Add SpecKit Companion extension to community catalog (#2937)

* Add SpecKit Companion extension to community catalog

Add companion extension submitted by @alfredoperez to:
- extensions/catalog.community.json (alphabetical order)
- docs/community/extensions.md community extensions table

Closes #2926

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Address review: multi-line tools format, add vscode tag

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Manfred Riem <mnriem@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: mnriem

docs/community/extensions.md

@@ -116,6 +116,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Spec Trace | Build a requirement → test traceability matrix from spec.md and the test suite — surface untested requirements and orphan tests | `code` | Read+Write | [spec-kit-trace](https://github.com/Quratulain-bilal/spec-kit-trace) |
 | Spec Validate | Comprehension validation, review gating, and approval state for spec-kit artifacts — staged quizzes, peer review SLA, and a hard gate before /speckit.implement | `process` | Read+Write | [spec-kit-spec-validate](https://github.com/aeltayeb/spec-kit-spec-validate) |
 | Spec2Cloud | Spec-driven workflow tuned for shipping to Azure | `process` | Read+Write | [spec2cloud](https://github.com/Azure-Samples/Spec2Cloud) |
+| SpecKit Companion | Live spec-driven progress — lifecycle capture, status, resume, and a turbo pipeline profile | `visibility` | Read+Write | [speckit-companion](https://github.com/alfredoperez/speckit-companion) |
 | SpecTest | Auto-generate test scaffolds from spec criteria, map coverage, and find untested requirements | `code` | Read+Write | [spec-kit-spectest](https://github.com/Quratulain-bilal/spec-kit-spectest) |
 | Squad Bridge | Bootstrap and synchronize a Squad agent team from your Speckit spec and tasks. | `process` | Read+Write | [spec-kit-squad](https://github.com/jwill824/spec-kit-squad) |
 | Staff Review Extension | Staff-engineer-level code review that validates implementation against spec, checks security, performance, and test coverage | `code` | Read-only | [spec-kit-staff-review](https://github.com/arunt14/spec-kit-staff-review) |

extensions/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-06-12T00:00:00Z",
+  "updated_at": "2026-06-11T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -769,6 +769,44 @@
       "created_at": "2026-06-11T00:00:00Z",
       "updated_at": "2026-06-11T00:00:00Z"
     },
+    "companion": {
+      "name": "SpecKit Companion",
+      "id": "companion",
+      "description": "Live spec-driven progress for SpecKit Companion — lifecycle capture, status, resume, and a turbo pipeline profile.",
+      "author": "alfredoperez",
+      "version": "0.3.0",
+      "download_url": "https://github.com/alfredoperez/speckit-companion/releases/download/speckit-ext-v0.3.0/companion-0.3.0.zip",
+      "repository": "https://github.com/alfredoperez/speckit-companion",
+      "homepage": "https://github.com/alfredoperez/speckit-companion/tree/main/speckit-extension",
+      "documentation": "https://github.com/alfredoperez/speckit-companion/blob/main/speckit-extension/docs/",
+      "changelog": "https://github.com/alfredoperez/speckit-companion/blob/main/speckit-extension/CHANGELOG.md",
+      "license": "MIT",
+      "category": "visibility",
+      "effect": "read-write",
+      "requires": {
+        "speckit_version": ">=0.8.5",
+        "tools": [
+          { "name": "python3", "required": false }
+        ]
+      },
+      "provides": {
+        "commands": 10,
+        "hooks": 4
+      },
+      "tags": [
+        "tracking",
+        "companion",
+        "progress",
+        "vscode",
+        "lifecycle",
+        "resume"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-06-11T00:00:00Z",
+      "updated_at": "2026-06-11T00:00:00Z"
+    },
     "conduct": {
       "name": "Conduct Extension",
       "id": "conduct",