refactor: 重整 schemas 作用域并统一用户上下文模型

backend/src/schemas/agent/__init__.py

@@ -0,0 +1,54 @@
+from schemas.agent.agui_input import (
+    extract_latest_tool_result,
+    parse_run_input,
+    validate_run_request_messages_contract,
+)
+from schemas.agent.agent_runtime import (
+    AcceptedTaskResponse,
+    AgUiWireEvent,
+    HistorySnapshotResponse,
+    InternalRuntimeEvent,
+    ResumeCommand,
+    RunCommand,
+    TaskAccepted,
+    TaskAcceptedResponse,
+)
+from schemas.agent.runtime_models import (
+    RouterAgentOutput,
+    ToolAgentOutput,
+    UiHintsPayload,
+    WorkerAgentOutput,
+)
+from schemas.agent.execution import (
+    ExecutionBatchOutput,
+    ExecutionTaskOutput,
+)
+from schemas.agent.intent import IntentOutput, IntentTask
+from schemas.agent.report import ReportOutput
+from schemas.agent.runtime import RuntimeOutput
+from schemas.agent.config import SystemAgentLLMConfig
+
+__all__ = [
+    "AgUiWireEvent",
+    "AcceptedTaskResponse",
+    "ExecutionBatchOutput",
+    "ExecutionTaskOutput",
+    "HistorySnapshotResponse",
+    "IntentOutput",
+    "IntentTask",
+    "InternalRuntimeEvent",
+    "parse_run_input",
+    "validate_run_request_messages_contract",
+    "extract_latest_tool_result",
+    "SystemAgentLLMConfig",
+    "ReportOutput",
+    "ResumeCommand",
+    "RouterAgentOutput",
+    "RuntimeOutput",
+    "RunCommand",
+    "TaskAccepted",
+    "TaskAcceptedResponse",
+    "ToolAgentOutput",
+    "UiHintsPayload",
+    "WorkerAgentOutput",
+]