Add specassay bundle to community catalog

- Adds specassay v0.3.1 by Rik Dryfoos to bundles/catalog.community.json
- Adds SpecAssay row to docs/community/bundles.md (alphabetical by name)

Validation summary:
- Bundle ID 'specassay' matches naming convention
- Version 0.3.1 is valid semver
- Repository https://github.com/rdryfoos/specassay contains bundle.yml, README.md, LICENSE
- bundle.yml fields match submission (id, version, role, author, license, speckit_version, 1 extension + 1 preset)
- Release v0.3.1 exists; specassay-0.3.1.zip asset confirmed attached
- Proposed catalog entry fields verified against manifest and submission
- Required catalogs documented in README and example usage
- All testing checklist and submission requirement checkboxes checked
- verified field set to false

Closes #4059
cc @rdryfoos

Assisted-by: GitHub Copilot (model: claude-sonnet-4.6, autonomous)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

bundles/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-07-22T00:00:00Z",
+  "updated_at": "2026-08-12T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/bundles/catalog.community.json",
   "bundles": {
     "sicario-spec": {
@@ -30,6 +30,34 @@
         "threat-modeling"
       ],
       "verified": false
+    },
+    "specassay": {
+      "name": "SpecAssay",
+      "id": "specassay",
+      "version": "0.3.1",
+      "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/v0.3.1/specassay-0.3.1.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

@@ -10,6 +10,7 @@ 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