doc(ai): sync hugegraph-llm with main

[bitflicker64]

Syncs all five HugeGraph-LLM doc pages (en and cn) with apache/hugegraph-ai@main at version 1.7.0. Every change below traces to a file on main. Paths under hugegraph-llm/src/hugegraph_llm/ are abbreviated after the first use.

Page	Wrong	Changed to	Source
_index.md	"HugeGraph-ML is a path dependency rather than a workspace member" (omits vermeer)	Workspace members are hugegraph-llm and hugegraph-python-client; hugegraph-ml and vermeer-python-client are editable path deps	pyproject.toml:87-97
_index.md	No repo version stated	Repository version is 1.7.0	pyproject.toml:20
_index.md	"HugeGraph-ML and the Python clients: Python 3.10 or later"	HugeGraph-ML needs >=3.10; the HugeGraph and Vermeer Python clients need >=3.9	hugegraph-ml/pyproject.toml:32, hugegraph-python-client/pyproject.toml:27, vermeer-python-client/pyproject.toml:27
_index.md, hugegraph-llm.md	"HugeGraph Server 1.5 or later"	1.3 or later, 1.5 or later recommended	hugegraph-llm/README.md:22
_index.md	Only the llm and ml extras mentioned	Table of all extras: llm, ml, python-client, vermeer, dev, nk-llm, all, plus the module-level vectordb	pyproject.toml:37-54, hugegraph-llm/pyproject.toml:69-73
_index.md, hugegraph-llm.md	quick_start.md was not linked from anywhere on the site	Added workflow-guide links	hugegraph-llm/quick_start.md
hugegraph-llm.md	Python requirement stated loosely	>=3.10,<3.12 made explicit	hugegraph-llm/pyproject.toml:30
hugegraph-llm.md	No mention of the Compose .env bind mount	Documented the ${PROJECT_PATH}/hugegraph-llm/.env to /home/work/hugegraph-llm/.env mount and the optional resources mount	docker/docker-compose-network.yml:32-36
hugegraph-llm.md	No container-image section	Added hugegraph/rag (Dockerfile.llm) and hugegraph/rag-bin (Dockerfile.nk, Nuitka), ports, non-root user, volume, health check	docker/Dockerfile.llm:37-47, docker/Dockerfile.nk:17-49, hugegraph-llm/README.md:69-70
hugegraph-llm.md	No mention of the image build script	scripts/build_llm_image.sh builds and tags hugegraph/graphrag:1.7.0	scripts/build_llm_image.sh:21-29
hugegraph-llm.md	Helm chart never mentioned	New Kubernetes section: hugegraph/graphrag image, NodePort 8039 / service 8080 / target 8001, fixed name hg-llm-service, disabled ingress and HPA, config-map instructions, and the stale image.tag default v0.0.1	docker/charts/hg-llm/values.yaml:9-14,20,34-45,79-85,88-89,128-132
hugegraph-llm.md	HG_DEV_RELOAD undocumented	Documented as the uvicorn auto-reload switch	demo/rag_demo/app.py:208
hugegraph-llm.md, config-reference.md	.env path presented as fixed at hugegraph-llm/.env	Documented the three-step resolution order including HUGEGRAPH_LLM_ENV_PATH	config/models/base_config.py:28,41-50
hugegraph-llm.md, quick_start.md	Upload file types never stated	.txt, .docx, .pdf, multi-select; encrypted and OCR-less PDFs rejected	utils/vector_index_utils.py:33-56,66-81
hugegraph-llm.md, quick_start.md	Graph Schema Generator and Graph Extraction Prompt Generator missing	Both documented	demo/rag_demo/vector_graph_block.py:269-295,413-433
hugegraph-llm.md, quick_start.md	Graph Extraction Split Type control missing	Documented (document / paragraph / sentence)	demo/rag_demo/vector_graph_block.py:403-407
hugegraph-llm.md, quick_start.md	Batch back-testing panel missing	Documented .xlsx / .csv upload, Max Lines To Show, template download, downloadable answers	demo/rag_demo/rag_block.py:440-463
hugegraph-llm.md, quick_start.md	Text2Gremlin example-index build missing	.json / .csv pairs file, default resources/demo/text2gremlin.csv	demo/rag_demo/text2gremlin_block.py:90,107-110,247-249
hugegraph-llm.md, quick_start.md	"Graph Tools runs graph operations directly. Admin Tools provides functions such as log access."	Named the actual actions: Gremlin query, manual backup, beta demo-data init; admin log tail with 60s refresh, clear and refresh, insecure-token rejection	demo/rag_demo/other_block.py:31-50, demo/rag_demo/admin_block.py:73-107,131-146
hugegraph-llm.md, quick_start.md	Background jobs never mentioned	Daily 01:00 backup cron and the vid-embedding refresh task	demo/rag_demo/other_block.py:53-72
hugegraph-llm.md, config-reference.md	Vector backend selection had no config key	CUR_VECTOR_INDEX = Faiss / Milvus / Qdrant, default Faiss, also exposed in UI panel 5	config/index_config.py:36, utils/vector_index_utils.py:118-140, demo/rag_demo/configs_block.py:710-717
hugegraph-llm.md	No programmatic API documented	Added the SchedulerSingleton.schedule_flow example, all 13 flow names, and schedule_stream_flow	flows/scheduler.py:106,143,188-198, flows/__init__.py:21-34, hugegraph-llm/README.md:186-251
