release: v0.3.27 — per-call human_config, humanize timeout fix, scrollIntoViewIfNeeded

The humanize layer hardcoded timeout=2000ms for element lookups, causing
locator.click() and page.click() to fail instantly instead of retrying
for 30s like standard Playwright. Aligned all defaults to 30000ms across
Python sync/async, JS Playwright, and JS Puppeteer paths. Bumped the
outer retry sleep from 200ms to 500ms for DOM mutation settle time.

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
-      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f  # v6.3.0
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
           node-version: 20
       - name: Install and build

.github/workflows/publish.yml

@@ -32,7 +32,7 @@ jobs:
         run: |
           pip install -e ".[dev]" pytest pytest-asyncio
           pytest tests/ -v -m "not slow"
-      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f  # v6.3.0
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
           node-version: 22
       - name: JavaScript tests
@@ -71,7 +71,7 @@ jobs:
           pip install build
           python -m build
       - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e  # v1
+        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b  # v1
 
   publish-npm:
     needs: [test, validate-version]
@@ -81,7 +81,7 @@ jobs:
       id-token: write  # OIDC trusted publishing + provenance — no NPM_TOKEN needed
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
-      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f  # v6.3.0
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
           node-version: 24  # npm 11.11.0 native — no upgrade needed (Node 22.22.2 has broken npm)
           registry-url: 'https://registry.npmjs.org'
@@ -113,7 +113,7 @@ jobs:
           password: ${{ secrets.DOCKER_PAT }}
       - name: Build and push
         id: build
-        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294  # v7.0.0
+        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f  # v7.1.0
         with:
           context: .
           platforms: linux/amd64,linux/arm64

CHANGELOG.md

@@ -6,6 +6,41 @@ Changes are tagged: **[wrapper]** for Python/JS wrapper, **[binary]** for Chromi
 
 ---
 
+## [Unreleased]
+
+## [0.3.27] — 2026-05-06
+
+- **[wrapper]** Per-call `human_config` override — pass `human_config={...}` to individual humanized methods to override global HumanConfig on a per-action basis (#183)
+- **[wrapper]** Humanized `scrollIntoViewIfNeeded` — auto-scrolls with human-like behavior when `humanize=True` (#183)
+- **[wrapper]** Forward `timeout` parameter through humanized Playwright methods (#183)
+- **[wrapper]** Fix humanize timeout default to align with Playwright's 30s auto-retry instead of custom 2s (#172)
+
+## [0.3.26] — 2026-04-28
+
+- **[binary]** Windows x64 upgraded to Chromium 146.0.7680.177.4 — 57 source-level fingerprint patches (up from 33 on 145.0.7632.159.7), now matches Linux. Includes all binary improvements from 0.3.18–0.3.25: native SOCKS5 proxy with UDP ASSOCIATE (QUIC/HTTP3), WebRTC IP spoofing, proxy signal removal, CDP input stealth, storage quota normalization, WebAuthn/AAC/window position patches, WebGL and canvas consistency fixes, expanded GPU model database
+- **[wrapper]** Auto URL-encode SOCKS5 credentials containing special characters in string URLs (#157)
+- **[wrapper]** AWS Lambda integration example with cold-start hardening and handler-side retry orchestration (#177, thanks [@AlexTech314](https://github.com/AlexTech314))
+- **[docker]** Add emoji and extended font packages to resolve Kasada/Akamai canvas fingerprint blocks (#179)
+- **[docs]** Add Font Setup on Linux section to README (#179)
+- **[docs]** Add Deployment Integrations section to README (#177)
+- **[meta]** Bump GitHub Actions dependencies (#178)
+
+## [0.3.25] — 2026-04-16
+
+- **[wrapper]** Python: add `launch_context_async()` — async counterpart to `launch_context()`. Returns a BrowserContext with all kwargs forwarded to `browser.new_context()`, enabling `storage_state`, `permissions`, `extra_http_headers`, etc. without a persistent profile folder. Closes #141.
+- **[wrapper]** JS: `launchContext()` and `launchPersistentContext()` silently dropped unknown options (including `storageState`). New `contextOptions` escape hatch forwards arbitrary options to Playwright's `newContext()`.
+- **[wrapper]** Fix `humanConfig` TypeScript typing (#151).
+- **[binary]** New build 146.0.7680.177.3 for Linux x64 + arm64 — 57 source-level fingerprint patches (up from 49): WebAuthn capabilities, AAC audio encoder, and window position spoofing; WebGL and canvas format consistency fixes; SOCKS5 warm connection pool auth fix for credentialed proxies.
+- **[docs]** Add recommended anti-bot config and SOCKS5 tips to troubleshooting.
+
+## [0.3.24] — 2026-04-10
+
+- **[wrapper]** Native SOCKS5 proxy support — pass `proxy="socks5://user:pass@host:port"` directly. Credentials handled natively by Chrome. Works across all launch functions, Python + JS.
+- **[wrapper]** Add Playwright ElementHandle humanize support — `element_handle.click()`, `.fill()`, `.type()` now use human-like behavior when `humanize=True` (thanks [@evelaa123](https://github.com/evelaa123), #133)
+- **[binary]** Upgrade Linux arm64 to Chromium 146.0.7680.177.2 (49 patches) — now matches Linux x64
+- **[binary]** New build 146.0.7680.177.2 for both Linux platforms: native SOCKS5 proxy with UDP ASSOCIATE (QUIC/HTTP3 over SOCKS5)
+- **[docs]** Clarify humanize requires wrapper import over CDP (#126)
+
 ## [0.3.23] — 2026-04-09
 
 - **[wrapper]** Add full Puppeteer humanize support — human-like mouse, keyboard, and scroll behavior for `puppeteer-core` users (thanks [@evelaa123](https://github.com/evelaa123), #129)

Dockerfile

@@ -9,6 +9,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libxcb1 libxext6 libxshmfence1 \
     libglib2.0-0 libgtk-3-0 libpangocairo-1.0-0 libcairo-gobject2 \
     libgdk-pixbuf-2.0-0 libxss1 libxtst6 fonts-liberation \
+    fonts-noto-color-emoji fonts-unifont fonts-freefont-ttf \
+    fonts-ipafont-gothic fonts-wqy-zenhei fonts-tlwg-loma-otf \
     xvfb xdotool \
     curl ca-certificates \
     && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \

README.md

@@ -128,10 +128,13 @@ Open [http://localhost:8080](http://localhost:8080). Create a profile. Click **L
 
 ---
 
-## Latest: v0.3.22 (Chromium 146.0.7680.177.1)
+## Latest: v0.3.26 (Chromium 146.0.7680.177.4)
 
+- **`launch_context_async()`** — async counterpart to `launch_context()`. Forwards kwargs to `browser.new_context()` for `storage_state`, `permissions`, `extra_http_headers` without a persistent profile folder.
+- **JS `contextOptions` escape hatch** — forward arbitrary options (including `storageState`) to Playwright's `newContext()` from `launchContext()` / `launchPersistentContext()`.
+- **Native SOCKS5 proxy** — `proxy="socks5://user:pass@host:port"` works directly in all launch functions, Python + JS. QUIC/HTTP3 tunnels through SOCKS5 via UDP ASSOCIATE.
 - **Chromium 146 upgrade** — rebased all patches from 145.0.7632.x to 146.0.7680.177
-- **49 fingerprint patches** (Linux x64) — 1 new patch, all existing patches carried forward
+- **57 fingerprint patches** — additional detection-vector coverage (WebAuthn, AAC audio, window position) and WebGL/canvas consistency fixes
 - **WebRTC IP spoofing** — `--fingerprint-webrtc-ip=auto` resolves your proxy's exit IP and spoofs WebRTC ICE candidates. Auto-injected when using `geoip=True` (no extra network call)
 - **Proxy signal removal** — DNS/connect/SSL timing zeroed, proxy cache headers stripped, Proxy-Connection header leak removed
 - **`cloakserve` CDP multiplexer** — rewritten as a multi-connection CDP proxy with per-connection fingerprint seeds
@@ -315,6 +318,38 @@ page.goto("https://protected-site.com")
 context.close()
 ```
 
+Extra kwargs are forwarded to Playwright's `browser.new_context()` — use this for `storage_state`, `permissions`, `extra_http_headers`, etc. without needing a persistent profile folder:
+
+```python
+from cloakbrowser import launch_context
+
+# Restore a saved session (cookies, localStorage) from a JSON file
+context = launch_context(storage_state="state.json")
+page = context.new_page()
+page.goto("https://example.com")
+# Save state back for next run
+context.storage_state(path="state.json")
+context.close()
+```
+
+### `launch_context_async()`
+
+Async counterpart to `launch_context()`. Same signature and kwargs forwarding:
+
+```python
+import asyncio
+from cloakbrowser import launch_context_async
+
+async def main():
+    ctx = await launch_context_async(storage_state="state.json")
+    page = await ctx.new_page()
+    await page.goto("https://example.com")
+    await ctx.storage_state(path="state.json")
+    await ctx.close()
+
+asyncio.run(main())
+```
+
 ### `launch_persistent_context()`
 
 Same as `launch_context()`, but with a persistent user profile. Cookies, localStorage, and cache persist across sessions.
@@ -371,7 +406,7 @@ from cloakbrowser import binary_info, clear_cache, ensure_binary
 
 # Check binary installation status
 print(binary_info())
-# {'version': '146.0.7680.177.1', 'platform': 'linux-x64', 'installed': True, ...}
+# {'version': '146.0.7680.177.3', 'platform': 'linux-x64', 'installed': True, ...}
 
 # Force re-download
 clear_cache()
@@ -591,13 +626,39 @@ Supported by the binary but **not set by default** — pass via `args` to custom
 | `--fingerprint-locale` | Locale (e.g. `en-US`) |
 | `--fingerprint-storage-quota` | Override storage quota in MB — affects `storage.estimate()`, `storageBuckets`, and legacy webkit APIs. Auto-normalized when `--fingerprint` is set |
 | `--fingerprint-taskbar-height` | Override taskbar height (binary defaults: Win=48, Mac=95, Linux=0) |
-| `--fingerprint-fonts-dir` | Path to cross-platform font directory |
+| `--fingerprint-fonts-dir` | Path to directory containing target-platform fonts (see [Font Setup on Linux](#font-setup-on-linux)) |
 | `--fingerprint-webrtc-ip` | WebRTC ICE candidate IP replacement. Use `auto` to resolve from proxy exit IP (makes an HTTP call through the proxy), or pass an explicit IP. Auto-injected when `geoip=True` |
 | `--fingerprint-noise=false` | Disable noise injection (canvas, WebGL, audio, client rects) while keeping the deterministic fingerprint seed active |
 | `--enable-blink-features=FakeShadowRoot` | Access closed shadow DOM elements |
 
 > **Note:** All stealth tests were verified with the default fingerprint config above. Changing these flags may affect detection results — test your configuration before using in production.
 
+### Font Setup on Linux
+
+**Required for aggressive anti-bot sites (Kasada, Akamai).** These systems render emoji on a hidden canvas and hash the pixel output. Minimal Linux environments (Docker, cloud VMs) often lack emoji and extended fonts, producing hashes that don't match any real browser. Install standard font packages to fix this:
+
+```bash
+sudo apt install -y fonts-noto-color-emoji fonts-freefont-ttf fonts-unifont \
+    fonts-ipafont-gothic fonts-wqy-zenhei fonts-tlwg-loma-otf
+```
+
+The Docker image (`cloakhq/cloakbrowser`) ships with these pre-installed. If you run the binary directly on a Linux server or in a custom Docker image, install them manually.
+
+**Optional: Windows fonts for CreepJS font enumeration.** The packages above fix anti-bot canvas checks but won't improve your CreepJS font score. For that, you need actual Windows fonts (Segoe UI, Calibri, Bahnschrift, etc.) from a Windows machine's `C:\Windows\Fonts\` directory — `ttf-mscorefonts-installer` only has old XP-era fonts and isn't enough.
+
+```bash
+mkdir -p ~/.local/share/fonts/windows
+cp /path/to/windows/fonts/*.ttf ~/.local/share/fonts/windows/
+cp /path/to/windows/fonts/*.TTF ~/.local/share/fonts/windows/
+fc-cache -f  # mandatory for manually copied fonts
+```
+
+```python
+browser = launch(
+    args=["--fingerprint-fonts-dir=/home/user/.local/share/fonts/windows"],
+)
+```
+
 ### Examples
 
 ```python
@@ -668,15 +729,21 @@ browser = await launch_async(args=["--remote-debugging-port=9242"])
 | [undetected-chromedriver](https://github.com/ultrafunkamsterdam/undetected-chromedriver) | 12K | Python | [`undetected_chromedriver.py`](examples/integrations/undetected_chromedriver.py) |
 | [agent-browser](https://github.com/nichochar/agent-browser) | — | Shell | [`agent_browser.sh`](examples/integrations/agent_browser.sh) |
 
+### Deployment Integrations
+
+| Platform | Example |
+|----------|---------|
+| [AWS Lambda](https://aws.amazon.com/lambda/) | [`aws_lambda/`](examples/integrations/aws_lambda/) — One-shot scrapes in Lambda (container image) |
+
 ## Platforms
 
 | Platform | Chromium | Patches | Status |
 |---|---|---|---|
-| Linux x86_64 | 146 | 49 | ✅ Latest |
-| Linux arm64 (RPi, Graviton) | 145 | 48 | ✅ |
+| Linux x86_64 | 146 | 57 | ✅ Latest |
+| Linux arm64 (RPi, Graviton) | 146 | 57 | ✅ Latest |
 | macOS arm64 (Apple Silicon) | 145 | 26 | ✅ |
 | macOS x86_64 (Intel) | 145 | 26 | ✅ |
-| Windows x86_64 | 145 | 48 | ✅ |
+| Windows x86_64 | 146 | 57 | ✅ Latest |
 
 The wrapper auto-downloads the correct binary for your platform.
 
@@ -873,7 +940,47 @@ page.goto("https://heavily-protected-site.com")  # passes DataDome, etc.
 browser.close()
 ```
 
-This runs a real headed browser rendered on a virtual display — no physical monitor needed. Combined with a residential proxy, this passes even the most aggressive detection services. Datacenter IPs are often flagged by IP reputation regardless of browser fingerprint — a residential proxy makes the difference.
+This runs a real headed browser rendered on a virtual display — no physical monitor needed. Combine with the recommended config below for maximum stealth.
+
+---
+
+### Recommended config for anti-bot sites
+
+Most blocks come from missing one of these three things, not from browser fingerprint detection:
+
+```python
+browser = launch(
+    proxy="http://your-residential-proxy:port",  # residential IP — datacenter IPs get blocked by reputation alone
+    geoip=True,      # matches timezone + locale to proxy exit IP (without this: UTC + en-US = bot signal)
+    headless=False,   # headed mode — some sites detect headless even with C++ patches
+    humanize=True,    # human-like mouse, keyboard, scroll behavior
+)
+```
+
+```javascript
+const browser = await launch({
+    proxy: 'http://your-residential-proxy:port',
+    geoip: true,
+    headless: false,
+    humanize: true,
+});
+```
+
+If your proxy supports SOCKS5, use it for better compatibility — SOCKS5 tunnels raw TCP, avoiding HTTP CONNECT issues that some proxies have with HTTP/2:
+
+```python
+browser = launch(proxy="socks5://user:pass@proxy:1080", geoip=True, headless=False, humanize=True)
+```
+
+If you're still blocked after this, check the font setup below.
+
+---
+
+### Blocked on Kasada / Akamai sites despite correct config?
+
+On minimal Linux environments, missing font packages cause canvas emoji rendering to produce hashes that anti-bot systems don't recognize. This is the most common cause of blocks on aggressive sites after proxy, geoip, and headed mode are already set up correctly.
+
+Install the font packages listed in [Font Setup on Linux](#font-setup-on-linux) above.
 
 ---
 
@@ -909,7 +1016,7 @@ await ctx.close();
 ctx = await launchPersistentContext({ userDataDir: './profile' });
 ```
 
-For stateless/ephemeral use cases, `launch(args=["--disable-http2"])` forces HTTP/1.1 which bypasses the check. Only use this flag for sites that require it — most work fine with HTTP/2.
+For stateless/ephemeral use cases, `launch(args=["--disable-http2"])` forces HTTP/1.1 which bypasses the check. Only use this flag for sites that require it — most work fine with HTTP/2. If your proxy supports SOCKS5, use `proxy="socks5://user:pass@host:port"` instead — SOCKS5 bypasses HTTP CONNECT entirely.
 
 ---
 
@@ -1035,9 +1142,9 @@ A: Yes. Pass `proxy="http://user:pass@host:port"` or `proxy="socks5://user:pass@
 
