fix: update error handling and improve pnpm setup in reflexion issue runner workflow

Author: bronz3beard

.github/workflows/reflexion-issue-runner.yml

@@ -42,7 +42,7 @@ jobs:
                 https://api.github.com/repos/${{ github.repository }}/issues/$ISSUE_NUM/comments \
                 -d '{"body":"### 🚨 Reflexion Loop Error\nMissing required `GEMINI_API_KEY` or `ANTHROPIC_API_KEY` in repository secrets."}'
             fi
-            false
+            exit 1
           fi
 
       - name: Checkout Code
@@ -53,8 +53,29 @@ jobs:
         with:
           node-version: '22'
 
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - name: Setup pnpm cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
       - name: Install Dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
+
+      - name: Setup Prisma
+        run: pnpm prisma generate
 
       - name: Run Reflexion Loop
         env:
@@ -63,8 +84,7 @@ jobs:
           ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
           REFLEXION_MAX_COST_USD: ${{ vars.REFLEXION_MAX_COST_USD || '3' }}
           REFLEXION_MAX_REVISIONS: ${{ vars.REFLEXION_MAX_REVISIONS || '3' }}
-        run: |
-          node scripts/reflexion-issue-runner.js
+        run: node scripts/reflexion-issue-runner.js
 
       - name: Upload State Artifact
         uses: actions/upload-artifact@v4