优化“知识库模块“--基本完善

backend/app/api/v1/faq_categories.py

@@ -6,6 +6,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from app.core.deps import get_current_user, get_db_session
 from app.crud import audit as audit_crud
 from app.crud import faq_category as category_crud
+from app.crud import faq_item as item_crud
 from app.crud import member as member_crud
 from app.schemas.common import PaginatedResponse
 from app.schemas.faq import CategoryCreate, CategoryRead, CategoryUpdate
@@ -35,6 +36,9 @@ async def create_category(
     db: AsyncSession = Depends(get_db_session),
     current_user=Depends(get_current_user),
 ) -> CategoryRead:
+    existing = await category_crud.get_category_by_name(db, payload.study_id, payload.name)
+    if existing:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="分类名称已存在")
     member_role = None
     if payload.study_id:
         member = await member_crud.get_member(db, payload.study_id, current_user.id)
@@ -93,15 +97,24 @@ async def update_category(
     if not category:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Category not found")
     member_role = None
-    if category.study_id:
-        from app.crud import member as member_crud
-        member = await member_crud.get_member(db, category.study_id, current_user.id)
+    update_data = payload.model_dump(exclude_unset=True)
+    target_study_id = update_data.get("study_id", category.study_id)
+    target_name = update_data.get("name", category.name)
+    if "study_id" in update_data and update_data["study_id"] != category.study_id and current_user.role != "ADMIN":
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Only admin can change category scope")
+    existing = await category_crud.get_category_by_name(db, target_study_id, target_name)
+    if existing and existing.id != category.id:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="分类名称已存在")
+    if target_study_id:
+        member = await member_crud.get_member(db, target_study_id, current_user.id)
         member_role = member.role_in_study if member else None
-    _check_permission_for_scope(category.study_id, current_user, member_role)
+        if not member and current_user.role != "ADMIN":
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Not a study member")
+    _check_permission_for_scope(target_study_id, current_user, member_role)
     updated = await category_crud.update_category(db, category, payload)
     await audit_crud.log_action(
         db,
-        study_id=category.study_id,
+        study_id=updated.study_id,
         entity_type="faq_category",
         entity_id=category_id,
         action="UPDATE_FAQ_CATEGORY",
@@ -110,3 +123,36 @@ async def update_category(
         operator_role=current_user.role,
     )
     return CategoryRead.model_validate(updated)
+
+
+@router.delete(
+    "/{category_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+    summary="删除 FAQ 分类",
+    description="仅 ADMIN 可删除分类，分类下存在 FAQ 时不可删除。",
+)
+async def delete_category(
+    category_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> None:
+    category = await category_crud.get_category(db, category_id)
+    if not category:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Category not found")
+    if current_user.role != "ADMIN":
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Only admin can delete FAQ category")
+    item_count = await item_crud.count_items_by_category(db, category_id)
+    if item_count > 0:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="分类下存在 FAQ，无法删除")
+    await db.delete(category)
+    await db.commit()
+    await audit_crud.log_action(
+        db,
+        study_id=category.study_id,
+        entity_type="faq_category",
+        entity_id=category_id,
+        action="DELETE_FAQ_CATEGORY",
+        detail=f"FAQ category {category_id} deleted",
+        operator_id=current_user.id,
+        operator_role=current_user.role,
+    )

backend/app/api/v1/faqs.py

@@ -7,9 +7,19 @@ from app.core.deps import get_current_user, get_db_session
 from app.crud import audit as audit_crud
 from app.crud import faq_category as category_crud
 from app.crud import faq_item as faq_crud
+from app.crud import faq_reply as reply_crud
 from app.crud import member as member_crud
 from app.schemas.common import PaginatedResponse
-from app.schemas.faq import FaqCreate, FaqRead, FaqUpdate
+from app.schemas.faq import (
+    FaqBestReplyUpdate,
+    FaqCreate,
+    FaqRead,
+    FaqReplyCreate,
+    FaqReplyQuote,
+    FaqReplyRead,
+    FaqStatusUpdate,
+    FaqUpdate,
+)
 from app.utils.pagination import paginate
 
 router = APIRouter()
@@ -24,6 +34,15 @@ def _check_write_permission(study_id: uuid.UUID | None, current_user, member_rol
             raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Insufficient permissions")
 
