fix(dolt): enable server mode for Gas Town integration (bd-nnjik)

- Skip Bootstrap when ServerMode is true (bootstrap is for embedded cold-start)
- Fix doltExists() to follow symlinks using os.Stat
- Pass database name from metadata.json to DoltStore config

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/configfile/configfile.go

@@ -262,3 +262,16 @@ func (c *Config) GetDoltServerUser() string {
 	}
 	return c.DoltServerUser
 }
+
+// GetDoltDatabase returns the database name for Dolt server mode.
+// This is different from DatabasePath which returns the on-disk path.
+// For server mode, Database field contains the database name on the server
+// (e.g., "hq", "gastown", "beads"). Defaults to "beads".
+func (c *Config) GetDoltDatabase() string {
+	db := strings.TrimSpace(c.Database)
+	if db == "" || db == "beads.db" || db == "dolt" {
+		return "beads"
+	}
+	// Strip any path components - just want the database name
+	return filepath.Base(db)
+}

internal/storage/dolt/bootstrap.go

@@ -101,9 +101,15 @@ func doltExists(doltPath string) bool {
 	}
 
 	for _, entry := range entries {
-		if entry.IsDir() {
-			doltDir := filepath.Join(doltPath, entry.Name(), ".dolt")
-			if info, err := os.Stat(doltDir); err == nil && info.IsDir() {
+		// Use os.Stat to follow symlinks - entry.IsDir() returns false for symlinks
+		fullPath := filepath.Join(doltPath, entry.Name())
+		info, err := os.Stat(fullPath)
+		if err != nil {
+			continue
+		}
+		if info.IsDir() {
+			doltDir := filepath.Join(fullPath, ".dolt")
+			if doltInfo, err := os.Stat(doltDir); err == nil && doltInfo.IsDir() {
 				return true
 			}
 		}

internal/storage/factory/factory.go

@@ -32,6 +32,7 @@ type Options struct {
 	ServerHost string // Server host (default: 127.0.0.1)
 	ServerPort int    // Server port (default: 3306)
 	ServerUser string // MySQL user (default: root)
+	Database   string // Database name for Dolt server mode (default: beads)
 }
 
 // New creates a storage backend based on the backend type.
@@ -101,6 +102,9 @@ func NewFromConfigWithOptions(ctx context.Context, beadsDir string, opts Options
 			if opts.ServerUser == "" {
 				opts.ServerUser = cfg.GetDoltServerUser()
 			}
+			if opts.Database == "" {
+				opts.Database = cfg.GetDoltDatabase()
+			}
 		}
 		return NewWithOptions(ctx, backend, cfg.DatabasePath(beadsDir), opts)
 	default:

internal/storage/factory/factory_dolt.go

@@ -15,34 +15,38 @@ import (
 
 func init() {
 	RegisterBackend(configfile.BackendDolt, func(ctx context.Context, path string, opts Options) (storage.Storage, error) {
-		// Check if bootstrap is needed (JSONL exists but Dolt doesn't)
-		// Path is the dolt subdirectory, parent is .beads directory
-		beadsDir := filepath.Dir(path)
+		// Only bootstrap in embedded mode - server mode has database on server
+		if !opts.ServerMode {
+			// Check if bootstrap is needed (JSONL exists but Dolt doesn't)
+			// Path is the dolt subdirectory, parent is .beads directory
+			beadsDir := filepath.Dir(path)
 
-		bootstrapped, result, err := dolt.Bootstrap(ctx, dolt.BootstrapConfig{
-			BeadsDir:    beadsDir,
-			DoltPath:    path,
-			LockTimeout: opts.LockTimeout,
-		})
-		if err != nil {
-			return nil, fmt.Errorf("bootstrap failed: %w", err)
-		}
+			bootstrapped, result, err := dolt.Bootstrap(ctx, dolt.BootstrapConfig{
+				BeadsDir:    beadsDir,
+				DoltPath:    path,
+				LockTimeout: opts.LockTimeout,
+			})
+			if err != nil {
+				return nil, fmt.Errorf("bootstrap failed: %w", err)
+			}
 
-		if bootstrapped && result != nil {
-			// Report bootstrap results
-			fmt.Fprintf(os.Stderr, "Bootstrapping Dolt from JSONL...\n")
-			if len(result.ParseErrors) > 0 {
-				fmt.Fprintf(os.Stderr, "  Skipped %d malformed lines (see above for details)\n", len(result.ParseErrors))
+			if bootstrapped && result != nil {
+				// Report bootstrap results
+				fmt.Fprintf(os.Stderr, "Bootstrapping Dolt from JSONL...\n")
+				if len(result.ParseErrors) > 0 {
+					fmt.Fprintf(os.Stderr, "  Skipped %d malformed lines (see above for details)\n", len(result.ParseErrors))
+				}
+				fmt.Fprintf(os.Stderr, "  Imported %d issues", result.IssuesImported)
+				if result.IssuesSkipped > 0 {
+					fmt.Fprintf(os.Stderr, ", skipped %d duplicates", result.IssuesSkipped)
+				}
+				fmt.Fprintf(os.Stderr, "\n  Dolt database ready\n")
 			}
-			fmt.Fprintf(os.Stderr, "  Imported %d issues", result.IssuesImported)
-			if result.IssuesSkipped > 0 {
-				fmt.Fprintf(os.Stderr, ", skipped %d duplicates", result.IssuesSkipped)
-			}
-			fmt.Fprintf(os.Stderr, "\n  Dolt database ready\n")
 		}
 
 		return dolt.New(ctx, &dolt.Config{
 			Path:       path,
+			Database:   opts.Database,
 			ReadOnly:   opts.ReadOnly,
 			ServerMode: opts.ServerMode,
 			ServerHost: opts.ServerHost,