feat: show scanning progress as percentage in disk analyzer

- Implemented progress percentage display (e.g., `(45%)`) in `cmd/analyze` to show scanning status based on cached total files.
- Kept the UI clean by avoiding a full progress bar.
- fix: formatting improvements in `bin/touchid.sh`.

cmd/analyze/cache.go

@@ -30,6 +30,7 @@ func snapshotFromModel(m model) historyEntry {
 		Entries:       cloneDirEntries(m.entries),
 		LargeFiles:    cloneFileEntries(m.largeFiles),
 		TotalSize:     m.totalSize,
+		TotalFiles:    m.totalFiles,
 		Selected:      m.selected,
 		EntryOffset:   m.offset,
 		LargeSelected: m.largeSelected,
@@ -250,6 +251,7 @@ func saveCacheToDisk(path string, result scanResult) error {
 		Entries:    result.Entries,
 		LargeFiles: result.LargeFiles,
 		TotalSize:  result.TotalSize,
+		TotalFiles: result.TotalFiles,
 		ModTime:    info.ModTime(),
 		ScanTime:   time.Now(),
 	}
@@ -264,6 +266,29 @@ func saveCacheToDisk(path string, result scanResult) error {
 	return encoder.Encode(entry)
 }
 
+// peekCacheTotalFiles attempts to read the total file count from cache,
+// ignoring expiration. Used for initial scan progress estimates.
+func peekCacheTotalFiles(path string) (int64, error) {
+	cachePath, err := getCachePath(path)
+	if err != nil {
+		return 0, err
+	}
+
+	file, err := os.Open(cachePath)
+	if err != nil {
+		return 0, err
+	}
+	defer file.Close() //nolint:errcheck
+
+	var entry cacheEntry
+	decoder := gob.NewDecoder(file)
+	if err := decoder.Decode(&entry); err != nil {
+		return 0, err
+	}
+
+	return entry.TotalFiles, nil
+}
+
 func invalidateCache(path string) {
 	cachePath, err := getCachePath(path)
 	if err == nil {

cmd/analyze/main.go

@@ -35,12 +35,14 @@ type scanResult struct {
 	Entries    []dirEntry
 	LargeFiles []fileEntry
 	TotalSize  int64
+	TotalFiles int64
 }
 
 type cacheEntry struct {
 	Entries    []dirEntry
 	LargeFiles []fileEntry
 	TotalSize  int64
+	TotalFiles int64
 	ModTime    time.Time
 	ScanTime   time.Time
 }
@@ -50,6 +52,7 @@ type historyEntry struct {
 	Entries       []dirEntry
 	LargeFiles    []fileEntry
 	TotalSize     int64
+	TotalFiles    int64
 	Selected      int
 	EntryOffset   int
 	LargeSelected int
@@ -114,6 +117,8 @@ type model struct {
 	height               int             // Terminal height
 	multiSelected        map[string]bool // Track multi-selected items by path (safer than index)
 	largeMultiSelected   map[string]bool // Track multi-selected large files by path (safer than index)
+	totalFiles           int64           // Total files found in current/last scan
+	lastTotalFiles       int64           // Total files from previous scan (for progress bar)
 }
 
 func (m model) inOverviewMode() bool {
@@ -195,6 +200,13 @@ func newModel(path string, isOverview bool) model {
 		}
 	}
 
+	// Try to peek last total files for progress bar, even if cache is stale
+	if !isOverview {
+		if total, err := peekCacheTotalFiles(path); err == nil && total > 0 {
+			m.lastTotalFiles = total
+		}
+	}
+
 	return m
 }
 
@@ -355,6 +367,7 @@ func (m model) scanCmd(path string) tea.Cmd {
 				Entries:    cached.Entries,
 				LargeFiles: cached.LargeFiles,
 				TotalSize:  cached.TotalSize,
+				TotalFiles: 0, // Cache doesn't store file count currently, minor UI limitation
 			}
 			return scanResultMsg{result: result, err: nil}
 		}
@@ -441,6 +454,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.entries = filteredEntries
 		m.largeFiles = msg.result.LargeFiles
 		m.totalSize = msg.result.TotalSize
+		m.totalFiles = msg.result.TotalFiles
 		m.status = fmt.Sprintf("Scanned %s", humanizeBytes(m.totalSize))
 		m.clampEntrySelection()
 		m.clampLargeSelection()
@@ -685,6 +699,9 @@ func (m model) updateKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 		invalidateCache(m.path)
 		m.status = "Refreshing..."
 		m.scanning = true
+		if m.totalFiles > 0 {
+			m.lastTotalFiles = m.totalFiles
+		}
 		atomic.StoreInt64(m.filesScanned, 0)
 		atomic.StoreInt64(m.dirsScanned, 0)
 		atomic.StoreInt64(m.bytesScanned, 0)
@@ -968,6 +985,7 @@ func (m model) enterSelectedDir() (tea.Model, tea.Cmd) {
 			m.entries = cloneDirEntries(cached.Entries)
 			m.largeFiles = cloneFileEntries(cached.LargeFiles)
 			m.totalSize = cached.TotalSize
+			m.totalFiles = cached.TotalFiles
 			m.selected = cached.Selected
 			m.offset = cached.EntryOffset
 			m.largeSelected = cached.LargeSelected
@@ -978,6 +996,10 @@ func (m model) enterSelectedDir() (tea.Model, tea.Cmd) {
 			m.scanning = false
 			return m, nil
 		}
+		m.lastTotalFiles = 0
+		if total, err := peekCacheTotalFiles(m.path); err == nil && total > 0 {
+			m.lastTotalFiles = total
+		}
 		return m, tea.Batch(m.scanCmd(m.path), tickCmd())
 	}
 	m.status = fmt.Sprintf("File: %s (%s)", selected.Name, humanizeBytes(selected.Size))

cmd/analyze/scanner.go

@@ -251,6 +251,7 @@ func scanPathConcurrent(root string, filesScanned, dirsScanned, bytesScanned *in
 		Entries:    entries,
 		LargeFiles: largeFiles,
 		TotalSize:  total,
+		TotalFiles: atomic.LoadInt64(filesScanned),
 	}, nil
 }
 

cmd/analyze/view.go

@@ -75,10 +75,25 @@ func (m model) View() string {
 	if m.scanning {
 		filesScanned, dirsScanned, bytesScanned := m.getScanProgress()
 
-		fmt.Fprintf(&b, "%s%s%s%s Scanning: %s%s files%s, %s%s dirs%s, %s%s%s\n",
+		progressPrefix := ""
+		if m.lastTotalFiles > 0 {
+			percent := float64(filesScanned) / float64(m.lastTotalFiles) * 100
+			// Cap at 100% generally
+			if percent > 100 {
+				percent = 100
+			}
+			// While strictly scanning, cap at 99% to avoid "100% but still working" confusion
+			if m.scanning && percent >= 100 {
+				percent = 99
+			}
+			progressPrefix = fmt.Sprintf(" %s(%.0f%%)%s", colorCyan, percent, colorReset)
+		}
+
+		fmt.Fprintf(&b, "%s%s%s%s Scanning%s: %s%s files%s, %s%s dirs%s, %s%s%s\n",
 			colorCyan, colorBold,
 			spinnerFrames[m.spinner],
 			colorReset,
+			progressPrefix,
 			colorYellow, formatNumber(filesScanned), colorReset,
 			colorYellow, formatNumber(dirsScanned), colorReset,
 			colorGreen, humanizeBytes(bytesScanned), colorReset)