 | Feature | Status |
 |---------|--------|
-| Linux x64 — Chromium 146 (49 patches) | ✅ Released |
+| Linux x64 — Chromium 146 (57 patches) | ✅ Released |
 | macOS arm64/x64 — Chromium 145 (26 patches) | ✅ Released |
-| Windows x64 — Chromium 145 (33 patches) | ✅ Released |
+| Windows x64 — Chromium 146 (57 patches) | ✅ Released |
 | JavaScript/Puppeteer + Playwright support | ✅ Released |
 | Fingerprint rotation per session | ✅ Released |
 | Built-in proxy rotation | 📋 Planned |
@@ -1059,7 +1166,7 @@ All releases are signed for supply chain verification.
 ```bash
 # Verify GPG signature (binary release tag)
 gpg --keyserver keyserver.ubuntu.com --recv-keys C60C0DDC9D0DE2DD
-git verify-tag chromium-v146.0.7680.177.1
+git verify-tag chromium-v146.0.7680.177.3
 
 # Verify GitHub binary attestation (Sigstore)
 gh attestation verify cloakbrowser-linux-x64.tar.gz --repo CloakHQ/cloakbrowser
@@ -1085,3 +1192,5 @@ Issues and PRs welcome. If something isn't working, [open an issue](https://gith
 - [@evelaa123](https://github.com/evelaa123) — humanize behavior, persistent contexts, Windows fix
 - [@yahooguntu](https://github.com/yahooguntu) — persistent contexts
 - [@kitiho](https://github.com/kitiho) — null viewport fix
+- [@eofreternal](https://github.com/eofreternal) — humanConfig type fix
+- [@AlexTech314](https://github.com/AlexTech314) — AWS Lambda integration

bin/cloakserve

@@ -36,7 +36,7 @@ import aiohttp
 import websockets
 from aiohttp import web
 
-from cloakbrowser.browser import build_args, maybe_resolve_geoip, _resolve_webrtc_args
+from cloakbrowser.browser import build_args, maybe_resolve_geoip, _resolve_webrtc_args, _normalize_socks_string_url
 from cloakbrowser.download import ensure_binary
 
 logging.basicConfig(
@@ -189,7 +189,7 @@ class ChromePool:
             if extra_args:
                 fp_extra.extend(extra_args)
             if proxy:
-                fp_extra.append(f"--proxy-server={proxy}")
+                fp_extra.append(f"--proxy-server={_normalize_socks_string_url(proxy)}")
 
             # WebRTC IP spoofing: resolve auto, inject geoip exit IP
             fp_extra = _resolve_webrtc_args(fp_extra, proxy)

cloakbrowser/__init__.py

@@ -11,7 +11,7 @@ Usage:
     browser.close()
 """
 
-from .browser import launch, launch_async, launch_context, launch_persistent_context, launch_persistent_context_async, ProxySettings, build_args, maybe_resolve_geoip
+from .browser import launch, launch_async, launch_context, launch_context_async, launch_persistent_context, launch_persistent_context_async, ProxySettings, build_args, maybe_resolve_geoip
 from .config import CHROMIUM_VERSION, get_default_stealth_args
 from .download import binary_info, check_for_update, clear_cache, ensure_binary
 from ._version import __version__
@@ -32,6 +32,7 @@ __all__ = [
     "launch",
     "launch_async",
     "launch_context",
+    "launch_context_async",
     "launch_persistent_context",
     "launch_persistent_context_async",
     "ensure_binary",

cloakbrowser/_version.py

@@ -1 +1 @@
-__version__ = "0.3.23"
+__version__ = "0.3.27"

cloakbrowser/browser.py

@@ -21,6 +21,7 @@ from urllib.parse import quote, unquote, urlparse, urlunparse
 
 from .config import DEFAULT_VIEWPORT, IGNORE_DEFAULT_ARGS, get_default_stealth_args
 from .download import ensure_binary
+from .human.config import HumanConfigOverrides, HumanPreset
 
 logger = logging.getLogger("cloakbrowser")
 
@@ -60,8 +61,8 @@ def launch(
     geoip: bool = False,
     backend: str | None = None,
     humanize: bool = False,
-    human_preset: str = "default",
-    human_config: dict | None = None,
+    human_preset: HumanPreset = "default",
+    human_config: HumanConfigOverrides | None = None,
     **kwargs: Any,
 ) -> Any:
     """Launch stealth Chromium browser. Returns a Playwright Browser object.
@@ -87,7 +88,7 @@ def launch(
             Override globally with CLOAKBROWSER_BACKEND env var.
         humanize: Enable human-like mouse, keyboard, scroll behavior (default False).
         human_preset: Humanize preset — 'default' or 'careful' (default 'default').
-        human_config: Custom humanize config dict to override preset values.
+        human_config: Custom humanize config mapping to override preset values.
         **kwargs: Passed directly to playwright.chromium.launch().
 
     Returns:
@@ -155,8 +156,8 @@ async def launch_async(  # noqa: C901
     geoip: bool = False,
     backend: str | None = None,
     humanize: bool = False,
-    human_preset: str = "default",
-    human_config: dict | None = None,
+    human_preset: HumanPreset = "default",
+    human_config: HumanConfigOverrides | None = None,
     **kwargs: Any,
 ) -> Any:
     """Async version of launch(). Returns a Playwright Browser object.
@@ -172,7 +173,7 @@ async def launch_async(  # noqa: C901
         backend: Playwright backend — 'playwright' (default) or 'patchright'.
         humanize: Enable human-like mouse, keyboard, scroll behavior (default False).
         human_preset: Humanize preset — 'default' or 'careful' (default 'default').
-        human_config: Custom humanize config dict to override preset values.
+        human_config: Custom humanize config mapping to override preset values.
         **kwargs: Passed directly to playwright.chromium.launch().
 
     Returns:
@@ -249,8 +250,8 @@ def launch_persistent_context(
     geoip: bool = False,
     backend: str | None = None,
     humanize: bool = False,
-    human_preset: str = "default",
-    human_config: dict | None = None,
+    human_preset: HumanPreset = "default",
+    human_config: HumanConfigOverrides | None = None,
     **kwargs: Any,
 ) -> Any:
     """Launch stealth browser with a persistent profile and return a BrowserContext.
@@ -279,7 +280,7 @@ def launch_persistent_context(
         backend: Playwright backend — 'playwright' (default) or 'patchright'.
         humanize: Enable human-like mouse, keyboard, scroll behavior (default False).
         human_preset: Humanize preset — 'default' or 'careful' (default 'default').
-        human_config: Custom humanize config dict to override preset values.
+        human_config: Custom humanize config mapping to override preset values.
         **kwargs: Passed directly to playwright.chromium.launch_persistent_context().
 
     Returns:
@@ -373,8 +374,8 @@ async def launch_persistent_context_async(
     geoip: bool = False,
     backend: str | None = None,
     humanize: bool = False,
-    human_preset: str = "default",
-    human_config: dict | None = None,
+    human_preset: HumanPreset = "default",
+    human_config: HumanConfigOverrides | None = None,
     **kwargs: Any,
 ) -> Any:
     """Async version of launch_persistent_context().
@@ -400,7 +401,7 @@ async def launch_persistent_context_async(
         backend: Playwright backend — 'playwright' (default) or 'patchright'.
         humanize: Enable human-like mouse, keyboard, scroll behavior (default False).
         human_preset: Humanize preset — 'default' or 'careful' (default 'default').
-        human_config: Custom humanize config dict to override preset values.
+        human_config: Custom humanize config mapping to override preset values.
         **kwargs: Passed directly to playwright.chromium.launch_persistent_context().
 
     Returns:
@@ -498,8 +499,8 @@ def launch_context(
     geoip: bool = False,
     backend: str | None = None,
     humanize: bool = False,
-    human_preset: str = "default",
-    human_config: dict | None = None,
+    human_preset: HumanPreset = "default",
+    human_config: HumanConfigOverrides | None = None,
     **kwargs: Any,
 ) -> Any:
     """Launch stealth browser and return a BrowserContext with common options pre-set.
@@ -523,7 +524,7 @@ def launch_context(
         backend: Playwright backend — 'playwright' (default) or 'patchright'.
         humanize: Enable human-like mouse, keyboard, scroll behavior (default False).
         human_preset: Humanize preset — 'default' or 'careful' (default 'default').
-        human_config: Custom humanize config dict to override preset values.
+        human_config: Custom humanize config mapping to override preset values.
         **kwargs: Passed to browser.new_context().
 
     Returns:
@@ -584,6 +585,130 @@ def launch_context(
     return context
 
 
+async def launch_context_async(
+    headless: bool = True,
+    proxy: str | ProxySettings | None = None,
+    args: list[str] | None = None,
+    stealth_args: bool = True,
+    user_agent: str | None = None,
+    viewport: dict | None = _VIEWPORT_UNSET,
+    locale: str | None = None,
+    timezone: str | None = None,
+    color_scheme: Literal["light", "dark", "no-preference"] | None = None,
+    geoip: bool = False,
+    backend: str | None = None,
+    humanize: bool = False,
+    human_preset: HumanPreset = "default",
+    human_config: HumanConfigOverrides | None = None,
+    **kwargs: Any,
+) -> Any:
+    """Async version of launch_context().
+
+    Launch stealth browser and return a BrowserContext with common options pre-set.
+    All extra kwargs are forwarded to ``browser.new_context()`` — use this for
+    ``storage_state``, ``permissions``, ``extra_http_headers``, etc. without needing
+    a persistent profile folder.
+
+    Args:
+        headless: Run in headless mode (default True).
+        proxy: Proxy URL string or Playwright proxy dict (see launch() for details).
+        args: Additional Chromium CLI arguments.
+        stealth_args: Include default stealth fingerprint args (default True).
+        user_agent: Custom user agent string.
+        viewport: Viewport size dict, e.g. {"width": 1920, "height": 1080}.
+            Pass None to disable viewport emulation (use OS window size).
+        locale: Browser locale, e.g. "en-US".
+        timezone: IANA timezone (e.g. 'America/New_York').
+        color_scheme: Color scheme preference — 'light', 'dark', or 'no-preference'.
+        geoip: Auto-detect timezone/locale from proxy IP (default False).
+        backend: Playwright backend — 'playwright' (default) or 'patchright'.
+        humanize: Enable human-like mouse, keyboard, scroll behavior (default False).
+        human_preset: Humanize preset — 'default' or 'careful' (default 'default').
+        human_config: Custom humanize config mapping to override preset values.
+        **kwargs: Passed to browser.new_context() — e.g. storage_state, permissions.
+
+    Returns:
+        Playwright BrowserContext object (async API).
+        Call ``await .close()`` when done — this also closes the underlying browser.
+
+    Example:
+        >>> import asyncio
+        >>> from cloakbrowser import launch_context_async
+        >>>
+        >>> async def main():
+        ...     # Load saved session (cookies, localStorage)
+        ...     ctx = await launch_context_async(
+        ...         headless=True,
+        ...         storage_state="state.json",
+        ...     )
+        ...     page = await ctx.new_page()
+        ...     await page.goto("https://example.com")
+        ...     # Save state back
+        ...     await ctx.storage_state(path="state.json")
+        ...     await ctx.close()
+        >>>
+        >>> asyncio.run(main())
+    """
+    timezone = _resolve_timezone(timezone, kwargs)
+
+    # Resolve geoip BEFORE launch_async() to avoid double-resolution and ensure
+    # resolved values flow to binary flags
+    timezone, locale, exit_ip = maybe_resolve_geoip(geoip, proxy, timezone, locale)
+    if exit_ip and not (args and any(a.startswith("--fingerprint-webrtc-ip") for a in args)):
+        args = list(args or [])
+        args.append(f"--fingerprint-webrtc-ip={exit_ip}")
+    # --fingerprint-timezone is process-wide (reads CommandLine in renderer),
+    # so it applies to ALL contexts, not just the default one.
+    # locale and timezone are set via binary flags only — no CDP emulation.
+    browser = await launch_async(headless=headless, proxy=proxy, args=args, stealth_args=stealth_args,
+                                 timezone=timezone, locale=locale, backend=backend)
+
+    context_kwargs: dict[str, Any] = {}
+    if user_agent:
+        context_kwargs["user_agent"] = user_agent
+    if viewport is _VIEWPORT_UNSET:
+        context_kwargs["viewport"] = DEFAULT_VIEWPORT
+    elif viewport is None:
+        context_kwargs["no_viewport"] = True
+    else:
+        context_kwargs["viewport"] = viewport
+    if color_scheme:
+        context_kwargs["color_scheme"] = color_scheme
+    context_kwargs.update(kwargs)
+
+    # Catch BaseException (not just Exception) so that asyncio.CancelledError
+    # triggers browser cleanup — otherwise the underlying Chromium process
+    # leaks when the awaiting task is cancelled.
+    try:
+        context = await browser.new_context(**context_kwargs)
+    except BaseException:
+        try:
+            await browser.close()
+        except BaseException:
+            pass
+        raise
+
+    # Patch close() to also close the browser (and its Playwright instance)
+    _original_ctx_close = context.close
+
+    async def _close_context_with_cleanup() -> None:
+        try:
+            await _original_ctx_close()
+        finally:
+            await browser.close()
+
+    context.close = _close_context_with_cleanup
+
+    # Human-like behavioral patching (async variant)
+    if humanize:
+        from .human import patch_context_async
+        from .human.config import resolve_config
+        cfg = resolve_config(human_preset, human_config)
+        patch_context_async(context, cfg)
+
+    return context
+
+
 # ---------------------------------------------------------------------------
 # Backend resolution
 # ---------------------------------------------------------------------------
@@ -635,6 +760,37 @@ def _ensure_proxy_scheme(proxy_url: str) -> str:
     return proxy_url if "://" in proxy_url else f"http://{proxy_url}"
 
 
+def _assemble_socks_url(
+    scheme: str,
+    host: str,
+    port: int | None,
+    enc_user: str,
+    enc_pass: str | None,
+    path: str = "",
+    params: str = "",
+    query: str = "",
+    fragment: str = "",
+) -> str:
+    """Build a SOCKS URL from already-percent-encoded credentials and host parts.
+
+    ``enc_pass is None`` means no password (no colon in userinfo). Empty string
+    means present-but-empty (colon preserved). This mirrors the distinction
+    urlparse makes between ``user@host`` and ``user:@host``.
+    """
+    if ":" in host:  # IPv6 literal — re-add brackets
+        host = f"[{host}]"
+    if enc_pass is not None:
+        userinfo = f"{enc_user}:{enc_pass}@"
+    elif enc_user:
+        userinfo = f"{enc_user}@"
+    else:
+        userinfo = ""
+    netloc = f"{userinfo}{host}"
+    if port is not None:
+        netloc += f":{port}"
+    return urlunparse((scheme, netloc, path, params, query, fragment))
+
+
 def _reconstruct_socks_url(proxy: ProxySettings) -> str:
     """Reconstruct a SOCKS5 URL with inline credentials from a Playwright proxy dict."""
     server = proxy.get("server", "")
@@ -643,16 +799,47 @@ def _reconstruct_socks_url(proxy: ProxySettings) -> str:
     if not username:
         return server
     parsed = urlparse(server)
-    creds = quote(username, safe="")
-    if password:
-        creds += f":{quote(password, safe='')}"
-    host = parsed.hostname or ""
-    if ":" in host:  # IPv6 literal — re-add brackets
-        host = f"[{host}]"
-    netloc = f"{creds}@{host}"
-    if parsed.port:
-        netloc += f":{parsed.port}"
-    return urlunparse((parsed.scheme, netloc, parsed.path, "", "", ""))
+    enc_user = quote(username, safe="")
+    # Dict convention: empty/missing password → no colon.
+    enc_pass = quote(password, safe="") if password else None
+    return _assemble_socks_url(
+        parsed.scheme, parsed.hostname or "", parsed.port,
+        enc_user, enc_pass, parsed.path,
+    )
+
+
+def _normalize_socks_string_url(url: str) -> str:
+    """Re-encode credentials in a SOCKS5 URL string so Chromium's parser doesn't
+    truncate them at special chars like '='. Idempotent: pre-encoded input stays
+    the same (decoded then re-encoded).
+
+    On unparseable input (invalid port, broken IPv6 literal, etc.) logs a
+    warning and returns the original string — preserves pre-fix pass-through
+    behavior so Chromium's own error handling kicks in.
+    """
+    try:
+        parsed = urlparse(url)
+        # Accessing .port raises ValueError on invalid port strings.
+        _ = parsed.port
+    except ValueError as e:
+        logger.warning("Malformed SOCKS5 proxy URL, passing through unchanged: %s", e)
+        return url
+    # Skip only if no credentials at all (username AND password both absent).
+    # urlparse returns None for absent components, "" for present-but-empty.
+    if parsed.username is None and parsed.password is None:
+        return url
+    enc_user = quote(unquote(parsed.username), safe="") if parsed.username else ""
+    # Preserve the colon separator when password component is present, even if
+    # empty, so `user:@host` stays `user:@host`.
+    if parsed.password is not None:
+        enc_pass = quote(unquote(parsed.password), safe="") if parsed.password else ""
+    else:
+        enc_pass = None
+    return _assemble_socks_url(
+        parsed.scheme, parsed.hostname or "", parsed.port,
+        enc_user, enc_pass,
+        parsed.path, parsed.params, parsed.query, parsed.fragment,
+    )
 
 
 def _extract_proxy_url(proxy: str | ProxySettings | None) -> str | None:
@@ -801,11 +988,14 @@ def build_args(
 
 
 def _parse_proxy_url(proxy: str) -> dict[str, Any]:
-    """Parse proxy URL, extracting credentials into separate Playwright fields.
+    """Parse HTTP(S) proxy URL, extracting credentials into separate Playwright fields.
 
     Handles: http://user:pass@host:port -> {server: "http://host:port", username: "user", password: "pass"}
-    Also handles: no credentials, URL-encoded special chars, socks5://, missing port,
+    Also handles: no credentials, URL-encoded special chars, missing port,
     and bare proxy strings without a scheme (e.g. 'user:pass@host:port' -> treated as http).
+
+    SOCKS5 URLs are NOT handled here — they take a dedicated path via
+    ``_normalize_socks_string_url`` in ``_resolve_proxy_config``.
     """
     # Bare format: "user:pass@host:port" — urlparse needs a scheme to extract credentials.
     normalized = proxy
@@ -863,8 +1053,9 @@ def _resolve_proxy_config(
             if proxy.get("bypass"):
                 extra_args.append(f"--proxy-bypass-list={proxy['bypass']}")
             return {}, extra_args
-        # String URL — pass as-is (Chrome handles user:pass@ in the URL)
-        return {}, [f"--proxy-server={proxy}"]
+        # String URL — re-encode creds to work around Chromium parser truncating
+        # passwords at '=' and other special chars (#157).
+        return {}, [f"--proxy-server={_normalize_socks_string_url(proxy)}"]
 
     # HTTP/HTTPS: use Playwright's proxy dict as before
     if isinstance(proxy, dict):

cloakbrowser/config.py

@@ -15,14 +15,14 @@ from ._version import __version__
 # CHROMIUM_VERSION is the latest across all platforms (for display/reference).
 # Use get_chromium_version() for the current platform's actual version.
 # ---------------------------------------------------------------------------
-CHROMIUM_VERSION = "146.0.7680.177.1"
+CHROMIUM_VERSION = "146.0.7680.177.3"
 
 PLATFORM_CHROMIUM_VERSIONS: dict[str, str] = {
-    "linux-x64": "146.0.7680.177.1",
-    "linux-arm64": "145.0.7632.159.7",
+    "linux-x64": "146.0.7680.177.3",
+    "linux-arm64": "146.0.7680.177.3",
     "darwin-arm64": "145.0.7632.109.2",
     "darwin-x64": "145.0.7632.109.2",
-    "windows-x64": "145.0.7632.159.7",
+    "windows-x64": "146.0.7680.177.4",
 }
 
 # ---------------------------------------------------------------------------

cloakbrowser/download.py

@@ -60,7 +60,6 @@ def _show_welcome() -> None:
     sys.stderr.write("  CloakBrowser — stealth Chromium for automation\n")
     sys.stderr.write("  https://github.com/CloakHQ/CloakBrowser\n")
     sys.stderr.write("\n")
-    sys.stderr.write("  Issues?  https://github.com/CloakHQ/CloakBrowser/issues\n")
     sys.stderr.write("  Donate?  https://ko-fi.com/cloakhq\n")
     sys.stderr.write("  Star us if CloakBrowser helps your project!\n")
     sys.stderr.write("\n")

cloakbrowser/human/__init__.py

@@ -18,23 +18,23 @@ import logging
 import sys
 from typing import Any, Optional
 
-from .config import HumanConfig, HumanPreset, resolve_config
+from .config import HumanConfig, HumanPreset, resolve_config, merge_config
 from .config import rand, rand_range, sleep_ms, async_sleep_ms
 from .mouse import RawMouse, human_move, human_click, click_target, human_idle
 from .keyboard import RawKeyboard, human_type
-from .scroll import scroll_to_element
+from .scroll import scroll_to_element, human_scroll_into_view
 from .mouse_async import AsyncRawMouse, async_human_move, async_human_click, async_human_idle
 from .keyboard_async import AsyncRawKeyboard, async_human_type
-from .scroll_async import async_scroll_to_element
+from .scroll_async import async_scroll_to_element, async_human_scroll_into_view
 
 _SELECT_ALL = "Meta+a" if sys.platform == "darwin" else "Control+a"
 
 __all__ = [
     "patch_browser", "patch_context", "patch_page",
     "patch_browser_async", "patch_context_async", "patch_page_async",
-    "HumanConfig", "resolve_config",
+    "HumanConfig", "resolve_config", "merge_config",
     "human_move", "human_click", "click_target", "human_idle",
-    "human_type", "scroll_to_element",
+    "human_type", "scroll_to_element", "human_scroll_into_view",
 ]
 
 logger = logging.getLogger("cloakbrowser.human")
@@ -356,6 +356,7 @@ def _patch_locator_class_sync():
     _orig_tap = Locator.tap
     _orig_drag_to = Locator.drag_to
     _orig_clear = Locator.clear
+    _orig_scroll_into_view = getattr(Locator, 'scroll_into_view_if_needed', None)
 
     def _get_selector(self):
         return self._impl_obj._selector
@@ -366,36 +367,76 @@ def _patch_locator_class_sync():
     def _get_cfg(self):
         return getattr(self.page, '_human_cfg', None)
 
+    # Forward only options the page-level humanized methods understand
+    # (timeout, human_config). Other Locator-specific kwargs (force, trial,
+    # noWaitAfter, ...) are silently dropped — the humanized path doesn't
+    # consult them.
+    def _forward_kwargs(kwargs):
+        out = {}
+        if "timeout" in kwargs:
+            out["timeout"] = kwargs["timeout"]
+        if "human_config" in kwargs:
+            out["human_config"] = kwargs["human_config"]
+        return out
+
     def _humanized_fill(self, value, **kwargs):
         if _is_humanized(self):
-            self.page.fill(_get_selector(self), value)
+            self.page.fill(_get_selector(self), value, **_forward_kwargs(kwargs))
         else:
             _orig_fill(self, value, **kwargs)
 
     def _humanized_click(self, **kwargs):
         if _is_humanized(self):
-            self.page.click(_get_selector(self))
+            self.page.click(_get_selector(self), **_forward_kwargs(kwargs))
         else:
             _orig_click(self, **kwargs)
 
     def _humanized_type(self, text, **kwargs):
         if _is_humanized(self):
-            self.page.type(_get_selector(self), text)
+            self.page.type(_get_selector(self), text, **_forward_kwargs(kwargs))
         else:
             _orig_type(self, text, **kwargs)
 
     def _humanized_dblclick(self, **kwargs):
         if _is_humanized(self):
-            self.page.dblclick(_get_selector(self))
+            self.page.dblclick(_get_selector(self), **_forward_kwargs(kwargs))
         else:
             _orig_dblclick(self, **kwargs)
 
     def _humanized_hover(self, **kwargs):
         if _is_humanized(self):
-            self.page.hover(_get_selector(self))
+            self.page.hover(_get_selector(self), **_forward_kwargs(kwargs))
         else:
             _orig_hover(self, **kwargs)
 
+    def _humanized_scroll_into_view_if_needed(self, **kwargs):
+        if _is_humanized(self):
+            page = self.page
+            cfg = _get_cfg(self)
+            cursor = getattr(page, '_human_cursor', None)
+            raw = getattr(page, '_human_raw_mouse', None)
+            call_cfg = merge_config(cfg, kwargs.get("human_config")) if cfg else None
+            if call_cfg is None or cursor is None or raw is None:
+                if _orig_scroll_into_view is not None:
+                    native_kwargs = {k: v for k, v in kwargs.items() if k != "human_config"}
+                    return _orig_scroll_into_view(self, **native_kwargs)
+                return
+            timeout = kwargs.get("timeout", 30000)
+            try:
+                _, nx, ny = human_scroll_into_view(
+                    page, raw,
+                    lambda: self.bounding_box(timeout=timeout),
+                    cursor.x, cursor.y, call_cfg,
+                )
+                cursor.x = nx
+                cursor.y = ny
+            except Exception:
+                if _orig_scroll_into_view is not None:
+                    native_kwargs = {k: v for k, v in kwargs.items() if k != "human_config"}
+                    _orig_scroll_into_view(self, **native_kwargs)
+        elif _orig_scroll_into_view is not None:
+            _orig_scroll_into_view(self, **kwargs)
+
     def _humanized_check(self, **kwargs):
         if _is_humanized(self):
             cfg = _get_cfg(self)
@@ -512,6 +553,8 @@ def _patch_locator_class_sync():
     Locator.tap = _humanized_tap
     Locator.drag_to = _humanized_drag_to
     Locator.clear = _humanized_clear
+    if _orig_scroll_into_view is not None:
+        Locator.scroll_into_view_if_needed = _humanized_scroll_into_view_if_needed
 
 
 # ============================================================================
@@ -544,6 +587,7 @@ def _patch_locator_class_async():
     _orig_tap = AsyncLocator.tap
     _orig_drag_to = AsyncLocator.drag_to
     _orig_clear = AsyncLocator.clear
+    _orig_scroll_into_view = getattr(AsyncLocator, 'scroll_into_view_if_needed', None)
 
     def _get_selector(self):
         return self._impl_obj._selector
@@ -554,36 +598,74 @@ def _patch_locator_class_async():
     def _get_cfg(self):
         return getattr(self.page, '_human_cfg', None)
 
+    def _forward_kwargs(kwargs):
+        out = {}
+        if "timeout" in kwargs:
+            out["timeout"] = kwargs["timeout"]
+        if "human_config" in kwargs:
+            out["human_config"] = kwargs["human_config"]
+        return out
+
     async def _humanized_fill(self, value, **kwargs):
         if _is_humanized(self):
-            await self.page.fill(_get_selector(self), value)
+            await self.page.fill(_get_selector(self), value, **_forward_kwargs(kwargs))
         else:
             await _orig_fill(self, value, **kwargs)
 
     async def _humanized_click(self, **kwargs):
         if _is_humanized(self):
-            await self.page.click(_get_selector(self))
+            await self.page.click(_get_selector(self), **_forward_kwargs(kwargs))
         else:
             await _orig_click(self, **kwargs)
 
     async def _humanized_type(self, text, **kwargs):
         if _is_humanized(self):
-            await self.page.type(_get_selector(self), text)
+            await self.page.type(_get_selector(self), text, **_forward_kwargs(kwargs))
         else:
