feat(ai): add expense application feedback ledger

server/src/app/models/__init__.py

@@ -7,6 +7,7 @@ from app.models.agent_asset import (
 from app.models.agent_conversation import AgentConversation, AgentConversationMessage
 from app.models.agent_feedback import AgentOperationFeedback
 from app.models.agent_run import AgentRun, AgentToolCall, AgentTraceEvent, SemanticParseLog
+from app.models.ai_learning import AIDecision, AIDecisionFeedback, WorkflowOutcome
 from app.models.approval import ApprovalRecord
 from app.models.audit_log import AuditLog
 from app.models.auth_session import AuthSession
@@ -51,6 +52,8 @@ __all__ = [
     "ApprovalRecord",
     "AuditLog",
     "AuthSession",
+    "AIDecision",
+    "AIDecisionFeedback",
     "BudgetAllocation",
     "BudgetReservation",
     "BudgetTransaction",
@@ -78,4 +81,5 @@ __all__ = [
     "SystemSetting",
     "SystemSettingSecret",
     "UserSessionMetric",
+    "WorkflowOutcome",
 ]