Add copilot-brag-sheet external plugin

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: vidhartbhatia

.github/plugin/marketplace.json

@@ -83,6 +83,30 @@
       "description": "ContextMatic turns your AI agents from API-guessers into API-experts. By feeding agents exact, version-aware SDK methods and typed models for providers like PayPal, Spotify, and Twilio, ContextMatic replaces guesswork and outdated training data with high-fidelity ground truth. This eliminates hallucinations and broken code, ensuring surgical accuracy across 7+ languages so your agents build with precision instead of wasting tokens on trial and error.",
       "version": "0.1.0"
     },
+    {
+      "name": "copilot-brag-sheet",
+      "description": "Auto-track every Copilot CLI session into a structured work impact log — files edited, PRs created, git actions — with on-demand markdown reports for performance reviews.",
+      "version": "1.0.0",
+      "author": {
+        "name": "Microsoft",
+        "url": "https://www.microsoft.com"
+      },
+      "homepage": "https://github.com/microsoft/copilot-brag-sheet",
+      "keywords": [
+        "copilot",
+        "work-tracking",
+        "productivity",
+        "brag-sheet",
+        "session-logging",
+        "impact"
+      ],
+      "license": "MIT",
+      "repository": "https://github.com/microsoft/copilot-brag-sheet",
+      "source": {
+        "source": "github",
+        "repo": "microsoft/copilot-brag-sheet"
+      }
+    },
     {
       "name": "copilot-sdk",
       "source": "copilot-sdk",

plugins/external.json

@@ -155,5 +155,22 @@
       "source": "github",
       "repo": "microsoft/What-I-Did-Copilot"
     }
+  },
+  {
+    "name": "copilot-brag-sheet",
+    "description": "Auto-track every Copilot CLI session into a structured work impact log — files edited, PRs created, git actions — with on-demand markdown reports for performance reviews.",
+    "version": "1.0.0",
+    "author": {
+      "name": "Microsoft",
+      "url": "https://www.microsoft.com"
+    },
+    "homepage": "https://github.com/microsoft/copilot-brag-sheet",
+    "keywords": ["copilot", "work-tracking", "productivity", "brag-sheet", "session-logging", "impact"],
+    "license": "MIT",
+    "repository": "https://github.com/microsoft/copilot-brag-sheet",
+    "source": {
+      "source": "github",
+      "repo": "microsoft/copilot-brag-sheet"
+    }
   }
 ]