feat: 重构 memory 系统，支持 user memory 和 work memory 分离

backend/tests/unit/database/test_automation_job_migration_contract.py

@@ -16,3 +16,18 @@ def test_memory_automation_job_trigger_exists_in_0004_migration() -> None:
     assert "'agent_type', 'memory'" in content
     assert "ux_automation_jobs_owner_memory_active" in content
     assert "input_template" in content
+
+
+def test_bootstrap_key_replaces_agent_type_unique_anchor() -> None:
+    migration = (
+        Path(__file__).resolve().parents[3]
+        / "alembic"
+        / "versions"
+        / "20260323_0003_bootstrap_job_key_and_unique_indexes.py"
+    )
+    content = migration.read_text(encoding="utf-8")
+
+    assert "bootstrap_key" in content
+    assert "ux_automation_jobs_owner_bootstrap_key_active" in content
+    assert "ux_memories_owner_memory_type" in content
+    assert "DROP INDEX IF EXISTS ux_automation_jobs_owner_memory_active" in content