Implement AI orchestration wedding demo

backend/tests/test_memory_executor.py

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+import pytest
+
+from app.ai.tool_registry import ToolRegistry
+from app.domain.schemas import ActionStatus
+from app.domain.schemas import ToolDefinition
+from app.executor.action_executor import ActionExecutor
+from app.infrastructure.database import PendingAction
+from app.memory.memory_manager import MemoryManager
+
+
+def test_memory_retrieves_semantic_items():
+    memory = MemoryManager()
+    memory.upsert("preference", "Customer prefers white flowers")
+
+    results = memory.retrieve("white flower preference")
+
+    assert results[0]["type"] == "preference"
+
+
+@pytest.mark.asyncio
+async def test_executor_rejects_unapproved_action():
+    registry = ToolRegistry(
+        [
+            ToolDefinition(
+                name="create_task",
+                description="Create task",
+                method="POST",
+                path="/tasks",
+                schema={"type": "object", "properties": {"title": {"type": "string"}}},
+            )
+        ]
+    )
+    action = PendingAction(tool="create_task", status="pending_review", payload={"title": "x"})
+
+    with pytest.raises(ValueError, match="Only approved"):
+        await ActionExecutor(registry).execute(None, action)  # type: ignore[arg-type]
+
+
+@pytest.mark.asyncio
+async def test_executor_generates_call_without_http_request():
+    registry = ToolRegistry(
+        [
+            ToolDefinition(
+                name="update_reservation",
+                description="Update reservation",
+                method="PATCH",
+                path="/reservations/{reservation_id}",
+                path_params=["reservation_id"],
+                schema={"type": "object", "properties": {"reservation_id": {"type": "string"}, "status": {"type": "string"}}},
+            )
+        ]
+    )
+    action = PendingAction(tool="update_reservation", status=ActionStatus.APPROVED, payload={"reservation_id": "abc", "status": "ACCEPTED"})
+
+    class FakeSession:
+        def add(self, _action):
+            return None
+
+        def commit(self):
+            return None
+
+        def refresh(self, _action):
+            return None
+
+    result = await ActionExecutor(registry).execute(FakeSession(), action)  # type: ignore[arg-type]
+
+    assert result.status == ActionStatus.APPROVED
+    assert result.execution_result["generated_only"] is True
+    assert result.execution_result["method"] == "PATCH"
+    assert result.execution_result["path"] == "/reservations/abc"
+    assert result.execution_result["json"] == {"status": "ACCEPTED"}