feat: 补齐 HWLAB 手动调度能力

src/backend/codex-stdio.ts

@@ -45,6 +45,7 @@ export interface CodexStdioTurnOptions {
   args?: string[];
   env?: NodeJS.ProcessEnv;
   codexHome?: string;
+  abortSignal?: AbortSignal;
 }
 
 interface PendingRequest {
@@ -273,6 +274,12 @@ export async function runCodexStdioTurn(options: CodexStdioTurnOptions): Promise
       runtime: runtimeSummary(options, env, codexHome),
     },
   }];
+  if (options.abortSignal?.aborted) {
+    const cancelled = { status: "cancelled" as const, failureKind: "cancelled" as const, message: "cancel requested" };
+    events.push({ type: "backend_status", payload: { phase: "turn-cancelled", failureKind: "cancelled" } });
+    events.push({ type: "terminal_status", payload: { terminalStatus: cancelled.status, failureKind: cancelled.failureKind, message: cancelled.message } });
+    return { terminalStatus: cancelled.status, failureKind: cancelled.failureKind, failureMessage: cancelled.message, events: events.map((event) => ({ ...event, payload: redactJson(event.payload) })) };
+  }
   let assistantText = "";
   let threadId: string | undefined = options.threadId;
   let turnId: string | undefined;
@@ -281,6 +288,14 @@ export async function runCodexStdioTurn(options: CodexStdioTurnOptions): Promise
   const terminalPromise = new Promise<void>((resolve) => { terminalResolve = resolve; });
   let client: CodexStdioClient | null = null;
   const requestTimeoutMs = Math.min(positiveTimeout(options.timeoutMs), requestTimeoutCapMs);
+  const abortTurn = (): void => {
+    if (terminal) return;
+    terminal = { status: "cancelled", failureKind: "cancelled", message: "cancel requested" };
+    events.push({ type: "backend_status", payload: { phase: "turn-cancelled", failureKind: "cancelled" } });
+    client?.stop();
+    terminalResolve();
+  };
+  options.abortSignal?.addEventListener("abort", abortTurn, { once: true });
   const timeout = setTimeout(() => {
     if (terminal) return;
     terminal = { status: "failed", failureKind: "backend-timeout", message: `codex stdio turn timed out after ${options.timeoutMs}ms` };
@@ -340,6 +355,7 @@ export async function runCodexStdioTurn(options: CodexStdioTurnOptions): Promise
       events.push({ type: "error", payload: { failureKind: failure.failureKind, message: failure.message, phase: failure.phase, details: failure.details } });
     }
   } finally {
+    options.abortSignal?.removeEventListener("abort", abortTurn);
     clearTimeout(timeout);
     if (client) {
       client.stop();