fix(ci): 修复测试收集错误 — 模块名冲突 + SQLite 兼容 PG 特定 SQL (#1075)

- 修复test_url_security.py等模块名冲突导致的测试收集错误
- SQLite兼容PG特定SQL语法
- 调整pytest.ini配置

Squash merged from fix/ci-test-collection-errors

packages/adapters/sqlalchemy_impl/session.py

@@ -48,12 +48,20 @@ def build_session_factory(
     return engine, session_factory
 
 
+def _is_sqlite(database_url: str) -> bool:
+    """检测是否为 SQLite 数据库 URL."""
+    return database_url.startswith("sqlite")
+
+
 def _build_admin_url(database_url: str) -> URL:
     url = make_url(database_url)
     return url.set(database="postgres")
 
 
 def ensure_database_exists(database_url: str) -> None:
+    """确保数据库存在（仅 PostgreSQL 需要，SQLite 自动创建）."""
+    if _is_sqlite(database_url):
+        return
     target_url = make_url(database_url)
     admin_engine = create_engine(_build_admin_url(database_url), isolation_level="AUTOCOMMIT")
     try:
@@ -70,6 +78,14 @@ def ensure_database_exists(database_url: str) -> None:
 
 
 def initialize_database(engine) -> None:
+    """初始化数据库 schema。
+
+    PostgreSQL 使用 advisory lock 防止并发初始化冲突；
+    SQLite 直接 create_all（单文件，无并发风险）。
+    """
+    if _is_sqlite(str(engine.url)):
+        Base.metadata.create_all(bind=engine)
+        return
     with engine.connect() as connection:
         connection.execute(text("SELECT pg_advisory_lock(:lock_id)"), {"lock_id": SCHEMA_INIT_LOCK_ID})
         try: