fix(provider): 延长媒体超时并终止超时轮转

将图像和视频的默认 HTTP/轮询超时分别提高到 20 分钟和 30 分钟。媒体任务超时后直接失败，不再重试、切换客户端或标记为 upstream_submission_unknown。OpenAI 图像端点遇到上游明确拒绝 response_format 时自动移除并缓存兼容结论。验证：go test ./... -count=1；go vet ./...；gofmt；相关 Shell bash -n、ShellCheck 与发布脚本回归测试。
2026-08-05 13:58:02 +08:00
parent 9ce9053d7b
commit dd10a807df
23 changed files with 336 additions and 55 deletions
@@ -442,6 +442,25 @@ func TestResolveCandidateFailureStopsAfterDownstreamStarts(t *testing.T) {
 	}
 }

+func TestResolveCandidateFailureStopsTerminalMediaTimeout(t *testing.T) {
+	decision := resolveCandidateFailure(resolveCandidateFailureInput{
+		RunnerPolicy: store.RunnerPolicy{
+			Status:         "active",
+			FailoverPolicy: map[string]any{"enabled": true},
+		},
+		Candidate:         store.RuntimeModelCandidate{ModelRetryPolicy: map[string]any{"enabled": true, "maxAttempts": 3}},
+		Err:               &clients.ClientError{Code: "timeout", Message: "upstream request timed out", Retryable: true},
+		ClientAttempt:     1,
+		MaxClientAttempts: 3,
+		HasNextCandidate:  true,
+		TaskKind:          "images.edits",
+	})
+
+	if decision.Route != "stop" || decision.Effect != "none" || decision.Reason != "media_timeout_terminal" {
+		t.Fatalf("media timeout must stop without retry or rotation, got %+v", decision)
+	}
+}
+
 func TestResolveCandidateFailureLegacyPolicyPrecedence(t *testing.T) {
 	candidate := store.RuntimeModelCandidate{
 		DegradePolicy: map[string]any{