             await _orig_type(self, text, **kwargs)
 
     async def _humanized_dblclick(self, **kwargs):
         if _is_humanized(self):
-            await self.page.dblclick(_get_selector(self))
+            await self.page.dblclick(_get_selector(self), **_forward_kwargs(kwargs))
         else:
             await _orig_dblclick(self, **kwargs)
 
     async def _humanized_hover(self, **kwargs):
         if _is_humanized(self):
-            await self.page.hover(_get_selector(self))
+            await self.page.hover(_get_selector(self), **_forward_kwargs(kwargs))
         else:
             await _orig_hover(self, **kwargs)
 
+    async def _humanized_scroll_into_view_if_needed(self, **kwargs):
+        if _is_humanized(self):
+            page = self.page
+            cfg = _get_cfg(self)
+            cursor = getattr(page, '_human_cursor', None)
+            raw = getattr(page, '_human_raw_mouse', None)
+            call_cfg = merge_config(cfg, kwargs.get("human_config")) if cfg else None
+            if call_cfg is None or cursor is None or raw is None:
+                if _orig_scroll_into_view is not None:
+                    native_kwargs = {k: v for k, v in kwargs.items() if k != "human_config"}
+                    await _orig_scroll_into_view(self, **native_kwargs)
+                return
+            timeout = kwargs.get("timeout", 30000)
+
+            async def _get_box():
+                return await self.bounding_box(timeout=timeout)
+            try:
+                _, nx, ny = await async_human_scroll_into_view(
+                    page, raw, _get_box,
+                    cursor.x, cursor.y, call_cfg,
+                )
+                cursor.x = nx
+                cursor.y = ny
+            except Exception:
+                if _orig_scroll_into_view is not None:
+                    native_kwargs = {k: v for k, v in kwargs.items() if k != "human_config"}
+                    await _orig_scroll_into_view(self, **native_kwargs)
+        elif _orig_scroll_into_view is not None:
+            await _orig_scroll_into_view(self, **kwargs)
+
     async def _humanized_check(self, **kwargs):
         if _is_humanized(self):
             cfg = _get_cfg(self)
@@ -708,6 +790,8 @@ def _patch_locator_class_async():
     AsyncLocator.tap = _humanized_tap
     AsyncLocator.drag_to = _humanized_drag_to
     AsyncLocator.clear = _humanized_clear
+    if _orig_scroll_into_view is not None:
+        AsyncLocator.scroll_into_view_if_needed = _humanized_scroll_into_view_if_needed
 
 
 # ============================================================================
@@ -738,6 +822,7 @@ def patch_page(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
 
     page._original = originals
     page._human_cfg = cfg
+    page._human_cursor = cursor
 
     # --- Stealth infrastructure ---
     try:
@@ -764,6 +849,8 @@ def patch_page(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
         "insert_text": originals.keyboard_insert_text,
     })()
 
+    page._human_raw_mouse = raw_mouse
+
     def _ensure_cursor_init() -> None:
         if not cursor.initialized:
             cursor.x = rand(cfg.initial_cursor_x[0], cfg.initial_cursor_x[1])
@@ -780,32 +867,36 @@ def patch_page(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
 
     def _human_click(selector: str, **kwargs: Any) -> None:
         _ensure_cursor_init()
-        if cfg.idle_between_actions:
-            human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        timeout = kwargs.get("timeout", 30000)
+        if call_cfg.idle_between_actions:
+            human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
         box, cx, cy = scroll_to_element(
-            page, raw_mouse, selector, cursor.x, cursor.y, cfg
+            page, raw_mouse, selector, cursor.x, cursor.y, call_cfg, timeout=timeout,
         )
         cursor.x = cx
         cursor.y = cy
         is_input = _is_input_element(page, selector)
-        target = click_target(box, is_input, cfg)
-        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        target = click_target(box, is_input, call_cfg)
+        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
-        human_click(raw_mouse, is_input, cfg)
+        human_click(raw_mouse, is_input, call_cfg)
 
     def _human_dblclick(selector: str, **kwargs: Any) -> None:
         _ensure_cursor_init()
-        if cfg.idle_between_actions:
-            human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        timeout = kwargs.get("timeout", 30000)
+        if call_cfg.idle_between_actions:
+            human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
         box, cx, cy = scroll_to_element(
-            page, raw_mouse, selector, cursor.x, cursor.y, cfg
+            page, raw_mouse, selector, cursor.x, cursor.y, call_cfg, timeout=timeout,
         )
         cursor.x = cx
         cursor.y = cy
         is_input = _is_input_element(page, selector)
-        target = click_target(box, is_input, cfg)
-        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        target = click_target(box, is_input, call_cfg)
+        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
         raw_mouse.down(click_count=2)
@@ -814,33 +905,39 @@ def patch_page(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
 
     def _human_hover(selector: str, **kwargs: Any) -> None:
         _ensure_cursor_init()
-        if cfg.idle_between_actions:
-            human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        timeout = kwargs.get("timeout", 30000)
+        if call_cfg.idle_between_actions:
+            human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
         box, cx, cy = scroll_to_element(
-            page, raw_mouse, selector, cursor.x, cursor.y, cfg
+            page, raw_mouse, selector, cursor.x, cursor.y, call_cfg, timeout=timeout,
         )
         cursor.x = cx
         cursor.y = cy
-        target = click_target(box, False, cfg)
-        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        target = click_target(box, False, call_cfg)
+        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
 
     def _human_type(selector: str, text: str, **kwargs: Any) -> None:
-        sleep_ms(rand_range(cfg.field_switch_delay))
-        _human_click(selector)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        sleep_ms(rand_range(call_cfg.field_switch_delay))
+        # Forward kwargs so timeout / human_config also propagate to the click
+        # that focuses the field.
+        _human_click(selector, **kwargs)
         sleep_ms(rand(100, 250))
-        human_type(page, raw_keyboard, text, cfg, cdp_session=cdp_session)
+        human_type(page, raw_keyboard, text, call_cfg, cdp_session=cdp_session)
 
     def _human_fill(selector: str, value: str, **kwargs: Any) -> None:
-        sleep_ms(rand_range(cfg.field_switch_delay))
-        _human_click(selector)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        sleep_ms(rand_range(call_cfg.field_switch_delay))
+        _human_click(selector, **kwargs)
         sleep_ms(rand(100, 250))
         originals.keyboard_press(_SELECT_ALL)
         sleep_ms(rand(30, 80))
         originals.keyboard_press("Backspace")
         sleep_ms(rand(50, 150))
-        human_type(page, raw_keyboard, value, cfg, cdp_session=cdp_session)
+        human_type(page, raw_keyboard, value, call_cfg, cdp_session=cdp_session)
 
     def _human_check(selector: str, **kwargs: Any) -> None:
         try:
@@ -958,6 +1055,7 @@ def _patch_single_element_handle_sync(
     _orig_set_checked = getattr(el, 'set_checked', None)
     _orig_tap = el.tap
     _orig_focus = el.focus
+    _orig_scroll_into_view = getattr(el, 'scroll_into_view_if_needed', None)
 
     # Nested selectors
     _orig_qs = el.query_selector
@@ -992,39 +1090,57 @@ def _patch_single_element_handle_sync(
     el.query_selector_all = _patched_qsa
     el.wait_for_selector = _patched_wfs
 
-    # Helper: move cursor to element
-    def _move_to_element():
+    # Helper: move cursor to element. Accepts optional ``call_cfg`` so per-call
+    # ``human_config`` overrides on type/fill carry through to mouse timing.
+    # Also scrolls into view first so off-screen elements don't silently fall
+    # back to the unpatched native method (#129, #172 follow-up).
+    def _move_to_element(call_cfg: HumanConfig = cfg):
         if not cursor.initialized:
-            cursor.x = rand(cfg.initial_cursor_x[0], cfg.initial_cursor_x[1])
-            cursor.y = rand(cfg.initial_cursor_y[0], cfg.initial_cursor_y[1])
+            cursor.x = rand(call_cfg.initial_cursor_x[0], call_cfg.initial_cursor_x[1])
+            cursor.y = rand(call_cfg.initial_cursor_y[0], call_cfg.initial_cursor_y[1])
             originals.mouse_move(cursor.x, cursor.y)
             cursor.initialized = True
 
+        # Scroll into view first — best-effort. If the element can't be located
+        # we fall through to bounding_box() below which returns None and lets
+        # the caller fall back to the original Playwright method.
+        try:
+            _, nx, ny = human_scroll_into_view(
+                page, raw_mouse, lambda: el.bounding_box(),
+                cursor.x, cursor.y, call_cfg,
+            )
+            cursor.x = nx
+            cursor.y = ny
+        except Exception:
+            pass
+
         box = el.bounding_box()
         if not box:
             return None
 
         is_inp = _is_input_element_handle_sync(el)
-        target = click_target(box, is_inp, cfg)
+        target = click_target(box, is_inp, call_cfg)
 
-        if cfg.idle_between_actions:
-            human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        if call_cfg.idle_between_actions:
+            human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
 
-        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
         return {'box': box, 'is_inp': is_inp}
 
     # --- el.click() ---
     def _human_el_click(**kwargs: Any) -> None:
-        info = _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = _move_to_element(call_cfg)
         if info is None:
             return _orig_click(**kwargs)
-        human_click(raw_mouse, info['is_inp'], cfg)
+        human_click(raw_mouse, info['is_inp'], call_cfg)
 
     # --- el.dblclick() ---
     def _human_el_dblclick(**kwargs: Any) -> None:
-        info = _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = _move_to_element(call_cfg)
         if info is None:
             return _orig_dblclick(**kwargs)
         raw_mouse.down(click_count=2)
@@ -1033,32 +1149,62 @@ def _patch_single_element_handle_sync(
 
     # --- el.hover() ---
     def _human_el_hover(**kwargs: Any) -> None:
-        info = _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = _move_to_element(call_cfg)
         if info is None:
             return _orig_hover(**kwargs)
         # Just move, no click
 
     # --- el.type() ---
     def _human_el_type(text: str, **kwargs: Any) -> None:
-        info = _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = _move_to_element(call_cfg)
         if info is None:
             return _orig_type(text, **kwargs)
-        human_click(raw_mouse, info['is_inp'], cfg)
+        human_click(raw_mouse, info['is_inp'], call_cfg)
         sleep_ms(rand(100, 250))
-        human_type(page, raw_keyboard, text, cfg, cdp_session=cdp_session)
+        human_type(page, raw_keyboard, text, call_cfg, cdp_session=cdp_session)
 
     # --- el.fill() ---
     def _human_el_fill(value: str, **kwargs: Any) -> None:
-        info = _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = _move_to_element(call_cfg)
         if info is None:
             return _orig_fill(value, **kwargs)
-        human_click(raw_mouse, info['is_inp'], cfg)
+        human_click(raw_mouse, info['is_inp'], call_cfg)
         sleep_ms(rand(100, 250))
         originals.keyboard_press(_SELECT_ALL)
         sleep_ms(rand(30, 80))
         originals.keyboard_press("Backspace")
         sleep_ms(rand(50, 150))
-        human_type(page, raw_keyboard, value, cfg, cdp_session=cdp_session)
+        human_type(page, raw_keyboard, value, call_cfg, cdp_session=cdp_session)
+
+    # --- el.scroll_into_view_if_needed() ---
+    # Playwright's native version snaps the page — a strong bot signal.
+    # Replace with the same accelerate → cruise → decelerate → overshoot wheel
+    # sequence used by page.click(). Falls back to the native method if the
+    # element is detached or scrolling fails.
+    def _human_el_scroll_into_view_if_needed(**kwargs: Any) -> None:
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        if not cursor.initialized:
+            cursor.x = rand(call_cfg.initial_cursor_x[0], call_cfg.initial_cursor_x[1])
+            cursor.y = rand(call_cfg.initial_cursor_y[0], call_cfg.initial_cursor_y[1])
+            try:
+                originals.mouse_move(cursor.x, cursor.y)
+                cursor.initialized = True
+            except Exception:
+                pass
+        try:
+            _, nx, ny = human_scroll_into_view(
+                page, raw_mouse, lambda: el.bounding_box(),
+                cursor.x, cursor.y, call_cfg,
+            )
+            cursor.x = nx
+            cursor.y = ny
+        except Exception:
+            if _orig_scroll_into_view is not None:
+                native_kwargs = {k: v for k, v in kwargs.items() if k != "human_config"}
+                _orig_scroll_into_view(**native_kwargs)
 
     # --- el.press() ---
     def _human_el_press(key: str, **kwargs: Any) -> None:
@@ -1142,6 +1288,8 @@ def _patch_single_element_handle_sync(
         el.set_checked = _human_el_set_checked
     el.tap = _human_el_tap
     el.focus = _human_el_focus
+    if _orig_scroll_into_view is not None:
+        el.scroll_into_view_if_needed = _human_el_scroll_into_view_if_needed
 
 
 def _patch_page_element_handles_sync(
@@ -1425,6 +1573,7 @@ def patch_page_async(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
 
     page._original = originals
     page._human_cfg = cfg
+    page._human_cursor = cursor
 
     # --- Stealth infrastructure (lazy-initialized, async) ---
     stealth = _AsyncIsolatedWorld(page)
@@ -1454,6 +1603,8 @@ def patch_page_async(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
         "insert_text": originals.keyboard_insert_text,
     })()
 
+    page._human_raw_mouse = raw_mouse
+
     async def _ensure_cursor_init() -> None:
         if not cursor.initialized:
             cursor.x = rand(cfg.initial_cursor_x[0], cfg.initial_cursor_x[1])
@@ -1469,32 +1620,36 @@ def patch_page_async(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
 
     async def _human_click(selector: str, **kwargs: Any) -> None:
         await _ensure_cursor_init()
-        if cfg.idle_between_actions:
-            await async_human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        timeout = kwargs.get("timeout", 30000)
+        if call_cfg.idle_between_actions:
+            await async_human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
         box, cx, cy = await async_scroll_to_element(
-            page, raw_mouse, selector, cursor.x, cursor.y, cfg
+            page, raw_mouse, selector, cursor.x, cursor.y, call_cfg, timeout=timeout,
         )
         cursor.x = cx
         cursor.y = cy
         is_input = await _async_is_input_element(page, selector)
-        target = click_target(box, is_input, cfg)
-        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        target = click_target(box, is_input, call_cfg)
+        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
-        await async_human_click(raw_mouse, is_input, cfg)
+        await async_human_click(raw_mouse, is_input, call_cfg)
 
     async def _human_dblclick(selector: str, **kwargs: Any) -> None:
         await _ensure_cursor_init()
-        if cfg.idle_between_actions:
-            await async_human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        timeout = kwargs.get("timeout", 30000)
+        if call_cfg.idle_between_actions:
+            await async_human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
         box, cx, cy = await async_scroll_to_element(
-            page, raw_mouse, selector, cursor.x, cursor.y, cfg
+            page, raw_mouse, selector, cursor.x, cursor.y, call_cfg, timeout=timeout,
         )
         cursor.x = cx
         cursor.y = cy
         is_input = await _async_is_input_element(page, selector)
-        target = click_target(box, is_input, cfg)
-        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        target = click_target(box, is_input, call_cfg)
+        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
         await raw_mouse.down(click_count=2)
@@ -1503,35 +1658,39 @@ def patch_page_async(page: Any, cfg: HumanConfig, cursor: _CursorState) -> None:
 
     async def _human_hover(selector: str, **kwargs: Any) -> None:
         await _ensure_cursor_init()
-        if cfg.idle_between_actions:
-            await async_human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        timeout = kwargs.get("timeout", 30000)
+        if call_cfg.idle_between_actions:
+            await async_human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
         box, cx, cy = await async_scroll_to_element(
-            page, raw_mouse, selector, cursor.x, cursor.y, cfg
+            page, raw_mouse, selector, cursor.x, cursor.y, call_cfg, timeout=timeout,
         )
         cursor.x = cx
         cursor.y = cy
-        target = click_target(box, False, cfg)
-        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        target = click_target(box, False, call_cfg)
+        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
 
     async def _human_type(selector: str, text: str, **kwargs: Any) -> None:
-        await async_sleep_ms(rand_range(cfg.field_switch_delay))
-        await _human_click(selector)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        await async_sleep_ms(rand_range(call_cfg.field_switch_delay))
+        await _human_click(selector, **kwargs)
         await async_sleep_ms(rand(100, 250))
         cdp = await _ensure_cdp()
-        await async_human_type(page, raw_keyboard, text, cfg, cdp_session=cdp)
+        await async_human_type(page, raw_keyboard, text, call_cfg, cdp_session=cdp)
 
     async def _human_fill(selector: str, value: str, **kwargs: Any) -> None:
-        await async_sleep_ms(rand_range(cfg.field_switch_delay))
-        await _human_click(selector)
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        await async_sleep_ms(rand_range(call_cfg.field_switch_delay))
+        await _human_click(selector, **kwargs)
         await async_sleep_ms(rand(100, 250))
         await originals.keyboard_press(_SELECT_ALL)
         await async_sleep_ms(rand(30, 80))
         await originals.keyboard_press("Backspace")
         await async_sleep_ms(rand(50, 150))
         cdp = await _ensure_cdp()
-        await async_human_type(page, raw_keyboard, value, cfg, cdp_session=cdp)
+        await async_human_type(page, raw_keyboard, value, call_cfg, cdp_session=cdp)
 
     async def _human_check(selector: str, **kwargs: Any) -> None:
         try:
@@ -1637,6 +1796,7 @@ def _patch_single_element_handle_async(
     _orig_set_checked = getattr(el, 'set_checked', None)
     _orig_tap = el.tap
     _orig_focus = el.focus
+    _orig_scroll_into_view = getattr(el, 'scroll_into_view_if_needed', None)
 
     # Nested selectors
     _orig_qs = el.query_selector
@@ -1671,25 +1831,41 @@ def _patch_single_element_handle_async(
     el.query_selector_all = _patched_qsa
     el.wait_for_selector = _patched_wfs
 
-    # Helper: move cursor to element (async)
-    async def _move_to_element():
+    # Helper: move cursor to element (async). Accepts optional ``call_cfg`` so
+    # per-call ``human_config`` overrides on type/fill carry through to mouse
+    # timing. Also scrolls into view first so off-screen elements work
+    # (#129, #172 follow-up).
+    async def _move_to_element(call_cfg: HumanConfig = cfg):
         if not cursor.initialized:
-            cursor.x = rand(cfg.initial_cursor_x[0], cfg.initial_cursor_x[1])
-            cursor.y = rand(cfg.initial_cursor_y[0], cfg.initial_cursor_y[1])
+            cursor.x = rand(call_cfg.initial_cursor_x[0], call_cfg.initial_cursor_x[1])
+            cursor.y = rand(call_cfg.initial_cursor_y[0], call_cfg.initial_cursor_y[1])
             await originals.mouse_move(cursor.x, cursor.y)
             cursor.initialized = True
 
+        # Scroll into view first — best-effort.
+        async def _get_box():
+            return await el.bounding_box()
+        try:
+            _, nx, ny = await async_human_scroll_into_view(
+                page, raw_mouse, _get_box,
+                cursor.x, cursor.y, call_cfg,
+            )
+            cursor.x = nx
+            cursor.y = ny
+        except Exception:
+            pass
+
         box = await el.bounding_box()
         if not box:
             return None
 
         is_inp = await _async_is_input_element_handle(el)
-        target = click_target(box, is_inp, cfg)
+        target = click_target(box, is_inp, call_cfg)
 
-        if cfg.idle_between_actions:
-            await async_human_idle(raw_mouse, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg)
+        if call_cfg.idle_between_actions:
+            await async_human_idle(raw_mouse, rand(call_cfg.idle_between_duration[0], call_cfg.idle_between_duration[1]), cursor.x, cursor.y, call_cfg)
 
-        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, cfg)
+        await async_human_move(raw_mouse, cursor.x, cursor.y, target.x, target.y, call_cfg)
         cursor.x = target.x
         cursor.y = target.y
         return {'box': box, 'is_inp': is_inp}
@@ -1704,14 +1880,16 @@ def _patch_single_element_handle_async(
 
     # --- el.click() ---
     async def _human_el_click(**kwargs: Any) -> None:
-        info = await _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = await _move_to_element(call_cfg)
         if info is None:
             return await _orig_click(**kwargs)
-        await async_human_click(raw_mouse, info['is_inp'], cfg)
+        await async_human_click(raw_mouse, info['is_inp'], call_cfg)
 
     # --- el.dblclick() ---
     async def _human_el_dblclick(**kwargs: Any) -> None:
-        info = await _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = await _move_to_element(call_cfg)
         if info is None:
             return await _orig_dblclick(**kwargs)
         await raw_mouse.down(click_count=2)
@@ -1720,33 +1898,62 @@ def _patch_single_element_handle_async(
 
     # --- el.hover() ---
     async def _human_el_hover(**kwargs: Any) -> None:
-        info = await _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = await _move_to_element(call_cfg)
         if info is None:
             return await _orig_hover(**kwargs)
 
     # --- el.type() ---
     async def _human_el_type(text: str, **kwargs: Any) -> None:
-        info = await _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = await _move_to_element(call_cfg)
         if info is None:
             return await _orig_type(text, **kwargs)
-        await async_human_click(raw_mouse, info['is_inp'], cfg)
+        await async_human_click(raw_mouse, info['is_inp'], call_cfg)
         await async_sleep_ms(rand(100, 250))
         cdp = await _get_cdp()
-        await async_human_type(page, raw_keyboard, text, cfg, cdp_session=cdp)
+        await async_human_type(page, raw_keyboard, text, call_cfg, cdp_session=cdp)
 
     # --- el.fill() ---
     async def _human_el_fill(value: str, **kwargs: Any) -> None:
-        info = await _move_to_element()
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        info = await _move_to_element(call_cfg)
         if info is None:
             return await _orig_fill(value, **kwargs)
-        await async_human_click(raw_mouse, info['is_inp'], cfg)
+        await async_human_click(raw_mouse, info['is_inp'], call_cfg)
         await async_sleep_ms(rand(100, 250))
         await originals.keyboard_press(_SELECT_ALL)
         await async_sleep_ms(rand(30, 80))
         await originals.keyboard_press("Backspace")
         await async_sleep_ms(rand(50, 150))
         cdp = await _get_cdp()
-        await async_human_type(page, raw_keyboard, value, cfg, cdp_session=cdp)
+        await async_human_type(page, raw_keyboard, value, call_cfg, cdp_session=cdp)
+
+    # --- el.scroll_into_view_if_needed() ---
+    async def _human_el_scroll_into_view_if_needed(**kwargs: Any) -> None:
+        call_cfg = merge_config(cfg, kwargs.get("human_config"))
+        if not cursor.initialized:
+            cursor.x = rand(call_cfg.initial_cursor_x[0], call_cfg.initial_cursor_x[1])
+            cursor.y = rand(call_cfg.initial_cursor_y[0], call_cfg.initial_cursor_y[1])
+            try:
+                await originals.mouse_move(cursor.x, cursor.y)
+                cursor.initialized = True
+            except Exception:
+                pass
+
+        async def _get_box():
+            return await el.bounding_box()
+        try:
+            _, nx, ny = await async_human_scroll_into_view(
+                page, raw_mouse, _get_box,
+                cursor.x, cursor.y, call_cfg,
+            )
+            cursor.x = nx
+            cursor.y = ny
+        except Exception:
+            if _orig_scroll_into_view is not None:
+                native_kwargs = {k: v for k, v in kwargs.items() if k != "human_config"}
+                await _orig_scroll_into_view(**native_kwargs)
 
     # --- el.press() ---
     async def _human_el_press(key: str, **kwargs: Any) -> None:
@@ -1830,6 +2037,8 @@ def _patch_single_element_handle_async(
         el.set_checked = _human_el_set_checked
     el.tap = _human_el_tap
     el.focus = _human_el_focus
+    if _orig_scroll_into_view is not None:
+        el.scroll_into_view_if_needed = _human_el_scroll_into_view_if_needed
 
 
 def _patch_page_element_handles_async(

cloakbrowser/human/config.py

@@ -10,7 +10,7 @@ import math
 import random
 import time
 from dataclasses import dataclass, field
-from typing import Literal, Tuple
+from typing import Literal, Tuple, TypedDict
 
 # ---------------------------------------------------------------------------
 # Type alias
@@ -20,6 +20,50 @@ Range = Tuple[float, float]
 HumanPreset = Literal["default", "careful"]
 
 
+class HumanConfigOverrides(TypedDict, total=False):
+    typing_delay: float
+    typing_delay_spread: float
+    typing_pause_chance: float
+    typing_pause_range: Range
+    shift_down_delay: Range
+    shift_up_delay: Range
+    key_hold: Range
+    field_switch_delay: Range
+    mistype_chance: float
+    mistype_delay_notice: Range
+    mistype_delay_correct: Range
+    mouse_steps_divisor: float
+    mouse_min_steps: int
+    mouse_max_steps: int
+    mouse_wobble_max: float
+    mouse_overshoot_chance: float
+    mouse_overshoot_px: Range
+    mouse_burst_size: Range
+    mouse_burst_pause: Range
+    click_aim_delay_input: Range
+    click_aim_delay_button: Range
+    click_hold_input: Range
+    click_hold_button: Range
+    click_input_x_range: Range
+    idle_drift_px: float
+    idle_pause_range: Range
+    scroll_delta_base: Range
+    scroll_delta_variance: float
+    scroll_pause_fast: Range
+    scroll_pause_slow: Range
+    scroll_accel_steps: Range
+    scroll_decel_steps: Range
+    scroll_overshoot_chance: float