 
+def _check_create_permission(study_id: uuid.UUID | None, current_user, is_member: bool):
+    if study_id is None:
+        if current_user.role != "ADMIN":
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Only admin can manage global FAQ")
+    else:
+        if current_user.role != "ADMIN" and not is_member:
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Not a study member")
+
+
 @router.post(
     "/",
     response_model=FaqRead,
@@ -42,14 +61,25 @@ async def create_faq(
     if cat.study_id != payload.study_id:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Category scope mismatch")
     member_role = None
+    is_member = False
     if payload.study_id:
         member = await member_crud.get_member(db, payload.study_id, current_user.id)
         member_role = member.role_in_study if member else None
-    _check_write_permission(payload.study_id, current_user, member_role)
+        is_member = member is not None
+    _check_create_permission(payload.study_id, current_user, is_member)
     try:
         item = await faq_crud.create_item(db, payload, created_by=current_user.id)
     except ValueError as exc:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(exc)) from exc
+    if payload.answer:
+        await reply_crud.create_reply(
+            db,
+            faq_id=item.id,
+            study_id=item.study_id,
+            created_by=current_user.id,
+            reply_in=FaqReplyCreate(content=payload.answer),
+        )
+        await faq_crud.set_status(db, item.id, "PROCESSING")
     await audit_crud.log_action(
         db,
         study_id=payload.study_id,
@@ -73,7 +103,7 @@ async def list_faqs(
     study_id: uuid.UUID | None = None,
     category_id: uuid.UUID | None = None,
     keyword: str | None = None,
-    is_active: bool | None = True,
+    is_active: bool | None = None,
     study_scope: str | None = "project",
     db: AsyncSession = Depends(get_db_session),
     current_user=Depends(get_current_user),
@@ -167,11 +197,12 @@ async def update_faq(
     item = await faq_crud.get_item(db, item_id)
     if not item:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="FAQ not found")
-    member_role = None
-    if item.study_id:
-        member = await member_crud.get_member(db, item.study_id, current_user.id)
-        member_role = member.role_in_study if member else None
-    _check_write_permission(item.study_id, current_user, member_role)
+    if item.created_by != current_user.id:
+        member_role = None
+        if item.study_id:
+            member = await member_crud.get_member(db, item.study_id, current_user.id)
+            member_role = member.role_in_study if member else None
+        _check_write_permission(item.study_id, current_user, member_role)
     old_active = item.is_active
     updated = await faq_crud.update_item(db, item, payload)
     action = "UPDATE_FAQ_ITEM"
@@ -190,3 +221,265 @@ async def update_faq(
         operator_role=current_user.role,
     )
     return FaqRead.model_validate(updated)
+
+
+@router.patch(
+    "/{item_id}/status",
+    response_model=FaqRead,
+    summary="更新 FAQ 状态",
+    description="提问者或项目 PM/ADMIN 可确认已解决。",
+)
+async def update_faq_status(
+    item_id: uuid.UUID,
+    payload: FaqStatusUpdate,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> FaqRead:
+    item = await faq_crud.get_item(db, item_id)
+    if not item:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="FAQ not found")
+    if payload.status != "RESOLVED":
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Only RESOLVED is allowed")
+    if item.created_by != current_user.id and current_user.role != "ADMIN":
+        member_role = None
+        if item.study_id:
+            member = await member_crud.get_member(db, item.study_id, current_user.id)
+            member_role = member.role_in_study if member else None
+        if member_role != "PM":
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Insufficient permissions")
+    await faq_crud.set_status(db, item.id, "RESOLVED", resolved_by_confirm=True)
+    updated = await faq_crud.get_item(db, item_id)
+    return FaqRead.model_validate(updated)
+
+
+@router.patch(
+    "/{item_id}/best-reply",
+    response_model=FaqRead,
+    summary="设置最佳回复",
+    description="项目成员可设置最佳回复，全局仅 ADMIN。",
+)
+async def set_best_reply(
+    item_id: uuid.UUID,
+    payload: FaqBestReplyUpdate,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> FaqRead:
+    item = await faq_crud.get_item(db, item_id)
+    if not item:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="FAQ not found")
+    is_member = False
+    if item.study_id:
+        member = await member_crud.get_member(db, item.study_id, current_user.id)
+        is_member = member is not None
+    _check_create_permission(item.study_id, current_user, is_member)
+    if payload.best_reply_id:
+        reply = await reply_crud.get_reply(db, payload.best_reply_id)
+        if not reply or reply.faq_id != item.id:
+            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Invalid reply")
+        if reply.is_deleted:
+            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Reply deleted")
+        await faq_crud.set_best_reply(db, item.id, reply.id)
+        await faq_crud.set_status(db, item.id, "RESOLVED", resolved_by_confirm=item.resolved_by_confirm)
+    else:
+        await faq_crud.set_best_reply(db, item.id, None)
+        if not item.resolved_by_confirm:
+            remaining = await reply_crud.count_active_replies(db, item.id)
+            await faq_crud.set_status(
+                db,
+                item.id,
+                "PROCESSING" if remaining > 0 else "PENDING",
+                resolved_by_confirm=False,
+            )
+    updated = await faq_crud.get_item(db, item_id)
+    return FaqRead.model_validate(updated)
+
+
+@router.get(
+    "/{item_id}/replies",
+    response_model=PaginatedResponse[FaqReplyRead],
+    summary="FAQ 回复列表",
+    description="获取 FAQ 的回复列表。",
+)
+async def list_replies(
+    item_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> list[FaqReplyRead]:
+    item = await faq_crud.get_item(db, item_id)
+    if not item:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="FAQ not found")
+    if item.study_id and current_user.role != "ADMIN":
+        member = await member_crud.get_member(db, item.study_id, current_user.id)
+        if not member:
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Not a study member")
+    replies = await reply_crud.list_replies(db, item_id)
+    reply_map = {r.id: r for r in replies}
+    result: list[FaqReplyRead] = []
+    for r in replies:
+        data = FaqReplyRead.model_validate(r)
+        if r.quote_reply_id and r.quote_reply_id in reply_map:
+            quote = reply_map[r.quote_reply_id]
+            if quote.is_deleted:
+                data.quote = FaqReplyQuote(
+                    id=quote.id,
+                    content="回复已删除",
+                    created_by=quote.created_by,
+                    created_at=quote.created_at,
+                )
+            else:
+                data.quote = FaqReplyQuote.model_validate(quote)
+        result.append(data)
+    return paginate(result, total=len(result))
+
+
+@router.post(
+    "/{item_id}/replies",
+    response_model=FaqReplyRead,
+    status_code=status.HTTP_201_CREATED,
+    summary="创建 FAQ 回复",
+    description="回复 FAQ，项目内成员可回复，全局仅 ADMIN。",
+)
+async def create_reply(
+    item_id: uuid.UUID,
+    payload: FaqReplyCreate,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> FaqReplyRead:
+    item = await faq_crud.get_item(db, item_id)
+    if not item:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="FAQ not found")
+    if not payload.content.strip():
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Reply content is required")
+    is_member = False
+    if item.study_id:
+        member = await member_crud.get_member(db, item.study_id, current_user.id)
+        is_member = member is not None
+    _check_create_permission(item.study_id, current_user, is_member)
+    quote = None
+    if payload.quote_reply_id:
+        quote = await reply_crud.get_reply(db, payload.quote_reply_id)
+        if not quote or quote.faq_id != item.id:
+            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Invalid quote reply")
+    reply = await reply_crud.create_reply(
+        db,
+        faq_id=item.id,
+        study_id=item.study_id,
+        created_by=current_user.id,
+        reply_in=payload,
+    )
+    if item.status != "RESOLVED":
+        await faq_crud.set_status(db, item.id, "PROCESSING")
+    await faq_crud.touch_item(db, item.id)
+    await audit_crud.log_action(
+        db,
+        study_id=item.study_id,
+        entity_type="faq_reply",
+        entity_id=reply.id,
+        action="CREATE_FAQ_REPLY",
+        detail="FAQ replied",
+        operator_id=current_user.id,
+        operator_role=current_user.role,
+    )
+    data = FaqReplyRead.model_validate(reply)
+    if quote:
+        if quote.is_deleted:
+            data.quote = FaqReplyQuote(
+                id=quote.id,
+                content="回复已删除",
+                created_by=quote.created_by,
+                created_at=quote.created_at,
+            )
+        else:
+            data.quote = FaqReplyQuote.model_validate(quote)
+    return data
+
+
+@router.delete(
+    "/{item_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+    summary="删除 FAQ",
+    description="删除 FAQ，项目内需 PM/ADMIN 权限，全局仅 ADMIN。",
+)
+async def delete_faq(
+    item_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> None:
+    item = await faq_crud.get_item(db, item_id)
+    if not item:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="FAQ not found")
+    if item.created_by != current_user.id:
+        member_role = None
+        if item.study_id:
+            member = await member_crud.get_member(db, item.study_id, current_user.id)
+            member_role = member.role_in_study if member else None
+        _check_write_permission(item.study_id, current_user, member_role)
+    await reply_crud.delete_replies_by_faq_id(db, item.id)
+    await db.delete(item)
+    await db.commit()
+    await audit_crud.log_action(
+        db,
+        study_id=item.study_id,
+        entity_type="faq_item",
+        entity_id=item_id,
+        action="DELETE_FAQ_ITEM",
+        detail="FAQ deleted",
+        operator_id=current_user.id,
+        operator_role=current_user.role,
+    )
+
+
+@router.delete(
+    "/{item_id}/replies/{reply_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+    summary="删除 FAQ 回复",
+    description="删除 FAQ 回复，管理员、项目 PM 或回复者可删除。",
+)
+async def delete_reply(
+    item_id: uuid.UUID,
+    reply_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> None:
+    item = await faq_crud.get_item(db, item_id)
+    if not item:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="FAQ not found")
+    reply = await reply_crud.get_reply(db, reply_id)
+    if not reply or reply.faq_id != item.id:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Reply not found")
+    if reply.created_by != current_user.id and current_user.role != "ADMIN":
+        member_role = None
+        if item.study_id:
+            member = await member_crud.get_member(db, item.study_id, current_user.id)
+            member_role = member.role_in_study if member else None
+        if member_role != "PM":
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Insufficient permissions")
+    if item.best_reply_id == reply.id:
+        await faq_crud.set_best_reply(db, item.id, None)
+    ref_count = await reply_crud.count_quote_references(db, reply.id)
+    if ref_count > 0:
+        await reply_crud.soft_delete_reply(db, reply)
+    else:
+        await reply_crud.delete_reply(db, reply)
+    if not item.resolved_by_confirm:
+        if item.best_reply_id and item.best_reply_id != reply.id:
+            await faq_crud.set_status(db, item.id, "RESOLVED", resolved_by_confirm=False)
+        else:
+            remaining = await reply_crud.count_active_replies(db, item.id)
+            await faq_crud.set_status(
+                db,
+                item.id,
+                "PROCESSING" if remaining > 0 else "PENDING",
+                resolved_by_confirm=False,
+            )
+    await faq_crud.touch_item(db, item.id)
+    await audit_crud.log_action(
+        db,
+        study_id=item.study_id,
+        entity_type="faq_reply",
+        entity_id=reply_id,
+        action="DELETE_FAQ_REPLY",
+        detail="FAQ reply deleted",
+        operator_id=current_user.id,
+        operator_role=current_user.role,
+    )

backend/app/crud/faq_category.py

@@ -45,6 +45,20 @@ async def get_category(db: AsyncSession, category_id: uuid.UUID) -> FaqCategory
     return result.scalar_one_or_none()
 
 
+async def get_category_by_name(
+    db: AsyncSession,
+    study_id: uuid.UUID | None,
+    name: str,
+) -> FaqCategory | None:
+    stmt = select(FaqCategory).where(FaqCategory.name == name)
+    if study_id is None:
+        stmt = stmt.where(FaqCategory.study_id.is_(None))
+    else:
+        stmt = stmt.where(FaqCategory.study_id == study_id)
+    result = await db.execute(stmt)
+    return result.scalar_one_or_none()
+
+
 async def update_category(db: AsyncSession, category: FaqCategory, category_in: CategoryUpdate) -> FaqCategory:
     update_data = category_in.model_dump(exclude_unset=True)
     if update_data:

backend/app/crud/faq_item.py

@@ -1,7 +1,7 @@
 import uuid
 from typing import Sequence
 
-from sqlalchemy import or_, select, update as sa_update
+from sqlalchemy import func, or_, select, update as sa_update
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.faq_category import FaqCategory
@@ -23,8 +23,8 @@ async def create_item(db: AsyncSession, item_in: FaqCreate, *, created_by: uuid.
         study_id=item_in.study_id,
         category_id=item_in.category_id,
         question=item_in.question,
-        answer=item_in.answer,
-        keywords=item_in.keywords,
+        answer=item_in.answer or "",
+        status="PENDING",
         version=1,
         is_active=True,
         created_by=created_by,
@@ -56,7 +56,7 @@ async def list_items(
     elif study_scope == "global":
         stmt = stmt.where(FaqItem.study_id.is_(None))
     else:  # project (default)
-        stmt = stmt.where((FaqItem.study_id == study_id) | (FaqItem.study_id.is_(None)))
+        stmt = stmt.where(FaqItem.study_id == study_id)
 