hugegraph-llm.md	Dev checks used ./style/code_format_and_analysis.sh (runs black, which is not in the dev extra) and bare pytest	Replaced with uv sync --extra llm --extra dev, uv run ruff format --check . and ruff check ., and the two SKIP_EXTERNAL_SERVICES=true pytest splits; added pre-commit	style/code_format_and_analysis.sh:44-56, pyproject.toml:42-51, hugegraph-llm/AGENTS.md:32,38-43, README.md:26-33
quick_start.md	Configuration panel not described	Added section 0 listing the five accordions and their apply behaviour	demo/rag_demo/configs_block.py:319,353,588,659,710
quick_start.md	"A value less than or equal to zero supplies no templates"	< 0 skips Text2Gremlin entirely and goes to the predefined traversal; 0 is zero-shot; > 0 uses templates, clamped to 0-10	nodes/hugegraph_node/graph_query_node.py:146-149,441-445, nodes/index_node/gremlin_example_index_query.py:41-47, demo/rag_demo/rag_block.py:306-309
quick_start.md	Load into GraphDB and Update Vid Embedding relationship unclear	Load into GraphDB (2) chains update_vid_embedding automatically	demo/rag_demo/vector_graph_block.py:521-523
quick_start.md	Text2Gremlin refer-example count and output fields missing	0-10 slider, default 2; four output fields (templated and raw Gremlin, and their executions)	demo/rag_demo/text2gremlin_block.py:264-283
quick_start.md, rest-api.md	Login described only as "the UI and APIs require USER_TOKEN"	Gradio basic auth uses the fixed user name rag with USER_TOKEN as the password; the API uses Bearer and returns 401 with WWW-Authenticate	demo/rag_demo/app.py:53-62,165-191
rest-api.md	No endpoint overview	Table of all 9 POST routes with their success status codes	api/rag_api.py:136,179,235,242,265,280,297, api/admin_api.py:53, api/graph_extract_api.py:67
rest-api.md	Empty-query behaviour undocumented	/rag, /rag/graph and /text2gremlin return 400 on an empty query; /rag/graph returns 400 on TypeError and 500 otherwise	api/rag_api.py:140-144,184-188,223-233,302-306,320-327
rest-api.md	graph_ratio, rerank_method, near_neighbor_first listed without defaults	Defaults 0.5, bleu, false added; prompt fields named individually	api/models/rag_requests.py:44-46,64-73
rest-api.md	/rag/graph response keys incomplete	Added query and graph_result_flag; noted that get_vertex_only swaps match_vids for full vertex details	api/rag_api.py:204-220
rest-api.md	/graph/extract fields example_prompt, extract_type, include_meta missing; no schema validation rules	Full request-field table plus the inline-schema validation rules	api/models/graph_extract_requests.py:34-104
rest-api.md	/graph/extract client_config shape unstated	Only graph, user, pwd, gs; extra fields forbidden; no url field	api/models/graph_extract_requests.py:25-31
rest-api.md	"A successful response always contains ... meta"	status is always succeeded; meta stays empty unless include_meta is true	api/models/graph_extract_responses.py:23-27, api/graph_extract_api.py:47-55
rest-api.md	/text2gremlin example_num default unstated	Default 0, clamped 0-10; missing prompt placeholders fail validation and are named	api/models/rag_requests.py:146,161-169, nodes/index_node/gremlin_example_index_query.py:41-45
rest-api.md	/config/graph field defaults unstated	user and pwd default to empty strings, gs is optional	api/models/rag_requests.py:30-35
rest-api.md	/config/llm scope unstated	It sets the chat, extract and text2gql types to the same value	api/rag_api.py:246-248
rest-api.md	Config endpoints described without status codes or rollback behaviour	All four return 201; llm, embedding and rerank roll back on exception, /config/graph does not	api/rag_api.py:235-295
rest-api.md	client_config override behaviour vague	Only fields present in the request are applied	api/rag_api.py:129-131
rest-api.md	/logs described only as "must be a file name under logs/"	Added the log_file default, the full rejection rules, the two distinct 403 paths, and that the response is a text/plain tail -f stream replaying the last 125 lines	api/admin_api.py:30-49,55-70, api/models/rag_requests.py:131-133, demo/rag_demo/admin_block.py:28-42
config-reference.md	generate --update behaviour unstated	--update defaults to true; writes HugeGraph, admin, LLM and index settings plus the prompt YAML; prompts before overwriting an existing .env	config/generate.py:31-38, config/models/base_config.py:63-82
config-reference.md	Loading semantics unstated	Unknown keys ignored, empty values fall back to defaults, keys case-insensitive	config/models/base_config.py:56-61
config-reference.md	Config-definition list omitted the index and base config	Added config/index_config.py and config/models/base_config.py	config/index_config.py, config/models/base_config.py