wip: 客服Agent + RAG + 画像收尾（基于 6516ccb）

tests/unit/model/test_knowledge_orm.py

@@ -0,0 +1,32 @@
+from app.model.knowledge import FaqSynonym, KnowledgeMeta
+
+
+def test_knowledge_meta_maps_baseline_table() -> None:
+    assert KnowledgeMeta.__tablename__ == "fin_knowledge_meta"
+    columns = {c.name for c in KnowledgeMeta.__table__.columns}
+    assert columns == {
+        "id", "knowledge_type", "title", "source_file", "minio_path",
+        "milvus_collection", "version", "effective_date", "expire_date",
+        "content_text", "tags", "reviewer_id", "review_status", "status",
+        "created_at", "updated_at",
+    }
+
+
+def test_knowledge_meta_milvus_collection_is_not_nullable() -> None:
+    column = KnowledgeMeta.__table__.columns["milvus_collection"]
+    assert column.nullable is False
+    assert column.type.length == 64
+
+
+def test_faq_synonym_maps_baseline_table() -> None:
+    assert FaqSynonym.__tablename__ == "agent_faq_synonym"
+    columns = {c.name for c in FaqSynonym.__table__.columns}
+    assert columns == {
+        "id", "knowledge_id", "phrase", "normalized_phrase", "phrase_hash",
+        "language_code", "source_type", "hit_count", "status", "created_by",
+        "reviewer_id", "reviewed_at", "created_at", "updated_at",
+    }
+
+
+def test_faq_synonym_created_by_is_not_nullable() -> None:
+    assert FaqSynonym.__table__.columns["created_by"].nullable is False