     if category_id:
         stmt = stmt.where(FaqItem.category_id == category_id)
@@ -88,3 +88,38 @@ async def update_item(db: AsyncSession, item: FaqItem, item_in: FaqUpdate) -> Fa
         await db.commit()
     await db.refresh(item)
     return item
+
+
+async def touch_item(db: AsyncSession, item_id: uuid.UUID) -> None:
+    await db.execute(
+        sa_update(FaqItem)
+        .where(FaqItem.id == item_id)
+        .values(updated_at=func.now())
+    )
+    await db.commit()
+
+
+async def set_best_reply(db: AsyncSession, item_id: uuid.UUID, reply_id: uuid.UUID | None) -> None:
+    await db.execute(
+        sa_update(FaqItem)
+        .where(FaqItem.id == item_id)
+        .values(best_reply_id=reply_id, updated_at=func.now())
+    )
+    await db.commit()
+
+
+async def set_status(db: AsyncSession, item_id: uuid.UUID, status: str, resolved_by_confirm: bool | None = None) -> None:
+    values: dict[str, object] = {"status": status, "updated_at": func.now()}
+    if resolved_by_confirm is not None:
+        values["resolved_by_confirm"] = resolved_by_confirm
+    await db.execute(
+        sa_update(FaqItem)
+        .where(FaqItem.id == item_id)
+        .values(**values)
+    )
+    await db.commit()
+
+
+async def count_items_by_category(db: AsyncSession, category_id: uuid.UUID) -> int:
+    result = await db.execute(select(func.count()).select_from(FaqItem).where(FaqItem.category_id == category_id))
+    return int(result.scalar_one())

backend/app/crud/faq_reply.py

@@ -0,0 +1,78 @@
+import uuid
+from typing import Sequence
+
+from sqlalchemy import delete as sa_delete, func, select, update as sa_update
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.faq_reply import FaqReply
+from app.schemas.faq import FaqReplyCreate
+
+
+async def create_reply(
+    db: AsyncSession,
+    *,
+    faq_id: uuid.UUID,
+    study_id: uuid.UUID | None,
+    created_by: uuid.UUID,
+    reply_in: FaqReplyCreate,
+) -> FaqReply:
+    reply = FaqReply(
+        faq_id=faq_id,
+        study_id=study_id,
+        content=reply_in.content,
+        created_by=created_by,
+        quote_reply_id=reply_in.quote_reply_id,
+    )
+    db.add(reply)
+    await db.commit()
+    await db.refresh(reply)
+    return reply
+
+
+async def list_replies(db: AsyncSession, faq_id: uuid.UUID) -> Sequence[FaqReply]:
+    result = await db.execute(
+        select(FaqReply).where(FaqReply.faq_id == faq_id).order_by(FaqReply.created_at)
+    )
+    return result.scalars().all()
+
+
+async def get_reply(db: AsyncSession, reply_id: uuid.UUID) -> FaqReply | None:
+    result = await db.execute(select(FaqReply).where(FaqReply.id == reply_id))
+    return result.scalar_one_or_none()
+
+
+async def delete_reply(db: AsyncSession, reply: FaqReply) -> None:
+    await db.delete(reply)
+    await db.commit()
+
+
+async def soft_delete_reply(db: AsyncSession, reply: FaqReply) -> None:
+    reply.is_deleted = True
+    reply.content = ""
+    await db.commit()
+
+
+async def count_quote_references(db: AsyncSession, reply_id: uuid.UUID) -> int:
+    result = await db.execute(
+        select(func.count()).select_from(FaqReply).where(FaqReply.quote_reply_id == reply_id)
+    )
+    return int(result.scalar_one())
+
+
+async def count_active_replies(db: AsyncSession, faq_id: uuid.UUID) -> int:
+    result = await db.execute(
+        select(func.count())
+        .select_from(FaqReply)
+        .where(FaqReply.faq_id == faq_id, FaqReply.is_deleted.is_(False))
+    )
+    return int(result.scalar_one())
+
+
+async def delete_replies_by_faq_id(db: AsyncSession, faq_id: uuid.UUID) -> None:
+    await db.execute(
+        sa_update(FaqReply)
+        .where(FaqReply.faq_id == faq_id)
+        .values(quote_reply_id=None)
+    )
+    await db.execute(sa_delete(FaqReply).where(FaqReply.faq_id == faq_id))
+    await db.commit()

backend/app/db/base.py

@@ -22,3 +22,4 @@ from app.models.imp_transaction import ImpTransaction  # noqa: F401
 from app.models.finance import FinanceItem  # noqa: F401
 from app.models.faq_category import FaqCategory  # noqa: F401
 from app.models.faq_item import FaqItem  # noqa: F401
+from app.models.faq_reply import FaqReply  # noqa: F401

backend/app/models/faq_item.py

@@ -14,6 +14,11 @@ class FaqItem(Base):
     id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
     study_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("studies.id"), nullable=True, index=True)
     category_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("faq_categories.id"), index=True, nullable=False)
+    best_reply_id: Mapped[uuid.UUID | None] = mapped_column(
+        UUID(as_uuid=True), ForeignKey("faq_replies.id", ondelete="SET NULL"), nullable=True
+    )
+    status: Mapped[str] = mapped_column(String(20), nullable=False, default="PENDING")
+    resolved_by_confirm: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
     question: Mapped[str] = mapped_column(Text, nullable=False)
     answer: Mapped[str] = mapped_column(Text, nullable=False)
     keywords: Mapped[str | None] = mapped_column(String(255), nullable=True)

backend/app/models/faq_reply.py

@@ -0,0 +1,23 @@
+import uuid
+from datetime import datetime
+
+from sqlalchemy import Boolean, DateTime, ForeignKey, Text, func
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base_class import Base
+
+
+class FaqReply(Base):
+    __tablename__ = "faq_replies"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    faq_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("faq_items.id"), index=True, nullable=False)
+    study_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("studies.id"), index=True, nullable=True)
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+    created_by: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, server_default=func.now())
+    quote_reply_id: Mapped[uuid.UUID | None] = mapped_column(
+        UUID(as_uuid=True), ForeignKey("faq_replies.id"), nullable=True
+    )
+    is_deleted: Mapped[bool] = mapped_column(Boolean, nullable=False, server_default="false")

backend/app/schemas/faq.py

@@ -1,6 +1,6 @@
 import uuid
 from datetime import datetime
-from typing import Optional
+from typing import Literal, Optional
 
 from pydantic import BaseModel, ConfigDict
 
@@ -14,6 +14,7 @@ class CategoryCreate(BaseModel):
 
 
 class CategoryUpdate(BaseModel):
+    study_id: Optional[uuid.UUID] = None
     name: Optional[str] = None
     description: Optional[str] = None
     sort_order: Optional[int] = None
@@ -37,21 +38,58 @@ class FaqCreate(BaseModel):
     study_id: Optional[uuid.UUID] = None
     category_id: uuid.UUID
     question: str
-    answer: str
-    keywords: Optional[str] = None
+    answer: Optional[str] = None
 
 
 class FaqUpdate(BaseModel):
     question: Optional[str] = None
     answer: Optional[str] = None
-    keywords: Optional[str] = None
     is_active: Optional[bool] = None
 
 
+class FaqStatusUpdate(BaseModel):
+    status: Literal["PENDING", "PROCESSING", "RESOLVED"]
+
+
+class FaqBestReplyUpdate(BaseModel):
+    best_reply_id: Optional[uuid.UUID] = None
+
+
+class FaqReplyCreate(BaseModel):
+    content: str
+    quote_reply_id: Optional[uuid.UUID] = None
+
+
+class FaqReplyQuote(BaseModel):
+    id: uuid.UUID
+    content: str
+    created_by: uuid.UUID
+    created_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class FaqReplyRead(BaseModel):
+    id: uuid.UUID
+    faq_id: uuid.UUID
+    study_id: Optional[uuid.UUID]
+    content: str
+    created_by: uuid.UUID
+    created_at: datetime
+    quote_reply_id: Optional[uuid.UUID] = None
+    quote: Optional[FaqReplyQuote] = None
+    is_deleted: bool = False
+
+    model_config = ConfigDict(from_attributes=True)
+
+
 class FaqRead(BaseModel):
     id: uuid.UUID
     study_id: Optional[uuid.UUID]
     category_id: uuid.UUID
+    best_reply_id: Optional[uuid.UUID] = None
+    status: Literal["PENDING", "PROCESSING", "RESOLVED"] = "PENDING"
+    resolved_by_confirm: bool = False
     question: str
     answer: str
     keywords: Optional[str]

database/init.sql

@@ -161,6 +161,9 @@ CREATE TABLE public.faq_items (
     id uuid NOT NULL,
     study_id uuid,
     category_id uuid NOT NULL,
+    best_reply_id uuid,
+    status character varying(20) DEFAULT 'PENDING'::character varying NOT NULL,
+    resolved_by_confirm boolean DEFAULT false NOT NULL,
     question text NOT NULL,
     answer text NOT NULL,
     keywords character varying(255),
@@ -174,6 +177,24 @@ CREATE TABLE public.faq_items (
 
 ALTER TABLE public.faq_items OWNER TO ctms_user;
 
