Initial commit: document_analyzer with CI/CD pipeline

- 4 skill pipeline (doc_parser, conflict_detection, ir_generation, resolution_application)
- CI workflow on push/PR (.gitea/workflows/ci.yml)
- Auto-issue on CI failure (.gitea/workflows/auto-issue.yml)
- Pytest smoke tests (tests/test_sample.py)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: shell
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Run tests
+        run: python -m pytest tests/ -v