Replace interface{} with any

server/internal/handlers/admin_handlers.go

@@ -308,7 +308,7 @@ func (h *Handler) AdminUpdateUser() http.HandlerFunc {
 		}
 
 		// Track what's being updated for logging
-		updates := make(map[string]interface{})
+		updates := make(map[string]any)
 
 		if req.Email != "" {
 			user.Email = req.Email

server/internal/handlers/file_handlers_integration_test.go

@@ -192,7 +192,7 @@ func TestFileHandlers_Integration(t *testing.T) {
 				name   string
 				method string
 				path   string
-				body   interface{}
+				body   any
 			}{
 				{"list files", http.MethodGet, baseURL, nil},
 				{"get file", http.MethodGet, baseURL + "/test.md", nil},

server/internal/handlers/git_handlers_integration_test.go

@@ -123,7 +123,7 @@ func TestGitHandlers_Integration(t *testing.T) {
 				name   string
 				method string
 				path   string
-				body   interface{}
+				body   any
 			}{
 				{
 					name:   "commit without token",

server/internal/handlers/handlers.go

@@ -37,7 +37,7 @@ func NewHandler(db db.Database, s storage.Manager) *Handler {
 }
 
 // respondJSON is a helper to send JSON responses
-func respondJSON(w http.ResponseWriter, data interface{}) {
+func respondJSON(w http.ResponseWriter, data any) {
 	w.Header().Set("Content-Type", "application/json")
 	if err := json.NewEncoder(w).Encode(data); err != nil {
 		respondError(w, "Failed to encode response", http.StatusInternalServerError)

server/internal/handlers/integration_test.go

@@ -195,7 +195,7 @@ func (h *testHarness) createTestUser(t *testing.T, email, password string, role
 	}
 }
 
-func (h *testHarness) newRequest(t *testing.T, method, path string, body interface{}) *http.Request {
+func (h *testHarness) newRequest(t *testing.T, method, path string, body any) *http.Request {
 	t.Helper()
 
 	var reqBody []byte
@@ -246,7 +246,7 @@ func (h *testHarness) addCSRFCookie(t *testing.T, req *http.Request) string {
 }
 
 // makeRequest is the main helper for making JSON requests
-func (h *testHarness) makeRequest(t *testing.T, method, path string, body interface{}, testUser *testUser) *httptest.ResponseRecorder {
+func (h *testHarness) makeRequest(t *testing.T, method, path string, body any, testUser *testUser) *httptest.ResponseRecorder {
 	t.Helper()
 
 	req := h.newRequest(t, method, path, body)