+--
+-- Name: faq_replies; Type: TABLE; Schema: public; Owner: ctms_user
+--
+
+CREATE TABLE public.faq_replies (
+    id uuid NOT NULL,
+    faq_id uuid NOT NULL,
+    study_id uuid,
+    content text NOT NULL,
+    created_by uuid NOT NULL,
+    created_at timestamp with time zone DEFAULT now() NOT NULL,
+    quote_reply_id uuid,
+    is_deleted boolean DEFAULT false NOT NULL
+);
+
+
+ALTER TABLE public.faq_replies OWNER TO ctms_user;
+
 --
 -- Name: finance_items; Type: TABLE; Schema: public; Owner: ctms_user
 --
@@ -541,8 +562,16 @@ eeeeeee1-eeee-eeee-eeee-eeeeeeeeeee1	44444444-4444-4444-4444-444444444444	访视
 -- Data for Name: faq_items; Type: TABLE DATA; Schema: public; Owner: ctms_user
 --
 
-COPY public.faq_items (id, study_id, category_id, question, answer, keywords, version, is_active, created_by, created_at, updated_at) FROM stdin;
-fffffff1-ffff-ffff-ffff-fffffffffff1	44444444-4444-4444-4444-444444444444	eeeeeee1-eeee-eeee-eeee-eeeeeeeeeee1	V1 访视需要携带什么？	携带受试者知情同意书、病历和药物记录本。	访视,携带物品	1	t	22222222-2222-2222-2222-222222222222	2025-12-18 00:55:17.568504+00	2025-12-18 00:55:17.568504+00
+COPY public.faq_items (id, study_id, category_id, best_reply_id, status, resolved_by_confirm, question, answer, keywords, version, is_active, created_by, created_at, updated_at) FROM stdin;
+fffffff1-ffff-ffff-ffff-fffffffffff1	44444444-4444-4444-4444-444444444444	eeeeeee1-eeee-eeee-eeee-eeeeeeeeeee1	\N	PENDING	f	V1 访视需要携带什么？	携带受试者知情同意书、病历和药物记录本。	访视,携带物品	1	t	22222222-2222-2222-2222-222222222222	2025-12-18 00:55:17.568504+00	2025-12-18 00:55:17.568504+00
+\.
+
+
+--
+-- Data for Name: faq_replies; Type: TABLE DATA; Schema: public; Owner: ctms_user
+--
+
+COPY public.faq_replies (id, faq_id, study_id, content, created_by, created_at, quote_reply_id, is_deleted) FROM stdin;
 \.
 
 
@@ -739,6 +768,14 @@ ALTER TABLE ONLY public.faq_items
     ADD CONSTRAINT faq_items_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: faq_replies faq_replies_pkey; Type: CONSTRAINT; Schema: public; Owner: ctms_user
+--
+
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: finance_items finance_items_pkey; Type: CONSTRAINT; Schema: public; Owner: ctms_user
 --
@@ -974,6 +1011,12 @@ CREATE INDEX ix_faq_categories_study_id ON public.faq_categories USING btree (st
 
 CREATE INDEX ix_faq_items_category_id ON public.faq_items USING btree (category_id);
 
+--
+-- Name: ix_faq_items_best_reply_id; Type: INDEX; Schema: public; Owner: ctms_user
+--
+
+CREATE INDEX ix_faq_items_best_reply_id ON public.faq_items USING btree (best_reply_id);
+
 
 --
 -- Name: ix_faq_items_study_id; Type: INDEX; Schema: public; Owner: ctms_user
@@ -982,6 +1025,20 @@ CREATE INDEX ix_faq_items_category_id ON public.faq_items USING btree (category_
 CREATE INDEX ix_faq_items_study_id ON public.faq_items USING btree (study_id);
 
 
+--
+-- Name: ix_faq_replies_faq_id; Type: INDEX; Schema: public; Owner: ctms_user
+--
+
+CREATE INDEX ix_faq_replies_faq_id ON public.faq_replies USING btree (faq_id);
+
+
+--
+-- Name: ix_faq_replies_study_id; Type: INDEX; Schema: public; Owner: ctms_user
+--
+
+CREATE INDEX ix_faq_replies_study_id ON public.faq_replies USING btree (study_id);
+
+
 --
 -- Name: ix_finance_items_site_id; Type: INDEX; Schema: public; Owner: ctms_user
 --
@@ -1304,6 +1361,13 @@ ALTER TABLE ONLY public.faq_categories
 ALTER TABLE ONLY public.faq_items
     ADD CONSTRAINT faq_items_category_id_fkey FOREIGN KEY (category_id) REFERENCES public.faq_categories(id);
 
+--
+-- Name: faq_items faq_items_best_reply_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: ctms_user
+--
+
+ALTER TABLE ONLY public.faq_items
+    ADD CONSTRAINT faq_items_best_reply_id_fkey FOREIGN KEY (best_reply_id) REFERENCES public.faq_replies(id) ON DELETE SET NULL;
+
 
 --
 -- Name: faq_items faq_items_created_by_fkey; Type: FK CONSTRAINT; Schema: public; Owner: ctms_user
@@ -1321,6 +1385,38 @@ ALTER TABLE ONLY public.faq_items
     ADD CONSTRAINT faq_items_study_id_fkey FOREIGN KEY (study_id) REFERENCES public.studies(id);
 
 
+--
+-- Name: faq_replies faq_replies_created_by_fkey; Type: FK CONSTRAINT; Schema: public; Owner: ctms_user
+--
+
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_created_by_fkey FOREIGN KEY (created_by) REFERENCES public.users(id);
+
+
+--
+-- Name: faq_replies faq_replies_faq_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: ctms_user
+--
+
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_faq_id_fkey FOREIGN KEY (faq_id) REFERENCES public.faq_items(id);
+
+
+--
+-- Name: faq_replies faq_replies_quote_reply_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: ctms_user
+--
+
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_quote_reply_id_fkey FOREIGN KEY (quote_reply_id) REFERENCES public.faq_replies(id);
+
+
+--
+-- Name: faq_replies faq_replies_study_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: ctms_user
+--
+
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_study_id_fkey FOREIGN KEY (study_id) REFERENCES public.studies(id);
+
+
 --
 -- Name: finance_items finance_items_approver_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: ctms_user
 --

database/migrations/20250120_add_faq_replies.sql

@@ -0,0 +1,33 @@
+CREATE EXTENSION IF NOT EXISTS "pgcrypto";
+
+CREATE TABLE public.faq_replies (
+    id uuid NOT NULL,
+    faq_id uuid NOT NULL,
+    study_id uuid,
+    content text NOT NULL,
+    created_by uuid NOT NULL,
+    created_at timestamp with time zone DEFAULT now() NOT NULL,
+    quote_reply_id uuid
+);
+
+ALTER TABLE public.faq_replies OWNER TO ctms_user;
+
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_pkey PRIMARY KEY (id);
+
+CREATE INDEX ix_faq_replies_faq_id ON public.faq_replies USING btree (faq_id);
+CREATE INDEX ix_faq_replies_study_id ON public.faq_replies USING btree (study_id);
+
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_created_by_fkey FOREIGN KEY (created_by) REFERENCES public.users(id);
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_faq_id_fkey FOREIGN KEY (faq_id) REFERENCES public.faq_items(id);
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_quote_reply_id_fkey FOREIGN KEY (quote_reply_id) REFERENCES public.faq_replies(id);
+ALTER TABLE ONLY public.faq_replies
+    ADD CONSTRAINT faq_replies_study_id_fkey FOREIGN KEY (study_id) REFERENCES public.studies(id);
+
+INSERT INTO public.faq_replies (id, faq_id, study_id, content, created_by, created_at)
+SELECT gen_random_uuid(), id, study_id, answer, created_by, updated_at
+FROM public.faq_items
+WHERE answer IS NOT NULL AND btrim(answer) <> '';

database/migrations/20250121_add_faq_reply_soft_delete.sql

@@ -0,0 +1,2 @@
+ALTER TABLE public.faq_replies
+    ADD COLUMN IF NOT EXISTS is_deleted boolean DEFAULT false NOT NULL;

database/migrations/20250122_add_faq_best_reply.sql

@@ -0,0 +1,15 @@
+ALTER TABLE public.faq_items
+    ADD COLUMN IF NOT EXISTS best_reply_id uuid;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'faq_items_best_reply_id_fkey'
+    ) THEN
+        ALTER TABLE ONLY public.faq_items
+            ADD CONSTRAINT faq_items_best_reply_id_fkey
+            FOREIGN KEY (best_reply_id) REFERENCES public.faq_replies(id) ON DELETE SET NULL;
+    END IF;
+END $$;
+
+CREATE INDEX IF NOT EXISTS ix_faq_items_best_reply_id ON public.faq_items USING btree (best_reply_id);

database/migrations/20250123_add_faq_status.sql

@@ -0,0 +1,4 @@
+ALTER TABLE public.faq_items
+    ADD COLUMN IF NOT EXISTS status character varying(20) DEFAULT 'PENDING' NOT NULL;
+
+UPDATE public.faq_items SET status = 'PENDING' WHERE status IS NULL;

database/migrations/20250124_add_faq_resolved_by_confirm.sql

@@ -0,0 +1,14 @@
+ALTER TABLE public.faq_items
+    ADD COLUMN IF NOT EXISTS resolved_by_confirm boolean DEFAULT false NOT NULL;
+
+UPDATE public.faq_items
+SET status = CASE
+    WHEN best_reply_id IS NOT NULL THEN 'RESOLVED'
+    WHEN EXISTS (
+        SELECT 1 FROM public.faq_replies r
+        WHERE r.faq_id = faq_items.id AND r.is_deleted = false
+    ) THEN 'PROCESSING'
+    ELSE 'PENDING'
+END,
+resolved_by_confirm = false
+WHERE status = 'RESOLVED' AND best_reply_id IS NULL;

frontend/src/api/faqs.ts

@@ -1,4 +1,4 @@
-import { apiGet, apiPatch, apiPost } from "./axios";
+import { apiDelete, apiGet, apiPatch, apiPost } from "./axios";
 import type { AxiosResponse } from "axios";
 import type { ApiListResponse } from "../types/api";
 
