fix(agent): honor requests not to download during review

lib/ai/canvas-agent-runtime/results.ts

@@ -3,9 +3,11 @@ import type { AgentCallRecord, AgentRunSnapshot } from "./protocol";
 // A spontaneous download command is not an unfinished image edit. Keep genuine
 // download requests and all editor panels waiting for their actual interaction.
 export function isAncillaryDownload(snapshot: AgentRunSnapshot, call: AgentCallRecord) {
+  const intent = [snapshot.objective, ...snapshot.inputs.map(input => input.text)].join("\n")
+    .replace(/(?:不要|无需|不需要|不用|不必|禁止|别)(?:再|主动|自动|继续)?\s*(?:下载|导出|保存.{0,8}(?:本地|电脑))|(?:do\s+not|don't|never)\s+(?:download|export)/gi, "");
   return call.name === "image_download" && call.status === "succeeded" &&
     call.output?.mode === "interactive" && finalResultNodeIds(snapshot).length > 0 &&
-    !/下载|导出|保存.*(?:本地|电脑)|download|export/i.test([snapshot.objective, ...snapshot.inputs.map(input => input.text)].join("\n"));
+    !/下载|导出|保存.*(?:本地|电脑)|download|export/i.test(intent);
 }
 
 export function finalImageResultNodeIds(

tests/routes/canvas-agent-runtime-review.test.ts

@@ -141,6 +141,8 @@ test("an unsolicited download cannot block verified image results; requested dow
   const f = await fixture('{"passed":true,"issues":[]}');
   f.params.snapshot.calls.push({ id: "download", name: "image_download", input: {}, status: "succeeded", output: { mode: "interactive" } });
   expect((await verifyCanvasAgentResults(f.params)).passed).toBe(true);
+  f.params.snapshot.inputs.push({ id: "no-download", text: "只核验现有结果，不要下载，不要重新生成", applied: true });
+  expect((await verifyCanvasAgentResults(f.params)).passed).toBe(true);
   f.params.snapshot.objective += "并下载到电脑";
   expect((await verifyCanvasAgentResults(f.params)).passed).toBe(false);
   f.params.snapshot.objective = "修改图片";