+    scroll_overshoot_px: Range
+    scroll_settle_delay: Range
+    scroll_target_zone: Range
+    scroll_pre_move_delay: Range
+    initial_cursor_x: Range
+    initial_cursor_y: Range
+    idle_between_actions: bool
+    idle_between_duration: Range
+
+
 # ---------------------------------------------------------------------------
 # Configuration dataclass
 # ---------------------------------------------------------------------------
@@ -130,13 +174,13 @@ _PRESETS: dict[str, HumanConfig] = {
 
 def resolve_config(
     preset: HumanPreset = "default",
-    overrides: dict | None = None,
+    overrides: HumanConfigOverrides | None = None,
 ) -> HumanConfig:
     """Resolve a preset name + optional overrides into a full HumanConfig.
 
     Args:
         preset: 'default' or 'careful'.
-        overrides: Dict of field names to override values.
+        overrides: Typed mapping of HumanConfig field names to override values.
 
     Returns:
         A new HumanConfig instance.
@@ -157,6 +201,25 @@ def resolve_config(
     return HumanConfig(**merged)
 
 
+def merge_config(base: HumanConfig, overrides: dict | None) -> HumanConfig:
+    """Merge ``overrides`` (a dict of HumanConfig field names → values) on top of
+    ``base``. Returns a new HumanConfig — ``base`` is never mutated.
+
+    Used by per-call overrides like ``page.type(sel, text, human_config={...})``
+    so the same page can use different timings for different inputs without
+    re-patching.
+
+    Unknown keys are ignored silently to keep this forgiving for callers.
+    """
+    if not overrides:
+        return base
+    merged = {k: getattr(base, k) for k in base.__dataclass_fields__}
+    for k, v in overrides.items():
+        if k in base.__dataclass_fields__:
+            merged[k] = v
+    return HumanConfig(**merged)
+
+
 # ---------------------------------------------------------------------------
 # Utility functions
 # ---------------------------------------------------------------------------

cloakbrowser/human/scroll.py

@@ -4,7 +4,7 @@ from __future__ import annotations
 
 import math
 import random
-from typing import Any, Optional, Tuple
+from typing import Any, Callable, Optional, Tuple
 
 from .config import HumanConfig, rand, rand_range, rand_int_range, sleep_ms
 from .mouse import RawMouse, human_move
@@ -18,10 +18,15 @@ def _is_in_viewport(bounds: dict, viewport_height: int, cfg: HumanConfig) -> boo
     return top_edge >= zone_top and bottom_edge <= zone_bottom
 
 
-def _get_element_box(page: Any, selector: str) -> Optional[dict]:
+def _get_element_box(page: Any, selector: str, timeout: float = 30000) -> Optional[dict]:
+    """Locate ``selector`` and return its bounding box.
+
+    The ``timeout`` is forwarded to Playwright's ``boundingBox(timeout=...)``
+    so callers can extend it for slow-loading elements (#172).
+    """
     try:
         el = page.locator(selector).first
-        return el.bounding_box(timeout=2000)
+        return el.bounding_box(timeout=timeout)
     except Exception:
         return None
 
@@ -39,13 +44,21 @@ def _smooth_wheel(raw: RawMouse, delta: int, cfg: HumanConfig) -> None:
         sleep_ms(rand(8, 20))
 
 
-def scroll_to_element(
+def human_scroll_into_view(
     page: Any,
     raw: RawMouse,
-    selector: str,
+    get_box: Callable[[], Optional[dict]],
     cursor_x: float, cursor_y: float,
     cfg: HumanConfig,
 ) -> Tuple[dict, float, float]:
+    """Humanized scrolling that uses an arbitrary ``get_box`` callable
+    instead of a CSS selector.
+
+    Used both by ``scroll_to_element`` (selector-based) and by
+    ``ElementHandle.scroll_into_view_if_needed`` / ``Locator.scroll_into_view_if_needed``
+    (handle-based) so the same accelerate \u2192 cruise \u2192 decelerate \u2192 overshoot
+    behavior runs everywhere.
+    """
     viewport = page.viewport_size
     if not viewport:
         raise RuntimeError("Viewport size not available")
@@ -53,12 +66,9 @@ def scroll_to_element(
     viewport_height = viewport["height"]
     viewport_width = viewport["width"]
 
-    box = _get_element_box(page, selector)
+    box = get_box()
     if box is None:
-        sleep_ms(200)
-        box = _get_element_box(page, selector)
-        if box is None:
-            raise RuntimeError(f"Element not found: {selector}")
+        raise RuntimeError("Element not found while scrolling into view")
 
     if _is_in_viewport(box, viewport_height, cfg):
         return box, cursor_x, cursor_y
@@ -105,7 +115,7 @@ def scroll_to_element(
 
         # Check visibility every 3 steps
         if i % 3 == 2 or i == total_clicks - 1:
-            box = _get_element_box(page, selector)
+            box = get_box()
             if box and _is_in_viewport(box, viewport_height, cfg):
                 break
         if scrolled >= abs_distance * 1.1:
@@ -125,8 +135,29 @@ def scroll_to_element(
     # Settle
     sleep_ms(rand_range(cfg.scroll_settle_delay))
 
-    box = _get_element_box(page, selector)
+    box = get_box()
     if box is None:
-        raise RuntimeError(f"Element lost after scrolling: {selector}")
+        raise RuntimeError("Element lost after scrolling into view")
 
     return box, cursor_x, cursor_y
+
+
+def scroll_to_element(
+    page: Any,
+    raw: RawMouse,
+    selector: str,
+    cursor_x: float, cursor_y: float,
+    cfg: HumanConfig,
+    timeout: float = 30000,
+) -> Tuple[dict, float, float]:
+    """Selector-based humanized scroll.
+
+    ``timeout`` is forwarded to ``locator.bounding_box(timeout=...)`` so callers
+    such as ``page.click('#x', timeout=5000)`` can wait longer for slow elements
+    (#172). Default matches Playwright's 30000ms when not specified.
+    """
+    return human_scroll_into_view(
+        page, raw,
+        lambda: _get_element_box(page, selector, timeout),
+        cursor_x, cursor_y, cfg,
+    )

cloakbrowser/human/scroll_async.py

@@ -8,17 +8,22 @@ from __future__ import annotations
 
 import math
 import random
-from typing import Any, Optional, Tuple
+from typing import Any, Awaitable, Callable, Optional, Tuple
 
 from .config import HumanConfig, rand, rand_range, rand_int_range, async_sleep_ms
 from .mouse_async import AsyncRawMouse, async_human_move
 from .scroll import _is_in_viewport
 
 
-async def _get_element_box_async(page: Any, selector: str) -> Optional[dict]:
+async def _get_element_box_async(
+    page: Any, selector: str, timeout: float = 30000,
+) -> Optional[dict]:
+    """Async variant. ``timeout`` is forwarded to Playwright's
+    ``boundingBox(timeout=...)`` so callers can extend it for slow-loading
+    elements (#172)."""
     try:
         el = page.locator(selector).first
-        return await el.bounding_box(timeout=2000)
+        return await el.bounding_box(timeout=timeout)
     except Exception:
         return None
 
@@ -36,13 +41,20 @@ async def _async_smooth_wheel(raw: AsyncRawMouse, delta: int, cfg: HumanConfig)
         await async_sleep_ms(rand(8, 20))
 
 
-async def async_scroll_to_element(
+async def async_human_scroll_into_view(
     page: Any,
     raw: AsyncRawMouse,
-    selector: str,
+    get_box: Callable[[], Awaitable[Optional[dict]]],
     cursor_x: float, cursor_y: float,
     cfg: HumanConfig,
 ) -> Tuple[dict, float, float]:
+    """Humanized scrolling using an arbitrary async ``get_box`` callable.
+
+    Used by both ``async_scroll_to_element`` (selector-based) and the
+    ElementHandle / Locator ``scroll_into_view_if_needed`` patches so all
+    scrolling paths share the same accelerate \u2192 cruise \u2192 decelerate
+    \u2192 overshoot behavior.
+    """
     viewport = page.viewport_size
     if not viewport:
         raise RuntimeError("Viewport size not available")
@@ -50,12 +62,9 @@ async def async_scroll_to_element(
     viewport_height = viewport["height"]
     viewport_width = viewport["width"]
 
-    box = await _get_element_box_async(page, selector)
+    box = await get_box()
     if box is None:
-        await async_sleep_ms(200)
-        box = await _get_element_box_async(page, selector)
-        if box is None:
-            raise RuntimeError(f"Element not found: {selector}")
+        raise RuntimeError("Element not found while scrolling into view")
 
     if _is_in_viewport(box, viewport_height, cfg):
         return box, cursor_x, cursor_y
@@ -102,7 +111,7 @@ async def async_scroll_to_element(
 
         # Check visibility every 3 steps
         if i % 3 == 2 or i == total_clicks - 1:
-            box = await _get_element_box_async(page, selector)
+            box = await get_box()
             if box and _is_in_viewport(box, viewport_height, cfg):
                 break
         if scrolled >= abs_distance * 1.1:
@@ -122,8 +131,29 @@ async def async_scroll_to_element(
     # Settle
     await async_sleep_ms(rand_range(cfg.scroll_settle_delay))
 
-    box = await _get_element_box_async(page, selector)
+    box = await get_box()
     if box is None:
-        raise RuntimeError(f"Element lost after scrolling: {selector}")
+        raise RuntimeError("Element lost after scrolling into view")
 
     return box, cursor_x, cursor_y
+
+
+async def async_scroll_to_element(
+    page: Any,
+    raw: AsyncRawMouse,
+    selector: str,
+    cursor_x: float, cursor_y: float,
+    cfg: HumanConfig,
+    timeout: float = 30000,
+) -> Tuple[dict, float, float]:
+    """Selector-based humanized scroll (async).
+
+    ``timeout`` is forwarded to ``locator.bounding_box(timeout=...)`` so callers
+    such as ``page.click('#x', timeout=5000)`` can wait longer for slow elements
+    (#172). Default matches Playwright's 30000ms when not specified.
+    """
+    async def _get():
+        return await _get_element_box_async(page, selector, timeout)
+    return await async_human_scroll_into_view(
+        page, raw, _get, cursor_x, cursor_y, cfg,
+    )

examples/integrations/aws_lambda/Dockerfile

@@ -0,0 +1,79 @@
+# CloakBrowser on AWS Lambda — derived from the official CloakHQ image.
+#
+# `FROM cloakhq/cloakbrowser:<tag>` is an official distribution channel under
+# the CloakBrowser Binary License — pulling it isn't redistribution. We just
+# layer Lambda glue on top: the Lambda Runtime Interface Client (awslambdaric),
+# the Lambda Runtime Interface Emulator (for local `docker run` testing), the
+# dual-mode entrypoint, and the handler module.
+#
+# This directory is self-contained — copy/clone it anywhere and build from
+# inside it. No files outside this directory are referenced.
+#
+# ─── Lambda invocation (default CMD) ──────────────────────────────────────────
+#   # From inside this directory:
+#   docker buildx build --platform linux/arm64 -t cloakbrowser-lambda:arm64 --load .
+#
+#   # Or from a parent dir, pointing at this directory as the build context:
+#   docker buildx build --platform linux/arm64 \
+#     -f path/to/aws_lambda/Dockerfile -t cloakbrowser-lambda:arm64 --load \
+#     path/to/aws_lambda
+#
+#   docker run --rm -p 9000:8080 cloakbrowser-lambda:arm64
+#   curl -XPOST http://localhost:9000/2015-03-31/functions/function/invocations \
+#     -d '{"url":"https://example.com"}'
+#
+# ─── Same as the canonical CloakHQ image (CMD overridden) ─────────────────────
+#   docker run --rm -it cloakbrowser-lambda:arm64 python                          # REPL
+#   docker run --rm cloakbrowser-lambda:arm64 python examples/basic.py            # examples
+#   docker run --rm -p 9222:9222 cloakbrowser-lambda:arm64 cloakserve --port=9222 # CDP server
+#   docker run --rm cloakbrowser-lambda:arm64 cloaktest                           # stealth tests
+#   docker run --rm -it cloakbrowser-lambda:arm64 node                            # JS wrapper
+#   docker run --rm -it cloakbrowser-lambda:arm64 bash                            # shell
+#
+# Pin a specific tag (e.g. cloakhq/cloakbrowser:0.3.25) for reproducible builds;
+# `latest` floats with CloakHQ's release cadence.
+
+FROM cloakhq/cloakbrowser:latest
+
+# ─── Lambda Runtime Interface Client ──────────────────────────────────────────
+RUN pip install --no-cache-dir awslambdaric
+
+# ─── Lambda Runtime Interface Emulator (local `docker run` testing) ───────────
+# Bundled into the image so users can hit the standard local-invoke endpoint
+# without mounting the RIE separately. TARGETARCH is provided by buildx.
+ARG TARGETARCH
+ADD https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie-${TARGETARCH} \
+    /usr/local/bin/aws-lambda-rie
+RUN chmod +x /usr/local/bin/aws-lambda-rie
+
+# ─── Lambda glue ──────────────────────────────────────────────────────────────
+# Dual-mode entrypoint replaces the canonical bin/docker-entrypoint.sh: same
+# Xvfb startup, plus routing for `module.func` CMDs through awslambdaric.
+COPY lambda-entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+# Handler sits at /app (already on Python's import path in the canonical image,
+# WORKDIR=/app), imports cloakbrowser as a normal library.
+COPY lambda_handler.py /app/lambda_handler.py
+
+# ─── Lambda non-root readability fix ──────────────────────────────────────────
+# The canonical image bakes the Chromium binary at /root/.cloakbrowser/ (root's
+# HOME at build time). Lambda runs the container as a non-root user that can't
+# read /root by default (mode 750). Make the whole binary tree world-readable
+# and traversable. Also restore the .welcome_shown marker the canonical image
+# rm's (Lambda's read-only runtime FS can't recreate it, so the welcome would
+# print to CloudWatch on every cold start otherwise).
+RUN touch /root/.cloakbrowser/.welcome_shown \
+    && chmod -R o+rX /root /root/.cloakbrowser
+
+# ─── Lambda runtime env ───────────────────────────────────────────────────────
+# HOME=/tmp gives Chromium a writable scratch dir (Lambda only allows writes
+# under /tmp). CLOAKBROWSER_CACHE_DIR points at the baked binary location since
+# HOME=/tmp would otherwise make get_cache_dir() resolve to /tmp/.cloakbrowser
+# (empty). Auto-update is disabled because the runtime FS is read-only.
+ENV HOME=/tmp \
+    CLOAKBROWSER_CACHE_DIR=/root/.cloakbrowser \
+    CLOAKBROWSER_AUTO_UPDATE=false
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["lambda_handler.handler"]

examples/integrations/aws_lambda/INSTRUCTIONS.md

@@ -0,0 +1,181 @@
+# CloakBrowser on AWS Lambda
+
+Run stealth Chromium one-shot scrapes inside an AWS Lambda function (container image package type). The image derives directly from the official CloakHQ Docker Hub image (`cloakhq/cloakbrowser`) and adds Lambda runtime support on top — Lambda is an additional invocation surface, not a replacement. Every other surface from the canonical image (`python`, `cloakserve`, `cloaktest`, `node`, `bash`, examples) keeps working.
+
+This document covers what the image is, how to build and locally test it, and the event/response contract. **It does not prescribe a deployment method** — push the resulting image to ECR and create the Lambda function however you prefer (AWS CLI, CDK, Terraform, SAM, console, etc.). Configuration tips for whichever tool you use are at the bottom.
+
+## Files in this directory
+
+| File | Purpose |
+|---|---|
+| `Dockerfile` | `FROM cloakhq/cloakbrowser` plus a thin Lambda layer. Self-contained — no files outside this directory are referenced. |
+| `lambda-entrypoint.sh` | Dual-mode entrypoint. Starts Xvfb, then routes `module.func` CMDs through `awslambdaric` (via the bundled `aws-lambda-rie` locally, or the AWS Runtime API in production), and execs everything else (`python`, `cloakserve`, `cloaktest`, `node`, `bash`) directly. |
+| `lambda_handler.py` | Default handler. Takes `{url, ...}`, returns `{title, url, html, screenshot_b64?}`. Always headed via Xvfb. |
+| `INSTRUCTIONS.md` | This file. |
+
+The Lambda layer is ~30 lines on top of the official image — no apt list, no Node install, no JS-wrapper build, no Chromium download. The canonical CloakHQ image owns those.
+
+This directory is **standalone**: copy or clone it anywhere (its own repo, a subdirectory of an existing project, a CI artifact bundle) and the build still works. It depends only on the upstream `cloakhq/cloakbrowser` image on Docker Hub and the `aws-lambda-rie` binary on GitHub Releases — both fetched at build time.
+
+## Build
+
+From inside this directory:
+
+```bash
+docker buildx build --platform linux/arm64 -t cloakbrowser-lambda:arm64 --load .
+```
+
+Or from anywhere, pointing at this directory as the build context:
+
+```bash
+docker buildx build --platform linux/arm64 \
+  -f path/to/aws_lambda/Dockerfile \
+  -t cloakbrowser-lambda:arm64 --load \
+  path/to/aws_lambda
+```
+
+The build pulls `cloakhq/cloakbrowser:latest` from Docker Hub and adds the Lambda layer on top. Pin a specific tag (e.g. `cloakhq/cloakbrowser:0.3.25`) in the `FROM` line for reproducible builds; `latest` floats with the upstream release cadence.
+
+For x86_64, switch `--platform linux/amd64` (slower on Apple Silicon under emulation).
+
+## Local smoke test (no AWS account needed)
+
+> **What's the RIE?** Lambda container images can't be run with a plain `docker run` — they expect to talk to AWS's Runtime API (the HTTP service Lambda exposes inside its sandbox to deliver events and collect responses). AWS publishes a small binary called the **Runtime Interface Emulator** that stands up a fake Runtime API on localhost so you can test the container exactly the way Lambda will invoke it, without deploying. We bake the RIE into the image, and the dual-mode entrypoint uses it automatically when `AWS_LAMBDA_RUNTIME_API` isn't set (i.e. you're not running in real Lambda).
+
+The image bakes in `aws-lambda-rie`, so the standard Lambda local-invoke endpoint works without mounting anything:
+
+```bash
+docker run --rm -p 9000:8080 cloakbrowser-lambda:arm64
+
+# In another shell:
+curl -sS -XPOST "http://localhost:9000/2015-03-31/functions/function/invocations" \
+  -d '{"url":"https://example.com"}'
+```
+
+Other invocation surfaces stay intact (these match the canonical CloakHQ image):
+
+```bash
+docker run --rm -it cloakbrowser-lambda:arm64 python                          # REPL
+docker run --rm cloakbrowser-lambda:arm64 python examples/basic.py            # examples
+docker run --rm -p 9222:9222 cloakbrowser-lambda:arm64 cloakserve --port=9222 # CDP server
+docker run --rm cloakbrowser-lambda:arm64 cloaktest                           # stealth tests
+docker run --rm -it cloakbrowser-lambda:arm64 node                            # JS wrapper
+```
+
+## Event schema
+
+Only `url` is required. Everything else is optional.
+
+### Launch options (forwarded to `cloakbrowser.launch_context_async`)
+
+| Field | Type | Default |
+|---|---|---|
+| `url` | str | required |
+| `proxy` | str / dict | none — `http://user:pass@host:port` or a Playwright proxy dict |
+| `humanize` | bool | `false` — enable human-like mouse / keyboard / scroll |
+| `human_preset` | str | `"default"` or `"careful"` |
+| `geoip` | bool | `false` — auto timezone+locale from proxy IP |
+| `timezone` | str | none — IANA tz, e.g. `"America/New_York"` |
+| `locale` | str | none — BCP-47, e.g. `"en-US"` |
+| `viewport` | `{width,height}` | `1920x947` (cloakbrowser default) |
+| `user_agent` | str | none |
+| `extra_args` | `list[str]` | `[]` — extra Chromium CLI flags |
+
+### Navigation
+
+| Field | Type | Default |
+|---|---|---|
+| `wait_until` | str | `"domcontentloaded"` — `load` / `domcontentloaded` / `networkidle` / `commit` |
+| `goto_timeout_ms` | int | `30000` |
+
+### Post-navigation waits
+
+`smart_wait` is the default when no other wait is specified. It polls `document.documentElement.outerHTML.length` and returns when the size hasn't changed for `dom_stable_ms`. Robust for at-scale scraping because it ignores network activity (analytics beacons, long-poll, websockets) that doesn't mutate the DOM — `wait_until: "networkidle"` is unreliable on modern SPAs for exactly this reason.
+
+| Field | Type | Default |
+|---|---|---|
+| `smart_wait` | bool | `true` if no other wait is set |
+| `dom_stable_ms` | int | `1500` |
+| `max_settle_ms` | int | `15000` |
+| `wait_for_load_state` | str | none — `load` / `domcontentloaded` / `networkidle` |
+| `wait_for_load_state_timeout_ms` | int | `30000` |
+| `wait_for_selector` | str | none — CSS or XPath |
+| `wait_for_selector_state` | str | `"visible"` — also `attached` / `detached` / `hidden` |
+| `wait_for_selector_timeout_ms` | int | `30000` |
+| `wait_for_function` | str | none — JS expression returning truthy when ready |
+| `wait_for_function_timeout_ms` | int | `30000` |
+| `wait_ms` | int | none — fixed pause |
+
+### Capture
+
+| Field | Type | Default |
+|---|---|---|
+| `screenshot` | bool | `true` |
+| `full_page_screenshot` | bool | `false` |
+
+### Retry orchestration
+
+The handler retries transient navigation failures inline within the same Lambda invocation. Two layers, both built-in:
+
+- **Launch retries** — 3 attempts with 0.3 s + 0.6 s backoff. Recovers Xvfb / Chromium spawn races at cold start. Fast and cheap; not configurable.
+- **Strategy retries** — default 1 attempt, configurable via the `retries` event field. Recovers specific post-launch error classes by relaunching with adjusted Chromium args / page-load budgets.
+
+| Field | Type | Default |
+|---|---|---|
+| `retries` | int | `1` — number of strategy-retry attempts after the first failure. Set to `0` to disable retry entirely. |
+
+Strategies (priority order — first match wins):
+
+| Error pattern | Strategy applied |
+|---|---|
+| `ERR_CERT_*` (any cert error) | `extra_args: ["--ignore-certificate-errors"]`, `goto_timeout_ms: 60000` |
+| `Timeout … exceeded` | `goto_timeout_ms: 90000`, `max_settle_ms: 25000` |
+| `ERR_CONNECTION_TIMED_OUT` | same as `Timeout … exceeded` |
+
+Errors that are **not retried** (no anonymous scraper can recover): `ERR_NAME_NOT_RESOLVED`, `ERR_SSL_PROTOCOL_ERROR`, `ERR_CONNECTION_REFUSED`, `ERR_HTTP_RESPONSE_CODE_FAILURE`. These bail immediately.
+
+On final failure, the raised `RuntimeError`'s message includes a `retry_history` block listing every attempt (strategy applied + error seen). Successful invocations return the standard response shape unchanged — no surprise fields when retries didn't fire.
+
+### Response
+
+```json
+{
+  "title": "...",
+  "url": "https://example.com/",
+  "html": "<!DOCTYPE html>...",
+  "screenshot_b64": "<base64 PNG>"
+}
+```
+
+## Lambda-specific Chromium hardening (baked in, do not remove)
+
+Two flags are forced on every launch by `lambda_handler.py`:
+
+- `--disable-dev-shm-usage` — Lambda's `/dev/shm` is ~64 MB; Chromium's renderer crashes mid-paint without this.
+- `--no-zygote` — Lambda's restricted process model can't fork from Chromium's zygote process; without this the browser launches but child renderers fail to spawn and the first `page.new_page()` raises `TargetClosedError`.
+
+## Function configuration recommendations
+
+Whatever tool you use to create the Lambda function (CLI, CDK, Terraform, SAM, console), apply these settings:
+
+| Setting | Value | Why |
+|---|---|---|
+| Package type | Image | Required — this is a container image, not a zip. |
+| Architecture | `arm64` | Roughly 20% cheaper than x86_64. Native build on Apple Silicon. Match the architecture you built for. |
+| Memory | 3008 MB | Memory in Lambda is tied to vCPU. Below ~1769 MB Chromium starts noticeably slower. |
+| Timeout | 120–180 s | Single-attempt scrapes complete in 3–15 s warm; under retry, a `Timeout`-class first failure (30 s default) plus a longer-budget retry (90 s) plus cleanup can total ~120-130 s. 180 s leaves headroom; below 120 s the function will time out before the retry completes. Cold-start init adds 5-10 s on top. |
+| Ephemeral storage (`/tmp`) | 1024 MB | Chromium profile dirs and screenshots can fill the 512 MB default. |
+| Networking | Default (no VPC) | Binary is baked in, no network needed at cold start. Add VPC + NAT only if your proxy egress requires it. |
+| Execution role | `AWSLambdaBasicExecutionRole` | Just CloudWatch Logs. Add more permissions only if your handler needs them. |
+
+## Cold start
+
+First invocation in a new container takes ~80–90 s (image extraction, Chromium binary mmap, JS engine warmup, no DNS/TLS caches). Subsequent warm invocations on the same container are 3–15 s.
+
+For latency-sensitive use cases: provision concurrency, schedule a CloudWatch/EventBridge warmer ping, or accept the cold tail.
+
+If you see empty/missing dynamic content on cold-start invocations, raise `max_settle_ms` in the event payload (e.g. `25000`) — the default `15000` is tuned for warm runs.
+
+## License
+
+The patched Chromium binary inside the upstream `cloakhq/cloakbrowser` image is governed by the **CloakBrowser Binary License** (published at https://github.com/CloakHQ/CloakBrowser/blob/main/BINARY-LICENSE.md). Internal organizational use (private ECR, your own scraping pipelines, your own business) is free. Exposing this Lambda as a paid API to third-party customers — i.e. browser-as-a-service — requires an OEM/SaaS license from CloakHQ (`cloakhq@pm.me`). Do not push the resulting image to a public registry; that would be redistribution and is prohibited.

examples/integrations/aws_lambda/lambda-entrypoint.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+# Dual-mode entrypoint for the CloakBrowser Lambda image.
+#
+#   1. Always start Xvfb on :99 (same as the canonical bin/docker-entrypoint.sh)
+#      so headed Chromium works no matter how the container is invoked.
+#   2. Detect whether the CMD looks like a Lambda handler (a single
+#      `module.func`-shaped argument). If yes, route through the Lambda runtime
+#      client (using the bundled aws-lambda-rie locally, or talking to the real
+#      Lambda Runtime API when AWS_LAMBDA_RUNTIME_API is set in production).
+#   3. Otherwise exec the CMD directly — preserving the canonical Dockerfile's
+#      interaction surface (`python`, `cloakserve`, `cloaktest`, `node`, `bash`,
+#      `python examples/basic.py`, etc.).
+set -e
+
+mkdir -p /tmp/.X11-unix
+chmod 1777 /tmp/.X11-unix 2>/dev/null || true
+
+# Clean any stale Xvfb state. If a previous Xvfb died and left its lock file
+# behind (we observed this in cold-start storms), a new Xvfb refuses to start
+# with "Server is already active for display 99". Removing both files makes
+# Xvfb start cleanly every time.
+rm -f /tmp/.X99-lock /tmp/.X11-unix/X99
+
+Xvfb :99 -screen 0 1920x1080x24 -nolisten tcp >/tmp/Xvfb.log 2>&1 &
+
+# Wait for the X11 socket to appear AND for Xvfb to be ready to serve. The
+# socket file appears at bind(), but listen() and the first accept() come
+# slightly later — under cold-start CPU contention this gap matters.
+i=0
+while [ ! -e /tmp/.X11-unix/X99 ] && [ "$i" -lt 200 ]; do
+    i=$((i + 1))
+    sleep 0.05
+done
+# Small buffer after the socket appears so Xvfb has a moment to call listen()
+# and start accepting clients. Cheap insurance against the bind/listen gap.
+sleep 0.2
+
+# Lambda handler shape: exactly one arg, dotted identifier (no spaces, no slashes,
+# no leading dot). `python`, `cloakserve`, `cloaktest`, `bash`, `node` all fail
+# this test and pass through to plain exec.
+if [ $# -eq 1 ] && \
+   echo "$1" | grep -qE '^[a-zA-Z_][a-zA-Z0-9_]*(\.[a-zA-Z_][a-zA-Z0-9_]*)+$'; then
+    if [ -z "${AWS_LAMBDA_RUNTIME_API}" ]; then
+        # Local invocation via bundled RIE.
+        exec /usr/local/bin/aws-lambda-rie /usr/local/bin/python -m awslambdaric "$@"
+    else