@@ -17,6 +17,8 @@ export interface FaqItem {
   id: string;
   study_id?: string | null;
   category_id: string;
+  best_reply_id?: string | null;
+  status?: "PENDING" | "PROCESSING" | "RESOLVED";
   question: string;
   answer: string;
   keywords?: string | null;
@@ -27,6 +29,25 @@ export interface FaqItem {
   updated_at: string;
 }
 
+export interface FaqReplyQuote {
+  id: string;
+  content: string;
+  created_by: string;
+  created_at: string;
+}
+
+export interface FaqReply {
+  id: string;
+  faq_id: string;
+  study_id?: string | null;
+  content: string;
+  created_by: string;
+  created_at: string;
+  quote_reply_id?: string | null;
+  quote?: FaqReplyQuote | null;
+  is_deleted?: boolean;
+}
+
 export const fetchFaqCategories = (params?: Record<string, any>): Promise<AxiosResponse<ApiListResponse<FaqCategory>>> =>
   apiGet("/api/v1/faqs/categories", { params });
 
@@ -36,6 +57,9 @@ export const createFaqCategory = (payload: Record<string, any>) =>
 export const updateFaqCategory = (categoryId: string, payload: Record<string, any>) =>
   apiPatch<FaqCategory>(`/api/v1/faqs/categories/${categoryId}`, payload);
 
+export const deleteFaqCategory = (categoryId: string) =>
+  apiDelete<void>(`/api/v1/faqs/categories/${categoryId}`);
+
 export const fetchFaqItems = (params?: Record<string, any>): Promise<AxiosResponse<ApiListResponse<FaqItem>>> =>
   apiGet("/api/v1/faqs/items", { params });
 
@@ -45,3 +69,21 @@ export const createFaqItem = (payload: Record<string, any>) => apiPost<FaqItem>(
 
 export const updateFaqItem = (itemId: string, payload: Record<string, any>) =>
   apiPatch<FaqItem>(`/api/v1/faqs/items/${itemId}`, payload);
+
+export const deleteFaqItem = (itemId: string) =>
+  apiDelete<void>(`/api/v1/faqs/items/${itemId}`);
+
+export const fetchFaqReplies = (itemId: string) =>
+  apiGet<FaqReply[] | { items: FaqReply[] }>(`/api/v1/faqs/items/${itemId}/replies`);
+
+export const createFaqReply = (itemId: string, payload: { content: string; quote_reply_id?: string | null }) =>
+  apiPost<FaqReply>(`/api/v1/faqs/items/${itemId}/replies`, payload);
+
+export const deleteFaqReply = (itemId: string, replyId: string) =>
+  apiDelete<void>(`/api/v1/faqs/items/${itemId}/replies/${replyId}`);
+
+export const setFaqBestReply = (itemId: string, payload: { best_reply_id: string | null }) =>
+  apiPatch<FaqItem>(`/api/v1/faqs/items/${itemId}/best-reply`, payload);
+
+export const setFaqStatus = (itemId: string, payload: { status: "PENDING" | "PROCESSING" | "RESOLVED" }) =>
+  apiPatch<FaqItem>(`/api/v1/faqs/items/${itemId}/status`, payload);

frontend/src/components/FaqCategoryForm.vue

@@ -49,7 +49,7 @@ const rules: FormRules = {
 const isEdit = computed(() => !!props.category);
 
 const reset = () => {
-  form.study_id = props.isAdmin ? "" : study.currentStudy?.id || "";
+  form.study_id = study.currentStudy?.id || "";
   form.name = "";
   form.description = "";
   form.sort_order = 0;
@@ -72,6 +72,15 @@ watch(
   { immediate: true }
 );
 
+watch(
+  () => props.modelValue,
+  (val) => {
+    if (val && !props.category) {
+      reset();
+    }
+  }
+);
+
 const close = () => emit("update:modelValue", false);
 
 const onSubmit = async () => {
@@ -80,15 +89,12 @@ const onSubmit = async () => {
   submitting.value = true;
   try {
     const payload: Record<string, any> = {
-      study_id: form.study_id || null,
+      study_id: study.currentStudy?.id || null,
       name: form.name,
       description: form.description || null,
       sort_order: form.sort_order,
       is_active: form.is_active,
     };
-    if (!props.isAdmin) {
-      payload.study_id = study.currentStudy?.id || null;
-    }
     if (isEdit.value && props.category) {
       await updateFaqCategory(props.category.id, payload);
     } else {

frontend/src/components/FaqCategoryPanel.vue

@@ -8,22 +8,18 @@
         </PermissionAction>
       </div>
     </div>
-    <el-menu :default-active="activeCategory" @select="onSelect">
+    <el-menu :default-active="activeCategory" @select="onSelect" class="menu">
       <el-menu-item index="">全部</el-menu-item>
       <el-menu-item v-for="c in sortedCategories" :key="c.id" :index="c.id">
-        <span>{{ c.name }}</span>
-        <el-tag v-if="c.study_id" size="small" type="success" class="ml-4">项目</el-tag>
-        <el-tag v-else size="small" class="ml-4">全局</el-tag>
-        <PermissionAction v-if="canEdit(c)" action="faq.edit">
-          <el-button
-            type="text"
-            size="small"
-            style="margin-left: auto"
-            @click.stop="openForm(c)"
-          >
-            编辑
-          </el-button>
-        </PermissionAction>
+        <span class="name" :title="c.name">{{ c.name }}</span>
+        <div v-if="canEdit(c) || canDelete" class="actions">
+          <PermissionAction v-if="canEdit(c)" action="faq.edit">
+            <el-button type="text" size="small" @click.stop="openForm(c)">编辑</el-button>
+          </PermissionAction>
+          <PermissionAction v-if="canDelete" action="faq.edit">
+            <el-button type="text" size="small" class="danger" @click.stop="onDelete(c)">删除</el-button>
+          </PermissionAction>
+        </div>
       </el-menu-item>
     </el-menu>
     <FaqCategoryForm v-model="showForm" :category="editing" :is-admin="isAdmin" @success="emit('refresh')" />
@@ -32,8 +28,10 @@
 
 <script setup lang="ts">
 import { computed, ref } from "vue";
+import { ElMessage, ElMessageBox } from "element-plus";
 import FaqCategoryForm from "./FaqCategoryForm.vue";
 import type { FaqCategory } from "../api/faqs";
+import { deleteFaqCategory } from "../api/faqs";
 import { useAuthStore } from "../store/auth";
 import { useStudyStore } from "../store/study";
 import PermissionAction from "./PermissionAction.vue";
@@ -54,6 +52,7 @@ const editing = ref<FaqCategory | null>(null);
 const { can } = usePermission();
 const isAdmin = computed(() => auth.user?.role === "ADMIN");
 const canMaintain = computed(() => can("faq.edit"));
+const canDelete = computed(() => isAdmin.value);
 
 const sortedCategories = computed(() =>
   [...props.categories].sort((a, b) => (a.sort_order ?? 0) - (b.sort_order ?? 0))
@@ -75,6 +74,18 @@ const openForm = (cat?: FaqCategory) => {
   editing.value = cat || null;
   showForm.value = true;
 };
+
+const onDelete = async (cat: FaqCategory) => {
+  const ok = await ElMessageBox.confirm(`确认删除分类「${cat.name}」？`, "提示").catch(() => null);
+  if (!ok) return;
+  try {
+    await deleteFaqCategory(cat.id);
+    ElMessage.success("删除成功");
+    emit("refresh");
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.message || "删除失败");
+  }
+};
 </script>
 
