Add claude config

.claude/commands/e2e.md

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+# E2E Testing
+
+End-to-end testing for the Invoice Field Extraction API.
+
+## When to Use
+
+- Testing complete inference pipeline (PDF -> Fields)
+- Verifying API endpoints work end-to-end
+- Validating YOLO + OCR + field extraction integration
+- Pre-deployment verification
+
+## Workflow
+
+1. Ensure server is running: `python run_server.py`
+2. Run health check: `curl http://localhost:8000/api/v1/health`
+3. Run E2E tests: `pytest tests/e2e/ -v`
+4. Verify results and capture any failures
+
+## Critical Scenarios (Must Pass)
+
+1. Health check returns `{"status": "healthy", "model_loaded": true}`
+2. PDF upload returns valid response with fields
+3. Fields extracted with confidence scores
+4. Visualization image generated
+5. Cross-validation included for invoices with payment_line
+
+## Checklist
+
+- [ ] Server running on http://localhost:8000
+- [ ] Health check passes
+- [ ] PDF inference returns valid JSON
+- [ ] At least one field extracted
+- [ ] Visualization URL returns image
+- [ ] Response time < 10 seconds
+- [ ] No server errors in logs
+
+## Test Location
+
+E2E tests: `tests/e2e/`
+Sample fixtures: `tests/fixtures/`