fix: Codex /compact 支持与自动续跑

scripts/mock-codex.js

@@ -1,6 +1,9 @@
 #!/usr/bin/env node
 
 const crypto = require('crypto');
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
 
 function readStdin() {
   return new Promise((resolve) => {
@@ -14,9 +17,22 @@ function readStdin() {
 (async function main() {
   const args = process.argv.slice(2);
   const isResume = args[0] === 'exec' && args[1] === 'resume';
-  const threadId = isResume && args[2] ? args[2] : `mock-${crypto.randomUUID()}`;
+  const threadId = (() => {
+    if (!isResume) return `mock-${crypto.randomUUID()}`;
+    for (let i = args.length - 1; i >= 2; i--) {
+      const arg = args[i];
+      if (arg === '-' || String(arg).startsWith('-')) continue;
+      return arg;
+    }
+    return `mock-${crypto.randomUUID()}`;
+  })();
   const input = (await readStdin()).trim();
   const imageCount = args.filter((arg) => arg === '--image').length;
+  const statePath = path.join(os.tmpdir(), `cc-web-mock-codex-${threadId}.json`);
+  let state = {};
+  try {
+    state = JSON.parse(fs.readFileSync(statePath, 'utf8'));
+  } catch {}
 
   process.stdout.write(`${JSON.stringify({ type: 'thread.started', thread_id: threadId })}\n`);
   process.stdout.write(`${JSON.stringify({ type: 'turn.started' })}\n`);
@@ -46,15 +62,36 @@ function readStdin() {
     })}\n`);
   }
 
+  if (input === '/compact') {
+    state.compacted = true;
+    fs.writeFileSync(statePath, JSON.stringify(state));
+  }
+
+  if (input === 'trigger codex context limit' && !state.compacted) {
+    process.stdout.write(`${JSON.stringify({
+      type: 'turn.failed',
+      error: { message: 'Context window exceeded. Please use /compact and retry.' },
+    })}\n`);
+    process.exit(1);
+  }
+
+  const responseText = input === '/compact'
+    ? 'Codex compact finished.'
+    : `Codex mock handled (${imageCount} image): ${input}`;
+
   process.stdout.write(`${JSON.stringify({
     type: 'item.completed',
     item: {
       id: 'item_msg',
       type: 'agent_message',
-      text: `Codex mock handled (${imageCount} image): ${input}`,
+      text: responseText,
     },
   })}\n`);
 
+  if (input === 'trigger codex context limit' && state.compacted) {
+    try { fs.unlinkSync(statePath); } catch {}
+  }
+
   process.stdout.write(`${JSON.stringify({
     type: 'turn.completed',
     usage: { input_tokens: 10, cached_input_tokens: 2, output_tokens: 5 },