Align usage dashboard with CCSwitch

Filter request logs to model API calls and add request, provider, model, and settings tabs.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

internal/gateway/server.go

@@ -35,6 +35,8 @@ type LogEntry struct {
 	Time         time.Time `json:"time"`
 	Method       string    `json:"method"`
 	Path         string    `json:"path"`
+	App          string    `json:"app,omitempty"`
+	Provider     string    `json:"provider,omitempty"`
 	Model        string    `json:"model,omitempty"`
 	Status       int       `json:"status"`
 	DurationMS   int64     `json:"duration_ms"`
@@ -71,9 +73,9 @@ func (s *Server) Port() int { return s.port }
 // Handler returns the full HTTP handler.
 func (s *Server) Handler() http.Handler {
 	mux := http.NewServeMux()
-	mux.HandleFunc("POST /v1/messages", s.withAuth(s.handleMessages))
+	mux.Handle("POST /v1/messages", s.withLogging(s.withAuth(s.handleMessages)))
 	mux.HandleFunc("POST /v1/messages/count_tokens", s.withAuth(s.handleCountTokens))
-	mux.HandleFunc("POST /v1/responses", s.withAuth(s.handleResponses))
+	mux.Handle("POST /v1/responses", s.withLogging(s.withAuth(s.handleResponses)))
 	mux.HandleFunc("GET /api/status", s.handleStatus)
 	mux.HandleFunc("POST /api/fetch-models", s.handleFetchModels)
 	mux.HandleFunc("GET /api/providers", s.handleListProviders)
@@ -86,7 +88,7 @@ func (s *Server) Handler() http.Handler {
 	mux.HandleFunc("GET /api/settings", s.handleGetSettings)
 	mux.HandleFunc("PUT /api/settings", s.handleUpdateSettings)
 	mux.HandleFunc("GET /api/logs", s.handleLogs)
-	return s.withLogging(mux)
+	return mux
 }
 
 // withAuth protects the Anthropic-compatible endpoints with the local
@@ -139,6 +141,17 @@ func (rec *record) update(fn func(*LogEntry)) {
 	fn(&rec.entry)
 }
 
+func requestApp(path string) string {
+	switch path {
+	case "/v1/messages":
+		return "Claude Code"
+	case "/v1/responses":
+		return "Codex"
+	default:
+		return ""
+	}
+}
+
 func (s *Server) withLogging(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		start := time.Now()
@@ -146,6 +159,7 @@ func (s *Server) withLogging(next http.Handler) http.Handler {
 			Time:   start,
 			Method: r.Method,
 			Path:   r.URL.Path,
+			App:    requestApp(r.URL.Path),
 		}}
 		ww := &statusWriter{ResponseWriter: w, status: http.StatusOK}
 		next.ServeHTTP(ww, r.WithContext(context.WithValue(r.Context(), recordKey{}, rec)))