feat: 增强知识库索引与设置页面模块化拆分

扩展知识库索引任务和 RAG 检索支持增量入库和文档去重，优
化本体检测和规则匹配精度，前端设置页面拆分为 LLM、邮件
和 Hermes 员工同步子面板并重构样式，新增日志详情组件和
知识入库日志模型，补充单元测试覆盖。

server/tests/test_knowledge_rag_service.py

@@ -1,6 +1,14 @@
 from __future__ import annotations
 
+import json
+import threading
+
 from app.services import knowledge_rag as knowledge_rag_module
+from app.services.knowledge_ingest_log import (
+    build_document_graph_summary,
+    build_ingest_document_summary,
+    build_ingest_status_summary,
+)
 from app.services.knowledge_rag import KnowledgeRagService
 
 
@@ -86,7 +94,10 @@ def test_build_hits_demotes_chapter_navigation_for_specific_rule_queries() -> No
             {
                 "chunk_id": "body-1",
                 "file_path": "/tmp/doc-1__费用制度.md",
-                "content": "附表3：支出归口管理部门与归口业务范围\n组织人事部：探亲差旅、条件艰苦及安全风险较高区域补助等支出。",
+                "content": (
+                    "附表3：支出归口管理部门与归口业务范围\n"
+                    "组织人事部：探亲差旅、条件艰苦及安全风险较高区域补助等支出。"
+                ),
             },
         ],
         entities=[],
@@ -100,9 +111,11 @@ def test_resolve_default_qdrant_url_prefers_container_host(monkeypatch) -> None:
     monkeypatch.setattr(
         knowledge_rag_module.socket,
         "getaddrinfo",
-        lambda hostname, port: [("family", "type", "proto", "canonname", ("172.21.0.2", 0))]
-        if hostname == "qdrant"
-        else [],
+        lambda hostname, port: (
+            [("family", "type", "proto", "canonname", ("172.21.0.2", 0))]
+            if hostname == "qdrant"
+            else []
+        ),
     )
 
     assert knowledge_rag_module._resolve_default_qdrant_url() == "http://qdrant:6333"
@@ -117,6 +130,45 @@ def test_resolve_default_qdrant_url_falls_back_to_loopback(monkeypatch) -> None:
     assert knowledge_rag_module._resolve_default_qdrant_url() == "http://127.0.0.1:6333"
 
 
+def test_runtime_cache_is_isolated_by_thread(monkeypatch) -> None:
+    knowledge_rag_module.shutdown_knowledge_rag_runtime()
+    created_runtimes = []
+
+    class FakeRuntime:
+        def __init__(self, **_kwargs):
+            self.finalized = False
+            created_runtimes.append(self)
+
+        def finalize(self):
+            self.finalized = True
+
+    monkeypatch.setattr(knowledge_rag_module, "_LightRagRuntime", FakeRuntime)
+    monkeypatch.setattr(
+        KnowledgeRagService,
+        "_build_runtime_signature",
+        lambda self: (("same-config",), {}),
+    )
+
+    service = KnowledgeRagService()
+    main_runtime = service._get_runtime()
+    assert service._get_runtime() is main_runtime
+
+    worker_runtimes = []
+
+    def load_worker_runtime() -> None:
+        worker_runtimes.append(KnowledgeRagService()._get_runtime())
+
+    thread = threading.Thread(target=load_worker_runtime)
+    thread.start()
+    thread.join(timeout=5)
+
+    assert len(created_runtimes) == 2
+    assert worker_runtimes[0] is not main_runtime
+
+    knowledge_rag_module.shutdown_knowledge_rag_runtime()
+    assert all(runtime.finalized for runtime in created_runtimes)
+
+
 def test_is_query_ready_status_rejects_failed_status_even_with_chunks() -> None:
     assert (
         KnowledgeRagService.is_query_ready_status(
@@ -141,3 +193,89 @@ def test_is_query_ready_status_rejects_processing_status_even_with_chunks() -> N
         )
         is False
     )
+
+
+def test_build_document_graph_summary_reads_lightrag_storage(tmp_path) -> None:
+    workspace = tmp_path / "knowledge" / ".lightrag" / "test_workspace"
+    workspace.mkdir(parents=True)
+    (workspace / "kv_store_full_entities.json").write_text(
+        json.dumps({"doc-1": {"entity_names": ["远光软件", "支出管理", "远光软件"]}}),
+        encoding="utf-8",
+    )
+    (workspace / "kv_store_full_relations.json").write_text(
+        json.dumps({"doc-1": {"relation_pairs": [["远光软件", "支出管理"]]}}),
+        encoding="utf-8",
+    )
+    (workspace / "kv_store_text_chunks.json").write_text(
+        json.dumps(
+            {
+                "chunk-2": {
+                    "_id": "chunk-2",
+                    "full_doc_id": "doc-1",
+                    "chunk_order_index": 1,
+                    "tokens": 45,
+                    "content": "第二条 支出审批需要结合预算、归口部门和授权标准执行。",
+                },
+                "chunk-1": {
+                    "_id": "chunk-1",
+                    "full_doc_id": "doc-1",
+                    "chunk_order_index": 0,
+                    "tokens": 31,
+                    "content": "第一条 本办法适用于公司支出管理。",
+                },
+            }
+        ),
+        encoding="utf-8",
+    )
+
+    summary = build_document_graph_summary(
+        tmp_path,
+        workspace="test_workspace",
+        document_id="doc-1",
+    )
+
+    assert summary["entity_count"] == 2
+    assert summary["entities"] == ["远光软件", "支出管理"]
+    assert summary["relation_count"] == 1
+    assert summary["relations"] == [{"source": "远光软件", "target": "支出管理", "type": "关联"}]
+    assert [item["id"] for item in summary["chunks"]] == ["chunk-1", "chunk-2"]
+
+
+def test_build_ingest_document_summary_extracts_sections() -> None:
+    summary = build_ingest_document_summary(
+        document_id="doc-1",
+        entry={
+            "original_name": "公司支出管理办法.pdf",
+            "folder": "制度文件",
+            "extension": "pdf",
+            "mime_type": "application/pdf",
+        },
+        raw_text="第一章 总则\n本办法用于规范公司支出。",
+        indexed_text="# 第一章 总则\n本办法用于规范公司支出。\n第二条 审批\n审批需按授权执行。",
+    )
+
+    assert summary["name"] == "公司支出管理办法.pdf"
+    assert summary["section_count"] == 2
+    assert summary["sections"][0]["title"] == "第一章 总则"
+
+
+def test_build_ingest_status_summary_keeps_chunk_status() -> None:
+    summary = build_ingest_status_summary(
+        status_payload={
+            "status": "processed",
+            "query_ready": True,
+            "chunks_count": 2,
+            "chunks_list": ["chunk-1", "chunk-2"],
+        },
+        graph_summary={
+            "entity_count": 1,
+            "relation_count": 0,
+            "entities": ["预算"],
+            "relations": [],
+        },
+    )
+
+    assert summary["lightrag_status"] == "processed"
+    assert summary["query_ready"] is True
+    assert summary["chunk_count"] == 2
+    assert summary["chunk_ids"] == ["chunk-1", "chunk-2"]