refactor: 主要功能实现

目前的工作已经实现的功能：
- 基本 FastAPI 路由；
- 基本 AI 聊天和创作功能；
- 用户信息管理、权限验证、JWT 令牌签发和验证、端点保护；
- HTML 验证码邮件发送和验证码验证。

logging.yaml

@@ -0,0 +1,53 @@
+version: 1
+disable_existing_loggers: false
+
+formatters:
+  default:
+    "()": uvicorn.logging.DefaultFormatter
+    fmt: "%(asctime)s | %(levelprefix)s %(name)s | %(message)s"
+    use_colors: true
+
+  access:
+    "()": uvicorn.logging.AccessFormatter
+    fmt: '%(asctime)s | %(client_addr)s - "%(request_line)s" %(status_code)s'
+    use_colors: true
+
+handlers:
+  default:
+    formatter: default
+    class: logging.StreamHandler
+    stream: ext://sys.stderr
+
+  access:
+    formatter: access
+    class: logging.StreamHandler
+    stream: ext://sys.stdout
+
+  file:
+    formatter: default
+    class: logging.handlers.RotatingFileHandler
+    filename: .nyahome/app.log
+    maxBytes: 10485760
+    backupCount: 5
+    encoding: utf8
+
+loggers:
+  uvicorn:
+    handlers: [ default, file ]
+    level: INFO
+    propagate: false
+
+  uvicorn.error:
+    handlers: [ default, file ]
+    level: INFO
+    propagate: false
+
+  uvicorn.access:
+    handlers: [ access, file ]
+    level: INFO
+    propagate: false
+
+  nyahome:
+    handlers: [ default, file ]
+    level: DEBUG
+    propagate: false