Add OpenUP Governed Lifecycle extension to community catalog (#4598)

Add openup extension submitted by @anvigo12 to the community catalog and documentation. Closes #4567. Assisted-by: GitHub Copilot (model: gpt-5.2-codex, autonomous)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: github-actions[bot]

docs/community/extensions.md

@@ -110,6 +110,7 @@ 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) |
 | OKF Knowledge Bundle Generator | Generates and maintains an Open Knowledge Format (OKF v0.1) knowledge bundle from a source-code repository, mining git history for rationale and parking what it cannot verify as open questions | `docs` | Read+Write | [speckit_okf](https://github.com/alexcpn/speckit_okf) |
 | 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) |
+| OpenUP Governed Lifecycle | Adds the OpenUP lifecycle to Spec Kit: phases, iterations, a seven-level WBS, an executable risk register, bi-directional traceability, and machine-checkable milestone gates. | `process` | Read+Write | [specup](https://github.com/anvigo12/specup) |
 | 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) |

extensions/catalog.community.json

@@ -3548,6 +3548,48 @@
       "created_at": "2026-03-26T00:00:00Z",
       "updated_at": "2026-03-26T00:00:00Z"
     },
+    "openup": {
+      "name": "OpenUP Governed Lifecycle",
+      "id": "openup",
+      "description": "Adds the OpenUP lifecycle to Spec Kit: phases, iterations, a seven-level WBS, an executable risk register, bi-directional traceability, and machine-checkable milestone gates.",
+      "author": "Aniket Gore",
+      "version": "0.1.0",
+      "download_url": "https://github.com/anvigo12/specup/releases/download/v0.1.0/openup-0.1.0.zip",
+      "sha256": "012e11f5949060d57bef2c5ea15772e4649fc92d723e171a85e6230fb87cb46f",
+      "repository": "https://github.com/anvigo12/specup",
+      "homepage": "https://github.com/anvigo12/specup",
+      "documentation": "https://github.com/anvigo12/specup/blob/main/docs/guide/using-specup.md",
+      "changelog": "",
+      "license": "MIT",
+      "category": "process",
+      "effect": "read-write",
+      "requires": {
+        "speckit_version": ">=1.0.0,<2.0.0",
+        "tools": [
+          {
+            "name": "python3",
+            "version": ">=3.10",
+            "required": true
+          }
+        ]
+      },
+      "provides": {
+        "commands": 9,
+        "hooks": 4
+      },
+      "tags": [
+        "governance",
+        "traceability",
+        "risk",
+        "lifecycle",
+        "openup"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-09-15T00:00:00Z",
+      "updated_at": "2026-09-15T00:00:00Z"
+    },
     "optimize": {
       "name": "Optimize Extension",
       "id": "optimize",