Method Cleanup

cli/workspace/memory/daily.go:82–120

Cleanup deletes daily notes older than retentionDays. Returns the number of files deleted.

(retentionDays int)

// Cleanup deletes daily notes older than retentionDays.
// Returns the number of files deleted.
func (d *DailyNoteStore) Cleanup(retentionDays int) (int, error) {
	cutoff := time.Now().AddDate(0, 0, -retentionDays)
	deleted := 0

	err := filepath.Walk(d.memoryDir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			return nil // skip unreadable entries
		}
		if info.IsDir() {
			return nil
		}
		if !strings.HasSuffix(info.Name(), ".md") || info.Name() == "MEMORY.md" {
			return nil
		}

		// Parse date from filename (YYYYMMDD.md)
		name := strings.TrimSuffix(info.Name(), ".md")
		noteDate, parseErr := time.Parse("20060102", name)
		if parseErr != nil {
			return nil // not a date-formatted file, skip
		}

		if noteDate.Before(cutoff) {
			if rmErr := os.Remove(filepath.Clean(path)); rmErr != nil { //#nosec G122 -- path from filepath.Walk under memory dir, name validated above
				d.logger.Warn("failed to delete old daily note",
					zap.String("path", path), zap.Error(rmErr))
			} else {
				deleted++
				d.logger.Debug("deleted old daily note", zap.String("path", path))
			}
		}
		return nil
	})

	// Cleanup empty month directories
	d.cleanEmptyDirs()

	return deleted, err
}

// cleanEmptyDirs removes empty YYYYMM directories.
func (d *DailyNoteStore) cleanEmptyDirs() {