--pick flag

cmd/root.go

@@ -46,7 +46,10 @@ Examples:
   dirmd -o ./docs ~/repos/myproject --proton-drive
 
   # Interactive TUI mode
-  dirmd --tui`,
+  dirmd --tui
+
+  # Pick specific files in vertical slices mode
+  dirmd -o ./docs ~/repos/myproject --vertical-slices --pick common/src/lib.rs --pick mssql-extractor/src/processor.rs`,
 		RunE: run,
 	}
 
@@ -67,6 +70,8 @@ Examples:
 	omitMd         bool
 	tuiMode        bool
 	instructions   bool
+	pickPaths      []string
+	smallTree      bool
 )
 
 func Execute() {
@@ -93,6 +98,8 @@ func init() {
 	rootCmd.Flags().BoolVar(&omitTest, "omit-test", false, "exclude test files (Go *_test.go, Java *Test.java) and strip #[cfg(test)] blocks from Rust")
 	rootCmd.Flags().BoolVar(&omitMd, "omit-md", false, "omit all .md files except README.md")
 	rootCmd.Flags().BoolVar(&instructions, "instructions", false, "include .dirmd instructions file if present in root")
+	rootCmd.Flags().StringArrayVar(&pickPaths, "pick", nil, "repeatable: relative path to file to include as pick (requires --vertical-slices)")
+	rootCmd.Flags().BoolVar(&smallTree, "small-tree", false, "use breadcrumb-only tree for picked files (default: full tree)")
 }
 
 func run(cmd *cobra.Command, args []string) error {
@@ -120,6 +127,10 @@ func run(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("--skip-frontend and --frontend-only are mutually exclusive")
 	}
 
+	if len(pickPaths) > 0 && !verticalSlices {
+		return fmt.Errorf("--pick requires --vertical-slices")
+	}
+
 	excludedExts := append(config.DefaultExts, extensions...)
 	if skipFrontend {
 		excludedExts = append(excludedExts, config.FrontendExts...)
@@ -141,6 +152,8 @@ func run(cmd *cobra.Command, args []string) error {
 		OmitTest:            omitTest,
 		OmitMd:              omitMd,
 		IncludeInstructions: instructions,
+		PickPaths:           pickPaths,
+		SmallTree:           smallTree,
 	}
 
 	if singleFile != "" {