fix(ci): apply review feedback for Gemini workflows

Author: DeanChensj

.github/workflows/gemini-dispatch.yml

@@ -92,7 +92,7 @@ jobs:
             const request = process.env.REQUEST;
             core.setOutput('request', request);
 
-            if (eventType === 'pull_request.opened') {
+            if (eventType === 'pull_request.opened' || eventType === 'pull_request.ready_for_review') {
               core.setOutput('command', 'review');
             } else if (request.startsWith("@gemini-cli /review")) {
               core.setOutput('command', 'review');

.github/workflows/gemini-invoke.yml

@@ -105,7 +105,7 @@ jobs:
                     "search_code"
                   ],
                   "env": {
-                    "GITHUB_PERSONAL_ACCESS_TOKEN": "${GITHUB_TOKEN}"
+                    "GITHUB_PERSONAL_ACCESS_TOKEN": "${{ steps.mint_identity_token.outputs.token || secrets.GITHUB_TOKEN || github.token }}"
                   }
                 }
               },

.github/workflows/gemini-review.yml

@@ -90,8 +90,13 @@ jobs:
                     "GITHUB_PERSONAL_ACCESS_TOKEN",
                     "ghcr.io/github/github-mcp-server:v0.27.0"
                   ],
+                  "includeTools": [
+                    "pull_request_read",
+                    "add_comment_to_pending_review",
+                    "pull_request_review_write"
+                  ],
                   "env": {
-                    "GITHUB_PERSONAL_ACCESS_TOKEN": "${GITHUB_TOKEN}"
+                    "GITHUB_PERSONAL_ACCESS_TOKEN": "${{ steps.mint_identity_token.outputs.token || secrets.GITHUB_TOKEN || github.token }}"
                   }
                 }
               }