feat(phases-8-13): blueprint alignment — normalized schema, validation, migration options, retry, security, batch
Phase 8: Normalized intermediate schema (src/models/normalized_template.py, src/services/mapping_service.py)
- Platform-agnostic NormalizedTemplate as pipeline bridge
- PDF SHA-256 checksums computed during normalization
- 13 tests passing
Phase 9: Validation service + report builder (src/services/validation_service.py, src/reports/report_builder.py)
- Blockers (no recipients, no documents) halt migration
- Warnings (no fields, unassigned roles, unsupported features) logged
- Structured MigrationReport with per-template status
- 20 tests passing
Phase 10: Migration options API (web/routers/migrate.py)
- source_template_ids, dry_run, overwrite_if_exists, include_documents options
- Backward compatible with legacy adobe_template_ids field
- 7 tests passing
Phase 11: Retry with exponential backoff (src/utils/retry.py)
- retry_with_backoff and async_retry_with_backoff decorators
- 429/5xx detection via check_response_retryable
- 14 tests passing
Phase 12: Security hardening (src/utils/log_sanitizer.py)
- SanitizingFilter redacts tokens, JWTs, base64 PDF content from logs
- 15 tests passing
Phase 13: Batch migration API
- POST /api/migrate/batch — async background job with job_id
- GET /api/migrate/batch/{job_id} — poll progress and results
- 6 tests passing
Full suite: 108/108 tests passing
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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