fix: 优化部分架构问题和特性问题

backend/alembic/versions/011_add_meeting_online_url.py

@@ -0,0 +1,25 @@
+"""为 meetings 表添加 online_url 字段，支持线上线下混合会议
+
+Revision ID: 011_add_meeting_online_url
+Revises: 010_make_community_id_nullable
+Create Date: 2026-02-23
+"""
+import sqlalchemy as sa
+from alembic import op
+
+revision = "011_add_meeting_online_url"
+down_revision = "010_make_community_id_nullable"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("meetings") as batch_op:
+        batch_op.add_column(
+            sa.Column("online_url", sa.String(500), nullable=True)
+        )
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("meetings") as batch_op:
+        batch_op.drop_column("online_url")

backend/app/api/contents.py

@@ -101,7 +101,7 @@ def create_content(
     if data.source_type not in VALID_SOURCE_TYPES:
         raise HTTPException(400, f"Invalid source_type, must be one of {VALID_SOURCE_TYPES}")
     content_html = convert_markdown_to_html(data.content_markdown) if data.content_markdown else ""
-    # 主社区：优先取 community_ids[0]，兼容旧逻辑
+    # 主社区：取 community_ids[0]；若未提供则不关联社区
     primary_community_id = data.community_ids[0] if data.community_ids else None
     content = Content(
         title=data.title,

backend/app/api/meetings.py

@@ -101,6 +101,7 @@ def create_meeting(
         duration=data.duration,
         location_type=data.location_type,
         location=data.location,
+        online_url=data.online_url,
         agenda=data.agenda,
         status="scheduled",
         work_status="planning",  # 固定默认值，不对外暴露
@@ -163,6 +164,7 @@ def get_meeting(
         "duration": meeting.duration,
         "location_type": meeting.location_type,
         "location": meeting.location,
+        "online_url": meeting.online_url,
         "status": meeting.status,
         "work_status": meeting.work_status,
         "agenda": meeting.agenda,

backend/app/api/upload.py

@@ -5,7 +5,7 @@
 from sqlalchemy.orm import Session
 
 from app.config import settings
-from app.core.dependencies import get_current_community, get_current_user
+from app.core.dependencies import get_current_user
 from app.database import get_db
 from app.models.content import Content
 from app.models.user import User
@@ -23,7 +23,6 @@ async def upload_file(
     file: UploadFile = File(...),
     db: Session = Depends(get_db),
     current_user: User = Depends(get_current_user),
-    current_community: int = Depends(get_current_community),
 ):
     if not file.filename:
         raise HTTPException(400, "No filename provided")
@@ -60,7 +59,7 @@ async def upload_file(
         source_type="contribution",
         source_file=save_name,
         status="draft",
-        community_id=current_community,
+        community_id=None,
         created_by_user_id=current_user.id,
     )
     db.add(content)

backend/app/models/meeting.py

@@ -54,7 +54,8 @@ class Meeting(Base):
     duration = Column(Integer, default=120)  # 持续时长（分钟）
 
     location_type = Column(String(50), nullable=True)  # online / offline / hybrid
-    location = Column(String(500), nullable=True)
+    location = Column(String(500), nullable=True)       # 线下会议地址
+    online_url = Column(String(500), nullable=True)     # 线上会议链接（online / hybrid 时使用）
 
     status = Column(String(50), default="scheduled", index=True)
     # 可选值: scheduled, in_progress, completed, cancelled

backend/app/schemas/content.py

@@ -15,7 +15,7 @@ class ContentCreate(BaseModel):
     scheduled_publish_at: datetime | None = None
     work_status: str = "planning"
     assignee_ids: list[int] = []
-    # 多社区关联：不填则默认使用 X-Community-Id header 对应的社区
+    # 多社区关联：不填则内容不关联任何社区
     community_ids: list[int] = []
 
 
@@ -73,6 +73,8 @@ class ContentListOut(BaseModel):
     tags: list[str]
     category: str
     status: str
+    work_status: str = "planning"
+    community_id: int | None = None
     owner_id: int | None = None
     scheduled_publish_at: datetime | None = None
     created_at: datetime

backend/app/schemas/governance.py

@@ -127,7 +127,8 @@ class MeetingCreate(BaseModel):
     scheduled_at: datetime
     duration: int = Field(120, ge=1)
     location_type: str | None = "online"
-    location: str | None = None
+    location: str | None = None        # 线下会议地址（offline / hybrid）
+    online_url: str | None = None      # 线上会议链接（online / hybrid）
     agenda: str | None = None
     reminder_before_hours: int = 24
     assignee_ids: list[int] = []
@@ -140,7 +141,8 @@ class MeetingUpdate(BaseModel):
     scheduled_at: datetime | None = None
     duration: int | None = Field(None, ge=1)
     location_type: str | None = None
-    location: str | None = None
+    location: str | None = None        # 线下会议地址（offline / hybrid）
+    online_url: str | None = None      # 线上会议链接（online / hybrid）
     status: str | None = None
     agenda: str | None = None
     reminder_before_hours: int | None = None
@@ -157,6 +159,7 @@ class MeetingOut(BaseModel):
     duration: int
     location_type: str | None = None
     location: str | None = None
+    online_url: str | None = None
     status: str
     reminder_sent: bool
     created_by_user_id: int | None = None