add ai review workflow

.config/review.polkacodes.yml

@@ -0,0 +1,10 @@
+rules:
+  - repo: polka-codes/prompts
+    path: review/preamble.md
+    branch: master
+  - repo: polka-codes/prompts
+    path: review/rust.md
+    branch: master
+  - repo: polka-codes/prompts
+    path: review/polkadot-sdk.md
+    branch: master

.github/scripts/cmd/cmd.py

@@ -545,7 +545,7 @@ def main():
             # Output labels as JSON for GitHub Action
             import json
             labels_output = {"labels": final_labels}
-            print(f"LABELS_JSON: {json.dumps(labels_output)}")
+            print_and_log(f"LABELS_JSON: {json.dumps(labels_output)}")
         except ValueError as e:
             print_and_log(f'❌ {e}')
 

.github/workflows/ai-review.yml

@@ -0,0 +1,43 @@
+name: AI PR Review
+
+on:
+  # pull_request: # enable this when we think this is ready
+  #   types: [opened, ready_for_review]
+  workflow_dispatch:
+    inputs:
+      pr_number:
+        description: 'PR number to review'
+        required: true
+        type: number
+
+permissions:
+  contents: read
+  pull-requests: write
+
+concurrency:
+  group: review-pr-${{ github.event.inputs.pr_number || github.event.number }}
+  cancel-in-progress: true
+
+jobs:
+  review:
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Process PR
+        uses: polka-codes/action@v2
+        with:
+          pr_number: ${{ github.event.inputs.pr_number || github.event.number }}
+          review: true
+          config: .config/review.polkacodes.yml
+        env:
+          POLKA_API_PROVIDER: google
+          POLKA_MODEL: gemini-3-pro-preview
+          GITHUB_TOKEN: ${{ github.token }}
+          POLKA_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+          POLKA_BUDGET: 5
+

.github/workflows/cmd-run.yml

@@ -293,12 +293,19 @@ jobs:
           repository: ${{ env.REPO }}
           ref: ${{ env.PR_BRANCH }}
 
-      - name: Download all artifacts
+      - name: Download command-diff artifact
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: command-diff
           path: command-diff
 
+      - name: Download command-output artifact
+        if: startsWith(github.event.inputs.cmd, 'label')
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
+        with:
+          name: command-output
+          path: command-output
+
       - name: Apply labels for label command
         if: startsWith(github.event.inputs.cmd, 'label')
         uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
@@ -310,7 +317,7 @@ jobs:
             let labels = [];
 
             try {
-              const output = fs.readFileSync('/tmp/cmd/command_output.log', 'utf8');
+              const output = fs.readFileSync('command-output/command_output.log', 'utf8');
 
               // Parse JSON labels from output - look for "LABELS_JSON: {...}"
               const jsonMatch = output.match(/LABELS_JSON: (.+)/);