use /oauth2/callback for oidc

Signed-off-by: kaedwen <kaedwen@heinrich.blue>

config.yaml

@@ -63,7 +63,7 @@ oidc:
   issuer: https://auth.example.com
   client_id: aitrade
   client_secret: your-secret-here
-  redirect_url: http://localhost:8080/callback
+  redirect_url: http://localhost:8080/oauth2/callback
   scopes:
     - openid
     - profile

pkg/app/web/server.go

@@ -87,7 +87,7 @@ func (s *Server) Run(ctx context.Context) error {
 
 	// Public endpoints (no auth required)
 	mux.HandleFunc("/health", s.handleHealth)
-	mux.HandleFunc("/callback", s.auth.HandleCallback)
+	mux.HandleFunc("/oauth2/callback", s.auth.HandleCallback)
 
 	// Protected endpoints (auth required)
 	mux.Handle("/", s.auth.Middleware(http.HandlerFunc(s.handleOverview)))