refactor(src): split oversized modules

src/infra/state-migrations.ts

@@ -2,8 +2,6 @@ import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
 
-import JSON5 from "json5";
-
 import { resolveDefaultAgentId } from "../agents/agent-scope.js";
 import type { ClawdbotConfig } from "../config/config.js";
 import { resolveOAuthDir, resolveStateDir } from "../config/paths.js";
@@ -16,6 +14,15 @@ import {
   DEFAULT_MAIN_KEY,
   normalizeAgentId,
 } from "../routing/session-key.js";
+import {
+  ensureDir,
+  existsDir,
+  fileExists,
+  isLegacyWhatsAppAuthFile,
+  readSessionStoreJson5,
+  type SessionEntryLike,
+  safeReadDir,
+} from "./state-migrations.fs.js";
 
 export type LegacyStateDetection = {
   targetAgentId: string;
@@ -42,11 +49,6 @@ export type LegacyStateDetection = {
   preview: string[];
 };
 
-type SessionEntryLike = { sessionId?: string; updatedAt?: number } & Record<
-  string,
-  unknown
->;
-
 type MigrationLogger = {
   info: (message: string) => void;
   warn: (message: string) => void;
@@ -54,56 +56,6 @@ type MigrationLogger = {
 
 let autoMigrateChecked = false;
 
-function safeReadDir(dir: string): fs.Dirent[] {
-  try {
-    return fs.readdirSync(dir, { withFileTypes: true });
-  } catch {
-    return [];
-  }
-}
-
-function existsDir(dir: string): boolean {
-  try {
-    return fs.existsSync(dir) && fs.statSync(dir).isDirectory();
-  } catch {
-    return false;
-  }
-}
-
-function ensureDir(dir: string) {
-  fs.mkdirSync(dir, { recursive: true });
-}
-
-function fileExists(p: string): boolean {
-  try {
-    return fs.existsSync(p) && fs.statSync(p).isFile();
-  } catch {
-    return false;
-  }
-}
-
-function isLegacyWhatsAppAuthFile(name: string): boolean {
-  if (name === "creds.json" || name === "creds.json.bak") return true;
-  if (!name.endsWith(".json")) return false;
-  return /^(app-state-sync|session|sender-key|pre-key)-/.test(name);
-}
-
-function readSessionStoreJson5(storePath: string): {
-  store: Record<string, SessionEntryLike>;
-  ok: boolean;
-} {
-  try {
-    const raw = fs.readFileSync(storePath, "utf-8");
-    const parsed = JSON5.parse(raw);
-    if (parsed && typeof parsed === "object") {
-      return { store: parsed as Record<string, SessionEntryLike>, ok: true };
-    }
-  } catch {
-    // ignore
-  }
-  return { store: {}, ok: false };
-}
-
 function isSurfaceGroupKey(key: string): boolean {
   return key.includes(":group:") || key.includes(":channel:");
 }