Add Work Hub canvas extension

.github/plugin/marketplace.json

@@ -1279,6 +1279,12 @@
         "repo": "microsoft/win-dev-skills",
         "path": "plugins/winui"
       }
+    },
+    {
+      "name": "work-hub",
+      "source": "extensions/work-hub",
+      "description": "Generic cross-repo command center canvas for GitHub Copilot with onboarding, focus planning, repo health, work signals, and session cleanup.",
+      "version": "1.0.0"
     }
   ]
 }

extensions/work-hub/.github/plugin/plugin.json

@@ -0,0 +1,19 @@
+{
+  "name": "work-hub",
+  "description": "Generic cross-repo command center canvas for GitHub Copilot with onboarding, focus planning, repo health, work signals, and session cleanup.",
+  "version": "1.0.0",
+  "author": {
+    "name": "James Montemagno",
+    "url": "https://github.com/jamesmontemagno"
+  },
+  "keywords": [
+    "cross-repo-dashboard",
+    "focus-planning",
+    "repo-health",
+    "session-cleanup",
+    "work-triage",
+    "workflow-visibility"
+  ],
+  "logo": "assets/preview.png",
+  "extensions": "."
+}

extensions/work-hub/README.md

@@ -0,0 +1,15 @@
+# Work Hub
+
+Generic cross-repo command center canvas for GitHub Copilot.
+
+## What it does
+
+- First-run onboarding to pick GitHub repositories or local projects
+- Focus planning based on mood, available time, bandwidth, and work intent
+- Cross-repo work explorer for pull requests, issues, deployments, releases, and active sessions
+- Repository health overview with local git and GitHub signals
+- Session cleanup flow for stale worktrees and older coding sessions
+
+## Assets
+
+- `assets/preview.png` - gallery preview image required by the Awesome Copilot extensions catalog.