feat(faq): refine category icons and project faq flows

backend/app/schemas/faq.py

@@ -10,7 +10,7 @@ class CategoryCreate(BaseModel):
     name: str
     description: Optional[str] = None
     sort_order: int = 0
-    is_active: bool = True
+    icon: Optional[str] = None
 
 
 class CategoryUpdate(BaseModel):
@@ -18,7 +18,7 @@ class CategoryUpdate(BaseModel):
     name: Optional[str] = None
     description: Optional[str] = None
     sort_order: Optional[int] = None
-    is_active: Optional[bool] = None
+    icon: Optional[str] = None
 
 
 class CategoryRead(BaseModel):
@@ -27,7 +27,7 @@ class CategoryRead(BaseModel):
     name: str
     description: Optional[str]
     sort_order: int
-    is_active: bool
+    icon: Optional[str]
     created_at: datetime
     updated_at: datetime
 
@@ -44,7 +44,6 @@ class FaqCreate(BaseModel):
 class FaqUpdate(BaseModel):
     question: Optional[str] = None
     answer: Optional[str] = None
-    is_active: Optional[bool] = None
 
 
 class FaqStatusUpdate(BaseModel):
@@ -94,7 +93,6 @@ class FaqRead(BaseModel):
     answer: str
     keywords: Optional[str]
     version: int
-    is_active: bool
     created_by: uuid.UUID
     created_at: datetime
     updated_at: datetime