 <style scoped>
@@ -88,7 +99,24 @@ const openForm = (cat?: FaqCategory) => {
   padding: 12px;
   border-bottom: 1px solid #ebeef5;
 }
-.ml-4 {
-  margin-left: 4px;
+.menu {
+  max-height: calc(100vh - 240px);
+  overflow: auto;
+}
+.actions {
+  margin-left: auto;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+.name {
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.danger {
+  color: #f56c6c;
 }
 </style>

frontend/src/components/FaqItemForm.vue

@@ -9,12 +9,6 @@
       <el-form-item label="问题" prop="question">
         <el-input v-model="form.question" />
       </el-form-item>
-      <el-form-item label="答案" prop="answer">
-        <el-input v-model="form.answer" type="textarea" :rows="6" />
-      </el-form-item>
-      <el-form-item label="关键词">
-        <el-input v-model="form.keywords" placeholder="逗号分隔，可选" />
-      </el-form-item>
       <el-form-item label="启用">
         <el-switch v-model="form.is_active" />
       </el-form-item>
@@ -43,15 +37,12 @@ const form = reactive({
   study_id: "",
   category_id: "",
   question: "",
-  answer: "",
-  keywords: "",
   is_active: true,
 });
 
 const rules: FormRules = {
   category_id: [{ required: true, message: "请选择分类", trigger: "change" }],
   question: [{ required: true, message: "请输入问题", trigger: "blur" }],
-  answer: [{ required: true, message: "请输入答案", trigger: "blur" }],
 };
 
 const isEdit = computed(() => !!props.item);
@@ -60,8 +51,6 @@ const reset = () => {
   form.study_id = study.currentStudy?.id || "";
   form.category_id = "";
   form.question = "";
-  form.answer = "";
-  form.keywords = "";
   form.is_active = true;
 };
 
@@ -72,8 +61,6 @@ watch(
       form.study_id = val.study_id || "";
       form.category_id = val.category_id;
       form.question = val.question;
-      form.answer = val.answer;
-      form.keywords = val.keywords || "";
       form.is_active = val.is_active;
     } else {
       reset();
@@ -90,11 +77,9 @@ const onSubmit = async () => {
   submitting.value = true;
   try {
     const payload: Record<string, any> = {
-      study_id: form.study_id || null,
+      study_id: study.currentStudy?.id || null,
       category_id: form.category_id,
       question: form.question,
-      answer: form.answer,
-      keywords: form.keywords || null,
       is_active: form.is_active,
     };
     if (isEdit.value && props.item) {

frontend/src/components/FaqList.vue

@@ -1,12 +1,17 @@
 <template>
-  <el-table :data="items" v-loading="loading" style="width: 100%">
-    <el-table-column prop="question" label="问题" min-width="200" />
+  <el-table :data="items" v-loading="loading" style="width: 100%" @row-click="onRowClick">
+    <el-table-column prop="question" label="问题" min-width="200">
+      <template #default="scope">
+        <el-link type="primary" :underline="false" class="question-link">
+          {{ scope.row.question }}
+        </el-link>
+      </template>
+    </el-table-column>
     <el-table-column prop="category_id" label="分类" width="140">
       <template #default="scope">
         {{ categoryMap[scope.row.category_id] || scope.row.category_id }}
       </template>
     </el-table-column>
-    <el-table-column prop="version" label="版本" width="80" />
     <el-table-column prop="is_active" label="启用" width="80">
       <template #default="scope">
         <el-tag :type="scope.row.is_active ? 'success' : 'info'">{{ scope.row.is_active ? "是" : "否" }}</el-tag>
@@ -15,12 +20,16 @@
     <el-table-column prop="updated_at" label="更新时间" width="180">
       <template #default="scope">{{ displayDateTime(scope.row.updated_at) }}</template>
     </el-table-column>
+    <el-table-column prop="status" label="状态" width="120">
+      <template #default="scope">
+        <el-tag :type="statusTagType(scope.row.status)" size="small">{{ statusLabel(scope.row.status) }}</el-tag>
+      </template>
+    </el-table-column>
     <el-table-column label="操作" width="180">
       <template #default="scope">
-        <el-button type="text" size="small" @click="view(scope.row)">查看</el-button>
-        <PermissionAction v-if="canEdit" action="faq.edit">
-          <el-button type="text" size="small" @click="edit(scope.row)">编辑</el-button>
-        </PermissionAction>
+        <el-button v-if="canDelete(scope.row)" type="text" size="small" class="danger" @click="remove(scope.row)">
+          删除
+        </el-button>
         <PermissionAction v-if="canEdit" action="faq.edit">
           <el-button
             type="text"
@@ -40,10 +49,11 @@
 import { ElMessage, ElMessageBox } from "element-plus";
 import { computed } from "vue";
 import { useRouter } from "vue-router";
-import { updateFaqItem } from "../api/faqs";
+import { deleteFaqItem, updateFaqItem } from "../api/faqs";
 import type { FaqItem, FaqCategory } from "../api/faqs";
 import PermissionAction from "./PermissionAction.vue";
 import { displayDateTime } from "../utils/display";
+import { useAuthStore } from "../store/auth";
 
 const props = defineProps<{
   items: FaqItem[];
@@ -51,9 +61,10 @@ const props = defineProps<{
   loading: boolean;
   canEdit: boolean;
 }>();
-const emit = defineEmits(["refresh", "edit"]);
+const emit = defineEmits(["refresh"]);
 
 const router = useRouter();
+const auth = useAuthStore();
 
 const categoryMap = computed(() =>
   props.categories.reduce<Record<string, string>>((acc, cur) => {
@@ -66,10 +77,26 @@ const view = (row: FaqItem) => {
   router.push(`/study/faq/${row.id}`);
 };
 
-const edit = (row: FaqItem) => {
-  emit("edit", row);
+const onRowClick = (row: FaqItem, column: any, event: MouseEvent) => {
+  if (column?.property !== "question") return;
+  view(row);
 };
 
+const statusLabel = (status?: string) => {
+  if (status === "RESOLVED") return "已解决";
+  if (status === "PROCESSING") return "处理中";
+  return "待回答";
+};
+
+const statusTagType = (status?: string) => {
+  if (status === "RESOLVED") return "success";
+  if (status === "PROCESSING") return "warning";
+  return "info";
+};
+
+const canDelete = (row: FaqItem) => props.canEdit || row.created_by === auth.user?.id;
+
+
 const toggle = async (row: FaqItem) => {
   const target = !row.is_active;
   const ok = await ElMessageBox.confirm(`确认${target ? "启用" : "停用"}此 FAQ?`, "提示").catch(() => null);
@@ -82,4 +109,25 @@ const toggle = async (row: FaqItem) => {
     ElMessage.error(e?.response?.data?.message || "操作失败");
   }
 };
+
+const remove = async (row: FaqItem) => {
+  const ok = await ElMessageBox.confirm(`确认删除 FAQ「${row.question}」？`, "提示").catch(() => null);
+  if (!ok) return;
+  try {
+    await deleteFaqItem(row.id);
+    ElMessage.success("问题已删除");
+    emit("refresh");
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.message || "删除失败");
+  }
+};
 </script>
+
+<style scoped>
+.danger {
+  color: #f56c6c;
+}
+.question-link {
+  cursor: pointer;
+}
+</style>

frontend/src/utils/permission.ts

@@ -17,6 +17,8 @@ const PERMISSIONS: Record<string, string[]> = {
   "finance.pay": ["ADMIN", "PM"],
   "imp.transaction": ["ADMIN", "PM", "IMP"],
   "faq.edit": ["ADMIN", "PM"],
+  "faq.create": ["ADMIN", "PM", "CRA", "PV", "IMP"],
+  "faq.reply": ["ADMIN", "PM", "CRA", "PV", "IMP"],
   "dataquery.edit": ["ADMIN", "PM", "CRA"],
   "project.members.manage": ["ADMIN", "PM"],
   "site.manage": ["ADMIN", "PM"],
@@ -33,6 +35,8 @@ const REASONS: Record<string, string> = {
   "finance.pay": "支付确认需要 PM/ADMIN 权限",
   "imp.transaction": "仅 IMP/PM/ADMIN 可操作台账",
   "faq.edit": "仅 PM/ADMIN 可维护 FAQ",
+  "faq.create": "仅项目成员可新建 FAQ",
+  "faq.reply": "仅项目成员可回复 FAQ",
   "dataquery.edit": "仅 PM/CRA/ADMIN 可编辑数据问题",
   "project.members.manage": "仅 ADMIN / PM 可调整项目成员",
   "site.manage": "仅 ADMIN / PM 可管理中心",

