add .dirmd and other metadata

internal/config/config.go

@@ -15,22 +15,9 @@ const (
 )
 
 var DefaultIgnores = []string{
-	".git",
-	"node_modules",
-	"vendor",
-	"bin",
-	"go.mod",
-	"go.sum",
-	"target",
-	"build",
-	"dist",
-	"Cargo.lock",
-	".idea",
-	".vscode",
-	"dependency-reduced-pom.xml",
-	"__pycache__",
-	"venv",
-	"env",
+	".git", "node_modules", "vendor", "bin", "go.mod", "go.sum",
+	"target", "build", "dist", "Cargo.lock", ".idea", ".vscode",
+	"dependency-reduced-pom.xml", "__pycache__", "venv", "env",
 }
 
 var DefaultExts = []string{
@@ -42,10 +29,7 @@ var DefaultExts = []string{
 	".pdf", ".doc", ".docx", ".xls", ".xlsx",
 	".pem", ".key", ".cert",
 	".db", ".sqlite", ".sqlite3",
-	".class",
-	".jar",
-	".war",
-	".ear",
+	".class", ".jar", ".war", ".ear",
 	".pyc", ".pyo",
 }
 
@@ -59,33 +43,28 @@ var FrontendExts = []string{
 
 type stringSlice []string
 
-func (s *stringSlice) String() string {
-	return strings.Join(*s, ", ")
-}
-
-func (s *stringSlice) Set(v string) error {
-	*s = append(*s, v)
-	return nil
-}
+func (s *stringSlice) String() string     { return strings.Join(*s, ", ") }
+func (s *stringSlice) Set(v string) error { *s = append(*s, v); return nil }
 
 type Config struct {
-	InputPath      string
-	OutputPath     string
-	AppendMode     bool
-	Force          bool
-	SingleFile     bool
-	MaxSize        int64
-	MaxDepth       int
-	Ignores        []string
-	Extensions     []string
-	AbsRoot        string
-	ProtonDrive    bool
-	DrivePath      string
-	VerticalSlices bool
-	SkipFrontend   bool
-	FrontendOnly   bool
-	OmitTest       bool
-	OmitMd         bool
+	InputPath           string
+	OutputPath          string
+	AppendMode          bool
+	Force               bool
+	SingleFile          bool
+	MaxSize             int64
+	MaxDepth            int
+	Ignores             []string
+	Extensions          []string
+	AbsRoot             string
+	ProtonDrive         bool
+	DrivePath           string
+	VerticalSlices      bool
+	SkipFrontend        bool
+	FrontendOnly        bool
+	OmitTest            bool
+	OmitMd              bool
+	IncludeInstructions bool
 }
 
 func PrintUsage() {
@@ -98,22 +77,23 @@ func PrintUsage() {
 
 func Parse() (*Config, error) {
 	var (
-		input          string
-		output         string
-		appendMd       bool
-		force          bool
-		maxSize        int64
-		maxDepth       int
-		ignores        stringSlice
-		exts           stringSlice
-		showVer        bool
-		protonDrive    bool
-		drivePath      string
-		verticalSlices bool
-		skipFrontend   bool
-		frontendOnly   bool
-		omitTest       bool
-		omitMd         bool
+		input               string
+		output              string
+		appendMd            bool
+		force               bool
+		maxSize             int64
+		maxDepth            int
+		ignores             stringSlice
+		exts                stringSlice
+		showVer             bool
+		protonDrive         bool
+		drivePath           string
+		verticalSlices      bool
+		skipFrontend        bool
+		frontendOnly        bool
+		omitTest            bool
+		omitMd              bool
+		includeInstructions bool
 	)
 
 	flag.StringVar(&input, "i", "", "single file input (append mode only)")
@@ -128,10 +108,11 @@ func Parse() (*Config, error) {
 	flag.BoolVar(&protonDrive, "proton-drive", false, "upload output to Proton Drive after writing locally")
 	flag.StringVar(&drivePath, "drive-path", "", "full remote path on Proton Drive (requires --proton-drive")
 	flag.BoolVar(&verticalSlices, "vertical-slices", false, "split output into root file + one markdown per top-level directory")
-	flag.BoolVar(&skipFrontend, "skip-frontend", false, "omit frontend file types (.html, .css, .js, .ts, .vue, .svelte, etc.)")
+	flag.BoolVar(&skipFrontend, "skip-frontend", false, "omit frontend file types")
 	flag.BoolVar(&frontendOnly, "frontend-only", false, "include only frontend file types and README.md")
-	flag.BoolVar(&omitTest, "omit-test", false, "exclude test files (Go *_test.go, Java *Test.java) and strip #[cfg(test)] blocks from Rust")
+	flag.BoolVar(&omitTest, "omit-test", false, "exclude test files and strip #[cfg(test)] blocks")
 	flag.BoolVar(&omitMd, "omit-md", false, "omit all .md files except README.md")
+	flag.BoolVar(&includeInstructions, "instructions", false, "include .dirmd instructions file if present in root")
 
 	flag.Usage = PrintUsage
 	flag.Parse()
@@ -144,19 +125,15 @@ func Parse() (*Config, error) {
 	if output == "" {
 		return nil, fmt.Errorf("-o is required")
 	}
-
 	if drivePath != "" && !protonDrive {
 		return nil, fmt.Errorf("--drive-path requires --proton-drive")
 	}
-
 	if verticalSlices && appendMd {
 		return nil, fmt.Errorf("--vertical-slices cannot be used with --append")
 	}
-
 	if verticalSlices && input != "" {
 		return nil, fmt.Errorf("--vertical-slices cannot be used with --input-file")
 	}
-
 	if skipFrontend && frontendOnly {
 		return nil, fmt.Errorf("--skip-frontend and --frontend-only are mutually exclusive")
 	}
@@ -167,20 +144,21 @@ func Parse() (*Config, error) {
 	}
 
 	cfg := &Config{
-		OutputPath:     output,
-		AppendMode:     appendMd,
-		Force:          force,
-		MaxSize:        maxSize,
-		MaxDepth:       maxDepth,
-		Ignores:        append(DefaultIgnores, ignores...),
-		Extensions:     excludedExts,
-		ProtonDrive:    protonDrive,
-		DrivePath:      drivePath,
-		VerticalSlices: verticalSlices,
-		SkipFrontend:   skipFrontend,
-		FrontendOnly:   frontendOnly,
-		OmitTest:       omitTest,
-		OmitMd:         omitMd,
+		OutputPath:          output,
+		AppendMode:          appendMd,
+		Force:               force,
+		MaxSize:             maxSize,
+		MaxDepth:            maxDepth,
+		Ignores:             append(DefaultIgnores, ignores...),
+		Extensions:          excludedExts,
+		ProtonDrive:         protonDrive,
+		DrivePath:           drivePath,
+		VerticalSlices:      verticalSlices,
+		SkipFrontend:        skipFrontend,
+		FrontendOnly:        frontendOnly,
+		OmitTest:            omitTest,
+		OmitMd:              omitMd,
+		IncludeInstructions: includeInstructions,
 	}
 
 	if input != "" {