Add swaggo annotations to all handlers and regenerate full Swagger docs

- Added @Summary/@Router/@Param/@Success/@Security annotations to all API handlers
- Regenerated docs/swagger.json, docs/swagger.yaml, docs/docs.go with full endpoint definitions
- Fixed generated docs.go to remove unsupported LeftDelim/RightDelim fields

internal/voice/handlers.go

@@ -39,6 +39,18 @@ type tokenResponse struct {
 	LiveKitURL string `json:"livekit_url"`
 }
 
+// @Summary Get voice token
+// @Description Get a LiveKit access token for a voice room
+// @Tags voice
+// @Accept json
+// @Produce json
+// @Security SessionAuth
+// @Param body body tokenRequest true "Room data"
+// @Success 200 {object} tokenResponse
+// @Failure 400 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 404 {object} map[string]string
+// @Router /voice/token [post]
 func (h *Handler) GetToken(w http.ResponseWriter, r *http.Request) {
 	userID, ok := middleware.UserIDFromContext(r.Context())
 	if !ok {
@@ -94,6 +106,15 @@ func (h *Handler) GetToken(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
+// @Summary Get voice room participants
+// @Description Get participants in a voice room
+// @Tags voice
+// @Produce json
+// @Param roomID path string true "Room ID"
+// @Success 200 {array} object
+// @Failure 400 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /voice/rooms/{roomID}/participants [get]
 func (h *Handler) GetParticipants(w http.ResponseWriter, r *http.Request) {
 	roomID := chi.URLParam(r, "roomID")
 	if roomID == "" {