refactor: separate resources directory from models; migrate face_gallery.db to resources/face_gallery/

agent/internal/config/config.go

@@ -23,6 +23,7 @@ type AgentConfig struct {
 	DeviceName          string                   `json:"device_name"`
 	DeviceIDPath        string                   `json:"device_id_path"`
 	ModelsDir           string                   `json:"models_dir"`
+	ResourcesDir        string                   `json:"resources_dir"`
 	MaxUploadMB         int                      `json:"max_upload_mb"`
 	ConfigPath          string                   `json:"config_path"`
 	MediaServerProcess  MediaServerProcessConfig `json:"media_server_process"`
@@ -54,6 +55,7 @@ func Default() Config {
 			DiscoveryPort:       35688,
 			DeviceIDPath:        "/var/lib/rk3588-agent/device_id",
 			ModelsDir:           "/opt/rk3588sys/models",
+		ResourcesDir:        "/opt/rk3588sys/resources",
 			MaxUploadMB:         200,
 			ConfigPath:          "/etc/rk3588sys/config.json",
 			MediaServerProcess: MediaServerProcessConfig{
@@ -106,6 +108,9 @@ func (c Config) Validate() error {
 	if strings.TrimSpace(a.ModelsDir) == "" {
 		return errors.New("agent.models_dir is required")
 	}
+	if strings.TrimSpace(a.ResourcesDir) == "" {
+		return errors.New("agent.resources_dir is required")
+	}
 	if strings.TrimSpace(a.ConfigPath) == "" {
 		return errors.New("agent.config_path is required")
 	}

agent/internal/httpapi/face_gallery.go

@@ -22,7 +22,7 @@ type faceGalleryInfo struct {
 }
 
 func (s *Server) faceGalleryPath() string {
-	return filepath.Join(s.agentCfg.ModelsDir, "face_gallery.db")
+	return filepath.Join(s.resourcesDir, "face_gallery", "face_gallery.db")
 }
 
 func (s *Server) handleFaceGallery(w http.ResponseWriter, r *http.Request) {

agent/internal/httpapi/resources.go

@@ -21,10 +21,6 @@ type installedResource struct {
 	UpdatedAt    int64  `json:"updated_at"`
 }
 
-func (s *Server) resourcesDir() string {
-	return filepath.Join(s.agentCfg.ModelsDir, "resources")
-}
-
 // handleResourcesStatus returns all installed resources on this device.
 // GET /v1/resources/status
 func (s *Server) handleResourcesStatus(w http.ResponseWriter, r *http.Request) {
@@ -39,22 +35,8 @@ func (s *Server) handleResourcesStatus(w http.ResponseWriter, r *http.Request) {
 
 	resources := make([]installedResource, 0)
 
-	// 1. Face gallery (stored at modelsDir/face_gallery.db)
-	fgPath := filepath.Join(s.agentCfg.ModelsDir, "face_gallery.db")
-	if st, err := os.Stat(fgPath); err == nil {
-		sha, _ := fileSHA256HTTP(fgPath)
-		name := strings.TrimSuffix(filepath.Base(fgPath), filepath.Ext(fgPath))
-		resources = append(resources, installedResource{
-			Name:         name,
-			ResourceType: "face_gallery",
-			SHA256:       sha,
-			SizeBytes:    st.Size(),
-			UpdatedAt:    st.ModTime().Unix(),
-		})
-	}
-
-	// 2. Resources directory — scan each type subdirectory
-	resDir := s.resourcesDir()
+	// Scan resourcesDir — each subdirectory is a resource_type
+	resDir := s.resourcesDir
 	entries, err := os.ReadDir(resDir)
 	if err == nil {
 		for _, entry := range entries {
@@ -96,18 +78,7 @@ func (s *Server) handleResourcesStatus(w http.ResponseWriter, r *http.Request) {
 		return resources[i].Name < resources[j].Name
 	})
 
-	// dedup by resource_type + name (face_gallery.db may appear both in modelsDir and resources/)
-	seen := make(map[string]bool, len(resources))
-	deduped := make([]installedResource, 0, len(resources))
-	for _, r := range resources {
-		key := r.ResourceType + "/" + r.Name
-		if !seen[key] {
-			seen[key] = true
-			deduped = append(deduped, r)
-		}
-	}
-
-	writeJSON(w, http.StatusOK, map[string]any{"resources": deduped})
+	writeJSON(w, http.StatusOK, map[string]any{"resources": resources})
 }
 
 // handleResourceUpload accepts a resource file upload.
@@ -147,7 +118,7 @@ func (s *Server) handleResourceUpload(w http.ResponseWriter, r *http.Request) {
 	maxBytes := int64(s.agentCfg.MaxUploadMB) * 1024 * 1024
 	r.Body = http.MaxBytesReader(w, r.Body, maxBytes)
 
-	typeDir := filepath.Join(s.resourcesDir(), resourceType)
+	typeDir := filepath.Join(s.resourcesDir, resourceType)
 	if err := files.EnsureDir(typeDir, 0o755); err != nil {
 		errorJSON(w, http.StatusInternalServerError, "internal error: "+err.Error())
 		return

agent/internal/httpapi/server.go

@@ -37,6 +37,7 @@ type Server struct {
 	tasks     *tasks.Registry
 	baseDir   string
 	execPath  string
+	resourcesDir string
 	deviceID  string
 	hostname  string
 	agentPort int
@@ -95,6 +96,10 @@ func New(agentCfg config.AgentConfig, baseDir string, ms *mediaserver.Client, st
 			execPath = resolved
 		}
 	}
+	resourcesDir := strings.TrimSpace(agentCfg.ResourcesDir)
+	if resourcesDir == "" {
+		resourcesDir = filepath.Join(baseDir, "resources")
+	}
 	s := &Server{
 		agentCfg:  agentCfg,
 		ms:        ms,
@@ -104,6 +109,7 @@ func New(agentCfg config.AgentConfig, baseDir string, ms *mediaserver.Client, st
 		tasks:     tasks.NewRegistry(),
 		baseDir:   baseDir,
 		execPath:  execPath,
+		resourcesDir: resourcesDir,
 		deviceID:  deviceID,
 		hostname:  sysinfo.Hostname(),
 		agentPort: agentPort,
@@ -150,6 +156,18 @@ func New(agentCfg config.AgentConfig, baseDir string, ms *mediaserver.Client, st
 	mux.HandleFunc("/v1/assets", s.handleAssets)
 	mux.HandleFunc("/v1/tasks/", s.handleTask)
 
+	// Migrate face_gallery.db from old location (modelsDir) to new location (resourcesDir)
+	oldFG := filepath.Join(agentCfg.ModelsDir, "face_gallery.db")
+	newFGDir := filepath.Join(resourcesDir, "face_gallery")
+	newFG := filepath.Join(newFGDir, "face_gallery.db")
+	if _, err := os.Stat(oldFG); err == nil {
+		if _, err := os.Stat(newFG); os.IsNotExist(err) {
+			_ = files.EnsureDir(newFGDir, 0o755)
+			if data, rerr := os.ReadFile(oldFG); rerr == nil {
+				_ = files.WriteFileAtomic(newFG, data, 0o644)
+			}
+		}
+	}
 	s.handler = mux
 	return s
 }