fix: align all 212 tests with current API and add CI workflows

Update integration tests to match actual endpoint responses: remove
data wrappers, use snake_case fields, correct HTTP methods (PUT→POST
for directory create), status codes (200→204 for mutations), and
request formats (params→json for 2FA). Fix root-level and unit tests
for DatabaseManager migration, model CRUD patterns, and JWT setup.
Add GitHub Actions and Gitea CI configs with ubuntu-latest + Python 3.13.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_db_settings.py

@@ -1,49 +1,46 @@
+"""
+设置模型 CRUD 测试（使用 db_session fixture）
+"""
 import pytest
+from sqlmodel.ext.asyncio.session import AsyncSession
+
+from sqlmodels.setting import Setting, SettingsType
+
 
 @pytest.mark.asyncio
-async def test_settings_curd():
-    """测试数据库的增删改查"""
-    from sqlmodels import database
-    from sqlmodels.setting import Setting
-    
-    await database.init_db(url='sqlite:///:memory:')
-    
+async def test_settings_curd(db_session: AsyncSession):
+    """测试设置的增删改查"""
     # 测试增 Create
-    await Setting.add(
-        type='example_type', 
-        name='example_name', 
-        value='example_value')
-    
-    # 测试查 Read
-    setting = await Setting.get(
-        type='example_type', 
-        name='example_name')
-    
-    assert setting is not None, "设置项应该存在"
-    assert setting == 'example_value', "设置值不匹配"
-    
-    # 测试改 Update
-    await Setting.set(
-        type='example_type', 
-        name='example_name', 
-        value='updated_value')
-    
-    after_update_setting = await Setting.get(
-        type='example_type', 
-        name='example_name'
-        )
-    
-    assert after_update_setting is not None, "设置项应该存在"
-    assert after_update_setting == 'updated_value', "更新后的设置值不匹配"
-    
-    # 测试删 Delete
-    await Setting.delete(
-        type='example_type', 
-        name='example_name')
-    
-    after_delete_setting = await Setting.get(
-        type='example_type', 
-        name='example_name'
+    setting = Setting(
+        type=SettingsType.BASIC,
+        name='example_name',
+        value='example_value',
     )
-    
-    assert after_delete_setting is None, "设置项应该被删除"
+    setting = await setting.save(db_session)
+
+    assert setting.id is not None
+
+    # 测试查 Read
+    fetched = await Setting.get(
+        db_session,
+        (Setting.type == SettingsType.BASIC) & (Setting.name == 'example_name')
+    )
+
+    assert fetched is not None
+    assert fetched.value == 'example_value'
+
+    # 测试改 Update
+    update_data = Setting(type=SettingsType.BASIC, name='example_name', value='updated_value')
+    updated = await fetched.update(db_session, update_data)
+
+    assert updated is not None
+    assert updated.value == 'updated_value'
+
+    # 测试删 Delete
+    await Setting.delete(db_session, instances=updated)
+    deleted = await Setting.get(
+        db_session,
+        (Setting.type == SettingsType.BASIC) & (Setting.name == 'example_name')
+    )
+
+    assert deleted is None