init

backend-node/src/services/promptOverridesService.js

@@ -0,0 +1,22 @@
+/**
+ * 提示词覆盖：DB CRUD + 内存缓存同步
+ */
+function listOverrides(db) {
+  return db.prepare('SELECT key, content, updated_at FROM prompt_overrides ORDER BY key').all();
+}
+
+function getOverride(db, key) {
+  const row = db.prepare('SELECT content FROM prompt_overrides WHERE key = ?').get(key);
+  return row ? row.content : null;
+}
+
+function setOverride(db, key, content) {
+  const now = new Date().toISOString();
+  db.prepare('INSERT OR REPLACE INTO prompt_overrides (key, content, updated_at) VALUES (?, ?, ?)').run(key, content, now);
+}
+
+function deleteOverride(db, key) {
+  db.prepare('DELETE FROM prompt_overrides WHERE key = ?').run(key);
+}
+
+module.exports = { listOverrides, getOverride, setOverride, deleteOverride };