FEAT: thêm nút bypass cho track strip để bypass không qua mastering panel

tests/conftest.py

@@ -0,0 +1,14 @@
+"""Pytest bootstrap: isolate the test suite from the development database.
+
+Must be imported before any app module (pytest imports conftest.py first), so
+app.models.user picks up the test DB path instead of the dev DB. Without this,
+tests that seed/rotate the admin password (test_auth_and_quota) permanently
+mutate the developer's sonicforge.db.
+"""
+import os
+import tempfile
+
+os.environ.setdefault(
+    "SONICFORGE_DB_PATH",
+    os.path.join(tempfile.gettempdir(), "sonicforge_test.db"),
+)