logging: mark antigravity credits requests

internal/logging/gin_logger.go

@@ -27,7 +27,10 @@ var aiAPIPrefixes = []string{
 	"/api/provider/",
 }
 
-const skipGinLogKey = "__gin_skip_request_logging__"
+const (
+	skipGinLogKey  = "__gin_skip_request_logging__"
+	creditsUsedKey = "__antigravity_credits_used__"
+)
 
 // GinLogrusLogger returns a Gin middleware handler that logs HTTP requests and responses
 // using logrus. It captures request details including method, path, status code, latency,
@@ -79,6 +82,9 @@ func GinLogrusLogger() gin.HandlerFunc {
 			requestID = "--------"
 		}
 		logLine := fmt.Sprintf("%3d | %13v | %15s | %-7s \"%s\"", statusCode, latency, clientIP, method, path)
+		if creditsUsed(c) {
+			logLine += " [credits]"
+		}
 		if errorMessage != "" {
 			logLine = logLine + " | " + errorMessage
 		}
@@ -149,3 +155,15 @@ func shouldSkipGinRequestLogging(c *gin.Context) bool {
 	flag, ok := val.(bool)
 	return ok && flag
 }
+
+func creditsUsed(c *gin.Context) bool {
+	if c == nil {
+		return false
+	}
+	val, exists := c.Get(creditsUsedKey)
+	if !exists {
+		return false
+	}
+	flag, ok := val.(bool)
+	return ok && flag
+}

internal/runtime/executor/antigravity_executor.go

@@ -2242,9 +2242,9 @@ var antigravityBaseURLFallbackOrder = func(auth *cliproxyauth.Auth) []string {
 		return []string{base}
 	}
 	return []string{
-		antigravityBaseURLProd,
 		antigravityBaseURLDaily,
-		antigravitySandboxBaseURLDaily,
+		antigravityBaseURLProd,
+		// antigravitySandboxBaseURLDaily,
 	}
 }