Add Superpowers Implementation Bridge extension to community catalog (#2586)

Add speckit-superpowers-bridge extension submitted by @lihan3238 to:
- extensions/catalog.community.json (alphabetical order)
- docs/community/extensions.md community extensions table

Closes #2581

Author: mnriem

docs/community/extensions.md

@@ -111,6 +111,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Status Report | Project status, feature progress, and next-action recommendations for spec-driven workflows | `visibility` | Read-only | [Open-Agent-Tools/spec-kit-status](https://github.com/Open-Agent-Tools/spec-kit-status) |
 | Superpowers Bridge | Orchestrates obra/superpowers skills within the spec-kit SDD workflow across the full lifecycle (clarification, TDD, review, verification, critique, debugging, branch completion) | `process` | Read+Write | [superpowers-bridge](https://github.com/RbBtSn0w/spec-kit-extensions/tree/main/superpowers-bridge) |
 | Superpowers Bridge (WangX0111) | Bridges spec-kit with obra/superpowers (brainstorming, TDD, subagent, code-review) into a unified, resumable workflow with graceful degradation and session progress tracking | `process` | Read+Write | [superspec](https://github.com/WangX0111/superspec) |
+| Superpowers Implementation Bridge | Thin orchestrator between Spec Kit (design) and Superpowers (implementation). Cross-agent. | `process` | Read+Write | [speckit-superpowers-bridge](https://github.com/lihan3238/speckit-superpowers-bridge) |
 | Time Machine | Retroactively apply the full SDD workflow to existing codebases — analyse, spec, and ship feature-by-feature | `process` | Read+Write | [spec-kit-time-machine](https://github.com/teeyo/spec-kit-time-machine) |
 | TinySpec | Lightweight single-file workflow for small tasks — skip the heavy multi-step SDD process | `process` | Read+Write | [spec-kit-tinyspec](https://github.com/Quratulain-bilal/spec-kit-tinyspec) |
 | Token Consumption Analyzer | Captures, analyzes, and compares token consumption across SDD workflows | `visibility` | Read-only | [spec-kit-token-analyzer](https://github.com/coderandhiker/spec-kit-token-analyzer) |

extensions/catalog.community.json

@@ -2612,6 +2612,55 @@
       "created_at": "2026-04-30T00:00:00Z",
       "updated_at": "2026-04-30T00:00:00Z"
     },
+    "speckit-superpowers-bridge": {
+      "name": "Superpowers Implementation Bridge",
+      "id": "speckit-superpowers-bridge",
+      "description": "Thin orchestrator between Spec Kit (design) and Superpowers (implementation). Cross-agent.",
+      "author": "lihan3238",
+      "version": "0.4.1",
+      "download_url": "https://github.com/lihan3238/speckit-superpowers-bridge/releases/download/v0.4.1/speckit-superpowers-bridge-v0.4.1.zip",
+      "repository": "https://github.com/lihan3238/speckit-superpowers-bridge",
+      "homepage": "https://github.com/lihan3238/speckit-superpowers-bridge",
+      "documentation": "https://github.com/lihan3238/speckit-superpowers-bridge#readme",
+      "changelog": "https://github.com/lihan3238/speckit-superpowers-bridge/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.8.10",
+        "tools": [
+          {
+            "name": "powershell",
+            "version": ">=5.1",
+            "required": false
+          },
+          {
+            "name": "bash",
+            "version": ">=4.0",
+            "required": false
+          },
+          {
+            "name": "jq",
+            "version": ">=1.6",
+            "required": false
+          }
+        ]
+      },
+      "provides": {
+        "commands": 3,
+        "hooks": 5
+      },
+      "tags": [
+        "bridge",
+        "superpowers",
+        "cross-agent",
+        "tdd",
+        "workflow"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-05-15T00:00:00Z",
+      "updated_at": "2026-05-15T00:00:00Z"
+    },
     "speckit-utils": {
       "name": "SDD Utilities",
       "id": "speckit-utils",