milestone 2 complete

notes/checklist.md

@@ -1,78 +1,71 @@
 # Complete Implementation Plan for Onyx Phase 1
 
-## Milestone 1: Action Log and onx init
+## Milestone 2: Transparent Versioning and onx save ✓ COMPLETED
 
-### Action Log Implementation
+### Filesystem Daemon Implementation
 
-13. **Create oplog binary format** (`internal/storage/oplog.go`)
-    ```go
-    type OplogEntry struct {
-        ID           uint64
-        ParentID     uint64
-        Timestamp    int64
-        Command      string
-        StateBefore  map[string]string
-        StateAfter   map[string]string
-    }
-    ```
+21. ✓ **Create daemon structure** (`internal/daemon/daemon.go`)
+    - Implemented Daemon struct with repo, watcher, ticker, debounce, and shutdown channels
+    - Added configuration support with Config struct
+    - Implemented Start(), Stop(), and IsRunning() methods
+    - Includes main event loop with proper goroutine management
 
-14. **Implement oplog writer** (`internal/storage/oplog_writer.go`)
-    - `OpenOplog(path string) (*OplogWriter, error)`
-    - `AppendEntry(entry *OplogEntry) error`
-    - Use binary encoding (gob or protobuf)
-    - Implement file locking for concurrent access
+22. ✓ **Implement filesystem watching** (`internal/daemon/watcher.go`)
+    - Initialized fsnotify watcher
+    - Added repository root to watch list with recursive directory walking
+    - Implemented recursive subdirectory watching
+    - Filtered out .git, .onx, and other ignored directories
+    - Implemented debouncing (500ms default, configurable)
 
-15. **Implement oplog reader** (`internal/storage/oplog_reader.go`)
-    - `ReadLastEntry() (*OplogEntry, error)`
-    - `ReadEntry(id uint64) (*OplogEntry, error)`
-    - `GetUndoStack() ([]*OplogEntry, error)`
+23. ✓ **Implement snapshot algorithm** (`internal/daemon/snapshot.go`)
+    - Implemented CreateSnapshot() with full workflow:
+      1. Read current workspace pointer from .onx/workspace
+      2. Create tree from working directory state
+      3. Create ephemeral commit with auto-generated message
+      4. Update refs/onyx/workspaces/current reference
+      5. Update .onx/workspace pointer with latest state
+    - Added workspace state serialization/deserialization
 
-16. **Create transactional wrapper** (`internal/core/transaction.go`)
-    ```go
-    func ExecuteWithTransaction(repo *Repository, cmd string, 
-        fn func() error) error {
-        // 1. Capture state_before
-        // 2. Create oplog entry
-        // 3. Execute fn()
-        // 4. Capture state_after
-        // 5. Finalize oplog entry
-        // 6. Handle rollback on error
-    }
-    ```
+24. ✓ **Create daemon entry point** (`cmd/onxd/main.go`)
+    - Implemented command-line interface with cobra
+    - Parse command line flags (repo path, interval, debounce)
+    - Initialize daemon with configuration
+    - Set up signal handlers (SIGTERM, SIGINT) for graceful shutdown
+    - Run main loop with PID file management
 
-### onx init Command
+25. ✓ **Implement daemon control** (`internal/commands/daemon.go`)
+    - `onx daemon start` - Start background daemon with process detachment
+    - `onx daemon stop` - Stop daemon gracefully using SIGTERM
+    - `onx daemon status` - Check daemon status via PID file
+    - PID file management in .onx/daemon.pid
+    - Process lifecycle management with proper signal handling
 
-17. **Implement init command** (`internal/commands/init.go`)
-    - Create .git directory (via go-git)
-    - Create .onx directory structure
-    - Initialize empty oplog file
-    - Create default workstreams.json
-    - Create workspace pointer file
-    - Add .onx to .gitignore
+### onx save Command
 
-18. **Create CLI structure** (`cmd/onx/main.go`)
-    ```go
-    func main() {
-        rootCmd := &cobra.Command{
-            Use:   "onx",
-            Short: "The iPhone of Version Control",
-        }
-        rootCmd.AddCommand(commands.InitCmd())
-        rootCmd.Execute()
-    }
-    ```
+26. ✓ **Implement save command** (`internal/commands/save.go`)
+    - Implemented Save() with complete workflow:
+      1. Read current ephemeral commit from refs/onyx/workspaces/current
+      2. Create new commit with user-provided message
+      3. Determine next branch number based on workstream commit count
+      4. Create branch ref (refs/onyx/workstreams/{name}/commit-{n})
+      5. Update workstreams.json with new commit metadata
+      6. Log to oplog via transaction support
+    - Integrated with existing workstream model
+    - Added transaction support for undo capability
 
-### onx undo Command
+27. ✓ **Add message validation**
+    - Require non-empty message (enforced by cobra flag)
+    - Validate message length (max 72 chars for title)
+    - Support multi-line messages with -m flag
+    - Proper error messages for validation failures
 
-19. **Implement undo logic** (`internal/commands/undo.go`)
-    - Read last oplog entry
-    - Restore all refs from state_before
-    - Update workspace pointer
-    - Mark entry as undone in oplog
-    - Perform git checkout to restore working directory
+### Implementation Summary
 
-20. **Add undo tests** (`internal/commands/undo_test.go`)
-    - Test undo after init
-    - Test sequential undos
-    - Test undo with nothing to undo
+All components of Milestone 2 have been successfully implemented:
+- **Daemon**: Full filesystem monitoring with fsnotify, debouncing, and automatic snapshots
+- **Save Command**: Complete integration with workstreams and oplog
+- **Infrastructure**: PID file management, signal handling, transaction support
+- **Testing**: All existing tests pass, binaries build successfully
+
+The implementation provides a solid foundation for transparent versioning in Onyx.