feat(agent): 建立严格工具身份与调用契约 (#6280)

app/agent/policy/__init__.py

@@ -4,9 +4,14 @@ from app.agent.policy.contracts import (
     ActionEffect,
     ActionPolicy,
     AuthSource,
+    CanonicalInvocation,
+    ConversationKind,
+    DeliveryTarget,
     ConfirmationMode,
     ExecutionOutcome,
     ExecutionReceipt,
+    InboundEnvelope,
+    InboundProvenance,
     MigrationState,
     PolicyDecision,
     PolicyObservation,
@@ -14,10 +19,14 @@ from app.agent.policy.contracts import (
     PrincipalRole,
     PrincipalType,
     RecoveryMode,
+    RECEIPT_STATE_TRANSITIONS,
+    ReceiptState,
     ResultSensitivity,
+    TERMINAL_RECEIPT_STATES,
     ToolInvocation,
     ToolOrigin,
     ToolPolicyContext,
+    ToolRevision,
 )
 from app.agent.policy.orchestrator import (
     DEFAULT_TOOL_POLICY_ORCHESTRATOR,
@@ -39,11 +48,16 @@ __all__ = [
     "ActionPolicy",
     "AgentToolPolicyOrchestrator",
     "AuthSource",
+    "CanonicalInvocation",
+    "ConversationKind",
+    "DeliveryTarget",
     "ConfirmationMode",
     "DEFAULT_TOOL_POLICY_ORCHESTRATOR",
     "DEFAULT_TOOL_POLICY_REGISTRY",
     "ExecutionOutcome",
     "ExecutionReceipt",
+    "InboundEnvelope",
+    "InboundProvenance",
     "MigrationState",
     "PolicyDecision",
     "PolicyObservation",
@@ -52,10 +66,14 @@ __all__ = [
     "PrincipalType",
     "REDACTED_VALUE",
     "RecoveryMode",
+    "RECEIPT_STATE_TRANSITIONS",
+    "ReceiptState",
     "ResultSensitivity",
+    "TERMINAL_RECEIPT_STATES",
     "ToolInvocation",
     "ToolOrigin",
     "ToolPolicyContext",
+    "ToolRevision",
     "ToolPolicyRegistry",
     "call_policy_hook",
     "sanitize_for_host",