Add device model status API and rebuild agent binary

agent/internal/httpapi/models_status.go

@@ -0,0 +1,20 @@
+package httpapi
+
+import "net/http"
+
+func (s *Server) handleModelsStatus(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		errorJSON(w, http.StatusMethodNotAllowed, "method not allowed")
+		return
+	}
+	if !s.authorize(r, false) {
+		errorJSON(w, http.StatusUnauthorized, "unauthorized")
+		return
+	}
+	items, err := s.store.ListInstalledModels()
+	if err != nil {
+		errorJSON(w, http.StatusInternalServerError, "internal error: "+err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]any{"models": items})
+}

agent/internal/httpapi/models_status_test.go

@@ -0,0 +1,41 @@
+package httpapi
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"rk3588sys/agent/internal/modelstore"
+)
+
+func TestHandleModelsStatusReturnsInstalledModels(t *testing.T) {
+	dir := t.TempDir()
+	store := modelstore.New(dir, 8)
+	itemDir := store.FilesDir()
+	if err := os.MkdirAll(itemDir, 0o755); err != nil {
+		t.Fatalf("MkdirAll: %v", err)
+	}
+	modelPath := filepath.Join(itemDir, "face_det_scrfd_500m_640_rk3588__abc.rknn")
+	if err := os.WriteFile(modelPath, []byte("abc"), 0o644); err != nil {
+		t.Fatalf("WriteFile: %v", err)
+	}
+	if err := os.WriteFile(store.ManifestPath(), []byte(`{"items":[{"name":"face_det_scrfd_500m_640_rk3588","sha256":"abc","path":"`+filepath.ToSlash(modelPath)+`","size":3,"mtime_ms":1}]}`), 0o644); err != nil {
+		t.Fatalf("WriteFile manifest: %v", err)
+	}
+
+	srv := &Server{store: store}
+	req := httptest.NewRequest(http.MethodGet, "/v1/models/status", nil)
+	rr := httptest.NewRecorder()
+
+	srv.handleModelsStatus(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", rr.Code, rr.Body.String())
+	}
+	if !strings.Contains(rr.Body.String(), "face_det_scrfd_500m_640_rk3588") {
+		t.Fatalf("expected response to include model name, got %s", rr.Body.String())
+	}
+}

agent/internal/httpapi/server.go

@@ -127,6 +127,7 @@ func New(agentCfg config.AgentConfig, baseDir string, ms *mediaserver.Client, st
 	mux.HandleFunc("/v1/face-gallery", s.handleFaceGallery)
 	mux.HandleFunc("/v1/face-gallery/reload", s.handleFaceGalleryReload)
 	mux.HandleFunc("/v1/models", s.handleModelsList)
+	mux.HandleFunc("/v1/models/status", s.handleModelsStatus)
 	mux.HandleFunc("/v1/models/", s.handleModelUpload)
 	mux.HandleFunc("/v1/media-server/reload", s.handleMediaReload)
 	mux.HandleFunc("/v1/media-server/rollback", s.handleMediaRollback)

agent/internal/modelstore/modelstore.go

@@ -26,6 +26,15 @@ type Manifest struct {
 	Items []Item `json:"items"`
 }
 
+type InstalledModel struct {
+	Name      string `json:"name"`
+	FileName  string `json:"file_name"`
+	Sha256    string `json:"sha256"`
+	Path      string `json:"path"`
+	Size      int64  `json:"size"`
+	MtimeMS   int64  `json:"mtime_ms"`
+}
+
 type Store struct {
 	ModelsDir      string
 	MaxUploadBytes int64
@@ -136,6 +145,26 @@ func (s *Store) List() (Manifest, error) {
 	return m, nil
 }
 
+func (s *Store) ListInstalledModels() ([]InstalledModel, error) {
+	manifest, err := s.List()
+	if err != nil {
+		return nil, err
+	}
+	items := make([]InstalledModel, 0, len(manifest.Items))
+	for _, item := range manifest.Items {
+		fileName := filepath.Base(filepath.FromSlash(item.Path))
+		items = append(items, InstalledModel{
+			Name:     item.Name,
+			FileName: fileName,
+			Sha256:   item.Sha256,
+			Path:     item.Path,
+			Size:     item.Size,
+			MtimeMS:  item.MtimeMS,
+		})
+	}
+	return items, nil
+}
+
 func (s *Store) upsertManifest(item Item) error {
 	m, err := s.List()
 	if err != nil {

agent/internal/modelstore/modelstore_test.go

@@ -0,0 +1,30 @@
+package modelstore
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestListInstalledModelsUsesManifestEntries(t *testing.T) {
+	dir := t.TempDir()
+	store := New(dir, 8)
+	if err := os.MkdirAll(store.FilesDir(), 0o755); err != nil {
+		t.Fatalf("MkdirAll: %v", err)
+	}
+	modelPath := filepath.Join(store.FilesDir(), "face_det_scrfd_500m_640_rk3588__abc.rknn")
+	if err := os.WriteFile(modelPath, []byte("abc"), 0o644); err != nil {
+		t.Fatalf("WriteFile: %v", err)
+	}
+	if err := os.WriteFile(store.ManifestPath(), []byte(`{"items":[{"name":"face_det_scrfd_500m_640_rk3588","sha256":"abc","path":"`+filepath.ToSlash(modelPath)+`","size":3,"mtime_ms":1}]}`), 0o644); err != nil {
+		t.Fatalf("WriteFile manifest: %v", err)
+	}
+
+	items, err := store.ListInstalledModels()
+	if err != nil {
+		t.Fatalf("ListInstalledModels: %v", err)
+	}
+	if len(items) != 1 || items[0].FileName == "" {
+		t.Fatalf("unexpected installed models: %#v", items)
+	}
+}