frontend/src/views/Faq.vue

@@ -1,14 +1,14 @@
 <template>
   <div class="page">
     <el-row :gutter="12">
-      <el-col :span="6">
+      <el-col :span="5">
         <FaqCategoryPanel
           v-model="activeCategory"
           :categories="categories"
           @refresh="loadCategories"
         />
       </el-col>
-      <el-col :span="18">
+      <el-col :span="19">
         <el-card class="mb-12">
           <div class="filters">
             <el-input
@@ -18,14 +18,9 @@
               @keyup.enter="loadFaqs"
               style="width: 260px"
             />
-            <el-select v-model="studyScope" placeholder="范围" clearable style="width: 160px" @change="loadFaqs">
-              <el-option label="项目 FAQ" value="project" />
-              <el-option label="全局 FAQ" value="global" />
-              <el-option label="全部" value="all" />
-            </el-select>
             <el-switch v-model="onlyActive" active-text="仅启用" @change="loadFaqs" />
             <div class="spacer" />
-            <PermissionAction action="faq.edit">
+            <PermissionAction action="faq.create">
               <el-button type="primary" @click="openForm()">新建 FAQ</el-button>
             </PermissionAction>
           </div>
@@ -37,7 +32,6 @@
           :loading="loading"
           :can-edit="canEdit"
           @refresh="loadFaqs"
-          @edit="openForm"
         />
         <el-pagination
           class="pagination"
@@ -55,7 +49,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, onMounted, ref } from "vue";
+import { computed, onMounted, ref, watch } from "vue";
 import { ElMessage } from "element-plus";
 import { fetchFaqCategories, fetchFaqItems } from "../api/faqs";
 import FaqCategoryPanel from "../components/FaqCategoryPanel.vue";
@@ -77,7 +71,6 @@ const pageSize = 10;
 const total = ref(0);
 const keyword = ref("");
 const onlyActive = ref(true);
-const studyScope = ref("project");
 const activeCategory = ref("");
 const showForm = ref(false);
 const editing = ref<any | null>(null);
@@ -89,6 +82,7 @@ const loadCategories = async () => {
   try {
     const params: Record<string, any> = {};
     if (study.currentStudy) params.study_id = study.currentStudy.id;
+    params.include_global = false;
     const { data } = await fetchFaqCategories(params);
     categories.value = data.items || data || [];
   } catch (e: any) {
@@ -108,7 +102,6 @@ const loadFaqs = async () => {
     if (activeCategory.value) params.category_id = activeCategory.value;
     if (keyword.value) params.keyword = keyword.value;
     if (onlyActive.value) params.is_active = true;
-    if (studyScope.value) params.study_scope = studyScope.value;
     const { data } = await fetchFaqItems(params);
     if (Array.isArray(data)) {
       faqs.value = data;
@@ -129,6 +122,11 @@ const onPageChange = (p: number) => {
   loadFaqs();
 };
 
+watch(activeCategory, () => {
+  page.value = 1;
+  loadFaqs();
+});
+
 const openForm = (row?: any) => {
   editing.value = row || null;
   showForm.value = true;

frontend/src/views/FaqDetail.vue

@@ -1,52 +1,247 @@
 <template>
   <div class="page">
     <el-card v-loading="loading">
-      <div class="header">
-        <div>
-          <h3>{{ item?.question }}</h3>
-          <el-tag size="small">{{ item?.version ? "v" + item.version : "" }}</el-tag>
-        </div>
-        <div>
-          <el-tag type="info">{{ categoryName }}</el-tag>
-          <el-tag :type="item?.is_active ? 'success' : 'info'" class="ml-8">
-            {{ item?.is_active ? "启用" : "停用" }}
-          </el-tag>
-        </div>
-      </div>
-      <el-divider />
       <div class="content">
-        <pre>{{ item?.answer }}</pre>
+        <div class="question-header">
+          <div class="question-label">问题描述</div>
+          <div class="question-actions">
+            <el-button v-if="canEditQuestion" type="primary" size="small" class="edit-btn" @click="openEdit">
+              编辑问题
+            </el-button>
+            <el-button v-if="canConfirmResolved" type="success" size="small" @click="confirmResolved">
+              确认解决
+            </el-button>
+          </div>
+        </div>
+        <div class="question-meta">
+          <span class="meta-pill meta-user"
+            >提问人：{{ displayUser(item?.created_by, { members: memberMap, users: userMap }) }}</span
+          >
+          <span class="meta-pill meta-time">提问时间：{{ displayDateTime(item?.created_at) }}</span>
+          <span class="meta-pill meta-category">分类：{{ categoryName }}</span>
+          <span class="meta-pill meta-status">状态：{{ statusLabel }}</span>
+        </div>
+        <pre class="question-text">{{ item?.question }}</pre>
+      </div>
+      <div v-if="bestReply" class="best-answer">
+        <div class="best-title">
+          <span>最佳答案</span>
+          <el-tag type="success" size="small">已采纳</el-tag>
+        </div>
+        <div class="best-meta">
+          {{ displayUser(bestReply.created_by, { members: memberMap, users: userMap }) }}
+          · {{ displayDateTime(bestReply.created_at) }}
+        </div>
+        <div class="best-content">{{ bestReply.is_deleted ? "回复已删除" : bestReply.content }}</div>
       </div>
     </el-card>
+
+    <el-card class="mt-12" v-loading="repliesLoading">
+      <template #header>
+        <div class="reply-header">
+          <span>回复</span>
+          <span class="reply-count">共 {{ replies.length }} 条</span>
+        </div>
+      </template>
+      <div v-if="canReply" class="reply-form">
+        <div v-if="quoteReply" class="quote-box">
+          <div class="quote-meta">
+            引用 {{ displayUser(quoteReply.created_by, { members: memberMap, users: userMap }) }}
+            · {{ displayDateTime(quoteReply.created_at) }}
+            <el-button type="text" size="small" @click="clearQuote">取消引用</el-button>
+          </div>
+          <div class="quote-content">{{ quoteReply.content }}</div>
+        </div>
+        <el-input v-model="replyContent" type="textarea" :rows="4" placeholder="请输入回复内容" />
+        <div class="reply-actions">
+          <el-button type="primary" :loading="submitting" @click="submitReply">提交回复</el-button>
+        </div>
+      </div>
+      <div v-else class="reply-disabled">当前角色无权限回复</div>
+      <el-divider v-if="replies.length" />
+      <el-timeline v-if="replies.length">
+        <el-timeline-item v-for="r in replies" :key="r.id" :timestamp="displayDateTime(r.created_at)">
+          <div class="reply-item">
+            <div class="reply-meta">
+              <strong>{{ displayUser(r.created_by, { members: memberMap, users: userMap }) }}</strong>
+              <div class="reply-actions-inline">
+                <el-tag v-if="item?.best_reply_id === r.id" type="success" size="small">最佳答案</el-tag>
+                <el-button v-if="canReply" type="text" size="small" @click="setQuote(r)">引用</el-button>
+                <el-button
+                  v-if="canSelectBest && !r.is_deleted"
+                  type="text"
+                  size="small"
+                  @click="toggleBest(r)"
+                >
+                  {{ item?.best_reply_id === r.id ? "取消最佳" : "设为最佳" }}
+                </el-button>
+                <el-button v-if="canDeleteReply(r)" type="text" size="small" class="danger" @click="removeReply(r)">
+                  删除
+                </el-button>
+              </div>
+            </div>
+            <div v-if="r.quote" class="quote-block">
+              <div class="quote-meta">
+                {{ displayUser(r.quote.created_by, { members: memberMap, users: userMap }) }}
+                · {{ displayDateTime(r.quote.created_at) }}
+              </div>
+              <div class="quote-content">{{ r.quote.content }}</div>
+            </div>
+            <div class="reply-content">{{ r.is_deleted ? "回复已删除" : r.content }}</div>
+          </div>
+        </el-timeline-item>
+      </el-timeline>
+      <div v-else class="reply-empty">暂无回复</div>
+    </el-card>
+
+    <FaqItemForm
+      v-model="showForm"
+      :item="editing"
+      :categories="categories"
+      @success="onEditSuccess"
+    />
   </div>
 </template>
 
 <script setup lang="ts">
 import { computed, onMounted, ref } from "vue";
 import { useRoute } from "vue-router";
-import { ElMessage } from "element-plus";
-import { fetchFaqItem, fetchFaqCategories } from "../api/faqs";
+import { ElMessage, ElMessageBox } from "element-plus";
+import {
+  createFaqReply,
+  deleteFaqReply,
+  fetchFaqItem,
+  fetchFaqReplies,
+  fetchFaqCategories,
+  setFaqBestReply,
+  setFaqStatus,
+} from "../api/faqs";
+import { listMembers } from "../api/members";
+import { displayDateTime, displayUser } from "../utils/display";
+import { useAuthStore } from "../store/auth";
+import { usePermission } from "../utils/permission";
+import FaqItemForm from "../components/FaqItemForm.vue";
 