+        # Real Lambda — runtime API endpoint already provided by the platform.
+        exec /usr/local/bin/python -m awslambdaric "$@"
+    fi
+fi
+
+exec "$@"

examples/integrations/aws_lambda/lambda_handler.py

@@ -0,0 +1,336 @@
+"""AWS Lambda handler for one-off stealth-browser invocations.
+
+Always runs **headed** via the Xvfb display started by `lambda-entrypoint.sh`.
+
+Event schema (all fields except `url` are optional):
+
+    Launch options (passed to cloakbrowser.launch_context_async):
+        url                 str              required, the page to scrape
+        proxy               str|dict         http://user:pass@host:port  or  Playwright proxy dict
+        humanize            bool             False — enable human-like mouse/keyboard/scroll
+        human_preset        str              "default" | "careful"
+        geoip               bool             False — auto timezone+locale from proxy IP
+        timezone            str              IANA tz, e.g. "America/New_York"
+        locale              str              BCP-47, e.g. "en-US"
+        viewport            {width,height}   defaults to 1920x947 (cloakbrowser DEFAULT_VIEWPORT)
+        user_agent          str              custom UA (rare — cloakbrowser sets one already)
+        extra_args          list[str]        additional Chromium CLI flags
+
+    Navigation options (passed to page.goto):
+        wait_until          str              "load"|"domcontentloaded"|"networkidle"|"commit"
+                                              default "domcontentloaded"
+        goto_timeout_ms     int              30000
+
+    Post-navigation waits (run in this order if specified):
+        smart_wait                       bool ON by default if no other wait is set.
+                                              Polls document.outerHTML.length and bails when it
+                                              hasn't changed for `dom_stable_ms`. Handles lazy
+                                              hydration, async chunks, and lazy images, and is
+                                              immune to analytics beacons / long-poll that keep
+                                              the network busy without mutating the DOM.
+        dom_stable_ms                    int  1500   — how long DOM must be quiet
+        max_settle_ms                    int  15000  — hard cap on smart_wait
+        wait_for_load_state              str  "load"|"domcontentloaded"|"networkidle"
+        wait_for_load_state_timeout_ms   int  30000
+        wait_for_selector                str  CSS or XPath selector
+        wait_for_selector_state          str  "attached"|"detached"|"visible"|"hidden", default "visible"
+        wait_for_selector_timeout_ms     int  30000
+        wait_for_function                str  JS expression that returns truthy when ready
+        wait_for_function_timeout_ms     int  30000
+        wait_ms                          int  fixed pause in ms (page.wait_for_timeout)
+
+    Capture options:
+        screenshot              bool         True
+        full_page_screenshot    bool         False — capture entire scrollable page
+
+    Retry orchestration:
+        retries     int  default 1. Number of retry attempts after the first
+                          failure. Set to 0 to disable retries entirely (the
+                          handler will fail fast on the first error).
+                          Retried errors:
+                            ERR_CERT_*                -> retry with --ignore-certificate-errors
+                            Timeout exceeded          -> retry with goto_timeout_ms=90000, max_settle_ms=25000
+                            ERR_CONNECTION_TIMED_OUT  -> same as Timeout
+                          Not retried (unrecoverable): ERR_NAME_NOT_RESOLVED,
+                          ERR_SSL_PROTOCOL_ERROR, generic ERR_CONNECTION_REFUSED.
+                          On final failure, the error message includes a
+                          retry_history block with strategy + error per attempt.
+
+Returns:
+    {"title": ..., "url": ..., "html": ..., "screenshot_b64"?: ...}
+"""
+
+from __future__ import annotations
+
+import asyncio
+import base64
+import json
+import logging
+import subprocess
+from pathlib import Path
+from typing import Any
+
+from cloakbrowser import launch_context_async
+
+logger = logging.getLogger("cloakbrowser.lambda")
+logger.setLevel(logging.INFO)
+
+
+def _diag_snapshot() -> str:
+    """Capture Xvfb status, Xvfb log, X11 socket state, and env for error reports."""
+    import os
+    parts = []
+    try:
+        r = subprocess.run(["pgrep", "-fa", "Xvfb"], capture_output=True, text=True)
+        parts.append(f"pgrep Xvfb: rc={r.returncode} stdout={r.stdout.strip()!r}")
+    except Exception as e:
+        parts.append(f"pgrep failed: {e}")
+    try:
+        r = subprocess.run(["ls", "-la", "/tmp/.X11-unix"], capture_output=True, text=True)
+        parts.append(f"ls /tmp/.X11-unix:\n{r.stdout}{r.stderr}")
+    except Exception as e:
+        parts.append(f"ls /tmp/.X11-unix failed: {e}")
+    try:
+        log = Path("/tmp/Xvfb.log").read_text()
+        parts.append(f"/tmp/Xvfb.log:\n{log}")
+    except Exception as e:
+        parts.append(f"Xvfb log unreadable: {e}")
+    parts.append(f"env: DISPLAY={os.environ.get('DISPLAY')!r} HOME={os.environ.get('HOME')!r}")
+    return "\n".join(parts)
+
+
+def handler(event: dict, context: Any) -> dict:
+    return asyncio.run(_run(event))
+
+
+def _build_launch_kwargs(event: dict) -> dict:
+    """Translate the event dict into kwargs for launch_context_async.
+
+    Only includes keys explicitly set in the event so cloakbrowser's defaults
+    (DEFAULT_VIEWPORT etc.) kick in when fields are absent — passing
+    viewport=None would *disable* viewport emulation, which we don't want.
+    """
+    kwargs: dict = {
+        "headless": False,  # always headed via Xvfb
+        "args": [
+            # Lambda /dev/shm is ~64 MB — Chromium crashes mid-render without this.
+            "--disable-dev-shm-usage",
+            # Lambda's restricted process model can't fork from Chromium's zygote
+            # — without this, child renderer processes fail to spawn.
+            "--no-zygote",
+            *event.get("extra_args", []),
+        ],
+    }
+    for key in ("proxy", "humanize", "human_preset", "geoip",
+                "timezone", "locale", "viewport", "user_agent"):
+        if key in event:
+            kwargs[key] = event[key]
+    return kwargs
+
+
+async def _smart_wait(page, dom_stable_ms: int = 1500, max_settle_ms: int = 15000) -> None:
+    """Wait until the document HTML hasn't changed for `dom_stable_ms`.
+
+    Generic stopping condition for at-scale scraping when you can't tune
+    selectors per site. More robust than `networkidle` because it ignores
+    network activity that doesn't mutate the DOM (analytics beacons,
+    long-poll, websockets, web vitals streams).
+    """
+    js = f"""
+    (() => {{
+        if (!window.__cb_settle) {{
+            window.__cb_settle = {{ len: -1, since: Date.now() }};
+        }}
+        const cur = document.documentElement.outerHTML.length;
+        const s = window.__cb_settle;
+        if (cur !== s.len) {{
+            s.len = cur;
+            s.since = Date.now();
+            return false;
+        }}
+        return (Date.now() - s.since) >= {int(dom_stable_ms)};
+    }})()
+    """
+    try:
+        await page.wait_for_function(js, timeout=max_settle_ms, polling=200)
+    except Exception:
+        # Hit max_settle_ms cap — return what we have rather than fail the whole invoke
+        logger.warning("smart_wait hit max_settle_ms=%d cap", max_settle_ms)
+
+
+_EXPLICIT_WAIT_KEYS = (
+    "wait_for_load_state", "wait_for_selector", "wait_for_function", "wait_ms",
+)
+
+
+async def _post_nav_waits(page, event: dict) -> None:
+    """Run waits in priority order. smart_wait is the default unless the
+    caller asked for a more specific stopping condition."""
+    explicit = any(k in event for k in _EXPLICIT_WAIT_KEYS)
+    if event.get("smart_wait", not explicit):
+        await _smart_wait(
+            page,
+            dom_stable_ms=event.get("dom_stable_ms", 1500),
+            max_settle_ms=event.get("max_settle_ms", 15000),
+        )
+    if "wait_for_load_state" in event:
+        await page.wait_for_load_state(
+            event["wait_for_load_state"],
+            timeout=event.get("wait_for_load_state_timeout_ms", 30000),
+        )
+    if "wait_for_selector" in event:
+        await page.wait_for_selector(
+            event["wait_for_selector"],
+            state=event.get("wait_for_selector_state", "visible"),
+            timeout=event.get("wait_for_selector_timeout_ms", 30000),
+        )
+    if "wait_for_function" in event:
+        await page.wait_for_function(
+            event["wait_for_function"],
+            timeout=event.get("wait_for_function_timeout_ms", 30000),
+        )
+    if "wait_ms" in event:
+        await page.wait_for_timeout(event["wait_ms"])
+
+
+async def _launch_with_retry(event: dict, attempts: int = 3, backoff_s: float = 0.3):
+    """Retry launch_context_async up to `attempts` times with linear backoff.
+
+    Lambda cold-start storms occasionally race Xvfb readiness or hit transient
+    Chromium spawn failures — both surface as "Target page, context or browser
+    has been closed" at launch. The failure is fast (~0.5s) so retries are
+    cheap, and a retry on a now-warm container almost always succeeds.
+
+    Pairs with the lock-cleanup + socket-poll in lambda-entrypoint.sh: the
+    entrypoint catches the common case at container init; this catches the
+    residual race when the first invocation hits before Xvfb is fully ready.
+    """
+    last_err: Exception | None = None
+    for i in range(attempts):
+        try:
+            return await launch_context_async(**_build_launch_kwargs(event))
+        except Exception as e:
+            last_err = e
+            logger.warning("launch attempt %d/%d failed: %s",
+                           i + 1, attempts, str(e)[:200])
+            if i + 1 < attempts:
+                await asyncio.sleep(backoff_s * (i + 1))  # 0.3s, 0.6s
+    raise last_err  # type: ignore[misc]
+
+
+def _classify_error(err: Exception) -> dict | None:
+    """Map a Playwright error to a retry-strategy override dict, or None
+    if the error is unrecoverable.
+
+    Match on str(e) because Playwright errors carry their codes inside the
+    message (Error.__str__ includes ERR_CERT_AUTHORITY_INVALID etc.); there
+    is no stable structured `.error_code` attribute to rely on.
+
+    Strategies (priority order — first match wins):
+      ERR_CERT_*                  -> --ignore-certificate-errors + 60s goto budget
+      Timeout exceeded            -> 90s goto budget + 25s smart_wait cap
+      ERR_CONNECTION_TIMED_OUT    -> same as Timeout
+    Returns None for unrecoverable site issues (DNS, SSL, refused, HTTP 4xx/5xx).
+    """
+    msg = str(err)
+    if "ERR_CERT" in msg:
+        return {
+            "extra_args": ["--ignore-certificate-errors"],
+            "goto_timeout_ms": 60000,
+        }
+    if ("Timeout" in msg and "exceeded" in msg) or "ERR_CONNECTION_TIMED_OUT" in msg:
+        return {
+            "goto_timeout_ms": 90000,
+            "max_settle_ms": 25000,
+        }
+    return None
+
+
+async def _attempt_scrape(url: str, event: dict) -> dict:
+    """One self-contained scrape attempt: launch, navigate, wait, capture, close.
+
+    Extracted from `_run` so the retry loop can call it repeatedly with an
+    overridden event dict. Each attempt relaunches the browser — uniform
+    behavior across strategies (the cert-bypass strategy *requires* a relaunch
+    because `--ignore-certificate-errors` is a Chromium CLI arg, not a per-
+    context switch), and the ~3-5s relaunch cost is fine on the slow path.
+    """
+    ctx = await _launch_with_retry(event)
+    try:
+        page = await ctx.new_page()
+        await page.goto(
+            url,
+            wait_until=event.get("wait_until", "domcontentloaded"),
+            timeout=event.get("goto_timeout_ms", 30000),
+        )
+
+        await _post_nav_waits(page, event)
+
+        result: dict = {
+            "title": await page.title(),
+            "url": page.url,
+            "html": await page.content(),
+        }
+
+        if event.get("screenshot", True):
+            png = await page.screenshot(
+                full_page=event.get("full_page_screenshot", False),
+            )
+            result["screenshot_b64"] = base64.b64encode(png).decode()
+
+        return result
+    finally:
+        try:
+            await ctx.close()
+        except Exception:
+            pass
+
+
+def _raise_with_history(err: Exception, history: list[dict]) -> None:
+    """Surface a final failure with a retry_history block embedded in the
+    error message, so callers see what was tried before bailing."""
+    diag = _diag_snapshot()
+    if history:
+        diag = "retry_history: " + json.dumps(history, default=str) + "\n\n" + diag
+    logger.error("scrape failed (after %d retries): %s\nDIAG:\n%s",
+                 len(history), err, diag)
+    raise RuntimeError(f"scrape failed: {err}\n--- DIAG ---\n{diag}") from err
+
+
+async def _run(event: dict) -> dict:
+    """Top-level scrape with strategy-based retry orchestration.
+
+    First attempt uses the event verbatim. If it fails with a classifiable
+    error (cert / timeout), retry with that strategy's overrides merged into
+    the event. `retries` bounds the number of strategy retries (default 1;
+    set to 0 to disable retry entirely).
+    """
+    url = event["url"]
+    retries_left = max(0, int(event.get("retries", 1)))
+    history: list[dict] = []
+    current_event = event
+
+    while True:
+        try:
+            return await _attempt_scrape(url, current_event)
+        except Exception as e:
+            if retries_left <= 0:
+                _raise_with_history(e, history)
+            strategy = _classify_error(e)
+            if strategy is None:
+                _raise_with_history(e, history)
+            history.append({
+                "attempt": len(history) + 1,
+                "error": str(e)[:300],
+                "strategy": strategy,
+            })
+            logger.warning("attempt %d failed (%s); retrying with strategy=%s",
+                           len(history), str(e)[:120], strategy)
+            merged_args = list(current_event.get("extra_args", [])) + list(strategy.get("extra_args", []))
+            current_event = {**current_event, **strategy, "extra_args": merged_args}
+            retries_left -= 1
+            # No backoff: strategy overrides change goto budget directly;
+            # the prior failure was either fast (cert reject) or already
+            # waited its full timeout. Container is warm.
+
+

js/package.json

@@ -1,6 +1,6 @@
 {
   "name": "cloakbrowser",
-  "version": "0.3.23",
+  "version": "0.3.27",
   "description": "Stealth Chromium that passes every bot detection test. Drop-in Playwright/Puppeteer replacement with source-level fingerprint patches.",
   "type": "module",
   "main": "dist/index.js",

js/src/config.ts

@@ -27,14 +27,14 @@ export { WRAPPER_VERSION };
 // CHROMIUM_VERSION is the latest across all platforms (for display/reference).
 // Use getChromiumVersion() for the current platform's actual version.
 // ---------------------------------------------------------------------------
-export const CHROMIUM_VERSION = "146.0.7680.177.1";
+export const CHROMIUM_VERSION = "146.0.7680.177.3";
 
 export const PLATFORM_CHROMIUM_VERSIONS: Record<string, string> = {
-  "linux-x64": "146.0.7680.177.1",
-  "linux-arm64": "145.0.7632.159.7",
+  "linux-x64": "146.0.7680.177.3",
+  "linux-arm64": "146.0.7680.177.3",
   "darwin-arm64": "145.0.7632.109.2",
   "darwin-x64": "145.0.7632.109.2",
-  "windows-x64": "145.0.7632.159.7",
+  "windows-x64": "146.0.7680.177.4",
 };
 
 // ---------------------------------------------------------------------------

js/src/human-puppeteer/index.ts

@@ -48,16 +48,16 @@
 
 import type { Browser, Page, Frame, CDPSession, ElementHandle, BrowserContext } from 'puppeteer-core';
 import type { HumanConfig } from '../human/config.js';
-import { resolveConfig, rand, randRange, sleep } from '../human/config.js';
+import { resolveConfig, mergeConfig, rand, randRange, sleep } from '../human/config.js';
 import { RawMouse, RawKeyboard, humanMove, humanClick, clickTarget, humanIdle } from '../human/mouse.js';
 import { humanType } from './keyboard.js';
-import { scrollToElement, smoothWheel } from './scroll.js';
+import { scrollToElement, humanScrollIntoView, smoothWheel } from './scroll.js';
 
 export type { HumanConfig } from '../human/config.js';
-export { resolveConfig } from '../human/config.js';
+export { resolveConfig, mergeConfig } from '../human/config.js';
 export { humanMove, humanClick, clickTarget, humanIdle } from '../human/mouse.js';
 export { humanType } from './keyboard.js';
-export { scrollToElement } from './scroll.js';
+export { scrollToElement, humanScrollIntoView } from './scroll.js';
 
 
 // ============================================================================
@@ -329,52 +329,55 @@ function patchPage(page: Page, cfg: HumanConfig, cursor: CursorState): void {
   // ==== click (with clickCount support for dblclick) ====
   const humanClickFn = async (selector: string, options?: any) => {
     await ensureCursorInit();
-    if (cfg.idle_between_actions) {
-      await humanIdle(raw, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    if (callCfg.idle_between_actions) {
+      await humanIdle(raw, rand(callCfg.idle_between_duration[0], callCfg.idle_between_duration[1]), cursor.x, cursor.y, callCfg);
     }
-    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, cfg);
+    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, callCfg, options?.timeout);
     cursor.x = cursorX;
     cursor.y = cursorY;
     const isInput = await isInputElement(stealth, page, selector);
-    const target = clickTarget(box, isInput, cfg);
-    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, cfg);
+    const target = clickTarget(box, isInput, callCfg);
+    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, callCfg);
     cursor.x = target.x;
     cursor.y = target.y;
 
     const clickCount = options?.clickCount ?? options?.count ?? 1;
     if (clickCount >= 2) {
-      await humanClick(raw, isInput, cfg);
+      await humanClick(raw, isInput, callCfg);
       await sleep(rand(40, 90));
       await raw.down({ clickCount: 2 });
       await sleep(rand(30, 60));
       await raw.up({ clickCount: 2 });
     } else {
-      await humanClick(raw, isInput, cfg);
+      await humanClick(raw, isInput, callCfg);
     }
   };
 
   // ==== hover ====
   const humanHoverFn = async (selector: string, options?: any) => {
     await ensureCursorInit();
-    if (cfg.idle_between_actions) {
-      await humanIdle(raw, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    if (callCfg.idle_between_actions) {
+      await humanIdle(raw, rand(callCfg.idle_between_duration[0], callCfg.idle_between_duration[1]), cursor.x, cursor.y, callCfg);
     }
-    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, cfg);
+    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, callCfg, options?.timeout);
     cursor.x = cursorX;
     cursor.y = cursorY;
-    const target = clickTarget(box, false, cfg);
-    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, cfg);
+    const target = clickTarget(box, false, callCfg);
+    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, callCfg);
     cursor.x = target.x;
     cursor.y = target.y;
   };
 
   // ==== type ====
   const humanTypeFn = async (selector: string, text: string, options?: any) => {
-    await sleep(randRange(cfg.field_switch_delay));
-    await humanClickFn(selector);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    await sleep(randRange(callCfg.field_switch_delay));
+    await humanClickFn(selector, options);
     await sleep(rand(100, 250));
     const cdp = await ensureCdp();
-    await humanType(page, rawKb, text, cfg, cdp);
+    await humanType(page, rawKb, text, callCfg, cdp);
   };
 
   // ==== select ====
@@ -577,6 +580,9 @@ function patchSingleElementHandle(
   const origElDragAndDrop = (el as any).dragAndDrop?.bind(el);
   const origElSelect = (el as any).select?.bind(el);
   const origElDrop = (el as any).drop?.bind(el);
+  // Puppeteer v22+ adds ElementHandle.scrollIntoView(); earlier versions
+  // expose it implicitly via evaluate(node => node.scrollIntoView()).
+  const origElScrollIntoView = (el as any).scrollIntoView?.bind(el);
 
   // --- Nested selectors ---
   const origEl$ = el.$.bind(el);
@@ -603,20 +609,34 @@ function patchSingleElementHandle(
     return child;
   };
 
-  // --- Helper: get box and move cursor ---
-  const moveToElement = async () => {
+  // --- Helper: get box and move cursor. Accepts a per-call ``callCfg``
+  // so type/fill overrides like ``el.type(text, { human_config: {...} })``
+  // carry through to mouse timing for that single call. Also scrolls into
+  // view first so off-screen elements work (#129, #172 follow-up).
+  const moveToElement = async (callCfg: HumanConfig = cfg) => {
     await (page as any)._ensureCursorInit();
+
+    try {
+      const { cursorX, cursorY } = await humanScrollIntoView(
+        page, raw,
+        () => el.boundingBox().then(b => b ?? null),
+        cursor.x, cursor.y, callCfg,
+      );
+      cursor.x = cursorX;
+      cursor.y = cursorY;
+    } catch { /* let boundingBox() decide */ }
+
     const box = await el.boundingBox();
     if (!box) return null;
 
     const isInp = await isInputElementHandle(stealth, el);
-    const target = clickTarget(box, isInp, cfg);
+    const target = clickTarget(box, isInp, callCfg);
 
-    if (cfg.idle_between_actions) {
-      await humanIdle(raw, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg);
+    if (callCfg.idle_between_actions) {
+      await humanIdle(raw, rand(callCfg.idle_between_duration[0], callCfg.idle_between_duration[1]), cursor.x, cursor.y, callCfg);
     }
 
-    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, cfg);
+    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, callCfg);
     cursor.x = target.x;
     cursor.y = target.y;
     return { box, isInp };
@@ -624,18 +644,19 @@ function patchSingleElementHandle(
 
   // --- el.click() ---
   (el as any).click = async (options?: any) => {
-    const info = await moveToElement();
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    const info = await moveToElement(callCfg);
     if (!info) return origElClick(options);
 
     const clickCount = options?.clickCount ?? options?.count ?? 1;
     if (clickCount >= 2) {
-      await humanClick(raw, info.isInp, cfg);
+      await humanClick(raw, info.isInp, callCfg);
       await sleep(rand(40, 90));
       await raw.down({ clickCount: 2 });
       await sleep(rand(30, 60));
       await raw.up({ clickCount: 2 });
     } else {
-      await humanClick(raw, info.isInp, cfg);
+      await humanClick(raw, info.isInp, callCfg);
     }
   };
 
@@ -647,14 +668,39 @@ function patchSingleElementHandle(
 
   // --- el.type() ---
   (el as any).type = async (text: string, options?: any) => {
-    const info = await moveToElement();
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    const info = await moveToElement(callCfg);
     if (!info) return origElType(text, options);
-    await humanClick(raw, info.isInp, cfg);
+    await humanClick(raw, info.isInp, callCfg);
     await sleep(rand(100, 250));
     const cdp = await stealth.getCdpSession().catch(() => null);
-    await humanType(page, rawKb, text, cfg, cdp);
+    await humanType(page, rawKb, text, callCfg, cdp);
   };
 
+  // --- el.scrollIntoView() ---
+  // Puppeteer-only equivalent of Playwright's scrollIntoViewIfNeeded.
+  // Replaces the native snap-scroll (a strong bot signal) with the same
+  // accelerate → cruise → decelerate → overshoot wheel sequence used by
+  // page.click(). Only patched when the underlying ElementHandle exposes
+  // ``scrollIntoView`` (Puppeteer v22+).
+  if (origElScrollIntoView) {
+    (el as any).scrollIntoView = async (options?: any) => {
+      const callCfg = mergeConfig(cfg, options?.human_config);
+      await (page as any)._ensureCursorInit();
+      try {
+        const { cursorX, cursorY } = await humanScrollIntoView(
+          page, raw,
+          () => el.boundingBox().then(b => b ?? null),
+          cursor.x, cursor.y, callCfg,
+        );
+        cursor.x = cursorX;
+        cursor.y = cursorY;
+      } catch {
+        return origElScrollIntoView(options);
+      }
+    };
+  }
+
   // --- el.press() ---
   if (origElPress) {
     (el as any).press = async (key: string, options?: any) => {

js/src/human-puppeteer/scroll.ts

@@ -5,7 +5,7 @@
  * Changes from Playwright version:
  *   - page.viewport() instead of page.viewportSize()
  *   - page.$(selector) + el.boundingBox() instead of page.locator().boundingBox()
- *   - No timeout parameter on boundingBox()
+ *   - boundingBox() has no timeout param — we poll page.$() up to ``timeout`` ms
  */
 
 import type { Page } from 'puppeteer-core';
@@ -55,22 +55,40 @@ export async function smoothWheel(
   }
 }
 
-async function getElementBox(page: Page, selector: string): Promise<ElementBounds | null> {
-  try {
-    const el = await page.$(selector);
-    if (!el) return null;
-    const box = await el.boundingBox();
-    if (!box) return null;
-    return { x: box.x, y: box.y, width: box.width, height: box.height };
-  } catch {
-    return null;
+/**
+ * Poll ``page.$(selector)`` for up to ``timeout`` ms, returning the element's
+ * bounding box when found. ``timeout`` defaults to 30000ms when not specified.
+ */
+async function getElementBox(
+  page: Page,
+  selector: string,
+  timeout: number = 30000,
+): Promise<ElementBounds | null> {
+  const start = Date.now();
+  const pollInterval = 100;
+  while (true) {
+    try {
+      const el = await page.$(selector);
+      if (el) {
+        const box = await el.boundingBox();
+        if (box) return { x: box.x, y: box.y, width: box.width, height: box.height };
+      }
+    } catch { /* keep polling */ }
+
+    if (Date.now() - start >= timeout) return null;
+    await sleep(pollInterval);
   }
 }
 
-export async function scrollToElement(
+/**
+ * Humanized scrolling that takes an arbitrary ``getBox`` callable.
+ * Used by both ``scrollToElement`` (selector-based) and the ElementHandle
+ * ``scrollIntoView`` patch.
+ */
+export async function humanScrollIntoView(
   page: Page,
   raw: RawMouse,
-  selector: string,
+  getBox: () => Promise<ElementBounds | null>,
   cursorX: number,
   cursorY: number,
   cfg: HumanConfig,
@@ -78,12 +96,8 @@ export async function scrollToElement(
   const viewport = page.viewport();
   if (!viewport) throw new Error('Viewport size not available');
 
-  let box = await getElementBox(page, selector);
-  if (!box) {
-    await sleep(200);
-    box = await getElementBox(page, selector);
-    if (!box) throw new Error(`Element not found: ${selector}`);
-  }
+  let box = await getBox();
+  if (!box) throw new Error('Element not found while scrolling into view');
 
   if (isInViewport(box, viewport.height, cfg)) {
     return { box, cursorX, cursorY };
