feat: 后端 CRUD 完成（episodes + yearly_targets + users 管理 API）

backend/app/schemas/auth.py

@@ -2,7 +2,7 @@
 认证相关 Pydantic Schema — 请求 / 响应模型
 """
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from app.models.user import UserRole
 
@@ -21,5 +21,4 @@ class UserResponse(BaseModel):
     profile_text: str | None = None
     is_active: bool = True
 
-    class Config:
-        from_attributes = True
+    model_config = ConfigDict(from_attributes=True)

backend/app/schemas/episode.py

@@ -0,0 +1,41 @@
+"""
+节目期次 Schema — 请求 / 响应模型
+"""
+
+from datetime import date
+
+from pydantic import BaseModel, ConfigDict
+
+from app.models.user import UserRole
+
+
+class EpisodeBase(BaseModel):
+    episode_number: int
+    program_name: str
+    air_date: date
+    editor_id: int | None = None
+    editor_name_snapshot: str
+    audience_share: float | None = None
+    audience_rating: float | None = None
+    is_rerun: bool = False
+    original_episode_id: int | None = None
+    is_time_sensitive: bool = False
+    is_outdoor_shoot: bool = False
+    outdoor_contact_person: str | None = None
+    outdoor_contact_info: str | None = None
+    lead_source: str | None = None
+    notes: str | None = None
+
+
+class EpisodeCreate(EpisodeBase):
+    pass
+
+
+class EpisodeUpdate(EpisodeBase):
+    pass
+
+
+class EpisodeResponse(EpisodeBase):
+    id: int
+
+    model_config = ConfigDict(from_attributes=True)

backend/app/schemas/user_admin.py

@@ -0,0 +1,33 @@
+"""
+用户管理 Schema — 管理员 CRUD（仅 zhipianren 可用）
+"""
+
+from pydantic import BaseModel, ConfigDict
+
+from app.models.user import UserRole
+
+
+class UserCreate(BaseModel):
+    username: str
+    display_name: str
+    password: str
+    role: UserRole
+    profile_text: str | None = None
+
+
+class UserUpdate(BaseModel):
+    display_name: str | None = None
+    role: UserRole | None = None
+    profile_text: str | None = None
+    is_active: bool | None = None
+
+
+class UserResponse(BaseModel):
+    id: int
+    username: str
+    display_name: str
+    role: UserRole
+    profile_text: str | None = None
+    is_active: bool = True
+
+    model_config = ConfigDict(from_attributes=True)

backend/app/schemas/yearly_target.py

@@ -0,0 +1,31 @@
+"""
+年度收视目标 Schema — 请求 / 响应模型
+
+业务规则：yearly_targets 只增不改，ON CONFLICT DO NOTHING
+"""
+
+from datetime import date
+
+from pydantic import BaseModel, ConfigDict
+
+
+class YearlyTargetBase(BaseModel):
+    year: int
+    base_target: float
+    stretch_target: float
+    issued_date: date | None = None
+    notes: str | None = None
+
+
+class YearlyTargetCreate(YearlyTargetBase):
+    pass
+
+
+class YearlyTargetUpdate(YearlyTargetBase):
+    pass
+
+
+class YearlyTargetResponse(YearlyTargetBase):
+    id: int
+
+    model_config = ConfigDict(from_attributes=True)