Update BrownKit extension to v1.2.0

Update brownkit extension submitted by @MaksimShevtsov:
- extensions/catalog.community.json (version, download_url, metadata)
- docs/community/extensions.md community extensions table

Closes #4435

Assisted-by: GitHub Copilot (model: gpt-5.2-codex, autonomous)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: github-actions[bot]

docs/community/extensions.md

@@ -49,7 +49,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Blueprint Index — Living Architecture Map | A living architecture map for spec-driven projects, kept honest by a deterministic, low-friction, machine-first CI gate (JSON, self-healable) that blocks only when the map contradicts the specs or code. Brownfield or greenfield. | `process` | Read+Write | [spec-kit-blueprint](https://github.com/ogil109/spec-kit-blueprint) |
 | Branch Convention | Configurable branch and folder naming conventions for /specify with presets and custom patterns | `process` | Read+Write | [spec-kit-branch-convention](https://github.com/Quratulain-bilal/spec-kit-branch-convention) |
 | Brownfield Bootstrap | Bootstrap spec-kit for existing codebases — auto-discover architecture and adopt SDD incrementally | `process` | Read+Write | [spec-kit-brownfield](https://github.com/Quratulain-bilal/spec-kit-brownfield) |
-| BrownKit | Evidence-driven capability discovery, security and QA risk assessment for existing codebases | `process` | Read+Write | [BrownKit](https://github.com/MaksimShevtsov/BrownKit) |
+| BrownKit — Brownfield Discovery for Spec-Kit | Evidence-driven capability discovery, security and QA risk assessment for existing codebases. | `process` | Read+Write | [BrownKit](https://github.com/MaksimShevtsov/BrownKit) |
 | Bugfix Workflow | Structured bugfix workflow — capture bugs, trace to spec artifacts, and patch specs surgically | `process` | Read+Write | [spec-kit-bugfix](https://github.com/Quratulain-bilal/spec-kit-bugfix) |
 | Canon | Adds canon-driven (baseline-driven) workflows: spec-first, code-first, spec-drift. Requires Canon Core preset installation. | `process` | Read+Write | [spec-kit-canon](https://github.com/maximiliamus/spec-kit-canon/tree/master/extension) |
 | Catalog CI | Automated validation for spec-kit community catalog entries — structure, URLs, diffs, and linting | `process` | Read-only | [spec-kit-catalog-ci](https://github.com/Quratulain-bilal/spec-kit-catalog-ci) |

extensions/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-09-03T00:00:00Z",
+  "updated_at": "2026-09-08T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "adrkit": {
@@ -906,20 +906,27 @@
       "id": "brownkit",
       "description": "Evidence-driven capability discovery, security and QA risk assessment for existing codebases.",
       "author": "Maksim Shautsou",
-      "version": "1.0.1",
-      "download_url": "https://github.com/MaksimShevtsov/BrownKit/archive/refs/tags/v1.0.1.zip",
+      "version": "1.2.0",
+      "download_url": "https://github.com/MaksimShevtsov/BrownKit/archive/refs/tags/v1.2.0.zip",
       "repository": "https://github.com/MaksimShevtsov/BrownKit",
-      "homepage": "https://github.com/MaksimShevtsov/BrownKit",
-      "documentation": "https://github.com/MaksimShevtsov/BrownKit/blob/main/README.md",
+      "homepage": "https://github.com/MaksimShevtsov/BrownKit/blob/main/README.md",
+      "documentation": "https://github.com/MaksimShevtsov/BrownKit/blob/main/docs/methodology.md",
       "changelog": "https://github.com/MaksimShevtsov/BrownKit/blob/main/CHANGELOG.md",
       "license": "MIT",
       "category": "process",
       "effect": "read-write",
       "requires": {
-        "speckit_version": ">=0.1.0"
+        "speckit_version": ">=0.1.0",
+        "tools": [
+          {
+            "name": "python",
+            "version": ">=3.9",
+            "required": false
+          }
+        ]
       },
       "provides": {
-        "commands": 10,
+        "commands": 11,
         "hooks": 5
       },
       "tags": [
@@ -933,7 +940,7 @@
       "downloads": 0,
       "stars": 0,
       "created_at": "2026-05-10T00:00:00Z",
-      "updated_at": "2026-05-10T00:00:00Z"
+      "updated_at": "2026-09-08T00:00:00Z"
     },
     "bugfix": {
       "name": "Bugfix Workflow",