Initial commit

src/config/user-data-dir.ts

@@ -0,0 +1,25 @@
+import { mkdirSync } from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+/** 本地用户数据目录（不进 git、不同步） */
+export function getUserDataDir(): string {
+  if (process.env.WRITING_AGENT_DATA_DIR) {
+    return path.resolve(process.env.WRITING_AGENT_DATA_DIR);
+  }
+  return path.join(os.homedir(), ".writing-agent");
+}
+
+export function getPresetsDir(): string {
+  return path.join(getUserDataDir(), "presets");
+}
+
+export function getBooksDir(): string {
+  return path.join(getUserDataDir(), "books");
+}
+
+export function ensureUserDataDirs(): void {
+  mkdirSync(getPresetsDir(), { recursive: true });
+  mkdirSync(getBooksDir(), { recursive: true });
+  mkdirSync(path.join(getUserDataDir(), "stats"), { recursive: true });
+}