@@ -134,7 +148,7 @@ export async function scrollToElement(
     await sleep(pause);
 
     if (i % 3 === 2 || i === totalClicks - 1) {
-      box = await getElementBox(page, selector);
+      box = await getBox();
       if (box && isInViewport(box, viewport.height, cfg)) {
         break;
       }
@@ -159,8 +173,31 @@ export async function scrollToElement(
 
   await sleep(randRange(cfg.scroll_settle_delay));
 
-  box = await getElementBox(page, selector);
-  if (!box) throw new Error(`Element lost after scrolling: ${selector}`);
+  box = await getBox();
+  if (!box) throw new Error('Element lost after scrolling into view');
 
   return { box, cursorX, cursorY };
 }
+
+/**
+ * Selector-based humanized scroll (Puppeteer).
+ *
+ * ``timeout`` controls how long we poll ``page.$(selector)`` before giving up,
+ * so callers like ``page.click('#x', { timeout: 5000 })`` can wait longer for
+ * slow-loading elements (#172). Default matches Playwright's 30000ms when not specified.
+ */
+export async function scrollToElement(
+  page: Page,
+  raw: RawMouse,
+  selector: string,
+  cursorX: number,
+  cursorY: number,
+  cfg: HumanConfig,
+  timeout?: number,
+): Promise<{ box: ElementBounds; cursorX: number; cursorY: number }> {
+  return humanScrollIntoView(
+    page, raw,
+    () => getElementBox(page, selector, timeout),
+    cursorX, cursorY, cfg,
+  );
+}

js/src/human/config.ts

@@ -201,6 +201,22 @@ export function resolveConfig(
   return { ...base, ...overrides };
 }
 
+/**
+ * Merge a partial overrides object on top of an existing HumanConfig.
+ * Returns a new object — the original ``cfg`` is never mutated.
+ *
+ * Used by per-call overrides such as ``page.type(sel, text, { human_config: { typing_delay: 30 } })``
+ * so the same patched page can type different fields at different speeds
+ * without re-patching.
+ */
+export function mergeConfig(
+  cfg: HumanConfig,
+  overrides?: Partial<HumanConfig> | null,
+): HumanConfig {
+  if (!overrides) return cfg;
+  return { ...cfg, ...overrides };
+}
+
 
 // ---------------------------------------------------------------------------
 // Utility: random number in range

js/src/human/elementhandle.ts

@@ -18,9 +18,10 @@
 
 import type { Page, Frame, ElementHandle, CDPSession } from 'playwright-core';
 import type { HumanConfig } from './config.js';
-import { rand, randRange, sleep } from './config.js';
+import { rand, randRange, sleep, mergeConfig } from './config.js';
 import { RawMouse, RawKeyboard, humanMove, humanClick, clickTarget, humanIdle } from './mouse.js';
 import { humanType } from './keyboard.js';
+import { humanScrollIntoView } from './scroll.js';
 
 // --- Platform-aware select-all shortcut ---
 const SELECT_ALL = process.platform === 'darwin' ? 'Meta+a' : 'Control+a';
@@ -102,6 +103,7 @@ export function patchSingleElementHandle(
   const origElSetChecked = (el as any).setChecked?.bind(el);
   const origElTap = el.tap.bind(el);
   const origElFocus = el.focus.bind(el);
+  const origElScrollIntoViewIfNeeded = (el as any).scrollIntoViewIfNeeded?.bind(el);
 
   // Nested selectors
   const origEl$ = el.$.bind(el);
@@ -130,22 +132,42 @@ export function patchSingleElementHandle(
   };
 
   // --- Helper: get bounding box and move cursor to element ---
-  const moveToElement = async () => {
+  // Accepts a per-call ``callCfg`` so type/fill overrides like
+  // ``el.type(text, { human_config: { typing_delay: 30 } })`` carry through to
+  // mouse movement & idle timing for that single call.
+  // Also scrolls the element into view first so off-screen elements work
+  // (#129, #172 follow-up): otherwise boundingBox() returns null and we'd
+  // silently fall back to the unpatched native method.
+  const moveToElement = async (callCfg: HumanConfig = cfg) => {
     // Ensure cursor is initialized
     const ensureCursorInit = (page as any)._ensureCursorInit;
     if (ensureCursorInit) await ensureCursorInit();
 
+    // Scroll into view first so boundingBox() returns coordinates even when
+    // the element starts below the fold. Best-effort — if humanScrollIntoView
+    // throws (e.g. detached element), we let boundingBox() decide whether to
+    // proceed or fall back to the original method.
+    try {
+      const { cursorX, cursorY } = await humanScrollIntoView(
+        page, raw,
+        () => el.boundingBox(),
+        cursor.x, cursor.y, callCfg,
+      );
+      cursor.x = cursorX;
+      cursor.y = cursorY;
+    } catch { /* let boundingBox() decide */ }
+
     const box = await el.boundingBox();
     if (!box) return null;
 
     const isInp = await isInputElementHandle(stealth, el);
-    const target = clickTarget(box, isInp, cfg);
+    const target = clickTarget(box, isInp, callCfg);
 
-    if (cfg.idle_between_actions) {
-      await humanIdle(raw, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg);
+    if (callCfg.idle_between_actions) {
+      await humanIdle(raw, rand(callCfg.idle_between_duration[0], callCfg.idle_between_duration[1]), cursor.x, cursor.y, callCfg);
     }
 
-    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, cfg);
+    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, callCfg);
     cursor.x = target.x;
     cursor.y = target.y;
     return { box, isInp };
@@ -153,14 +175,16 @@ export function patchSingleElementHandle(
 
   // --- el.click() ---
   (el as any).click = async (options?: any) => {
-    const info = await moveToElement();
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    const info = await moveToElement(callCfg);
     if (!info) return origElClick(options);
-    await humanClick(raw, info.isInp, cfg);
+    await humanClick(raw, info.isInp, callCfg);
   };
 
   // --- el.dblclick() ---
   (el as any).dblclick = async (options?: any) => {
-    const info = await moveToElement();
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    const info = await moveToElement(callCfg);
     if (!info) return origElDblclick(options);
     await raw.down({ clickCount: 2 });
     await sleep(rand(30, 60));
@@ -169,27 +193,30 @@ export function patchSingleElementHandle(
 
   // --- el.hover() ---
   (el as any).hover = async (options?: any) => {
-    const info = await moveToElement();
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    const info = await moveToElement(callCfg);
     if (!info) return origElHover(options);
     // Just move — no click
   };
 
   // --- el.type() ---
   (el as any).type = async (text: string, options?: any) => {
-    const info = await moveToElement();
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    const info = await moveToElement(callCfg);
     if (!info) return origElType(text, options);
-    await humanClick(raw, info.isInp, cfg);
+    await humanClick(raw, info.isInp, callCfg);
     await sleep(rand(100, 250));
     let cdpSession: CDPSession | null = null;
     try { cdpSession = await stealth?.getCdpSession(); } catch {}
-    await humanType(page, rawKb, text, cfg, cdpSession);
+    await humanType(page, rawKb, text, callCfg, cdpSession);
   };
 
   // --- el.fill() ---
   (el as any).fill = async (value: string, options?: any) => {
-    const info = await moveToElement();
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    const info = await moveToElement(callCfg);
     if (!info) return origElFill(value, options);
-    await humanClick(raw, info.isInp, cfg);
+    await humanClick(raw, info.isInp, callCfg);
     await sleep(rand(100, 250));
     // Clear existing content
     await originals.keyboardPress(SELECT_ALL);
@@ -198,7 +225,7 @@ export function patchSingleElementHandle(
     await sleep(rand(50, 150));
     let cdpSession: CDPSession | null = null;
     try { cdpSession = await stealth?.getCdpSession(); } catch {}
-    await humanType(page, rawKb, value, cfg, cdpSession);
+    await humanType(page, rawKb, value, callCfg, cdpSession);
   };
 
   // --- el.press() ---
@@ -268,6 +295,30 @@ export function patchSingleElementHandle(
     await moveToElement();  // human-like Bézier cursor movement
     await origElFocus();    // programmatic focus, no click
   };
+
+  // --- el.scrollIntoViewIfNeeded() ---
+  // Playwright's native version snaps the page — a strong bot signal.
+  // Replace with the same accelerate → cruise → decelerate → overshoot
+  // wheel sequence used by page.click() etc. Falls back to the native
+  // method if the element is detached or scrolling fails.
+  if (origElScrollIntoViewIfNeeded) {
+    (el as any).scrollIntoViewIfNeeded = async (options?: any) => {
+      const callCfg = mergeConfig(cfg, options?.human_config);
+      const ensureCursorInit = (page as any)._ensureCursorInit;
+      if (ensureCursorInit) await ensureCursorInit();
+      try {
+        const { cursorX, cursorY } = await humanScrollIntoView(
+          page, raw,
+          () => el.boundingBox(),
+          cursor.x, cursor.y, callCfg,
+        );
+        cursor.x = cursorX;
+        cursor.y = cursorY;
+      } catch {
+        return origElScrollIntoViewIfNeeded(options);
+      }
+    };
+  }
 }
 
 

js/src/human/index.ts

@@ -23,16 +23,16 @@
  */
 
 import type { Browser, BrowserContext, Page, Frame, CDPSession } from 'playwright-core';
-import { HumanConfig, resolveConfig, rand, randRange, sleep } from './config.js';
+import { HumanConfig, resolveConfig, mergeConfig, rand, randRange, sleep } from './config.js';
 import { RawMouse, RawKeyboard, humanMove, humanClick, clickTarget, humanIdle } from './mouse.js';
 import { humanType } from './keyboard.js';
-import { scrollToElement } from './scroll.js';
+import { scrollToElement, humanScrollIntoView } from './scroll.js';
 import { patchPageElementHandles, patchFrameElementHandles, patchSingleElementHandle } from './elementhandle.js';
 
-export { HumanConfig, resolveConfig } from './config.js';
+export { HumanConfig, resolveConfig, mergeConfig } from './config.js';
 export { humanMove, humanClick, clickTarget, humanIdle } from './mouse.js';
 export { humanType } from './keyboard.js';
-export { scrollToElement } from './scroll.js';
+export { scrollToElement, humanScrollIntoView } from './scroll.js';
 export { patchSingleElementHandle } from './elementhandle.js';
 
 // --- Platform-aware select-all shortcut (macOS uses Meta, others use Control) ---
@@ -305,32 +305,34 @@ function patchPage(page: Page, cfg: HumanConfig, cursor: CursorState): void {
   // --- click ---
   const humanClickFn = async (selector: string, options?: any) => {
     await ensureCursorInit();
-    if (cfg.idle_between_actions) {
-      await humanIdle(raw, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    if (callCfg.idle_between_actions) {
+      await humanIdle(raw, rand(callCfg.idle_between_duration[0], callCfg.idle_between_duration[1]), cursor.x, cursor.y, callCfg);
     }
-    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, cfg);
+    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, callCfg, options?.timeout);
     cursor.x = cursorX;
     cursor.y = cursorY;
     const isInput = await isInputElement(stealth, page, selector);
-    const target = clickTarget(box, isInput, cfg);
-    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, cfg);
+    const target = clickTarget(box, isInput, callCfg);
+    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, callCfg);
     cursor.x = target.x;
     cursor.y = target.y;
-    await humanClick(raw, isInput, cfg);
+    await humanClick(raw, isInput, callCfg);
   };
 
   // --- dblclick ---
   const humanDblclickFn = async (selector: string, options?: any) => {
     await ensureCursorInit();
-    if (cfg.idle_between_actions) {
-      await humanIdle(raw, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    if (callCfg.idle_between_actions) {
+      await humanIdle(raw, rand(callCfg.idle_between_duration[0], callCfg.idle_between_duration[1]), cursor.x, cursor.y, callCfg);
     }
-    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, cfg);
+    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, callCfg, options?.timeout);
     cursor.x = cursorX;
     cursor.y = cursorY;
     const isInput = await isInputElement(stealth, page, selector);
-    const target = clickTarget(box, isInput, cfg);
-    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, cfg);
+    const target = clickTarget(box, isInput, callCfg);
+    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, callCfg);
     cursor.x = target.x;
     cursor.y = target.y;
     await raw.down({ clickCount: 2 });
@@ -341,38 +343,41 @@ function patchPage(page: Page, cfg: HumanConfig, cursor: CursorState): void {
   // --- hover ---
   const humanHoverFn = async (selector: string, options?: any) => {
     await ensureCursorInit();
-    if (cfg.idle_between_actions) {
-      await humanIdle(raw, rand(cfg.idle_between_duration[0], cfg.idle_between_duration[1]), cursor.x, cursor.y, cfg);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    if (callCfg.idle_between_actions) {
+      await humanIdle(raw, rand(callCfg.idle_between_duration[0], callCfg.idle_between_duration[1]), cursor.x, cursor.y, callCfg);
     }
-    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, cfg);
+    const { box, cursorX, cursorY } = await scrollToElement(page, raw, selector, cursor.x, cursor.y, callCfg, options?.timeout);
     cursor.x = cursorX;
     cursor.y = cursorY;
-    const target = clickTarget(box, false, cfg);
-    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, cfg);
+    const target = clickTarget(box, false, callCfg);
+    await humanMove(raw, cursor.x, cursor.y, target.x, target.y, callCfg);
     cursor.x = target.x;
     cursor.y = target.y;
   };
 
   // --- type ---
   const humanTypeFn = async (selector: string, text: string, options?: any) => {
-    await sleep(randRange(cfg.field_switch_delay));
-    await humanClickFn(selector);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    await sleep(randRange(callCfg.field_switch_delay));
+    await humanClickFn(selector, options);
     await sleep(rand(100, 250));
     const cdp = await ensureCdp();
-    await humanType(page, rawKb, text, cfg, cdp);
+    await humanType(page, rawKb, text, callCfg, cdp);
   };
 
   // --- fill (clears existing content first) ---
   const humanFillFn = async (selector: string, value: string, options?: any) => {
-    await sleep(randRange(cfg.field_switch_delay));
-    await humanClickFn(selector);
+    const callCfg = mergeConfig(cfg, options?.human_config);
+    await sleep(randRange(callCfg.field_switch_delay));
+    await humanClickFn(selector, options);
     await sleep(rand(100, 250));
     await originals.keyboardPress(SELECT_ALL);
     await sleep(rand(30, 80));
     await originals.keyboardPress('Backspace');
     await sleep(rand(50, 150));
     const cdp = await ensureCdp();
-    await humanType(page, rawKb, value, cfg, cdp);
+    await humanType(page, rawKb, value, callCfg, cdp);
   };
 
   // --- clear ---
@@ -426,12 +431,13 @@ function patchPage(page: Page, cfg: HumanConfig, cursor: CursorState): void {
 
   // --- pressSequentially ---
   const humanPressSequentiallyFn = async (selector: string, text: string, options?: any) => {
+    const callCfg = mergeConfig(cfg, options?.human_config);
     if (!await isSelectorFocused(stealth, page, selector)) {
-      await humanClickFn(selector);
+      await humanClickFn(selector, options);
     }
     await sleep(rand(100, 250));
     const cdp = await ensureCdp();
-    await humanType(page, rawKb, text, cfg, cdp);
+    await humanType(page, rawKb, text, callCfg, cdp);
   };
 
   // --- tap ---

js/src/human/scroll.ts

@@ -38,10 +38,17 @@ async function smoothWheel(raw: RawMouse, delta: number, cfg: HumanConfig): Prom
   }
 }
 
-export async function scrollToElement(
+/**
+ * Humanized scrolling that takes an arbitrary ``getBox`` callable.
+ *
+ * Used by both ``scrollToElement`` (selector-based) and the ElementHandle
+ * ``scrollIntoViewIfNeeded`` patch so the same accelerate → cruise →
+ * decelerate → overshoot behavior runs everywhere.
+ */
+export async function humanScrollIntoView(
   page: Page,
   raw: RawMouse,
-  selector: string,
+  getBox: () => Promise<ElementBounds | null>,
   cursorX: number,
   cursorY: number,
   cfg: HumanConfig,
@@ -49,12 +56,8 @@ export async function scrollToElement(
   const viewport = page.viewportSize();
   if (!viewport) throw new Error('Viewport size not available');
 
-  let box = await getElementBox(page, selector);
-  if (!box) {
-    await sleep(200);
-    box = await getElementBox(page, selector);
-    if (!box) throw new Error(`Element not found: ${selector}`);
-  }
+  let box = await getBox();
+  if (!box) throw new Error('Element not found while scrolling into view');
 
   if (isInViewport(box, viewport.height, cfg)) {
     return { box, cursorX, cursorY };
@@ -107,7 +110,7 @@ export async function scrollToElement(
 
     // Check visibility every 3 steps
     if (i % 3 === 2 || i === totalClicks - 1) {
-      box = await getElementBox(page, selector);
+      box = await getBox();
       if (box && isInViewport(box, viewport.height, cfg)) {
         break;
       }
@@ -133,16 +136,43 @@ export async function scrollToElement(
   // Settle
   await sleep(randRange(cfg.scroll_settle_delay));
 
-  box = await getElementBox(page, selector);
-  if (!box) throw new Error(`Element lost after scrolling: ${selector}`);
+  box = await getBox();
+  if (!box) throw new Error('Element lost after scrolling into view');
 
   return { box, cursorX, cursorY };
 }
 
-async function getElementBox(page: Page, selector: string): Promise<ElementBounds | null> {
+/**
+ * Selector-based humanized scroll.
+ *
+ * ``timeout`` is forwarded to Playwright's ``boundingBox({ timeout })`` so
+ * callers like ``page.click('#x', { timeout: 5000 })`` can wait longer for
+ * slow-loading elements (#172). Default matches Playwright's 30000ms when not specified.
+ */
+export async function scrollToElement(
+  page: Page,
+  raw: RawMouse,
+  selector: string,
+  cursorX: number,
+  cursorY: number,
+  cfg: HumanConfig,
+  timeout?: number,
+): Promise<{ box: ElementBounds; cursorX: number; cursorY: number }> {
+  return humanScrollIntoView(
+    page, raw,
+    () => getElementBox(page, selector, timeout),
+    cursorX, cursorY, cfg,
+  );
+}
+
+async function getElementBox(
+  page: Page,
+  selector: string,
+  timeout: number = 30000,
+): Promise<ElementBounds | null> {
   const el = page.locator(selector).first();
   try {
-    const box = await el.boundingBox({ timeout: 2000 });
+    const box = await el.boundingBox({ timeout });
     return box;
   } catch {
     return null;

js/src/playwright.ts

@@ -3,7 +3,7 @@
  * Mirrors Python cloakbrowser/browser.py.
  */
 
-import type { Browser, BrowserContext } from "playwright-core";
+import type { Browser, BrowserContext, BrowserContextOptions } from "playwright-core";
 import type { LaunchOptions, LaunchContextOptions, LaunchPersistentContextOptions } from "./types.js";
 import { DEFAULT_VIEWPORT, IGNORE_DEFAULT_ARGS } from "./config.js";
 import { buildArgs } from "./args.js";
@@ -21,6 +21,29 @@ export function resolveTimezone<T extends { timezone?: string; timezoneId?: stri
   return options;
 }
 
+/**
+ * Strip `locale` and `timezoneId` from user-provided contextOptions — both route
+ * through detectable CDP emulation. The wrapper's top-level `locale`/`timezone`
+ * fields use binary flags instead (undetectable). Warn so users notice.
+ */
+function filterStealthCtxOptions(ctx?: BrowserContextOptions): Partial<BrowserContextOptions> {
+  if (!ctx) return {};
+  const { locale, timezoneId, ...rest } = ctx;
+  if (locale !== undefined) {
+    console.warn(
+      "[cloakbrowser] contextOptions.locale ignored — use top-level `locale` " +
+      "instead (routes through binary flag, avoids detectable CDP emulation)."
+    );
+  }
+  if (timezoneId !== undefined) {
+    console.warn(
+      "[cloakbrowser] contextOptions.timezoneId ignored — use top-level `timezone` " +
+      "instead (routes through binary flag, avoids detectable CDP emulation)."
+    );
+  }
+  return rest;
+}
+
 /**
  * Launch stealth Chromium browser via Playwright.
  *
@@ -60,8 +83,8 @@ export async function launch(options: LaunchOptions = {}): Promise<Browser> {
     const { patchBrowser } = await import('./human/index.js');
     const { resolveConfig } = await import('./human/config.js');
     const cfg = resolveConfig(
-      (options.humanPreset as any) ?? 'default',
-      options.humanConfig as any,
+      options.humanPreset ?? 'default',
+      options.humanConfig,
     );
     patchBrowser(browser, cfg);
   }
@@ -104,6 +127,9 @@ export async function launchContext(
   let context: BrowserContext;
   try {
     context = await browser.newContext({
+      // contextOptions first — explicit wrapper fields below override it.
+      // filterStealthCtxOptions strips locale/timezoneId to prevent CDP detection.
+      ...filterStealthCtxOptions(options.contextOptions),
       ...(options.userAgent ? { userAgent: options.userAgent } : {}),
       viewport: options.viewport === undefined ? DEFAULT_VIEWPORT : options.viewport,
       ...(options.colorScheme ? { colorScheme: options.colorScheme } : {}),
@@ -125,8 +151,8 @@ export async function launchContext(
     const { patchContext } = await import('./human/index.js');
     const { resolveConfig } = await import('./human/config.js');
     const cfg = resolveConfig(
-      (options.humanPreset as any) ?? 'default',
-      options.humanConfig as any,
+      options.humanPreset ?? 'default',
+      options.humanConfig,
     );
     patchContext(context, cfg);
   }
@@ -178,6 +204,9 @@ export async function launchPersistentContext(
     args,
     ignoreDefaultArgs: IGNORE_DEFAULT_ARGS,
     ...(proxyOption ? { proxy: proxyOption } : {}),
+    // contextOptions before explicit wrapper fields so explicit wins.
+    // filterStealthCtxOptions strips locale/timezoneId to prevent CDP detection.
+    ...filterStealthCtxOptions(options.contextOptions),
     ...(options.userAgent ? { userAgent: options.userAgent } : {}),
     viewport: options.viewport === undefined ? DEFAULT_VIEWPORT : options.viewport,
     ...(options.colorScheme ? { colorScheme: options.colorScheme } : {}),
@@ -189,8 +218,8 @@ export async function launchPersistentContext(
     const { patchContext } = await import('./human/index.js');
     const { resolveConfig } = await import('./human/config.js');
     const cfg = resolveConfig(
-      (options.humanPreset as any) ?? 'default',
-      options.humanConfig as any,
+      options.humanPreset ?? 'default',
+      options.humanConfig,
     );
     patchContext(context, cfg);
   }

js/src/proxy.ts

@@ -43,6 +43,40 @@ export function isSocksProxy(proxy: string | ProxyDict | undefined | null): bool
   return /^socks5h?:\/\//i.test(url);
 }
 
+/**
+ * Build a SOCKS URL from already-percent-encoded credentials and a host suffix.
+ *
+ * `encPass === null` means no password (no colon in userinfo). Empty string
+ * means present-but-empty (colon preserved).
+ */
+function assembleSocksUrl(
+  scheme: string,
+  encUser: string,
+  encPass: string | null,
+  hostAndRest: string,
+): string {
+  let userinfo: string;
+  if (encPass !== null) {
+    userinfo = `${encUser}:${encPass}@`;
+  } else if (encUser) {
+    userinfo = `${encUser}@`;
+  } else {
+    userinfo = "";
+  }
+  return `${scheme}://${userinfo}${hostAndRest}`;
+}
+
+/**
+ * Lenient percent-decode that handles malformed escapes gracefully, matching
+ * Python's ``urllib.parse.unquote``: valid ``%XX`` sequences are decoded,
+ * bare ``%`` not followed by two hex digits is left as a literal ``%``.
+ */
+function lenientDecodeURIComponent(s: string): string {
+  return s.replace(/%([0-9A-Fa-f]{2})|%/g, (match, hex) =>
+    hex ? String.fromCharCode(parseInt(hex, 16)) : "%",
+  );
+}
+
 /**
  * Reconstruct a SOCKS5 URL with inline credentials from a proxy dict.
  */
@@ -55,6 +89,60 @@ export function reconstructSocksUrl(proxy: ProxyDict): string {
   return url.href.replace(/\/$/, "");
 }
 
+/**
+ * Re-encode credentials in a SOCKS5 URL string so Chromium's parser doesn't
+ * truncate them at special chars like '='. Idempotent: pre-encoded input stays
+ * the same (decoded then re-encoded).
+ *
+ * Parsing is done manually rather than via `new URL` + setters, because WHATWG
+ * URL's username/password setters re-encode `%` on assignment, causing
+ * double-encoding when we round-trip decode-then-encode.
+ *
+ * On any unexpected failure, logs a warning and returns the original string
+ * so Chromium's own error handling can surface the real problem.
+ */
+export function normalizeSocksStringUrl(urlStr: string): string {
+  // Split userinfo from host at the LAST '@' (RFC 3986), so a raw '@' inside
+  // a password like `socks5://user:p@ss@host:1080` parses correctly. Matches
+  // Python urlparse's rpartition('@') behavior.
+  const schemeMatch = urlStr.match(/^([a-z][a-z0-9+\-.]*):\/\/(.*)$/i);
+  if (!schemeMatch) return urlStr;
+  const [, scheme, rest] = schemeMatch;
+  const hostStart = rest.search(/[/?#]/);
+  const authority = hostStart === -1 ? rest : rest.slice(0, hostStart);
+  const suffix = hostStart === -1 ? "" : rest.slice(hostStart);
+  const atIdx = authority.lastIndexOf("@");
+  if (atIdx === -1) return urlStr;  // no creds
+  const userinfo = authority.slice(0, atIdx);
+  const hostPart = authority.slice(atIdx + 1);
+  // Validate port (matches Python's urlparse().port ValueError guard).
+  // Extract port after last ':' — but skip IPv6 brackets (e.g. [::1]:1080).
+  const bracketEnd = hostPart.lastIndexOf("]");
+  const portColonIdx = hostPart.indexOf(":", Math.max(bracketEnd, 0));
+  if (portColonIdx !== -1) {
+    const portStr = hostPart.slice(portColonIdx + 1);
+    if (portStr && !/^\d+$/.test(portStr)) {
+      console.warn(`[cloakbrowser] Malformed SOCKS5 proxy URL, passing through unchanged: invalid port`);
+      return urlStr;
+    }
+  }
+  const hostAndRest = hostPart + suffix;
+  const colonIdx = userinfo.indexOf(":");
+  const rawUserEnc = colonIdx === -1 ? userinfo : userinfo.slice(0, colonIdx);
+  const hasPassword = colonIdx !== -1;
+  const rawPassEnc = hasPassword ? userinfo.slice(colonIdx + 1) : "";
+  try {
+    const encUser = rawUserEnc ? encodeURIComponent(lenientDecodeURIComponent(rawUserEnc)) : "";
+    const encPass = hasPassword
+      ? (rawPassEnc ? encodeURIComponent(lenientDecodeURIComponent(rawPassEnc)) : "")
+      : null;
+    return assembleSocksUrl(scheme, encUser, encPass, hostAndRest);
+  } catch (e) {
+    console.warn(`[cloakbrowser] Could not normalize SOCKS5 proxy URL, passing through unchanged: ${(e as Error).message}`);
+    return urlStr;
+  }
+}
+
 /**
  * Resolve proxy into Playwright option and/or Chrome args.
  *
@@ -67,7 +155,9 @@ export function resolveProxyConfig(proxy: string | ProxyDict | undefined): Proxy
   if (isSocksProxy(proxy)) {
     // SOCKS5: bypass Playwright, pass directly to Chrome via --proxy-server.
     if (typeof proxy === "string") {
-      return { proxyArgs: [`--proxy-server=${proxy}`] };
+      // Re-encode creds to work around Chromium parser truncating passwords
+      // at '=' and other special chars (#157).
+      return { proxyArgs: [`--proxy-server=${normalizeSocksStringUrl(proxy)}`] };
     }
     const socksUrl = reconstructSocksUrl(proxy);
     const args = [`--proxy-server=${socksUrl}`];

js/src/puppeteer.ts

@@ -94,8 +94,8 @@ export async function launch(options: LaunchOptions = {}): Promise<Browser> {
