Release v1.9.0: Add video-comparer skill and enhance transcript-fixer

## New Skill: video-comparer v1.0.0
- Compare original and compressed videos with interactive HTML reports
- Calculate quality metrics (PSNR, SSIM) for compression analysis
- Generate frame-by-frame visual comparisons (slider, side-by-side, grid)
- Extract video metadata (codec, resolution, bitrate, duration)
- Multi-platform FFmpeg support with security features

## transcript-fixer Enhancements
- Add async AI processor for parallel processing
- Add connection pool management for database operations
- Add concurrency manager and rate limiter
- Add audit log retention and database migrations
- Add health check and metrics monitoring
- Add comprehensive test suite (8 new test files)
- Enhance security with domain and path validators

## Marketplace Updates
- Update marketplace version from 1.8.0 to 1.9.0
- Update skills count from 15 to 16
- Update documentation (README.md, CLAUDE.md, CHANGELOG.md)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

transcript-fixer/scripts/cli/argument_parser.py

@@ -85,5 +85,138 @@ def create_argument_parser() -> argparse.ArgumentParser:
         action="store_true",
         help="Validate configuration and JSON files"
     )
+    parser.add_argument(
+        "--health",
+        action="store_true",
+        help="Perform system health check (P1-4 fix)"
+    )
+    parser.add_argument(
+        "--health-level",
+        dest="health_level",
+        choices=["basic", "standard", "deep"],
+        default="standard",
+        help="Health check thoroughness (default: standard)"
+    )
+    parser.add_argument(
+        "--health-format",
+        dest="health_format",
+        choices=["text", "json"],
+        default="text",
+        help="Health check output format (default: text)"
+    )
+    parser.add_argument(
+        "--verbose", "-v",
+        action="store_true",
+        help="Show verbose output (for health check)"
+    )
+    parser.add_argument(
+        "--metrics",
+        action="store_true",
+        help="Display collected metrics (P1-7 fix)"
+    )
+    parser.add_argument(
+        "--metrics-format",
+        dest="metrics_format",
+        choices=["text", "json", "prometheus"],
+        default="text",
+        help="Metrics output format (default: text)"
+    )
+
+    # Configuration management (P1-5 fix)
+    parser.add_argument(
+        "--config",
+        dest="config_action",
+        choices=["show", "create-example", "validate", "set-env"],
+        help="Configuration management (P1-5 fix)"
+    )
+    parser.add_argument(
+        "--config-path",
+        dest="config_path",
+        help="Path for config file operations"
+    )
+    parser.add_argument(
+        "--env",
+        dest="config_env",
+        choices=["development", "staging", "production", "test"],
+        help="Set environment (with --config set-env)"
+    )
+
+    # Database migration commands (P1-6 fix)
+    parser.add_argument(
+        "--migration",
+        dest="migration_action",
+        choices=["status", "history", "migrate", "rollback", "plan", "validate", "create"],
+        help="Database migration commands (P1-6 fix)"
+    )
+    parser.add_argument(
+        "--migration-version",
+        dest="migration_version",
+        help="Target migration version (for migrate/rollback commands)"
+    )
+    parser.add_argument(
+        "--migration-dry-run",
+        dest="migration_dry_run",
+        action="store_true",
+        help="Dry run mode for migrations (no changes applied)"
+    )
+    parser.add_argument(
+        "--migration-force",
+        dest="migration_force",
+        action="store_true",
+        help="Force migration (bypass safety checks)"
+    )
+    parser.add_argument(
+        "--migration-yes",
+        dest="migration_yes",
+        action="store_true",
+        help="Skip confirmation prompts"
+    )
+    parser.add_argument(
+        "--migration-history-format",
+        dest="migration_history_format",
+        choices=["text", "json"],
+        default="text",
+        help="Migration history output format (default: text)"
+    )
+    parser.add_argument(
+        "--migration-name",
+        dest="migration_name",
+        help="Migration name (for create command)"
+    )
+    parser.add_argument(
+        "--migration-description",
+        dest="migration_description",
+        help="Migration description (for create command)"
+    )
+
+    # Audit log retention commands (P1-11 fix)
+    parser.add_argument(
+        "--audit-retention",
+        dest="audit_retention_action",
+        choices=["cleanup", "report", "policies", "restore"],
+        help="Audit log retention commands (P1-11 fix)"
+    )
+    parser.add_argument(
+        "--entity-type",
+        dest="entity_type",
+        help="Entity type to operate on (for cleanup command)"
+    )
+    parser.add_argument(
+        "--dry-run",
+        dest="dry_run",
+        action="store_true",
+        help="Dry run mode (no actual changes)"
+    )
+    parser.add_argument(
+        "--archive-file",
+        dest="archive_file",
+        help="Archive file path (for restore command)"
+    )
+    parser.add_argument(
+        "--verify-only",
+        dest="verify_only",
+        action="store_true",
+        help="Verify archive integrity without restoring (for restore command)"
+    )
 
     return parser