refactor(management): rename GetUsage to GetUsageQueue and update routes/tests

- Renamed handler and test methods for better clarity on functionality.
- Updated route from `/v0/management/usage` to `/v0/management/usage-queue`.
- Adjusted integration and unit tests to reflect new naming and routes.

internal/api/handlers/management/usage.go

@@ -20,8 +20,8 @@ func (r usageQueueRecord) MarshalJSON() ([]byte, error) {
 	return json.Marshal(string(r))
 }
 
-// GetUsage pops queued usage records from the Redis-compatible usage queue.
+// GetUsageQueue pops queued usage records from the usage queue.
-func (h *Handler) GetUsage(c *gin.Context) {
+func (h *Handler) GetUsageQueue(c *gin.Context) {
 	if h == nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "handler unavailable"})
 		return

internal/api/handlers/management/usage_test.go

@@ -10,7 +10,7 @@ import (
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/redisqueue"
 )
 
-func TestGetUsagePopsRequestedRecords(t *testing.T) {
+func TestGetUsageQueuePopsRequestedRecords(t *testing.T) {
 	gin.SetMode(gin.TestMode)
 	withManagementUsageQueue(t, func() {
 		redisqueue.Enqueue([]byte(`{"id":1}`))
@@ -19,10 +19,10 @@ func TestGetUsagePopsRequestedRecords(t *testing.T) {
 
 		rec := httptest.NewRecorder()
 		ginCtx, _ := gin.CreateTestContext(rec)
-		ginCtx.Request = httptest.NewRequest(http.MethodGet, "/v0/management/usage?count=2", nil)
+		ginCtx.Request = httptest.NewRequest(http.MethodGet, "/v0/management/usage-queue?count=2", nil)
 
 		h := &Handler{}
-		h.GetUsage(ginCtx)
+		h.GetUsageQueue(ginCtx)
 
 		if rec.Code != http.StatusOK {
 			t.Fatalf("status = %d, want %d body=%s", rec.Code, http.StatusOK, rec.Body.String())
@@ -45,17 +45,17 @@ func TestGetUsagePopsRequestedRecords(t *testing.T) {
 	})
 }
 
-func TestGetUsageInvalidCountDoesNotPop(t *testing.T) {
+func TestGetUsageQueueInvalidCountDoesNotPop(t *testing.T) {
 	gin.SetMode(gin.TestMode)
 	withManagementUsageQueue(t, func() {
 		redisqueue.Enqueue([]byte(`{"id":1}`))
 
 		rec := httptest.NewRecorder()
 		ginCtx, _ := gin.CreateTestContext(rec)
-		ginCtx.Request = httptest.NewRequest(http.MethodGet, "/v0/management/usage?count=0", nil)
+		ginCtx.Request = httptest.NewRequest(http.MethodGet, "/v0/management/usage-queue?count=0", nil)
 
 		h := &Handler{}
-		h.GetUsage(ginCtx)
+		h.GetUsageQueue(ginCtx)
 
 		if rec.Code != http.StatusBadRequest {
 			t.Fatalf("status = %d, want %d body=%s", rec.Code, http.StatusBadRequest, rec.Body.String())

internal/api/server.go

@@ -551,7 +551,7 @@ func (s *Server) registerManagementRoutes() {
 		mgmt.PATCH("/api-keys", s.mgmt.PatchAPIKeys)
 		mgmt.DELETE("/api-keys", s.mgmt.DeleteAPIKeys)
 		mgmt.GET("/api-key-usage", s.mgmt.GetAPIKeyUsage)
-		mgmt.GET("/usage", s.mgmt.GetUsage)
+		mgmt.GET("/usage-queue", s.mgmt.GetUsageQueue)
 
 		mgmt.GET("/gemini-api-key", s.mgmt.GetGeminiKeys)
 		mgmt.PUT("/gemini-api-key", s.mgmt.PutGeminiKeys)

internal/api/server_test.go

@@ -100,14 +100,22 @@ func TestManagementUsageRequiresManagementAuthAndPopsArray(t *testing.T) {
 	redisqueue.Enqueue([]byte(`{"id":1}`))
 	redisqueue.Enqueue([]byte(`{"id":2}`))
 
-	missingKeyReq := httptest.NewRequest(http.MethodGet, "/v0/management/usage?count=2", nil)
+	missingKeyReq := httptest.NewRequest(http.MethodGet, "/v0/management/usage-queue?count=2", nil)
 	missingKeyRR := httptest.NewRecorder()
 	server.engine.ServeHTTP(missingKeyRR, missingKeyReq)
 	if missingKeyRR.Code != http.StatusUnauthorized {
 		t.Fatalf("missing key status = %d, want %d body=%s", missingKeyRR.Code, http.StatusUnauthorized, missingKeyRR.Body.String())
 	}
 
-	authReq := httptest.NewRequest(http.MethodGet, "/v0/management/usage?count=2", nil)
+	legacyReq := httptest.NewRequest(http.MethodGet, "/v0/management/usage?count=2", nil)
+	legacyReq.Header.Set("Authorization", "Bearer test-management-key")
+	legacyRR := httptest.NewRecorder()
+	server.engine.ServeHTTP(legacyRR, legacyReq)
+	if legacyRR.Code != http.StatusNotFound {
+		t.Fatalf("legacy usage status = %d, want %d body=%s", legacyRR.Code, http.StatusNotFound, legacyRR.Body.String())
+	}
+
+	authReq := httptest.NewRequest(http.MethodGet, "/v0/management/usage-queue?count=2", nil)
 	authReq.Header.Set("Authorization", "Bearer test-management-key")
 	authRR := httptest.NewRecorder()
 	server.engine.ServeHTTP(authRR, authReq)