     const { patchBrowser } = await import('./human-puppeteer/index.js');
     const { resolveConfig } = await import('./human/config.js');
     const cfg = resolveConfig(
-      (options.humanPreset as any) ?? 'default',
-      options.humanConfig as any,
+      options.humanPreset ?? 'default',
+      options.humanConfig,
     );
     patchBrowser(browser, cfg);
   }

js/src/types.ts

@@ -2,6 +2,9 @@
  * Shared types for cloakbrowser launch wrappers.
  */
 
+import type { BrowserContextOptions } from "playwright-core";
+import type { HumanConfig, HumanPreset } from "./human/config.js";
+
 export interface LaunchOptions {
   /** Run in headless mode (default: true). */
   headless?: boolean;
@@ -27,9 +30,9 @@ export interface LaunchOptions {
   /** Enable human-like mouse, keyboard, and scroll behavior. */
   humanize?: boolean;
   /** Human behavior preset: 'default' or 'careful'. */
-  humanPreset?: 'default' | 'careful';
+  humanPreset?: HumanPreset;
   /** Override individual human behavior parameters. */
-  humanConfig?: Record<string, unknown>;
+  humanConfig?: Partial<HumanConfig>;
 }
 
 export interface LaunchContextOptions extends LaunchOptions {
@@ -43,6 +46,15 @@ export interface LaunchContextOptions extends LaunchOptions {
   timezoneId?: string;
   /** Color scheme preference — 'light', 'dark', or 'no-preference'. */
   colorScheme?: "light" | "dark" | "no-preference";
+  /**
+   * Extra options forwarded directly to Playwright's `browser.newContext()` —
+   * e.g. `storageState`, `permissions`, `geolocation`, `extraHTTPHeaders`,
+   * `httpCredentials`. Use this for context-level options not surfaced as
+   * top-level fields. `locale` and `timezoneId` are stripped here to avoid
+   * detectable CDP emulation — use the top-level `locale` and `timezone`
+   * wrapper fields instead (they route through undetectable binary flags).
+   */
+  contextOptions?: BrowserContextOptions;
 }
 
 export interface LaunchPersistentContextOptions extends LaunchContextOptions {

js/tests/humanize.test.ts

@@ -1052,3 +1052,326 @@ function buildMockFrame(): any {
     childFrames: vi.fn(() => []),
   };
 }
+
+// =========================================================================
+// mergeConfig
+// =========================================================================
+describe("mergeConfig", () => {
+  it("returns base unchanged when overrides is undefined/null", async () => {
+    const { mergeConfig, resolveConfig: rc } = await import("../src/human/config.js");
+    const base = rc("default");
+    expect(mergeConfig(base, undefined)).toBe(base);
+    expect(mergeConfig(base, null)).toBe(base);
+  });
+
+  it("creates a new object — base is never mutated", async () => {
+    const { mergeConfig, resolveConfig: rc } = await import("../src/human/config.js");
+    const base = rc("default");
+    const before = base.typing_delay;
+    const merged = mergeConfig(base, { typing_delay: 30 });
+    expect(merged.typing_delay).toBe(30);
+    expect(base.typing_delay).toBe(before);
+    expect(merged).not.toBe(base);
+  });
+
+  it("preserves non-overridden fields", async () => {
+    const { mergeConfig, resolveConfig: rc } = await import("../src/human/config.js");
+    const base = rc("default");
+    const merged = mergeConfig(base, { typing_delay: 30 });
+    expect(merged.mouse_min_steps).toBe(base.mouse_min_steps);
+    expect(merged.mistype_chance).toBe(base.mistype_chance);
+  });
+});
+
+
+// =========================================================================
+// Per-call timeout forwarding (issue #137)
+// =========================================================================
+describe("page.click(selector, { timeout }) forwards timeout to scroll", () => {
+  it("scrollToElement passes timeout to locator.boundingBox()", async () => {
+    const { scrollToElement } = await import("../src/human/scroll.js");
+    const cfg = resolveConfig("default");
+
+    const boundingBox = vi.fn(async () => ({ x: 100, y: 200, width: 50, height: 30 }));
+    const page: any = {
+      viewportSize: () => ({ width: 1280, height: 720 }),
+      locator: vi.fn(() => ({ first: () => ({ boundingBox }) })),
+    };
+    const raw = {
+      move: vi.fn(async () => {}),
+      down: vi.fn(async () => {}),
+      up: vi.fn(async () => {}),
+      wheel: vi.fn(async () => {}),
+    };
+
+    await scrollToElement(page, raw, "#x", 0, 0, cfg, 5000);
+    expect(boundingBox).toHaveBeenCalledWith({ timeout: 5000 });
+  });
+
+  it("default timeout matches Playwright's 30000ms when not specified", async () => {
+    const { scrollToElement } = await import("../src/human/scroll.js");
+    const cfg = resolveConfig("default");
+
+    const boundingBox = vi.fn(async () => ({ x: 100, y: 200, width: 50, height: 30 }));
+    const page: any = {
+      viewportSize: () => ({ width: 1280, height: 720 }),
+      locator: vi.fn(() => ({ first: () => ({ boundingBox }) })),
+    };
+    const raw = {
+      move: vi.fn(async () => {}),
+      down: vi.fn(async () => {}),
+      up: vi.fn(async () => {}),
+      wheel: vi.fn(async () => {}),
+    };
+
+    await scrollToElement(page, raw, "#x", 0, 0, cfg);
+    expect(boundingBox).toHaveBeenCalledWith({ timeout: 30000 });
+  });
+
+  it("page.click({ timeout }) reaches scrollToElement", async () => {
+    const scrollMod = await import("../src/human/scroll.js");
+    const { patchPage } = await import("../src/human/index.js");
+    const cfg = resolveConfig("default", { idle_between_actions: false });
+
+    let captured = -1;
+    const spy = vi.spyOn(scrollMod, "scrollToElement").mockImplementation(
+      async (_page, _raw, _sel, cx, cy, _cfg, timeout?: number) => {
+        captured = timeout ?? -1;
+        return { box: { x: 100, y: 100, width: 50, height: 30 }, cursorX: cx, cursorY: cy };
+      },
+    );
+
+    const page = buildMockPage();
+    const cursor = { x: 100, y: 100, initialized: true };
+    patchPage(page as any, cfg, cursor as any);
+    await (page as any).click("#slow", { timeout: 5000 });
+
+    expect(captured).toBe(5000);
+    spy.mockRestore();
+  });
+});
+
+
+// =========================================================================
+// Per-call human_config override
+// =========================================================================
+describe("page.type / page.fill accept per-call human_config override", () => {
+  it("page.type forwards merged config to humanType", async () => {
+    const keyboardMod = await import("../src/human/keyboard.js");
+    const scrollMod = await import("../src/human/scroll.js");
+    const { patchPage } = await import("../src/human/index.js");
+
+    // Make field_switch_delay tiny so the test runs fast
+    const cfg = resolveConfig("default", {
+      idle_between_actions: false,
+      field_switch_delay: [0, 1],
+    });
+    expect(cfg.typing_delay).toBe(70); // baseline
+
+    let captured: any = null;
+    const typeSpy = vi.spyOn(keyboardMod, "humanType").mockImplementation(
+      async (_page, _raw, _text, callCfg) => { captured = callCfg; },
+    );
+    const scrollSpy = vi.spyOn(scrollMod, "scrollToElement").mockImplementation(
+      async (_page, _raw, _sel, cx, cy) => ({
+        box: { x: 100, y: 100, width: 50, height: 30 },
+        cursorX: cx, cursorY: cy,
+      }),
+    );
+
+    const page = buildMockPage();
+    const cursor = { x: 100, y: 100, initialized: true };
+    patchPage(page as any, cfg, cursor as any);
+
+    await (page as any).type("#email", "hi", {
+      human_config: { typing_delay: 30, mistype_chance: 0 },
+    });
+
+    expect(captured.typing_delay).toBe(30);
+    expect(captured.mistype_chance).toBe(0);
+    // Global cfg untouched
+    expect(cfg.typing_delay).toBe(70);
+
+    typeSpy.mockRestore();
+    scrollSpy.mockRestore();
+  }, 30000);
+
+  it("page.fill forwards merged config to humanType", async () => {
+    const keyboardMod = await import("../src/human/keyboard.js");
+    const scrollMod = await import("../src/human/scroll.js");
+    const { patchPage } = await import("../src/human/index.js");
+
+    const cfg = resolveConfig("default", {
+      idle_between_actions: false,
+      field_switch_delay: [0, 1],
+    });
+
+    let captured: any = null;
+    const typeSpy = vi.spyOn(keyboardMod, "humanType").mockImplementation(
+      async (_page, _raw, _text, callCfg) => { captured = callCfg; },
+    );
+    const scrollSpy = vi.spyOn(scrollMod, "scrollToElement").mockImplementation(
+      async (_page, _raw, _sel, cx, cy) => ({
+        box: { x: 100, y: 100, width: 50, height: 30 },
+        cursorX: cx, cursorY: cy,
+      }),
+    );
+
+    const page = buildMockPage();
+    const cursor = { x: 100, y: 100, initialized: true };
+    patchPage(page as any, cfg, cursor as any);
+
+    await (page as any).fill("#password", "secret", {
+      human_config: { typing_delay: 150 },
+    });
+
+    expect(captured.typing_delay).toBe(150);
+
+    typeSpy.mockRestore();
+    scrollSpy.mockRestore();
+  }, 30000);
+
+  it("el.type forwards human_config to humanType", async () => {
+    const keyboardMod = await import("../src/human/keyboard.js");
+    const { patchSingleElementHandle } = await import("../src/human/elementhandle.js");
+    const cfg = resolveConfig("default", { idle_between_actions: false, mistype_chance: 0 });
+    const cursor = { x: 50, y: 50, initialized: true };
+
+    let captured: any = null;
+    const typeSpy = vi.spyOn(keyboardMod, "humanType").mockImplementation(
+      async (_page, _raw, _text, callCfg) => { captured = callCfg; },
+    );
+
+    const raw = { move: vi.fn(async () => {}), down: vi.fn(async () => {}), up: vi.fn(async () => {}), wheel: vi.fn(async () => {}) };
+    const rawKb = { down: vi.fn(async () => {}), up: vi.fn(async () => {}), type: vi.fn(async () => {}), insertText: vi.fn(async () => {}) };
+    const originals = { keyboardPress: vi.fn(async () => {}), keyboardDown: vi.fn(async () => {}), keyboardUp: vi.fn(async () => {}) };
+
+    const el = buildMockElementHandle({ evaluate: vi.fn(async () => true) });
+    const page = buildMockPage();
+    (page as any)._ensureCursorInit = vi.fn(async () => {});
+
+    patchSingleElementHandle(el, page as any, cfg, cursor as any, raw, rawKb, originals, null);
+
+    await el.type("abc", { human_config: { typing_delay: 25 } });
+    expect(captured.typing_delay).toBe(25);
+
+    typeSpy.mockRestore();
+  }, 30000);
+});
+
+
+// =========================================================================
+// scrollIntoViewIfNeeded humanization
+// =========================================================================
+describe("humanScrollIntoView", () => {
+  it("skips wheel events when element is already in viewport", async () => {
+    const { humanScrollIntoView } = await import("../src/human/scroll.js");
+    const cfg = resolveConfig("default");
+
+    const page: any = { viewportSize: () => ({ width: 1280, height: 720 }) };
+    const raw = {
+      move: vi.fn(async () => {}),
+      down: vi.fn(async () => {}),
+      up: vi.fn(async () => {}),
+      wheel: vi.fn(async () => {}),
+    };
+    // Box centered in viewport — squarely in scroll_target_zone
+    const inViewBox = { x: 200, y: 300, width: 50, height: 30 };
+    const result = await humanScrollIntoView(page, raw, async () => inViewBox, 0, 0, cfg);
+
+    expect(result.box).toEqual(inViewBox);
+    expect(raw.wheel).not.toHaveBeenCalled();
+  });
+
+  it("fires wheel events when element is below the fold", async () => {
+    const { humanScrollIntoView } = await import("../src/human/scroll.js");
+    const cfg = resolveConfig("default", {
+      scroll_overshoot_chance: 0,
+      scroll_pre_move_delay: [0, 1],
+      scroll_pause_fast: [0, 1],
+      scroll_pause_slow: [0, 1],
+      scroll_settle_delay: [0, 1],
+    });
+
+    const page: any = { viewportSize: () => ({ width: 1280, height: 720 }) };
+    const raw = {
+      move: vi.fn(async () => {}),
+      down: vi.fn(async () => {}),
+      up: vi.fn(async () => {}),
+      wheel: vi.fn(async () => {}),
+    };
+
+    const boxes = [
+      { x: 200, y: 2000, width: 50, height: 30 }, // far below
+      { x: 200, y: 1500, width: 50, height: 30 },
+      { x: 200, y: 1000, width: 50, height: 30 },
+      { x: 200, y: 400, width: 50, height: 30 },  // in view
+      { x: 200, y: 400, width: 50, height: 30 },
+      { x: 200, y: 400, width: 50, height: 30 },
+    ];
+    let i = 0;
+    const getBox = async () => boxes[Math.min(i++, boxes.length - 1)];
+
+    await humanScrollIntoView(page, raw, getBox, 0, 0, cfg);
+    expect(raw.wheel).toHaveBeenCalled();
+  }, 15000);
+});
+
+describe("el.scrollIntoViewIfNeeded humanization", () => {
+  it("calls humanScrollIntoView instead of native snap-scroll", async () => {
+    const scrollMod = await import("../src/human/scroll.js");
+    const { patchSingleElementHandle } = await import("../src/human/elementhandle.js");
+
+    let called = 0;
+    const spy = vi.spyOn(scrollMod, "humanScrollIntoView").mockImplementation(
+      async (_p, _raw, _gb, cx, cy) => {
+        called++;
+        return { box: { x: 200, y: 200, width: 50, height: 30 }, cursorX: cx, cursorY: cy };
+      },
+    );
+
+    const cfg = resolveConfig("default", { idle_between_actions: false });
+    const cursor = { x: 50, y: 50, initialized: true };
+    const raw = { move: vi.fn(async () => {}), down: vi.fn(async () => {}), up: vi.fn(async () => {}), wheel: vi.fn(async () => {}) };
+    const rawKb = { down: vi.fn(async () => {}), up: vi.fn(async () => {}), type: vi.fn(async () => {}), insertText: vi.fn(async () => {}) };
+    const originals = { keyboardPress: vi.fn(async () => {}), keyboardDown: vi.fn(async () => {}), keyboardUp: vi.fn(async () => {}) };
+
+    const el = buildMockElementHandle();
+    el.scrollIntoViewIfNeeded = vi.fn(async () => {});
+    const page = buildMockPage();
+    (page as any)._ensureCursorInit = vi.fn(async () => {});
+
+    patchSingleElementHandle(el, page as any, cfg, cursor as any, raw, rawKb, originals, null);
+    await el.scrollIntoViewIfNeeded();
+
+    expect(called).toBeGreaterThan(0);
+    spy.mockRestore();
+  });
+
+  it("falls back to native scrollIntoViewIfNeeded if humanized helper throws", async () => {
+    const scrollMod = await import("../src/human/scroll.js");
+    const { patchSingleElementHandle } = await import("../src/human/elementhandle.js");
+
+    const spy = vi.spyOn(scrollMod, "humanScrollIntoView").mockImplementation(
+      async () => { throw new Error("detached"); },
+    );
+
+    const cfg = resolveConfig("default", { idle_between_actions: false });
+    const cursor = { x: 50, y: 50, initialized: true };
+    const raw = { move: vi.fn(async () => {}), down: vi.fn(async () => {}), up: vi.fn(async () => {}), wheel: vi.fn(async () => {}) };
+    const rawKb = { down: vi.fn(async () => {}), up: vi.fn(async () => {}), type: vi.fn(async () => {}), insertText: vi.fn(async () => {}) };
+    const originals = { keyboardPress: vi.fn(async () => {}), keyboardDown: vi.fn(async () => {}), keyboardUp: vi.fn(async () => {}) };
+
+    const nativeFallback = vi.fn(async () => {});
+    const el = buildMockElementHandle();
+    el.scrollIntoViewIfNeeded = nativeFallback;
+    const page = buildMockPage();
+    (page as any)._ensureCursorInit = vi.fn(async () => {});
+
+    patchSingleElementHandle(el, page as any, cfg, cursor as any, raw, rawKb, originals, null);
+    await el.scrollIntoViewIfNeeded();
+
+    expect(nativeFallback).toHaveBeenCalled();
+    spy.mockRestore();
+  });
+});

js/tests/launch.test.ts

@@ -4,14 +4,20 @@ import { DEFAULT_VIEWPORT, getChromiumVersion } from "../src/config.js";
 
 describe("binaryInfo", () => {
   it("returns correct structure", () => {
-    const info = binaryInfo();
+    const orig = process.env.CLOAKBROWSER_CACHE_DIR;
+    process.env.CLOAKBROWSER_CACHE_DIR = `/tmp/cloakbrowser-test-${Date.now()}`;
+    try {
+      const info = binaryInfo();
 
-    expect(info.version).toBe(getChromiumVersion());
-    expect(info.platform).toMatch(/^(linux|darwin|windows)-(x64|arm64)$/);
-    expect(info.binaryPath).toBeTruthy();
-    expect(typeof info.installed).toBe("boolean");
-    expect(info.cacheDir).toContain("cloakbrowser");
-    expect(info.downloadUrl).toContain(".tar.gz");
+      expect(info.version).toBe(getChromiumVersion());
+      expect(info.platform).toMatch(/^(linux|darwin|windows)-(x64|arm64)$/);
+      expect(info.binaryPath).toBeTruthy();
+      expect(typeof info.installed).toBe("boolean");
+      expect(info.cacheDir).toContain("cloakbrowser");
+    } finally {
+      if (orig) process.env.CLOAKBROWSER_CACHE_DIR = orig;
+      else delete process.env.CLOAKBROWSER_CACHE_DIR;
+    }
   });
 });
 
@@ -130,6 +136,60 @@ describe("launchContext (unit)", () => {
     // Browser also closed
     expect(mockBrowser.close).toHaveBeenCalledOnce();
   });
+
+  it("forwards contextOptions to newContext (storageState, etc.)", async () => {
+    const { launchContext } = await import("../src/playwright.js");
+    await launchContext({
+      contextOptions: {
+        storageState: "state.json",
+        permissions: ["geolocation"],
+      },
+    });
+
+    const ctxArgs = mockBrowser.newContext.mock.calls[0][0];
+    expect(ctxArgs.storageState).toBe("state.json");
+    expect(ctxArgs.permissions).toEqual(["geolocation"]);
+  });
+
+  it("explicit top-level fields win over contextOptions on collision", async () => {
+    const { launchContext } = await import("../src/playwright.js");
+    await launchContext({
+      userAgent: "Explicit/1.0",
+      viewport: { width: 1280, height: 720 },
+      colorScheme: "dark",
+      contextOptions: {
+        userAgent: "ShouldBeOverridden/9.9",
+        viewport: { width: 9999, height: 9999 },
+        colorScheme: "light",
+      },
+    });
+
+    const ctxArgs = mockBrowser.newContext.mock.calls[0][0];
+    expect(ctxArgs.userAgent).toBe("Explicit/1.0");
+    expect(ctxArgs.viewport).toEqual({ width: 1280, height: 720 });
+    expect(ctxArgs.colorScheme).toBe("dark");
+  });
+
+  it("strips locale and timezoneId from contextOptions (stealth-sensitive)", async () => {
+    const warnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+    const { launchContext } = await import("../src/playwright.js");
+    await launchContext({
+      contextOptions: {
+        storageState: "state.json",
+        locale: "de-DE",
+        timezoneId: "Europe/Berlin",
+      },
+    });
+
+    const ctxArgs = mockBrowser.newContext.mock.calls[0][0];
+    // Stealth-sensitive keys stripped — they would reintroduce detectable CDP emulation.
+    expect(ctxArgs.locale).toBeUndefined();
+    expect(ctxArgs.timezoneId).toBeUndefined();
+    // Benign keys preserved
+    expect(ctxArgs.storageState).toBe("state.json");
+    // Warning was logged for both stripped keys
+    expect(warnSpy).toHaveBeenCalledTimes(2);
+  });
 });
 
 describe("launchPersistentContext (unit)", () => {
@@ -207,4 +267,53 @@ describe("launchPersistentContext (unit)", () => {
     expect(args.userAgent).toBe("Custom/1.0");
     expect(args.colorScheme).toBe("dark");
   });
+
+  it("forwards contextOptions to launchPersistentContext", async () => {
+    const { launchPersistentContext } = await import("../src/playwright.js");
+    await launchPersistentContext({
+      userDataDir: "/tmp/profile",
+      contextOptions: {
+        permissions: ["geolocation"],
+        extraHTTPHeaders: { "X-Custom": "1" },
+      },
+    });
+
+    const args = mockChromium.launchPersistentContext.mock.calls[0][1];
+    expect(args.permissions).toEqual(["geolocation"]);
+    expect(args.extraHTTPHeaders).toEqual({ "X-Custom": "1" });
+  });
+
+  it("explicit top-level fields win over contextOptions in persistent context", async () => {
+    const { launchPersistentContext } = await import("../src/playwright.js");
+    await launchPersistentContext({
+      userDataDir: "/tmp/profile",
+      userAgent: "Explicit/1.0",
+      viewport: { width: 1280, height: 720 },
+      contextOptions: {
+        userAgent: "ShouldBeOverridden/9.9",
+        viewport: { width: 9999, height: 9999 },
+      },
+    });
+
+    const args = mockChromium.launchPersistentContext.mock.calls[0][1];
+    expect(args.userAgent).toBe("Explicit/1.0");
+    expect(args.viewport).toEqual({ width: 1280, height: 720 });
+  });
+
+  it("strips locale and timezoneId from contextOptions (persistent context)", async () => {
+    const warnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+    const { launchPersistentContext } = await import("../src/playwright.js");
+    await launchPersistentContext({
+      userDataDir: "/tmp/profile",
+      contextOptions: {
+        locale: "de-DE",
+        timezoneId: "Europe/Berlin",
+      },
+    });
+
+    const args = mockChromium.launchPersistentContext.mock.calls[0][1];
+    expect(args.locale).toBeUndefined();
+    expect(args.timezoneId).toBeUndefined();
+    expect(warnSpy).toHaveBeenCalledTimes(2);
+  });
 });

js/tests/proxy.test.ts

@@ -191,8 +191,7 @@ describe("resolveProxyConfig", () => {
       password: "p@ss",
     });
     expect(proxyOption).toBeUndefined();
-    expect(proxyArgs.length).toBe(1);
-    expect(proxyArgs[0]).toContain("--proxy-server=socks5://user:p%40ss@host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:p%40ss@host:1080"]);
   });
 
   it("includes bypass for socks5 dict", () => {
@@ -203,4 +202,64 @@ describe("resolveProxyConfig", () => {
     expect(proxyArgs).toContain("--proxy-server=socks5://host:1080");
     expect(proxyArgs).toContain("--proxy-bypass-list=.example.com");
   });
+
+  // Chromium's --proxy-server parser truncates passwords at '=' (#157).
+  // Wrapper must auto URL-encode before passing to Chrome.
+  it("encodes '=' in socks5 string password", () => {
+    const { proxyArgs } = resolveProxyConfig("socks5://user:pass=123@host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:pass%3D123@host:1080"]);
+  });
+
+  it("encoding is idempotent for already-encoded socks5 string", () => {
+    const { proxyArgs } = resolveProxyConfig("socks5://user:pass%3D123@host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:pass%3D123@host:1080"]);
+  });
+
+  it("leaves socks5 string without creds unchanged", () => {
+    const { proxyArgs } = resolveProxyConfig("socks5://host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://host:1080"]);
+  });
+
+  it("encodes password even with empty username (password-only userinfo)", () => {
+    // Regression: empty-username bypass would skip encoding, leaving the
+    // Chromium truncation bug alive for this userinfo shape.
+    const { proxyArgs } = resolveProxyConfig("socks5://:pass=123@host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://:pass%3D123@host:1080"]);
+  });
+
+  it("handles literal '%' in password without throwing (malformed escape)", () => {
+    // JS's decodeURIComponent throws on '%sure' (% not followed by 2 hex digits).
+    // Must fall back to treating '%' as literal and percent-encoding it.
+    const { proxyArgs } = resolveProxyConfig("socks5://user:100%sure@host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:100%25sure@host:1080"]);
+  });
+
+  it("passes malformed SOCKS5 URLs through unchanged (no throw)", () => {
+    // Broken IPv6 bracket — wrapper must not throw;
+    // Chromium will surface its own error.
+    const { proxyArgs: a1 } = resolveProxyConfig("socks5://user:pass@[::1");
+    expect(a1).toEqual(["--proxy-server=socks5://user:pass@[::1"]);
+  });
+
+  it("passes non-numeric port through unchanged", () => {
+    const { proxyArgs } = resolveProxyConfig("socks5://user:pass@host:abc");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:pass@host:abc"]);
+  });
+
+  it("encodes special chars in IPv6 SOCKS5 string password", () => {
+    const { proxyArgs } = resolveProxyConfig("socks5://user:pass=eq@[::1]:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:pass%3Deq@[::1]:1080"]);
+  });
+
+  // Regression #157: userinfo must be split at the LAST '@' (RFC 3986),
+  // not the first, so raw '@' in a password parses correctly.
+  it("encodes raw '@' in socks5 string password (last-@ split)", () => {
+    const { proxyArgs } = resolveProxyConfig("socks5://user:p@ss@host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:p%40ss@host:1080"]);
+  });
+
+  it("handles multiple raw '@' in password (splits at last)", () => {
+    const { proxyArgs } = resolveProxyConfig("socks5://user:a@b@c@host:1080");
+    expect(proxyArgs).toEqual(["--proxy-server=socks5://user:a%40b%40c@host:1080"]);
+  });
 });

js/tests/stealth.puppeteer.test.ts

@@ -1671,11 +1671,13 @@ describe("Puppeteer: isInputElement stealth integration via patchPage", () => {
       }),
     });
 
+    const mockEl = buildMockElementHandle();
     const page = buildMockPage({
       evaluate: vi.fn(async (...args: any[]) => {
         evaluateCalls.push(args);
         return false;
       }),
+      $: vi.fn(async () => mockEl),
     });
     page.createCDPSession = vi.fn(async () => mockCdp);
 

js/tests/update.test.ts

@@ -320,8 +320,14 @@ describe("download fallback", () => {
 
 describe("effective version", () => {
   it("returns platform version when no marker exists", () => {
-    // Default behavior — no marker file in test environment
-    expect(getEffectiveVersion()).toBe(getChromiumVersion());
+    const orig = process.env.CLOAKBROWSER_CACHE_DIR;
+    process.env.CLOAKBROWSER_CACHE_DIR = `/tmp/cloakbrowser-test-${Date.now()}`;
+    try {
+      expect(getEffectiveVersion()).toBe(getChromiumVersion());
+    } finally {
+      if (orig) process.env.CLOAKBROWSER_CACHE_DIR = orig;
+      else delete process.env.CLOAKBROWSER_CACHE_DIR;
+    }
   });
 });
 

tests/test_humanize_unit.py

@@ -1296,6 +1296,459 @@ class TestAsyncElementHandle:
         await browser.close()
 
 
+# =========================================================================
+# 15. Per-call timeout forwarding (issue #137)
+# =========================================================================
+
+class TestPerCallTimeoutForwarding:
+    """page.click('#x', timeout=5000) must forward 5000 to bounding_box(),
+    not silently use the hardcoded 2000ms in scroll."""
+
+    def test_get_element_box_default_timeout(self):
+        """Default timeout matches Playwright's 30000ms."""
+        from cloakbrowser.human.scroll import _get_element_box
+        from unittest.mock import MagicMock
+
+        page = MagicMock()
+        loc = MagicMock()
+        loc.bounding_box = MagicMock(return_value={"x": 0, "y": 0, "width": 1, "height": 1})
+        page.locator = MagicMock(return_value=MagicMock(first=loc))
+
+        _get_element_box(page, "#x")
+        loc.bounding_box.assert_called_once_with(timeout=30000)
+
+    def test_get_element_box_custom_timeout(self):
+        """Caller can pass a custom timeout that overrides the default."""
+        from cloakbrowser.human.scroll import _get_element_box
+        from unittest.mock import MagicMock
+
+        page = MagicMock()
+        loc = MagicMock()
+        loc.bounding_box = MagicMock(return_value={"x": 0, "y": 0, "width": 1, "height": 1})
+        page.locator = MagicMock(return_value=MagicMock(first=loc))
+
+        _get_element_box(page, "#x", timeout=5000)
+        loc.bounding_box.assert_called_once_with(timeout=5000)
+
+    def test_scroll_to_element_forwards_timeout(self):
