feat(workbench): persist topbar notification state

server/src/app/api/v1/endpoints/notification_states.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+from typing import Annotated
+
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.api.deps import CurrentUserContext, get_current_user, get_db
+from app.schemas.notification_state import NotificationStateBatchPatch, NotificationStateListRead
+from app.services.notification_states import NotificationStateService
+
+router = APIRouter(prefix="/notification-states")
+DbSession = Annotated[Session, Depends(get_db)]
+CurrentUser = Annotated[CurrentUserContext, Depends(get_current_user)]
+
+
+@router.get(
+    "",
+    response_model=NotificationStateListRead,
+    summary="读取当前用户通知状态",
+    description="读取当前登录用户的小铃铛通知已读和隐藏状态，用于跨设备保持一致。",
+)
+def list_notification_states(db: DbSession, current_user: CurrentUser) -> NotificationStateListRead:
+    return NotificationStateService(db).list_states(current_user)
+
+
+@router.post(
+    "",
+    response_model=NotificationStateListRead,
+    summary="批量保存当前用户通知状态",
+    description="批量保存当前登录用户的小铃铛通知已读和隐藏状态。",
+)
+def patch_notification_states(
+    payload: NotificationStateBatchPatch,
+    db: DbSession,
+    current_user: CurrentUser,
+) -> NotificationStateListRead:
+    return NotificationStateService(db).patch_states(payload, current_user)

server/src/app/api/v1/router.py

@@ -14,6 +14,7 @@ from app.api.v1.endpoints.employees import router as employees_router
 from app.api.v1.endpoints.employee_profiles import router as employee_profiles_router
 from app.api.v1.endpoints.health import router as health_router
 from app.api.v1.endpoints.knowledge import router as knowledge_router
+from app.api.v1.endpoints.notification_states import router as notification_states_router
 from app.api.v1.endpoints.ocr import router as ocr_router
 from app.api.v1.endpoints.ontology import router as ontology_router
 from app.api.v1.endpoints.orchestrator import router as orchestrator_router
@@ -36,6 +37,7 @@ router.include_router(agent_traces_router, tags=["agent-traces"])
 router.include_router(analytics_router, tags=["analytics"])
 router.include_router(audit_logs_router, tags=["audit-logs"])
 router.include_router(knowledge_router, tags=["knowledge"])
+router.include_router(notification_states_router, tags=["notification-states"])
 router.include_router(ocr_router, tags=["ocr"])
 router.include_router(ontology_router, tags=["ontology"])
 router.include_router(orchestrator_router, tags=["orchestrator"])

server/src/app/db/base.py

@@ -23,6 +23,7 @@ from app.models.financial_record import (
 )
 from app.models.hermes_config import HermesTaskConfig, HermesTaskExecutionLog
 from app.models.hermes_report import HermesRiskReport
+from app.models.notification_state import NotificationState
 from app.models.organization import OrganizationUnit
 from app.models.reimbursement import ReimbursementRequest
 from app.models.risk_observation import RiskObservation, RiskObservationFeedback
@@ -60,6 +61,7 @@ __all__ = [
     "HermesTaskConfig",
     "HermesTaskExecutionLog",
     "HermesRiskReport",
+    "NotificationState",
     "OrganizationUnit",
     "ReimbursementRequest",
     "RiskObservation",

server/src/app/models/__init__.py

@@ -16,6 +16,7 @@ from app.models.financial_record import (
 )
 from app.models.hermes_config import HermesTaskConfig, HermesTaskExecutionLog
 from app.models.hermes_report import HermesRiskReport
+from app.models.notification_state import NotificationState
 from app.models.organization import OrganizationUnit
 from app.models.reimbursement import ReimbursementRequest
 from app.models.risk_observation import RiskObservation, RiskObservationFeedback
@@ -51,6 +52,7 @@ __all__ = [
     "HermesTaskConfig",
     "HermesTaskExecutionLog",
     "HermesRiskReport",
+    "NotificationState",
     "OrganizationUnit",
     "ReimbursementRequest",
     "RiskObservation",

server/src/app/models/notification_state.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import uuid
+from datetime import datetime
+from typing import Any
+
+from sqlalchemy import DateTime, Index, String, UniqueConstraint, func
+from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.types import JSON
+
+from app.db.base_class import Base
+
+
+class NotificationState(Base):
+    __tablename__ = "notification_states"
+    __table_args__ = (
+        UniqueConstraint("user_id", "notification_id", name="uq_notification_states_user_notification"),
+        Index("ix_notification_states_user_updated", "user_id", "updated_at"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    user_id: Mapped[str] = mapped_column(String(100), index=True)
+    notification_id: Mapped[str] = mapped_column(String(180), index=True)
+    read_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    hidden_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    context_json: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+    )

