fix: Codex 自动压缩不触发 —— 接管时链接模型目录(绝对路径)进 config.toml (hot 1.5.83)

electron/lib/token_usage.js

@@ -9,6 +9,10 @@ const CODEX_HOME = process.env.CODEX_HOME || path.join(os.homedir(), ".codex");
 const SESSIONS_ROOT = path.join(CODEX_HOME, "sessions");
 const RESET_PATH = path.join(CODEX_HOME, ".tokendun-token-reset.json");
 const fileCache = new Map();
+const fsp = fs.promises;
+// 正在增长（流式生成中）的会话文件每次变化都会导致全量重读，阻塞主进程事件循环。
+// 给同一文件加最小重读间隔：5 秒内即使变了也复用上次结果，token 统计允许秒级延迟。
+const MIN_REREAD_MS = 5000;
 
 function clean(n) {
   n = Number(n);
@@ -61,19 +65,24 @@ function snapshotAt(line) {
   return usage.total > 0 ? { timestamp, usage } : null;
 }
 
-function parseSessionFile(file) {
+async function parseSessionFile(file) {
   try {
-    const stat = fs.statSync(file);
+    const stat = await fsp.stat(file);
     const cached = fileCache.get(file);
-    if (cached && cached.size === stat.size && cached.mtimeMs === stat.mtimeMs) return cached.value;
+    if (cached) {
+      // 未变化 → 直接用缓存
+      if (cached.size === stat.size && cached.mtimeMs === stat.mtimeMs) return cached.value;
+      // 变化了但距上次读太近 → 复用缓存，避免流式生成期间反复全量读盘阻塞主进程
+      if (Date.now() - cached.readAt < MIN_REREAD_MS) return cached.value;
+    }
+    const text = await fsp.readFile(file, "utf8");
     const snapshots = [];
-    const text = fs.readFileSync(file, "utf8");
     for (const line of text.split("\n")) {
       const snapshot = snapshotAt(line);
       if (snapshot) snapshots.push(snapshot);
     }
     const value = { snapshots };
-    fileCache.set(file, { size: stat.size, mtimeMs: stat.mtimeMs, value });
+    fileCache.set(file, { size: stat.size, mtimeMs: stat.mtimeMs, value, readAt: Date.now() });
     return value;
   } catch {
     return { snapshots: [] };
@@ -132,7 +141,7 @@ function applyReset(value) {
   };
 }
 
-function readDailyRaw(now = new Date()) {
+async function readDailyRaw(now = new Date()) {
   const date = dayKey(now);
   const start = new Date(now.getFullYear(), now.getMonth(), now.getDate());
   const end = new Date(now.getFullYear(), now.getMonth(), now.getDate() + 1);
@@ -140,7 +149,7 @@ function readDailyRaw(now = new Date()) {
   result.available = fs.existsSync(SESSIONS_ROOT);
 
   for (const file of sessionFilesForDay(start, end)) {
-    const snapshots = parseSessionFile(file).snapshots;
+    const snapshots = (await parseSessionFile(file)).snapshots;
     let before = null;
     let current = null;
     for (const snapshot of snapshots) {
@@ -159,12 +168,12 @@ function readDailyRaw(now = new Date()) {
   return result;
 }
 
-function readDaily(now = new Date()) {
-  return applyReset(readDailyRaw(now));
+async function readDaily(now = new Date()) {
+  return applyReset(await readDailyRaw(now));
 }
 
-function reset(now = new Date()) {
-  const value = readDailyRaw(now);
+async function reset(now = new Date()) {
+  const value = await readDailyRaw(now);
   fs.mkdirSync(path.dirname(RESET_PATH), { recursive: true });
   fs.writeFileSync(RESET_PATH, JSON.stringify({ ...value, date: dayKey(now) }), "utf8");
   return blank(dayKey(now));