+        """scroll_to_element passes timeout through to bounding_box()."""
+        from cloakbrowser.human.scroll import scroll_to_element
+        from cloakbrowser.human.config import resolve_config
+        from unittest.mock import MagicMock
+
+        cfg = resolve_config("default", None)
+        page = MagicMock()
+        page.viewport_size = {"width": 1280, "height": 720}
+        loc = MagicMock()
+        # Already in viewport so we don't actually scroll — just verify
+        # the timeout was forwarded on the first bounding_box() call.
+        loc.bounding_box = MagicMock(return_value={"x": 100, "y": 200, "width": 50, "height": 30})
+        page.locator = MagicMock(return_value=MagicMock(first=loc))
+
+        raw = MagicMock()
+        scroll_to_element(page, raw, "#x", 0, 0, cfg, timeout=7500)
+        loc.bounding_box.assert_called_with(timeout=7500)
+
+    def test_page_click_forwards_timeout_kwarg(self):
+        """page.click(selector, timeout=...) reaches scroll_to_element.
+
+        Patches scroll_to_element module-side via monkey-patching the
+        cloakbrowser.human module attribute used by patch_page.
+        """
+        import cloakbrowser.human as h
+        from cloakbrowser.human import _CursorState
+        from cloakbrowser.human.config import resolve_config
+        from unittest.mock import MagicMock, patch
+
+        cfg = resolve_config("default", {"idle_between_actions": False})
+        cursor = _CursorState()
+        cursor.initialized = True
+        cursor.x = 100
+        cursor.y = 100
+
+        # Build a minimal page mock
+        page = MagicMock()
+        page.click = MagicMock()
+        page.dblclick = MagicMock()
+        page.hover = MagicMock()
+        page.type = MagicMock()
+        page.fill = MagicMock()
+        page.goto = MagicMock()
+        page.is_checked = MagicMock(return_value=False)
+        page.viewport_size = {"width": 1280, "height": 720}
+        page.evaluate = MagicMock(return_value=False)
+        page.context.new_cdp_session = MagicMock(side_effect=Exception("no cdp"))
+        page.mouse = MagicMock()
+        page.keyboard = MagicMock()
+        page.query_selector = MagicMock(return_value=None)
+        page.query_selector_all = MagicMock(return_value=[])
+        page.wait_for_selector = MagicMock(return_value=None)
+        page.main_frame = MagicMock()
+        page.main_frame.child_frames = []
+
+        captured = {}
+        def fake_scroll(page_arg, raw, selector, cx, cy, cfg_arg, timeout=30000):
+            captured["timeout"] = timeout
+            return ({"x": 100, "y": 100, "width": 50, "height": 30}, cx, cy)
+
+        with patch.object(h, "scroll_to_element", side_effect=fake_scroll):
+            h.patch_page(page, cfg, cursor)
+            page.click("#slow-button", timeout=5000)
+
+        assert captured.get("timeout") == 5000, f"expected 5000, got {captured}"
+
+
+# =========================================================================
+# 16. Per-call human_config override (typing speed customization)
+# =========================================================================
+
+class TestPerCallHumanConfigOverride:
+    """page.type('#email', text, human_config={'typing_delay': 30}) lets users
+    override typing speed (and any other HumanConfig field) on a per-call
+    basis without re-patching the page."""
+
+    def test_merge_config_creates_new_instance(self):
+        from cloakbrowser.human.config import resolve_config, merge_config
+
+        base = resolve_config("default", None)
+        merged = merge_config(base, {"typing_delay": 30})
+
+        assert merged.typing_delay == 30
+        assert base.typing_delay != 30  # not mutated
+        # Non-overridden fields are preserved
+        assert merged.mouse_min_steps == base.mouse_min_steps
+
+    def test_merge_config_none_returns_base(self):
+        from cloakbrowser.human.config import resolve_config, merge_config
+
+        base = resolve_config("default", None)
+        merged = merge_config(base, None)
+        assert merged is base
+
+    def test_merge_config_ignores_unknown_keys(self):
+        from cloakbrowser.human.config import resolve_config, merge_config
+
+        base = resolve_config("default", None)
+        # ``not_a_real_field`` is silently dropped — callers shouldn't crash
+        # if they pass typos or future field names.
+        merged = merge_config(base, {"typing_delay": 30, "not_a_real_field": 99})
+        assert merged.typing_delay == 30
+
+    def test_page_type_uses_per_call_typing_delay(self):
+        """page.type(..., human_config={'typing_delay': 30}) reaches human_type
+        with cfg.typing_delay == 30 even when patch was done with default 70."""
+        import cloakbrowser.human as h
+        from cloakbrowser.human import _CursorState
+        from cloakbrowser.human.config import resolve_config
+        from unittest.mock import MagicMock, patch
+
+        cfg = resolve_config("default", {
+            "idle_between_actions": False,
+            "field_switch_delay": (0, 1),
+        })
+        assert cfg.typing_delay == 70  # baseline
+
+        cursor = _CursorState()
+        cursor.initialized = True
+        cursor.x = 100
+        cursor.y = 100
+
+        page = MagicMock()
+        page.click = MagicMock()
+        page.dblclick = MagicMock()
+        page.hover = MagicMock()
+        page.type = MagicMock()
+        page.fill = MagicMock()
+        page.goto = MagicMock()
+        page.is_checked = MagicMock(return_value=False)
+        page.viewport_size = {"width": 1280, "height": 720}
+        page.evaluate = MagicMock(return_value=False)
+        page.context.new_cdp_session = MagicMock(side_effect=Exception("no cdp"))
+        page.mouse = MagicMock()
+        page.keyboard = MagicMock()
+        page.query_selector = MagicMock(return_value=None)
+        page.query_selector_all = MagicMock(return_value=[])
+        page.wait_for_selector = MagicMock(return_value=None)
+        page.main_frame = MagicMock()
+        page.main_frame.child_frames = []
+
+        captured = {}
+        def fake_human_type(page_arg, raw, text, cfg_arg, cdp_session=None):
+            captured["typing_delay"] = cfg_arg.typing_delay
+            captured["mistype_chance"] = cfg_arg.mistype_chance
+
+        def fake_scroll(*args, **kwargs):
+            return ({"x": 100, "y": 100, "width": 50, "height": 30}, 100, 100)
+
+        with patch.object(h, "human_type", side_effect=fake_human_type), \
+             patch.object(h, "scroll_to_element", side_effect=fake_scroll):
+            h.patch_page(page, cfg, cursor)
+            page.type(
+                "#email", "hi",
+                human_config={"typing_delay": 30, "mistype_chance": 0},
+            )
+
+        assert captured["typing_delay"] == 30
+        assert captured["mistype_chance"] == 0
+        # Global cfg untouched — per-call override doesn't leak
+        assert cfg.typing_delay == 70
+
+    def test_page_fill_uses_per_call_typing_delay(self):
+        """Same as type, but for fill (which also clears the field first)."""
+        import cloakbrowser.human as h
+        from cloakbrowser.human import _CursorState
+        from cloakbrowser.human.config import resolve_config
+        from unittest.mock import MagicMock, patch
+
+        cfg = resolve_config("default", {
+            "idle_between_actions": False,
+            "field_switch_delay": (0, 1),
+        })
+        cursor = _CursorState()
+        cursor.initialized = True
+        cursor.x = 100
+        cursor.y = 100
+
+        page = MagicMock()
+        page.viewport_size = {"width": 1280, "height": 720}
+        page.is_checked = MagicMock(return_value=False)
+        page.evaluate = MagicMock(return_value=False)
+        page.context.new_cdp_session = MagicMock(side_effect=Exception("no cdp"))
+        page.mouse = MagicMock()
+        page.keyboard = MagicMock()
+        page.query_selector = MagicMock(return_value=None)
+        page.query_selector_all = MagicMock(return_value=[])
+        page.wait_for_selector = MagicMock(return_value=None)
+        page.main_frame = MagicMock()
+        page.main_frame.child_frames = []
+
+        captured = {}
+        def fake_human_type(page_arg, raw, text, cfg_arg, cdp_session=None):
+            captured["typing_delay"] = cfg_arg.typing_delay
+
+        def fake_scroll(*args, **kwargs):
+            return ({"x": 100, "y": 100, "width": 50, "height": 30}, 100, 100)
+
+        with patch.object(h, "human_type", side_effect=fake_human_type), \
+             patch.object(h, "scroll_to_element", side_effect=fake_scroll):
+            h.patch_page(page, cfg, cursor)
+            page.fill("#password", "secret", human_config={"typing_delay": 150})
+
+        assert captured["typing_delay"] == 150
+
+    def test_element_handle_type_uses_per_call_human_config(self):
+        """el.type(text, human_config={...}) merges per-call overrides on the
+        ElementHandle path (which doesn't go through page.type)."""
+        from cloakbrowser.human import _patch_single_element_handle_sync, _CursorState
+        from cloakbrowser.human.config import resolve_config
+        import cloakbrowser.human as h
+        from unittest.mock import MagicMock, patch
+
+        cfg = resolve_config("default", {
+            "idle_between_actions": False,
+            "field_switch_delay": (0, 1),
+        })
+        cursor = _CursorState()
+        cursor.initialized = True
+        cursor.x = 50
+        cursor.y = 50
+
+        page = MagicMock()
+        page.viewport_size = {"width": 1280, "height": 720}
+        page._original = MagicMock()
+
+        el = MagicMock()
+        el._human_patched = False
+        el.bounding_box = MagicMock(
+            return_value={"x": 200, "y": 200, "width": 100, "height": 30}
+        )
+        el.evaluate = MagicMock(return_value=True)
+        el.is_checked = MagicMock(return_value=False)
+        el.query_selector = MagicMock(return_value=None)
+        el.query_selector_all = MagicMock(return_value=[])
+        el.wait_for_selector = MagicMock(return_value=None)
+        el.scroll_into_view_if_needed = MagicMock()
+
+        raw_mouse = MagicMock()
+        raw_keyboard = MagicMock()
+
+        captured = {}
+        def fake_human_type(page_arg, raw, text, cfg_arg, cdp_session=None):
+            captured["typing_delay"] = cfg_arg.typing_delay
+
+        with patch.object(h, "human_type", side_effect=fake_human_type):
+            _patch_single_element_handle_sync(
+                el, page, cfg, cursor, raw_mouse, raw_keyboard,
+                page._original, None, None,
+            )
+            el.type("abc", human_config={"typing_delay": 25})
+
+        assert captured["typing_delay"] == 25
+
+
+# =========================================================================
+# 17. scroll_into_view_if_needed humanization
+# =========================================================================
+
+class TestScrollIntoViewIfNeeded:
+    """scroll_into_view_if_needed should run through the same
+    accelerate → cruise → decelerate → overshoot wheel sequence as page.click—
+    not Playwright's instant-snap default."""
+
+    def test_human_scroll_into_view_skips_when_in_viewport(self):
+        """Already-visible elements: no wheel events, just return."""
+        from cloakbrowser.human.scroll import human_scroll_into_view
+        from cloakbrowser.human.config import resolve_config
+        from unittest.mock import MagicMock
+
+        cfg = resolve_config("default", None)
+        page = MagicMock()
+        page.viewport_size = {"width": 1280, "height": 720}
+        raw = MagicMock()
+        # Box is dead-center of viewport — squarely in scroll_target_zone
+        in_view_box = {"x": 200, "y": 300, "width": 50, "height": 30}
+
+        box, cx, cy = human_scroll_into_view(
+            page, raw, lambda: in_view_box, 0, 0, cfg,
+        )
+        assert box == in_view_box
+        assert not raw.wheel.called, "In-viewport elements shouldn't trigger wheel events"
+
+    def test_human_scroll_into_view_scrolls_when_below_fold(self):
+        """Below-fold elements: wheel events fire, eventually box becomes visible."""
+        from cloakbrowser.human.scroll import human_scroll_into_view
+        from cloakbrowser.human.config import resolve_config
+        from unittest.mock import MagicMock
+
+        cfg = resolve_config("default", {
+            "scroll_overshoot_chance": 0,        # deterministic
+            "scroll_pre_move_delay": (0, 1),
+            "scroll_pause_fast": (0, 1),
+            "scroll_pause_slow": (0, 1),
+            "scroll_settle_delay": (0, 1),
+        })
+        page = MagicMock()
+        page.viewport_size = {"width": 1280, "height": 720}
+        raw = MagicMock()
+
+        # First box is far below the fold; subsequent boxes "come into view"
+        # so the loop terminates after a few wheel bursts.
+        boxes = [
+            {"x": 200, "y": 2000, "width": 50, "height": 30},
+            {"x": 200, "y": 1500, "width": 50, "height": 30},
+            {"x": 200, "y": 1000, "width": 50, "height": 30},
+            {"x": 200, "y": 400, "width": 50, "height": 30},   # in viewport
+            {"x": 200, "y": 400, "width": 50, "height": 30},
+            {"x": 200, "y": 400, "width": 50, "height": 30},
+        ]
+        idx = {"i": 0}
+        def get_box():
+            i = min(idx["i"], len(boxes) - 1)
+            idx["i"] += 1
+            return boxes[i]
+
+        human_scroll_into_view(page, raw, get_box, 0, 0, cfg)
+        assert raw.wheel.called, "Below-fold scroll should produce wheel events"
+
+    def test_element_handle_scroll_into_view_if_needed_humanized(self):
+        """el.scroll_into_view_if_needed() routes through human_scroll_into_view."""
+        from cloakbrowser.human import _patch_single_element_handle_sync, _CursorState
+        from cloakbrowser.human.config import resolve_config
+        import cloakbrowser.human as h
+        from unittest.mock import MagicMock, patch
+
+        cfg = resolve_config("default", None)
+        cursor = _CursorState()
+        cursor.initialized = True
+        cursor.x = 50
+        cursor.y = 50
+
+        page = MagicMock()
+        page.viewport_size = {"width": 1280, "height": 720}
+        page._original = MagicMock()
+
+        el = MagicMock()
+        el._human_patched = False
+        el.bounding_box = MagicMock(
+            return_value={"x": 200, "y": 200, "width": 50, "height": 30}
+        )
+        el.evaluate = MagicMock(return_value=False)
+        el.is_checked = MagicMock(return_value=False)
+        el.query_selector = MagicMock(return_value=None)
+        el.query_selector_all = MagicMock(return_value=[])
+        el.wait_for_selector = MagicMock(return_value=None)
+        # Make sure the original method exists so the patch is wired up
+        el.scroll_into_view_if_needed = MagicMock()
+
+        called = {"count": 0}
+        def fake(*args, **kwargs):
+            called["count"] += 1
+            return ({"x": 200, "y": 200, "width": 50, "height": 30}, 100, 100)
+
+        with patch.object(h, "human_scroll_into_view", side_effect=fake):
+            _patch_single_element_handle_sync(
+                el, page, cfg, cursor, MagicMock(), MagicMock(),
+                page._original, None, None,
+            )
+            # Patched method should now invoke our humanized helper
+            el.scroll_into_view_if_needed()
+
+        assert called["count"] >= 1, "humanized scroll helper was never called"
+
+    def test_locator_scroll_into_view_if_needed_humanized(self):
+        """Locator.scroll_into_view_if_needed() also goes through humanized scroll."""
+        import cloakbrowser.human as h
+        from cloakbrowser.human import _CursorState
+        from cloakbrowser.human.config import resolve_config
+        from unittest.mock import MagicMock, patch
+
+        # Patch Locator class fresh
+        _ensure_locator_patched()
+
+        from playwright.sync_api._generated import Locator
+
+        cfg = resolve_config("default", None)
+        cursor = _CursorState()
+        cursor.x = 50
+        cursor.y = 50
+        cursor.initialized = True
+
+        page = MagicMock()
+        page._original = MagicMock()
+        page._human_cfg = cfg
+        page._human_cursor = cursor
+        page._human_raw_mouse = MagicMock()
+        page.viewport_size = {"width": 1280, "height": 720}
+
+        # Build a Locator-like object satisfying the patched method
+        loc = MagicMock(spec=Locator)
+        loc.page = page
+        impl_obj = MagicMock()
+        impl_obj._selector = "#x"
+        loc._impl_obj = impl_obj
+        loc.bounding_box = MagicMock(
+            return_value={"x": 100, "y": 100, "width": 50, "height": 30}
+        )
+
+        called = {"count": 0, "cfg": None}
+        def fake(*args, **kwargs):
+            called["count"] += 1
+            # cfg is the 6th positional arg (page, raw, get_box, cx, cy, cfg)
+            called["cfg"] = args[5] if len(args) >= 6 else kwargs.get("cfg")
+            return ({"x": 100, "y": 100, "width": 50, "height": 30}, 200, 200)
+
+        with patch.object(h, "human_scroll_into_view", side_effect=fake):
+            Locator.scroll_into_view_if_needed(
+                loc, human_config={"scroll_overshoot_chance": 0.5},
+            )
+
+        assert called["count"] == 1
+        # Per-call override merged into the cfg passed downstream
+        assert called["cfg"].scroll_overshoot_chance == 0.5
+        # Cursor was updated from the helper's return value
+        assert cursor.x == 200 and cursor.y == 200
+
+
 # =========================================================================
 # Direct runner (backwards compat)
 # =========================================================================

tests/test_launch_context.py

@@ -1,6 +1,6 @@
 """Unit tests for launch_context() — context kwargs, viewport defaults, close cleanup."""
 
-from unittest.mock import MagicMock, call, patch
+from unittest.mock import AsyncMock, MagicMock, call, patch
 
 import pytest
 
@@ -207,3 +207,125 @@ def test_kwargs_passthrough(mock_launch, _mock_bin):
     # Verify kwarg did NOT leak to launch()
     launch_kwargs = mock_launch.call_args[1]
     assert "record_video_dir" not in launch_kwargs
+
+
+# ---------------------------------------------------------------------------
+# Async: launch_context_async()
+# ---------------------------------------------------------------------------
+
+
+def _make_mock_async_browser():
+    """Create a mock async browser whose new_context() returns a mock context."""
+    browser = AsyncMock()
+    context = AsyncMock()
+    browser.new_context.return_value = context
+    return browser, context
+
+
+@pytest.mark.asyncio
+@patch("cloakbrowser.browser.ensure_binary", return_value="/fake/chrome")
+@patch("cloakbrowser.browser.launch_async")
+async def test_async_storage_state_forwarded(mock_launch_async, _mock_bin):
+    """storage_state kwarg forwarded to browser.new_context() in async path.
+
+    This is the motivating use case from issue #141.
+    """
+    browser, context = _make_mock_async_browser()
+    mock_launch_async.return_value = browser
+
+    from cloakbrowser.browser import launch_context_async
+    await launch_context_async(storage_state="state.json")
+
+    ctx_kwargs = browser.new_context.call_args
+    assert ctx_kwargs[1]["storage_state"] == "state.json"
+
+
+@pytest.mark.asyncio
+@patch("cloakbrowser.browser.ensure_binary", return_value="/fake/chrome")
+@patch("cloakbrowser.browser.launch_async")
+async def test_async_default_viewport(mock_launch_async, _mock_bin):
+    """DEFAULT_VIEWPORT applied when no viewport given (async)."""
+    browser, context = _make_mock_async_browser()
+    mock_launch_async.return_value = browser
+
+    from cloakbrowser.browser import launch_context_async
+    await launch_context_async()
+
+    ctx_kwargs = browser.new_context.call_args
+    assert ctx_kwargs[1]["viewport"] == DEFAULT_VIEWPORT
+
+
+@pytest.mark.asyncio
+@patch("cloakbrowser.browser.ensure_binary", return_value="/fake/chrome")
+@patch("cloakbrowser.browser.launch_async")
+async def test_async_locale_flows_to_binary_not_cdp(mock_launch_async, _mock_bin):
+    """locale flows to launch_async() for --lang flag, NOT to new_context() CDP."""
+    browser, context = _make_mock_async_browser()
+    mock_launch_async.return_value = browser
+
+    from cloakbrowser.browser import launch_context_async
+    await launch_context_async(locale="de-DE", timezone="Europe/Berlin")
+
+    # Binary flags
+    assert mock_launch_async.call_args[1]["locale"] == "de-DE"
+    assert mock_launch_async.call_args[1]["timezone"] == "Europe/Berlin"
+    # Not in context — would trigger detectable CDP emulation
+    ctx_kwargs = browser.new_context.call_args
+    assert "locale" not in ctx_kwargs[1]
+    assert "timezone_id" not in ctx_kwargs[1]
+
+
+@pytest.mark.asyncio
+@patch("cloakbrowser.browser.ensure_binary", return_value="/fake/chrome")
+@patch("cloakbrowser.browser.launch_async")
+async def test_async_close_closes_browser(mock_launch_async, _mock_bin):
+    """await ctx.close() also closes the underlying browser."""
+    browser, context = _make_mock_async_browser()
+    original_ctx_close = context.close
+    mock_launch_async.return_value = browser
+
+    from cloakbrowser.browser import launch_context_async
+    ctx = await launch_context_async()
+
+    await ctx.close()
+    original_ctx_close.assert_called_once()
+    browser.close.assert_called_once()
+
+
+@pytest.mark.asyncio
+@patch("cloakbrowser.browser.ensure_binary", return_value="/fake/chrome")
+@patch("cloakbrowser.browser.launch_async")
+async def test_async_error_closes_browser(mock_launch_async, _mock_bin):
+    """If new_context() raises in async path, browser is still closed."""
+    browser = AsyncMock()
+    browser.new_context.side_effect = RuntimeError("context creation failed")
+    mock_launch_async.return_value = browser
+
+    from cloakbrowser.browser import launch_context_async
+    with pytest.raises(RuntimeError, match="context creation failed"):
+        await launch_context_async()
+
+    browser.close.assert_called_once()
+
+
+@pytest.mark.asyncio
+@patch("cloakbrowser.browser.ensure_binary", return_value="/fake/chrome")
+@patch("cloakbrowser.browser.launch_async")
+async def test_async_cancellation_closes_browser(mock_launch_async, _mock_bin):
+    """asyncio.CancelledError during new_context() still closes browser.
+
+    CancelledError derives from BaseException (not Exception) in Python 3.8+,
+    so the cleanup must catch BaseException to prevent browser process leaks
+    when the awaiting task is cancelled.
+    """
+    import asyncio
+
+    browser = AsyncMock()
+    browser.new_context.side_effect = asyncio.CancelledError()
+    mock_launch_async.return_value = browser
+
+    from cloakbrowser.browser import launch_context_async
+    with pytest.raises(asyncio.CancelledError):
+        await launch_context_async()
+
+    browser.close.assert_called_once()

tests/test_proxy.py

@@ -266,3 +266,75 @@ class TestResolveProxyConfig:
         assert kwargs == {}
         assert "--proxy-server=socks5://host:1080" in args
         assert "--proxy-bypass-list=.example.com" in args
+
+    def test_socks5_string_encodes_equals_in_password(self):
+        # Chromium's --proxy-server parser truncates passwords at '=' (#157).
+        # Wrapper must auto URL-encode before passing to Chrome.
+        _, args = _resolve_proxy_config("socks5://user:pass=123@host:1080")
+        assert args == ["--proxy-server=socks5://user:pass%3D123@host:1080"]
+
+    def test_socks5_string_encodes_at_in_password(self):
+        _, args = _resolve_proxy_config("socks5://user:p@ss@host:1080")
+        # Note: parsing "user:p@ss@host" — urlparse takes everything up to LAST @
+        # as userinfo, so password = "p@ss".
+        assert args == ["--proxy-server=socks5://user:p%40ss@host:1080"]
+
+    def test_socks5_string_encoding_idempotent(self):
+        # Already-encoded input should remain encoded (not double-encoded).
+        _, args = _resolve_proxy_config("socks5://user:pass%3D123@host:1080")
+        assert args == ["--proxy-server=socks5://user:pass%3D123@host:1080"]
+
+    def test_socks5_string_no_creds_unchanged(self):
+        _, args = _resolve_proxy_config("socks5://host:1080")
+        assert args == ["--proxy-server=socks5://host:1080"]
+
+    def test_socks5_string_password_only_still_encoded(self):
+        # Empty username with password: fix must still re-encode the password
+        # (regression test for empty-username bypass).
+        _, args = _resolve_proxy_config("socks5://:pass=123@host:1080")
+        assert args == ["--proxy-server=socks5://:pass%3D123@host:1080"]
+
+    def test_socks5_string_empty_password_preserves_colon(self):
+        # `user:@host` (empty password) must NOT collapse to `user@host` —
+        # semantics differ between the two forms.
+        _, args = _resolve_proxy_config("socks5://user:@host:1080")
+        assert args == ["--proxy-server=socks5://user:@host:1080"]
+
+    def test_socks5_string_literal_percent_in_password(self):
+        # Literal '%' not followed by 2 hex digits must be encoded as '%25'
+        # so Chrome decodes it back to '%'. Must not crash.
+        _, args = _resolve_proxy_config("socks5://user:100%sure@host:1080")
+        assert args == ["--proxy-server=socks5://user:100%25sure@host:1080"]
+
+    def test_socks5_string_malformed_port_passes_through(self, caplog):
+        # Invalid port (non-numeric) raises in urlparse.port. Wrapper should
+        # log a warning and pass original through to Chromium.
+        import logging
+        with caplog.at_level(logging.WARNING, logger="cloakbrowser"):
+            _, args = _resolve_proxy_config("socks5://user:pass@host:abc")
+        assert args == ["--proxy-server=socks5://user:pass@host:abc"]
+        assert any("Malformed SOCKS5" in r.message for r in caplog.records)
+
+    def test_socks5_string_malformed_ipv6_passes_through(self, caplog):
+        # Broken IPv6 bracket — must not crash, and must reach Chromium
+        # verbatim so its own error surfaces instead of a silent rewrite.
+        import logging
+        with caplog.at_level(logging.WARNING, logger="cloakbrowser"):
+            _, args = _resolve_proxy_config("socks5://user:pass@[::1")
+        assert args == ["--proxy-server=socks5://user:pass@[::1"]
+
+    def test_socks5_string_preserves_path_and_query(self):
+        # Nonstandard for SOCKS5, but don't silently drop user-supplied suffixes.
+        # Matches JS behavior.
+        _, args = _resolve_proxy_config("socks5://user:pass@host:1080/p?x=1#f")
+        assert args[0] == "--proxy-server=socks5://user:pass@host:1080/p?x=1#f"
+
+    def test_socks5_string_ipv6_with_special_char_password(self):
+        # IPv6 host + special char in password — both must be handled.
+        _, args = _resolve_proxy_config("socks5://user:pass=eq@[::1]:1080")
+        assert args[0] == "--proxy-server=socks5://user:pass%3Deq@[::1]:1080"
+
+    def test_socks5_string_port_zero_preserved(self):
+        # Port 0 is an unusual but valid URL component; don't silently strip it.
+        _, args = _resolve_proxy_config("socks5://user:pass=1@host:0")
+        assert args[0] == "--proxy-server=socks5://user:pass%3D1@host:0"