enable change password

sentence_api/repository.py

@@ -984,6 +984,22 @@ class VideoRepository:
             return None
         return self.get_user_by_id(row["id"])
 
+    def set_user_password(self, username: str, password: str) -> bool:
+        """Set a local password for either a normal or SSO-linked account."""
+        username = username.strip()
+        if not username:
+            return False
+        with self._connect() as connection:
+            cursor = connection.execute(
+                """
+                UPDATE users
+                SET password_hash = ?
+                WHERE username = ? COLLATE NOCASE
+                """,
+                (hash_password(password), username),
+            )
+        return cursor.rowcount > 0
+
     def create_session(self, user_id: str) -> str:
         token = new_token()
         now = datetime.now(timezone.utc)
@@ -1205,4 +1221,3 @@ def _is_cjk_char(char: str) -> bool:
         or 0xF900 <= code <= 0xFAFF
         or 0x20000 <= code <= 0x2CEAF
     )
-