 const route = useRoute();
+const auth = useAuthStore();
 const item = ref<any>(null);
 const loading = ref(false);
 const categories = ref<any[]>([]);
+const replies = ref<any[]>([]);
+const repliesLoading = ref(false);
+const replyContent = ref("");
+const submitting = ref(false);
+const quoteReply = ref<any | null>(null);
+const members = ref<any[]>([]);
+const showForm = ref(false);
+const editing = ref<any | null>(null);
+
+const { can } = usePermission();
+
+const canReply = computed(() => {
+  if (!item.value) return false;
+  if (!item.value.study_id) return auth.user?.role === "ADMIN";
+  return can("faq.reply");
+});
+
+const canDeleteReply = (reply: any) => {
+  if (reply.is_deleted) return false;
+  if (auth.user?.role === "ADMIN") return true;
+  if (reply.created_by === auth.user?.id) return true;
+  return item.value?.study_id ? can("faq.edit") : false;
+};
+
+const canSelectBest = computed(() => {
+  if (!item.value) return false;
+  if (!item.value.study_id) return auth.user?.role === "ADMIN";
+  return can("faq.reply");
+});
+
+const canEditQuestion = computed(() => {
+  if (!item.value) return false;
+  if (auth.user?.role === "ADMIN") return true;
+  if (item.value.created_by === auth.user?.id) return true;
+  return item.value?.study_id ? can("faq.edit") : false;
+});
+
+const canConfirmResolved = computed(() => {
+  if (!item.value) return false;
+  if (item.value.status === "RESOLVED") return false;
+  if (auth.user?.role === "ADMIN") return true;
+  if (item.value.created_by === auth.user?.id) return true;
+  return item.value?.study_id ? can("faq.edit") : false;
+});
+
+const statusLabel = computed(() => {
+  if (item.value?.status === "RESOLVED") return "已解决";
+  if (item.value?.status === "PROCESSING") return "处理中";
+  return "待回答";
+});
+
+const bestReply = computed(() => {
+  if (!item.value?.best_reply_id) return null;
+  return replies.value.find((r) => r.id === item.value.best_reply_id) || null;
+});
+
+const memberMap = computed(() =>
+  members.value.reduce<Record<string, string>>((acc, cur) => {
+    const username = cur?.user?.display_name || cur?.user?.username || cur?.username;
+    if (cur?.user_id) acc[cur.user_id] = username || cur.user_id;
+    return acc;
+  }, {})
+);
+
+const userMap = computed(() => {
+  if (!auth.user?.id) return {};
+  const name = auth.user.display_name || auth.user.username || auth.user.id;
+  return { [auth.user.id]: name };
+});
 
 const categoryName = computed(() => {
   const cat = categories.value.find((c) => c.id === item.value?.category_id);
   return cat ? cat.name : item.value?.category_id;
 });
 
+const loadMembers = async (studyId?: string | null) => {
+  if (!studyId) {
+    members.value = [];
+    return;
+  }
+  try {
+    const { data } = await listMembers(studyId, { limit: 500 });
+    members.value = Array.isArray(data) ? data : data.items || [];
+  } catch {
+    members.value = [];
+  }
+};
+
+const loadReplies = async () => {
+  const id = route.params.itemId as string;
+  repliesLoading.value = true;
+  try {
+    const { data } = await fetchFaqReplies(id);
+    replies.value = Array.isArray(data) ? data : data.items || [];
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.message || "回复加载失败");
+  } finally {
+    repliesLoading.value = false;
+  }
+};
+
 const loadData = async () => {
   const id = route.params.itemId as string;
   loading.value = true;
   try {
-    const [{ data: catData }, { data: faqData }] = await Promise.all([
-      fetchFaqCategories(),
-      fetchFaqItem(id),
-    ]);
-    categories.value = catData.items || catData || [];
+    const { data: faqData } = await fetchFaqItem(id);
     item.value = faqData;
+    const categoryParams: Record<string, any> = {};
+    if (faqData.study_id) {
+      categoryParams.study_id = faqData.study_id;
+      categoryParams.include_global = false;
+    }
+    const { data: catData } = await fetchFaqCategories(categoryParams);
+    categories.value = catData.items || catData || [];
+    await Promise.all([loadReplies(), loadMembers(faqData.study_id)]);
   } catch (e: any) {
     ElMessage.error(e?.response?.data?.message || "加载失败");
   } finally {
@@ -54,6 +249,87 @@ const loadData = async () => {
   }
 };
 
+const setQuote = (reply: any) => {
+  quoteReply.value = reply;
+};
+
+const clearQuote = () => {
+  quoteReply.value = null;
+};
+
+const submitReply = async () => {
+  if (!replyContent.value.trim()) {
+    ElMessage.warning("请输入回复内容");
+    return;
+  }
+  if (!item.value) return;
+  submitting.value = true;
+  try {
+    await createFaqReply(item.value.id, {
+      content: replyContent.value,
+      quote_reply_id: quoteReply.value?.id || null,
+    });
+    ElMessage.success("回复已提交");
+    replyContent.value = "";
+    quoteReply.value = null;
+    loadReplies();
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.message || "回复失败");
+  } finally {
+    submitting.value = false;
+  }
+};
+
+const removeReply = async (reply: any) => {
+  if (!item.value) return;
+  const ok = await ElMessageBox.confirm("确认删除该回复？", "提示").catch(() => null);
+  if (!ok) return;
+  try {
+    await deleteFaqReply(item.value.id, reply.id);
+    ElMessage.success("回复已删除");
+    loadReplies();
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.message || "删除失败");
+  }
+};
+
+const toggleBest = async (reply: any) => {
+  if (!item.value) return;
+  try {
+    const target = item.value.best_reply_id === reply.id ? null : reply.id;
+    if (target) {
+      const ok = await ElMessageBox.confirm("设为最佳答案并确认已解决？", "提示").catch(() => null);
+      if (!ok) return;
+    }
+    const { data } = await setFaqBestReply(item.value.id, { best_reply_id: target });
+    item.value = data;
+    ElMessage.success(target ? "已设为最佳答案" : "已取消最佳答案");
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.message || "操作失败");
+  }
+};
+
+const confirmResolved = async () => {
+  if (!item.value) return;
+  try {
+    const { data } = await setFaqStatus(item.value.id, { status: "RESOLVED" });
+    item.value = data;
+    ElMessage.success("已设置为已解决");
+  } catch (e: any) {
+    ElMessage.error(e?.response?.data?.message || "操作失败");
+  }
+};
+
+const openEdit = () => {
+  editing.value = item.value;
+  showForm.value = true;
+};
+
+const onEditSuccess = () => {
+  showForm.value = false;
+  loadData();
+};
+
 onMounted(() => {
   loadData();
 });
@@ -63,16 +339,167 @@ onMounted(() => {
 .page {
   padding: 16px;
 }
-.header {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-}
 .content {
   white-space: pre-wrap;
   line-height: 1.6;
 }
+.question-label {
+  margin-bottom: 8px;
+  font-weight: 600;
+  color: #303133;
+}
+.question-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 6px;
+}
+.question-actions {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-end;
+  gap: 6px;
+}
+.edit-btn {
+  font-weight: 600;
+}
+.question-meta {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12px;
+  color: #606266;
+  font-size: 12px;
+  margin-bottom: 8px;
+}
+.meta-pill {
+  padding: 4px 10px;
+  border-radius: 999px;
+  font-weight: 500;
+  border: 1px solid transparent;
+}
+.meta-user {
+  background: #eef2ff;
+  border-color: #c7d2fe;
+  color: #3730a3;
+}
+.meta-time {
+  background: #fef9c3;
+  border-color: #fde68a;
+  color: #92400e;
+}
+.meta-category {
+  background: #ecfccb;
+  border-color: #bef264;
+  color: #3f6212;
+}
+.meta-status {
+  background: #ecfeff;
+  border-color: #a5f3fc;
+  color: #155e75;
+}
+.confirm-row {
+  margin-bottom: 8px;
+}
 .ml-8 {
   margin-left: 8px;
 }
+.mt-12 {
+  margin-top: 12px;
+}
+.reply-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+.reply-count {
+  color: #909399;
+  font-size: 12px;
+}
+.reply-form {
+  margin-bottom: 12px;
+}
+.reply-actions {
+  margin-top: 8px;
+  display: flex;
+  justify-content: flex-end;
+}
+.reply-disabled {
+  color: #909399;
+  font-size: 12px;
+}
+.reply-item {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+.reply-meta {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+.reply-actions-inline {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+}
+.reply-content {
+  white-space: pre-wrap;
+}
+.danger {
+  color: #f56c6c;
+}
+.best-answer {
+  margin-top: 16px;
+  padding: 12px 14px;
+  border: 1px solid #e1f3d8;
+  background: #f0f9eb;
+  border-radius: 8px;
+}
+.best-title {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-weight: 600;
+  color: #2f6f2f;
+  margin-bottom: 6px;
+}
+.best-meta {
+  color: #606266;
+  font-size: 12px;
+  margin-bottom: 8px;
+}
+.best-content {
+  white-space: pre-wrap;
+}
+.question-text {
+  margin: 6px 0 0;
+  padding: 12px 14px;
+  border-radius: 10px;
+  background: #f5f7ff;
+  border: 1px solid #e0e7ff;
+  color: #1f2a44;
+  font-size: 16px;
+  font-weight: 600;
+}
+.quote-block,
+.quote-box {
+  background: #f5f7fa;
+  border-left: 3px solid #dcdfe6;
+  padding: 8px 10px;
+  border-radius: 4px;
+}
+.quote-meta {
+  display: flex;
+  justify-content: space-between;
+  color: #909399;
+  font-size: 12px;
+  margin-bottom: 6px;
+}
+.quote-content {
+  white-space: pre-wrap;
+}
+.reply-empty {
+  color: #909399;
+  font-size: 12px;
+}
 </style>