[extension] Add Linear Weave extension to community catalog (#3609)

* Add Linear Weave extension to community catalog

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

Closes #3603

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* Potential fix for pull request finding

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docs/community/extensions.md

@@ -70,6 +70,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Jira Integration (Sync Engine) | Idempotent, drift-aware, fail-closed reconcile engine mirroring spec-kit specs into Jira (Epic per repo, Story per spec, Subtask per phase) | `integration` | Read+Write | [spec-kit-jira-sync](https://github.com/ashbrener/spec-kit-jira-sync) |
 | Learning Extension | Generate educational guides from implementations and enhance clarifications with mentoring context | `docs` | Read+Write | [spec-kit-learn](https://github.com/imviancagrace/spec-kit-learn) |
 | Linear Integration | Mirror spec-kit feature directories into Linear (filesystem → Linear, reconcile-based, unidirectional). | `integration` | Read+Write | [spec-kit-linear-sync](https://github.com/ashbrener/spec-kit-linear-sync) |
+| Linear Weave | Weave Spec Kit into Linear: pull requirements, mirror tasks.md into sub-issues, sync statuses | `integration` | Read+Write | [spec-kit-linear-weave](https://github.com/tonydwoodhouse/spec-kit-linear-weave) |
 | LLM Wiki | LLM-maintained compounding project wiki: source ingestion, cited answers, and consistency linting | `docs` | Read+Write | [spec-kit-wiki](https://github.com/formin/spec-kit-wiki) |
 | Loop Engineering | Engineer safe autonomous agent loops for spec-driven development: a maker/checker split, externalized loop state, and stay-the-engineer guardrails against comprehension debt and cognitive surrender | `process` | Read+Write | [spec-kit-loop](https://github.com/formin/spec-kit-loop) |
 | MAQA — Multi-Agent & Quality Assurance | Coordinator → feature → QA agent workflow with parallel worktree-based implementation. Language-agnostic. Auto-detects installed board plugins. Optional CI gate. | `process` | Read+Write | [spec-kit-maqa-ext](https://github.com/GenieRobot/spec-kit-maqa-ext) |

extensions/catalog.community.json

@@ -2029,6 +2029,40 @@
       "created_at": "2026-06-01T00:00:00Z",
       "updated_at": "2026-06-22T00:00:00Z"
     },
+    "linear-weave": {
+      "name": "Linear Weave",
+      "id": "linear-weave",
+      "description": "Weave Spec Kit into Linear: pull requirements, mirror tasks.md into sub-issues, sync statuses.",
+      "author": "Tony Woodhouse",
+      "version": "1.0.0",
+      "download_url": "https://github.com/tonydwoodhouse/spec-kit-linear-weave/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/tonydwoodhouse/spec-kit-linear-weave",
+      "homepage": "https://github.com/tonydwoodhouse/spec-kit-linear-weave",
+      "documentation": "https://github.com/tonydwoodhouse/spec-kit-linear-weave#readme",
+      "changelog": "https://github.com/tonydwoodhouse/spec-kit-linear-weave/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "category": "integration",
+      "effect": "read-write",
+      "requires": {
+        "speckit_version": ">=0.13.0,<1.0.0",
+        "tools": [{ "name": "linear-mcp", "required": true }]
+      },
+      "provides": {
+        "commands": 5,
+        "hooks": 5
+      },
+      "tags": [
+        "linear",
+        "issue-tracking",
+        "integration",
+        "workflow"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-07-21T00:00:00Z",
+      "updated_at": "2026-07-21T00:00:00Z"
+    },
     "loop": {
       "name": "Loop Engineering",
       "id": "loop",