feat(admin): add authenticated restart endpoint + fix admin username

- POST /api/v1/admin/restart: admin-only restart (forks new process)
- Fix: MemUserStore now uses cfg.AdminUsername instead of hardcoded 'admin'
- RestartFunc injected by main.go for clean process fork + exit

.env.bak

@@ -0,0 +1,74 @@
+# ============================================
+# Cyrene v2 配置文件 (.env)
+# 复制为 .env 后修改
+# ============================================
+
+# ---- 运行环境 ----
+ENV=development
+LOG_LEVEL=debug
+
+# ---- 服务器 ----
+PORT=8080
+HOST=0.0.0.0
+
+# ---- 数据库 (PostgreSQL + pgvector) ----
+POSTGRES_HOST=localhost
+POSTGRES_PORT=5432
+POSTGRES_USER=cyrene
+POSTGRES_PASSWORD=cyrene_pass
+POSTGRES_DB=cyrene_ai
+
+# ---- LLM API ----
+LLM_API_URL=https://api.deepseek.com/v1
+LLM_API_KEY=sk-6086952ab537454ab3bc0cf9b0c92343
+LLM_MODEL=deepseek-v4-flash
+LLM_FALLBACK_MODEL=deepseek-v4-flash
+
+# ---- 记忆嵌入 (可选) ----
+# 不配置时使用本地 n-gram 文本相似度
+# EMBEDDING_API_URL=http://localhost:11434/v1
+# EMBEDDING_MODEL=bge-m3
+
+# ---- 认证 ----
+JWT_SECRET=change-me-to-a-random-string-at-least-32-characters-long
+ADMIN_USERNAME=admin
+ADMIN_PASSWORD=admin12345
+REGISTRATION_ENABLED=true
+
+# ---- IoT 设备提供者 ----
+# mock      = 8 个模拟智能家居设备 (开发测试用)
+# none      = 禁用 IoT
+# 未来: homeassistant / mqtt
+IOT_PROVIDER=mock
+
+# ---- 语音服务 ----
+# DASHSCOPE_API_KEY=sk-xxxxx
+TTS_PROVIDER=edge-tts
+ASR_PROVIDER=dashscope
+
+# ---- 后台思考 ----
+ENABLE_BACKGROUND_THINKING=true
+THINK_INTERVAL_SEC=300
+THINK_SILENCE_TIMEOUT_SEC=120
+
+# ---- 平台桥接 ----
+# 桥接配置不在 .env 中管理。
+# 通过 Admin 面板 → 平台桥接 页面进行配置。
+# 配置将保存在 configs/bridge.json，支持热重载。
+
+# ---- 搜索 (SearXNG) ----
+# SEARXNG_URL=http://localhost:8088
+
+# ---- 数据目录 ----
+DATA_DIR=./data
+PERSONA_DIR=./internal/persona
+
+# ---- 跨域 ----
+ALLOWED_ORIGINS=http://localhost:5173,http://localhost:3000
+
+# ---- WebSocket ----
+WS_MAX_CONNECTIONS=1000
+SESSION_IDLE_TIMEOUT_MIN=30
+
+# ---- 时区 ----
+TZ=Asia/Shanghai

backend/cmd/cyrene/main.go

@@ -212,7 +212,7 @@ func main() {
 	log.Printf("[bridge] config store ready (path=%s, %d adapters)", bridgeCfgPath, bridgeStore.Count())
 
 	// === 12. Gateway ===
-	userStore := api.NewMemUserStore(cfg.AdminPassword)
+	userStore := api.NewMemUserStore(cfg.AdminUsername, cfg.AdminPassword)
 	authMgr := api.NewRealAuthManager(cfg.JWTSecret, cfg.JWTExpiryHours, userStore)
 
 	// Build dependencies for gateway handlers
@@ -254,6 +254,24 @@ func main() {
 	srv := &http.Server{Addr: addr, Handler: mainMux}
 
 	// === 13. Start ===
+	// Register restart handler — forks a new process and exits
+	api.RestartFunc = func() {
+		log.Printf("[gateway] restarting...")
+		reg.Shutdown()
+		srv.Close()
+		// Re-exec self with same args and env
+		exe, _ := os.Executable()
+		proc, err := os.StartProcess(exe, os.Args, &os.ProcAttr{
+			Env: os.Environ(),
+			Files: []*os.File{os.Stdin, os.Stdout, os.Stderr},
+		})
+		if err != nil {
+			log.Fatalf("[gateway] restart failed: %v", err)
+		}
+		log.Printf("[gateway] new process PID=%d, exiting...", proc.Pid)
+		os.Exit(0)
+	}
+
 	go func() {
 		log.Printf("[gateway] listening on %s", addr)
 		log.Printf("[gateway] plugins=%d tools=%d", reg.Count(), len(reg.GetAllToolDefinitions()))

backend/services/gateway/api/auth.go

@@ -28,14 +28,16 @@ type MemUserStore struct {
 	users map[string]*UserRecord
 }
 
-// NewMemUserStore creates an in-memory user store with a default admin.
-func NewMemUserStore(adminPassword string) *MemUserStore {
+// NewMemUserStore creates an in-memory user store with the configured admin account.
+func NewMemUserStore(adminUsername, adminPassword string) *MemUserStore {
 	s := &MemUserStore{users: make(map[string]*UserRecord)}
 
 	hash, _ := auth.HashPassword(adminPassword)
-	s.users["admin"] = &UserRecord{
-		UserID: "admin", Username: "admin",
-		PasswordHash: hash, Role: "admin",
+	s.users[adminUsername] = &UserRecord{
+		UserID:       adminUsername,
+		Username:     adminUsername,
+		PasswordHash: hash,
+		Role:         "admin",
 	}
 	return s
 }

backend/services/gateway/api/router.go

@@ -136,6 +136,7 @@ func (r *Router) setupRoutes() {
 
 	// Admin
 	r.mux.HandleFunc("/api/v1/admin/dashboard", r.authMW(r.adminMW(r.adminDashboardHandler)))
+	r.mux.HandleFunc("/api/v1/admin/restart", r.authMW(r.adminMW(r.adminRestartHandler)))
 	r.mux.HandleFunc("/api/v1/admin/llm-calls", r.authMW(r.adminMW(r.llmCallsHandler)))
 	r.mux.HandleFunc("/api/v1/admin/system", r.authMW(r.adminMW(r.systemInfoHandler)))
 	r.mux.HandleFunc("/api/v1/admin/plugins", r.authMW(r.adminMW(r.pluginListHandler)))
@@ -417,6 +418,19 @@ func (r *Router) adminDashboardHandler(w http.ResponseWriter, _ *http.Request) {
 	})
 }
 
+// RestartFunc is injected by main.go — called to restart the process.
+var RestartFunc func()
+
+func (r *Router) adminRestartHandler(w http.ResponseWriter, _ *http.Request) {
+	writeJSON(w, 200, M{"restart": "ok", "message": "Cyrene is restarting..."})
+	go func() {
+		time.Sleep(200 * time.Millisecond) // Let the response flush
+		if RestartFunc != nil {
+			RestartFunc()
+		}
+	}()
+}
+
 // --- Admin extra handlers ---
 
 func (r *Router) llmCallsHandler(w http.ResponseWriter, req *http.Request) {
@@ -638,3 +652,4 @@ func (r *Router) userID(req *http.Request) string { return req.Header.Get("X-Use
 
 // Ensure unused imports don't cause issues
 
+// Debug: this will be overwritten