chore: bump version to 0.16.4

bundles/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-08-14T00:00:00Z",
+  "updated_at": "2026-07-22T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/bundles/catalog.community.json",
   "bundles": {
     "sicario-spec": {
@@ -30,28 +30,6 @@
         "threat-modeling"
       ],
       "verified": false
-    },
-    "specassay": {
-      "name": "SpecAssay",
-      "id": "specassay",
-      "version": "0.3.4",
-      "role": "developer",
-      "description": "Durable-ID promotion for stock Spec Kit: templates, Gate 2 refusal, and trace-manifest emission.",
-      "author": "Rik Dryfoos",
-      "license": "MIT",
-      "download_url": "https://github.com/rdryfoos/specassay/releases/download/v0.3.4/specassay-0.3.4.zip",
-      "repository": "https://github.com/rdryfoos/specassay",
-      "requires": {
-        "speckit_version": ">=0.14.0"
-      },
-      "provides": {
-        "extensions": 1,
-        "presets": 1,
-        "steps": 0,
-        "workflows": 0
-      },
-      "tags": ["traceability", "governance", "durable-ids", "gate", "sdd"],
-      "verified": false
     }
   }
 }

docs/community/bundles.md

@@ -10,7 +10,6 @@ Accepted community bundle entries are published in [`bundles/catalog.community.j
 | Bundle | Purpose | Role or team | Provides | Required catalogs | URL |
 |--------|---------|--------------|----------|-------------------|-----|
 | SicarioSpec Security & Governance Bundle | Secure-by-default governance bundle for GitHub Spec Kit. Enforces data classification, threat modeling, and code-owned verification gates. | `security-engineer` | 1 extension, 11 presets | Documented | [sicario-spec](https://github.com/dfirs1car1o/sicario-spec) |
-| SpecAssay | Durable-ID promotion for stock Spec Kit: templates, Gate 2 refusal, and trace-manifest emission. | `developer` | 1 extension, 1 preset | Documented | [specassay](https://github.com/rdryfoos/specassay) |
 
 ## What to Submit
 

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "specify-cli"
-version = "0.16.5.dev0"
+version = "0.16.4"
 description = "Specify CLI, part of GitHub Spec Kit. A tool to bootstrap your projects for Spec-Driven Development (SDD)."
 readme = "README.md"
 requires-python = ">=3.11"