Merge pull request #464 from touwaeriol/pr/antigravity-scope-ratelimit

feat(antigravity): 支持按配额域(scope)级别限流

backend/internal/handler/dto/mappers.go

@@ -204,6 +204,17 @@ func AccountFromServiceShallow(a *service.Account) *Account {
 		}
 	}
 
+	if scopeLimits := a.GetAntigravityScopeRateLimits(); len(scopeLimits) > 0 {
+		out.ScopeRateLimits = make(map[string]ScopeRateLimitInfo, len(scopeLimits))
+		now := time.Now()
+		for scope, remainingSec := range scopeLimits {
+			out.ScopeRateLimits[scope] = ScopeRateLimitInfo{
+				ResetAt:      now.Add(time.Duration(remainingSec) * time.Second),
+				RemainingSec: remainingSec,
+			}
+		}
+	}
+
 	return out
 }