Add SpecAssay preset to community catalog (#4123)

Add specassay preset submitted by @rdryfoos to:
- presets/catalog.community.json (alphabetical order)
- docs/community/presets.md community presets table

Closes #4058

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docs/community/presets.md

@@ -33,6 +33,7 @@ The following community-contributed presets customize how Spec Kit behaves — o
 | Security Governance | Adds memory-safe-language and secure-coding governance, exact-head security evidence, ASVS, supply-chain transparency, EU regulatory screening, and provider-neutral model routing. | 15 templates, 3 commands | — | [spec-kit-preset-security-governance](https://github.com/hindermath/spec-kit-preset-security-governance) |
 | SicarioSpec Core | Baseline secure-by-default Spec Kit governance profile. | 5 templates | — | [sicario-spec](https://github.com/dfirs1car1o/sicario-spec) |
 | Spec2Cloud | Spec-driven workflow tuned for shipping to Azure: spec → plan → tasks → implement → deploy | 5 templates, 8 commands | — | [spec2cloud](https://github.com/Azure-Samples/Spec2Cloud) |
+| SpecAssay | Appends durable-ID, Carries, and SpecAssay vocabulary onto Spec Kit spec, tasks, and constitution templates. | 3 templates | — | [specassay](https://github.com/rdryfoos/specassay) |
 | Table of Contents Navigation | Adds a navigable Table of Contents to generated spec.md, plan.md, and tasks.md documents | 3 templates, 3 commands | — | [spec-kit-preset-toc-navigation](https://github.com/Quratulain-bilal/spec-kit-preset-toc-navigation) |
 | Test-First Governance | Governs TDD with coverage-complete BDD/ATDD Gherkin scenarios, explicit suite ownership, professional test reports, traceability, and risk-based quality gates. | 10 templates, 8 commands | — | [spec-kit-preset-test-first-governance](https://github.com/ka-zo/spec-kit-preset-test-first-governance) |
 | VS Code Ask Questions | Enhances the clarify command to use `vscode/askQuestions` for batched interactive questioning. | 1 command | — | [spec-kit-presets](https://github.com/fdcastel/spec-kit-presets) |

presets/catalog.community.json

@@ -747,6 +747,33 @@
       "created_at": "2026-04-30T00:00:00Z",
       "updated_at": "2026-04-30T00:00:00Z"
     },
+    "specassay": {
+      "name": "SpecAssay",
+      "id": "specassay",
+      "version": "0.3.4",
+      "description": "Appends durable-ID, Carries, and SpecAssay vocabulary onto Spec Kit spec, tasks, and constitution templates.",
+      "author": "Rik Dryfoos",
+      "repository": "https://github.com/rdryfoos/specassay",
+      "download_url": "https://github.com/rdryfoos/specassay/releases/download/v0.3.4/specassay-preset-0.3.4.zip",
+      "homepage": "https://github.com/rdryfoos/specassay",
+      "documentation": "https://github.com/rdryfoos/specassay/blob/main/presets/specassay/README.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.14.0"
+      },
+      "provides": {
+        "templates": 3,
+        "commands": 0
+      },
+      "tags": [
+        "traceability",
+        "durable-ids",
+        "governance",
+        "sdd"
+      ],
+      "created_at": "2026-08-14T00:00:00Z",
+      "updated_at": "2026-08-14T00:00:00Z"
+    },
     "test-first-governance": {
       "name": "Test-First Governance",
       "id": "test-first-governance",