Add Orchestration Task Context Management extension to community catalog

Add orchestration-task-context-management extension submitted by @benizzio to:
- extensions/catalog.community.json (alphabetical order)
- docs/community/extensions.md community extensions table

Closes #3356

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

docs/community/extensions.md

@@ -85,6 +85,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | .NET Framework to Modern .NET Migration | Orchestrate end-to-end .NET Framework to modern .NET migration across 7 phases, with SDD lifecycle integration | `process` | Read+Write | [spec-kit-fx-to-net](https://github.com/RogerBestMsft/spec-kit-FxToNet) |
 | Onboard | Contextual onboarding and progressive growth for developers new to spec-kit projects. Explains specs, maps dependencies, validates understanding, and guides the next step | `process` | Read+Write | [spec-kit-onboard](https://github.com/dmux/spec-kit-onboard) |
 | Optimize | Audit and optimize AI governance for context efficiency — token budgets, rule health, interpretability, compression, coherence, and echo detection | `process` | Read+Write | [spec-kit-optimize](https://github.com/sakitA/spec-kit-optimize) |
+| Orchestration Task Context Management | Adds subagent work-unit orchestration to generated Spec Kit task files | `process` | Read+Write | [spec-kit-orchestration-task-context-management](https://github.com/benizzio/spec-kit-orchestration-task-context-management) |
 | OWASP LLM Threat Model | OWASP Top 10 for LLM Applications 2025 threat analysis on agent artifacts | `code` | Read-only | [spec-kit-threatmodel](https://github.com/NaviaSamal/spec-kit-threatmodel) |
 | Plan Review Gate | Require spec.md and plan.md to be merged via MR/PR before allowing task generation | `process` | Read-only | [spec-kit-plan-review-gate](https://github.com/luno/spec-kit-plan-review-gate) |
 | PR Bridge | Auto-generate pull request descriptions, checklists, and summaries from spec artifacts | `process` | Read-only | [spec-kit-pr-bridge-](https://github.com/Quratulain-bilal/spec-kit-pr-bridge-) |

extensions/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-07-01T00:00:00Z",
+  "updated_at": "2026-07-06T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -2362,6 +2362,39 @@
       "created_at": "2026-04-03T00:00:00Z",
       "updated_at": "2026-04-03T00:00:00Z"
     },
+    "orchestration-task-context-management": {
+      "name": "Orchestration Task Context Management",
+      "id": "orchestration-task-context-management",
+      "description": "Adds subagent work-unit orchestration to generated Spec Kit task files",
+      "author": "Igor Benicio de Mesquita",
+      "version": "0.0.0",
+      "download_url": "https://github.com/benizzio/spec-kit-orchestration-task-context-management/archive/refs/tags/v0.0.0.zip",
+      "repository": "https://github.com/benizzio/spec-kit-orchestration-task-context-management",
+      "homepage": "https://github.com/benizzio/spec-kit-orchestration-task-context-management",
+      "documentation": "https://github.com/benizzio/spec-kit-orchestration-task-context-management/blob/main/README.md",
+      "changelog": "https://github.com/benizzio/spec-kit-orchestration-task-context-management/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "category": "process",
+      "effect": "read-write",
+      "requires": {
+        "speckit_version": ">=0.7.2"
+      },
+      "provides": {
+        "commands": 2,
+        "hooks": 2
+      },
+      "tags": [
+        "agent",
+        "orchestration",
+        "tasks",
+        "context"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-07-06T00:00:00Z",
+      "updated_at": "2026-07-06T00:00:00Z"
+    },
     "orchestrator": {
       "name": "Spec Orchestrator",
       "id": "orchestrator",