refactor CLI command modules and synchronize docs

CLAUDE.md

@@ -1,5 +1,8 @@
 # CLAUDE.md
 
+## Documentation Status
+- Synchronized with refactor baseline on 2026-02-16 (see `CHANGELOG.md`).
+
 This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
 
 ## Project Overview
@@ -91,11 +94,11 @@ VLM follows a read-first, multi-stage pipeline:
 ### Module Organization
 - `cli.py` - Click-based CLI interface, global options, command registration
 - `context.py` - CLIContext (config, paths) and pass_context for commands
-- `commands/` - Command implementations (scan, analyze, plan)
+- `commands/` - Command implementations (scan, parse, enrich, analyze, plan, execute/rollback)
 - `scanner.py` - File discovery using system `find` command, metadata extraction via ffprobe
 - `parser.py` - Filename parsing using regex patterns (movies: title + year, series: SxxExx)
 - `enrichment.py` - Enrichment pipeline; `cache.py` - SQLite cache; `providers/` - TMDB etc.
-- `io.py` - Load/save identities JSON/CSV, plan/analysis input helpers
+- `io.py` - Unified JSON/CSV I/O helpers (including analysis writer and data adapters)
 - `utils.py` - UTC time, format_size, shared helpers
 - `analysis.py` - Completeness checking (episode gaps) and duplicate detection
 - `duplicate_resolve.py` - Duplicate group resolution (by_quality, by_reputation, first_seen, manual)