feat: Phase 4 多租户隔离 + 四阶段升级测试 + CSS 统一化

Phase 4: org_id 注入 JWT/API 过滤/组织管理 CRUD/前端组织列
测试: tests/test_phase_upgrades.py 97项全覆盖
CSS: theme-modern.css 共享 mobile-card-list/status-dot/search-bar 等模式
修复: initial_data.py LLM配置 NOT NULL 约束, TopicResponse 含 org_id

platform/backend/app/schemas.py

@@ -61,13 +61,14 @@ class TopicBase(BaseModel):
     id: str
     field_id: Optional[int] = None
     field_name: Optional[str] = None
+    org_id: Optional[str] = None
     title: str
     format: Optional[str] = None
     core_concept: Optional[str] = None
     audience_pain: Optional[str] = None
     unique_angle: Optional[str] = None
     priority: Optional[str] = None
-    priority_score: int = 0
+    priority_score: int | float = 0
     total_score: Optional[float] = None
     status: str = "pending"
     tags: List[str] = []
@@ -176,6 +177,8 @@ class ContentCalendarResponse(ContentCalendarBase):
     created_by: Optional[str] = None
     created_at: Optional[datetime] = None
     updated_at: Optional[datetime] = None
+    topic_status: Optional[str] = None
+    platform_icon: Optional[str] = None
 
     model_config = ConfigDict(from_attributes=True)
 
@@ -356,6 +359,7 @@ class UserBase(BaseModel):
 
 class UserCreate(UserBase):
     password: str
+    org_id: Optional[str] = None
 
 
 class UserUpdate(BaseModel):
@@ -366,6 +370,7 @@ class UserUpdate(BaseModel):
 
 class UserResponse(UserBase):
     id: int
+    org_id: Optional[str] = None
     created_at: Optional[datetime] = None
 
     model_config = ConfigDict(from_attributes=True)
@@ -457,6 +462,9 @@ class LLMConfigBase(BaseModel):
     temperature: float = 0.7
     max_tokens: int = 2000
     model: Optional[str] = None
+    provider: str = "opencode-go"
+    base_url: Optional[str] = None
+    api_key: Optional[str] = None
     is_active: bool = True
 
 
@@ -464,6 +472,8 @@ class LLMConfigResponse(LLMConfigBase):
     id: int
     created_at: Optional[datetime] = None
     updated_at: Optional[datetime] = None
+    created_at: Optional[datetime] = None
+    updated_at: Optional[datetime] = None
 
     model_config = ConfigDict(from_attributes=True)