feat: initial TaskPulse release

AI Agent 定时任务跟踪、监控、状态看板系统。

- FastAPI + Vue3 单体应用
- AI Agent 一键接入（批量注册 API）
- 暗色主题 Dashboard
- 后台调度器 + 超时告警
- 飞书/邮件/Webhook 多渠道通知
- Base URL 可配置
- Gunicorn 生产部署

backend/app/schemas/__init__.py

@@ -0,0 +1,23 @@
+"""Pydantic schema registry."""
+
+from app.schemas.agent import AgentBatchRegister, AgentBatchRegisterResult, AgentCreate, AgentHeartbeat, AgentOut, AgentUpdate  # noqa: F401
+from app.schemas.execution import ExecutionOut, ExecutionReport  # noqa: F401
+from app.schemas.notification import (  # noqa: F401
+    AlertAcknowledge,
+    AlertOut,
+    AlertRuleCreate,
+    AlertRuleOut,
+    NotificationChannelCreate,
+    NotificationChannelOut,
+    NotificationChannelUpdate,
+)
+from app.schemas.task import TaskCreate, TaskOut, TaskUpdate  # noqa: F401
+
+__all__ = [
+    "AgentCreate", "AgentUpdate", "AgentOut", "AgentHeartbeat",
+    "TaskCreate", "TaskUpdate", "TaskOut",
+    "ExecutionReport", "ExecutionOut",
+    "NotificationChannelCreate", "NotificationChannelUpdate", "NotificationChannelOut",
+    "AlertRuleCreate", "AlertRuleOut",
+    "AlertOut", "AlertAcknowledge",
+]

backend/app/schemas/agent.py

@@ -0,0 +1,57 @@
+"""Pydantic schemas — Agent."""
+
+from datetime import datetime
+
+from pydantic import BaseModel, Field
+
+
+class AgentCreate(BaseModel):
+    name: str = Field(..., max_length=128)
+    description: str = Field(default="")
+
+
+class AgentUpdate(BaseModel):
+    name: str | None = Field(None, max_length=128)
+    description: str | None = None
+    status: str | None = None  # active / inactive
+
+
+class AgentOut(BaseModel):
+    id: int
+    name: str
+    description: str
+    api_key: str
+    status: str
+    last_heartbeat_at: datetime | None = None
+    task_count: int = 0
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = {"from_attributes": True}
+
+
+class AgentHeartbeat(BaseModel):
+    pass
+
+
+# ── Batch registration (AI agent self-registers with tasks) ───────
+
+class TaskRegistrationItem(BaseModel):
+    """A single task an agent wants to register."""
+    name: str = Field(..., max_length=256)
+    description: str = Field(default="")
+    cron_expression: str = Field(..., max_length=64)
+    grace_period: int = Field(default=300, ge=0)
+
+
+class AgentBatchRegister(BaseModel):
+    """AI agent sends this to register itself + all its tasks in one call."""
+    name: str = Field(..., max_length=128)
+    description: str = Field(default="")
+    tasks: list[TaskRegistrationItem] = Field(default_factory=list)
+
+
+class AgentBatchRegisterResult(BaseModel):
+    """Response for batch registration."""
+    agent: AgentOut
+    tasks_created: int

backend/app/schemas/execution.py

@@ -0,0 +1,31 @@
+"""Pydantic schemas — TaskExecution."""
+
+from datetime import datetime
+
+from pydantic import BaseModel, Field
+
+
+class ExecutionReport(BaseModel):
+    """Agent 汇报执行结果"""
+    status: str = Field(..., pattern=r"^(success|failed)$", description="success 或 failed")
+    finished_at: datetime | None = None
+    duration_ms: int | None = None
+    result: str | None = Field(None, description="执行结果摘要 (JSON)")
+    log: str | None = Field(None, description="执行日志文本")
+    error_message: str | None = None
+
+
+class ExecutionOut(BaseModel):
+    id: int
+    task_id: int
+    agent_id: int
+    status: str
+    started_at: datetime
+    finished_at: datetime | None = None
+    duration_ms: int | None = None
+    result: str | None = None
+    log: str | None = None
+    error_message: str | None = None
+    created_at: datetime
+
+    model_config = {"from_attributes": True}

backend/app/schemas/notification.py

@@ -0,0 +1,70 @@
+"""Pydantic schemas — Notifications & Alerts."""
+
+from datetime import datetime
+
+from pydantic import BaseModel, Field
+
+
+# ── Notification Channel ──────────────────────────────────────────────
+
+class NotificationChannelCreate(BaseModel):
+    name: str = Field(..., max_length=128)
+    channel_type: str = Field(..., pattern=r"^(feishu_cli|email|webhook)$")
+    config: str = Field(..., description="JSON 配置字符串")
+
+
+class NotificationChannelUpdate(BaseModel):
+    name: str | None = Field(None, max_length=128)
+    config: str | None = None
+    enabled: bool | None = None
+
+
+class NotificationChannelOut(BaseModel):
+    id: int
+    name: str
+    channel_type: str
+    config: str
+    enabled: bool
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = {"from_attributes": True}
+
+
+# ── Alert Rule ────────────────────────────────────────────────────────
+
+class AlertRuleCreate(BaseModel):
+    task_id: int
+    channel_id: int
+    alert_type: str = Field(default="missed_run", pattern=r"^(missed_run|failure)$")
+
+
+class AlertRuleOut(BaseModel):
+    id: int
+    task_id: int
+    channel_id: int
+    channel_name: str = ""
+    alert_type: str
+    enabled: bool
+    created_at: datetime
+
+    model_config = {"from_attributes": True}
+
+
+# ── Alert ─────────────────────────────────────────────────────────────
+
+class AlertOut(BaseModel):
+    id: int
+    task_id: int | None = None
+    task_name: str = ""
+    alert_type: str
+    message: str
+    status: str
+    acknowledged_at: datetime | None = None
+    created_at: datetime
+
+    model_config = {"from_attributes": True}
+
+
+class AlertAcknowledge(BaseModel):
+    pass

backend/app/schemas/task.py

@@ -0,0 +1,39 @@
+"""Pydantic schemas — ScheduledTask."""
+
+from datetime import datetime
+
+from pydantic import BaseModel, Field
+
+
+class TaskCreate(BaseModel):
+    name: str = Field(..., max_length=256)
+    description: str = Field(default="")
+    cron_expression: str = Field(..., max_length=64)
+    grace_period: int = Field(default=300, ge=0)
+
+
+class TaskUpdate(BaseModel):
+    name: str | None = Field(None, max_length=256)
+    description: str | None = None
+    cron_expression: str | None = None
+    grace_period: int | None = None
+    status: str | None = None  # active / paused / stopped
+
+
+class TaskOut(BaseModel):
+    id: int
+    agent_id: int
+    agent_name: str = ""
+    name: str
+    description: str
+    cron_expression: str
+    grace_period: int
+    status: str
+    last_run_at: datetime | None = None
+    last_run_result: str | None = None
+    next_run_at: datetime | None = None
+    total_run_count: int = 0
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = {"from_attributes": True}