chore: add AI code review workflow for PRs

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/ai-review.yaml

@@ -0,0 +1,34 @@
+name: AI Code Review
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  ai-review:
+    name: AI Code Review
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: AI Review
+        uses: Nikita-Filonov/ai-review@v0.56.0
+        with:
+          review-command: run
+        env:
+          LLM__PROVIDER: "OPENAI"
+          LLM__META__MODEL: ${{ vars.AI_REVIEW_MODEL }}
+          LLM__META__MAX_TOKENS: "15000"
+          LLM__META__TEMPERATURE: "0.3"
+          LLM__HTTP_CLIENT__API_URL: "https://api.openai.com/v1"
+          LLM__HTTP_CLIENT__API_TOKEN: ${{ secrets.OPENAI_API_KEY }}
+          VCS__PROVIDER: "GITEA"
+          VCS__PIPELINE__OWNER: ${{ github.repository_owner }}
+          VCS__PIPELINE__REPO: ${{ github.event.repository.name }}
+          VCS__PIPELINE__PULL_NUMBER: ${{ github.event.pull_request.number }}
+          VCS__HTTP_CLIENT__API_URL: ${{ github.server_url }}/api/v1
+          VCS__HTTP_CLIENT__API_TOKEN: ${{ secrets.AI_REVIEW_GITEA_TOKEN }}