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[feat] add MCP file browsing and cancellable transfers

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dijunkun
2026-11-06 20:36:48 +08:00
parent 0aed57ed4d
commit 6bfcd5cf3d
20 changed files with 537 additions and 23 deletions
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apps/mcp/src/sessions.ts
+28
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@@ -473,6 +473,34 @@ export class Sessions {
if (s.unlock && this.unlockPending(s.unlock)) throw new Failure("UNLOCK_PENDING");
return s.native.request("clipboard", args, 7000, signal);
}
async files(p: Data, signal?: AbortSignal): Promise<Data> {
const { session_id, ...args } = p;
const s = this.session(session_id);
this.checkUnlock(s);
if (s.unlock && this.unlockPending(s.unlock) && !["status", "cancel"].includes(args.operation))
throw new Failure("UNLOCK_PENDING");
if (args.operation !== "list") return s.native.request("files", args, 7000, signal);
const requestId = args.request_id ?? (await s.native.request("files",
{ operation: "list", path: args.path ?? "" }, 7000, signal)).request_id;
try {
const deadline = Date.now() + 25000;
while (true) {
const result = await s.native.request("files", {
operation: "list_result", request_id: requestId, offset: args.offset ?? 0,
}, 7000, signal);
if (result.state !== "pending") {
if (result.next_offset == null)
await s.native.request("files", { operation: "list_cancel", request_id: requestId });
return result;
}
if (Date.now() >= deadline) return { request_id: requestId, state: "pending", wait_timed_out: true };
await delay(100, undefined, { signal });
}
} catch (error) {
await s.native.request("files", { operation: "list_cancel", request_id: requestId }).catch(() => {});
throw error;
}
}
async control(id: string, enabled: boolean) {
if (!enabled) this.cancelUnlock(this.session(id));
return this.session(id).native.request("control", { enabled });