feat: add knowledge content search

ai_knowledge_base_v2/apps/backend/tests/test_knowledge_admin.py

@@ -11,14 +11,16 @@ from sqlalchemy.orm import Session
 from sqlalchemy.pool import StaticPool
 
 from app.api.admin_knowledge import delete_knowledge
-from app.api.admin_knowledge_lifecycle import batch_sync, batch_update_metadata, update_metadata
+from app.api.admin_knowledge_lifecycle import batch_sync, batch_update_metadata, content_search, update_metadata
 from app.models import Base
 from app.models.admin import Admin, Role
 from app.models.knowledge import (
     Knowledge,
     KnowledgeCard,
+    KnowledgeChunk,
     KnowledgeManifest,
     KnowledgePublishLog,
+    KnowledgeSection,
     KnowledgeSourceSnapshot,
     KnowledgeSyncJob,
     KnowledgeVersion,
@@ -268,3 +270,90 @@ def test_sync_validation_failure_keeps_current_version_active():
         assert item.current_version_id == previous_version_id
         assert current.status == "published"
         assert len(versions) == 1
+
+
+def test_content_search_finds_current_sections_cards_and_chunks():
+    with _database() as db:
+        item = _knowledge(db)
+        version_id = item.current_version_id
+        section = KnowledgeSection(
+            knowledge_id=item.id,
+            version_id=version_id,
+            section_key="S0098",
+            title="三十、练习一：静水流深静心",
+            content="选择舒适安全的姿势，觉察呼吸和身体，不适时立即停止。",
+            source_start=0,
+            source_end=40,
+            sort_order=1,
+            content_hash="section-hash",
+        )
+        db.add(section)
+        db.flush()
+        db.add_all([
+            KnowledgeChunk(
+                knowledge_id=item.id,
+                version_id=version_id,
+                section_id=section.id,
+                title=section.title,
+                content="静水流深静心需要选择舒适安全的姿势。",
+                normalized_text="静水流深静心 选择舒适安全的姿势",
+                keywords='["静水流深静心"]',
+                source_start=0,
+                source_end=20,
+                sort_order=1,
+                content_hash="chunk-hash",
+            ),
+            KnowledgeCard(
+                knowledge_id=item.id,
+                version_id=version_id,
+                section_id=section.id,
+                title=section.title,
+                summary="静水流深静心的摘要",
+                core_conclusion="回到身体觉察",
+                applicable_questions="静水流深静心怎么做",
+                inapplicable_questions="天气",
+                keywords='["静水流深静心"]',
+                risk_level="normal",
+                source_range="0-40",
+                content_hash="card-hash",
+                generation_rule_version="test-v1",
+                review_status="approved",
+            ),
+        ])
+        db.commit()
+
+        response = content_search("静水流深", includeClosed=True, page=1, pageSize=10, db=db, current_admin=_admin())
+
+        data = response["data"]
+        assert data["total"] == 3
+        assert {item["itemType"] for item in data["items"]} == {"section", "card", "chunk"}
+        assert data["items"][0]["sectionKey"] == "S0098"
+        assert data["items"][0]["hasChunks"] is True
+        assert data["items"][0]["canAgentUse"] is True
+        assert "静水流深" in data["items"][0]["snippet"]
+
+
+def test_content_search_can_exclude_closed_knowledge():
+    with _database() as db:
+        item = _knowledge(db)
+        item.status = 0
+        db.add(item)
+        db.add(KnowledgeSection(
+            knowledge_id=item.id,
+            version_id=item.current_version_id,
+            section_key="S0001",
+            title="合一作业",
+            content="合一作业内容",
+            source_start=0,
+            source_end=10,
+            sort_order=1,
+            content_hash="closed-section",
+        ))
+        db.commit()
+
+        included = content_search("合一", includeClosed=True, page=1, pageSize=10, db=db, current_admin=_admin())
+        excluded = content_search("合一", includeClosed=False, page=1, pageSize=10, db=db, current_admin=_admin())
+
+        assert included["data"]["total"] == 1
+        assert included["data"]["items"][0]["canAgentUse"] is False
+        assert excluded["data"]["total"] == 0