server/src/app/schemas/notification_state.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any
+
+from pydantic import BaseModel, ConfigDict, Field, field_validator
+
+
+def _normalize_text(value: Any) -> str:
+    return str(value or "").strip()
+
+
+class NotificationStatePatch(BaseModel):
+    notification_id: str = Field(min_length=1, max_length=180)
+    read: bool = False
+    hidden: bool = False
+    context_json: dict[str, Any] = Field(default_factory=dict)
+
+    @field_validator("notification_id", mode="before")
+    @classmethod
+    def normalize_notification_id(cls, value: Any) -> str:
+        return _normalize_text(value)
+
+    @field_validator("context_json", mode="before")
+    @classmethod
+    def normalize_context(cls, value: Any) -> dict[str, Any]:
+        return value if isinstance(value, dict) else {}
+
+
+class NotificationStateBatchPatch(BaseModel):
+    states: list[NotificationStatePatch] = Field(default_factory=list, max_length=100)
+
+
+class NotificationStateRead(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    notification_id: str
+    read_at: datetime | None
+    hidden_at: datetime | None
+    context_json: dict[str, Any]
+    updated_at: datetime
+
+
+class NotificationStateListRead(BaseModel):
+    states: list[NotificationStateRead] = Field(default_factory=list)

server/src/app/services/notification_states.py

@@ -0,0 +1,88 @@
+from __future__ import annotations
+
+from datetime import UTC, datetime
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.api.deps import CurrentUserContext
+from app.db.base import Base
+from app.models.notification_state import NotificationState
+from app.schemas.notification_state import (
+    NotificationStateBatchPatch,
+    NotificationStateListRead,
+    NotificationStateRead,
+)
+
+
+class NotificationStateService:
+    def __init__(self, db: Session) -> None:
+        self.db = db
+
+    def ensure_storage_ready(self) -> None:
+        Base.metadata.create_all(bind=self.db.get_bind(), tables=[NotificationState.__table__])
+
+    def list_states(self, current_user: CurrentUserContext) -> NotificationStateListRead:
+        self.ensure_storage_ready()
+        stmt = (
+            select(NotificationState)
+            .where(NotificationState.user_id == self._user_key(current_user))
+            .order_by(NotificationState.updated_at.desc())
+        )
+        states = list(self.db.scalars(stmt).all())
+        return NotificationStateListRead(
+            states=[NotificationStateRead.model_validate(item) for item in states]
+        )
+
+    def patch_states(
+        self,
+        payload: NotificationStateBatchPatch,
+        current_user: CurrentUserContext,
+    ) -> NotificationStateListRead:
+        self.ensure_storage_ready()
+        user_id = self._user_key(current_user)
+        patches = [item for item in payload.states if item.notification_id]
+        if not patches:
+            return self.list_states(current_user)
+
+        ids = {item.notification_id for item in patches}
+        existing_rows = list(
+            self.db.scalars(
+                select(NotificationState).where(
+                    NotificationState.user_id == user_id,
+                    NotificationState.notification_id.in_(ids),
+                )
+            ).all()
+        )
+        existing_by_id = {item.notification_id: item for item in existing_rows}
+        now = datetime.now(UTC)
+
+        for patch in patches:
+            row = existing_by_id.get(patch.notification_id)
+            if row is None:
+                row = NotificationState(
+                    user_id=user_id,
+                    notification_id=patch.notification_id,
+                    context_json={},
+                )
+                self.db.add(row)
+                existing_by_id[patch.notification_id] = row
+
+            if patch.read and row.read_at is None:
+                row.read_at = now
+            if patch.hidden and row.hidden_at is None:
+                row.hidden_at = now
+            if patch.context_json:
+                row.context_json = self._merge_context(row.context_json, patch.context_json)
+
+        self.db.commit()
+        return self.list_states(current_user)
+
+    @staticmethod
+    def _user_key(current_user: CurrentUserContext) -> str:
+        return str(current_user.username or current_user.name or "anonymous").strip() or "anonymous"
+
+    @staticmethod
+    def _merge_context(current: dict | None, patch: dict) -> dict:
+        base = current if isinstance(current, dict) else {}
+        return {**base, **patch}