dsh-llm-wiki

简体中文

A workspace-scoped, local-first LLM Wiki plugin for DeepSeek Harness. It imports text from the active Harness workspace, builds a disposable local search index, and gives the main agent explicit tools to search and maintain sourced Wiki pages.

What it does

• Isolates data by the canonical realpath of exec.agent.session.header.cwd.
• Keeps Markdown and text files as the source of truth; the PGlite index can be deleted and rebuilt.
• Combines a deterministic 384-dimensional feature-hashing embedding, PostgreSQL full-text search, CJK substring fallback, and [[wikilink]] graph signals with reciprocal-rank fusion.
• Builds graph edges deterministically from Wiki links and same-page entity co-occurrence.
• Uses the main Harness agent for Wiki maintenance. It does not make hidden nested model calls, so model inputs and outputs remain in the normal session log.
• Prevents accidental replacement with read-before-write SHA-256 checks.

Requirements

• Node.js ^22.19.0 or >=24.0.0
• DeepSeek Harness 0.1.0-rc.6 or a compatible release
• pnpm 11

Install from GitHub

Install the plugin into a Harness profile:

dsh plugin --profile headless add github:wangning19940904/dsh-llm-wiki

The repository ships TypeScript source and uses prepare to produce dist/ during a GitHub install. pnpm blocks unreviewed dependency build scripts. If installation reports that the plugin build was ignored, review it and add this entry to the profile's pnpm-workspace.yaml before installing again:

allowBuilds:
  dsh-llm-wiki: true

The bundle patch mounts dsh-llm-wiki and defaults dataRoot to dshHomePath('llm-wiki').

Tool workflow

1. llm_wiki_search searches existing knowledge before the agent answers.
2. llm_wiki_import copies relative .md, .markdown, and .txt files from the current workspace into raw/docs.
3. llm_wiki_ingest updates the derived index. New or changed sources attach a logged maintenance notice for the agent.
4. The agent reads sources with llm_wiki_read and writes sourced pages under wiki/sources, wiki/entities, or wiki/concepts with llm_wiki_write.
5. llm_wiki_graph explores entities, mentioning pages, relations, and paths up to three hops.

Search results include plugin-relative paths, source line ranges, excerpts, the fused score, and each signal's contribution. A successful write is indexed immediately.

Data layout

Each canonical workspace gets a separate directory:

<dataRoot>/workspaces/<workspace-id>/
├── workspace.json
├── purpose.md
├── schema.md
├── raw/docs/
├── wiki/
│   ├── index.md
│   ├── log.md
│   ├── sources/
│   ├── entities/
│   └── concepts/
└── .index/

raw/docs and wiki are durable knowledge. .index only contains derived PGlite data and is safe to remove; the next full llm_wiki_ingest rebuilds it.

Configuration

The included patch supplies all defaults:

- insert:
    - id: llm-wiki
      name: dsh-llm-wiki
      config:
        dataRoot: !!js dshHomePath('llm-wiki')
        chunkSizeChars: 1600
        chunkOverlapChars: 200
        embeddingDimensions: 384
        importMaxFiles: 50
        importMaxBytesPerFile: 2000000
        readMaxBytes: 100000
        searchDefaultLimit: 8
        searchMaxLimit: 20
        rrfK: 60
        vectorWeight: 1
        keywordWeight: 1
        graphWeight: 0.6
        maintenanceBatchSize: 5

Invalid integer bounds, negative or non-finite weights, an overlap greater than or equal to the chunk size, and a default search limit greater than its maximum stop plugin activation.

Safety model

• Every tool requires an agent session cwd; otherwise it returns WIKI_WORKSPACE_REQUIRED.
• Imports reject absolute paths, traversal, directories, files resolved outside the workspace through symlinks, unsupported extensions, invalid UTF-8, NUL-containing binary data, and configured size/count overages.
• Reads are limited to raw/docs and wiki and bounded by readMaxBytes.
• Writes are limited to Markdown files under wiki. Creating a page needs no digest; replacing a page requires the latest digest returned by llm_wiki_read. Missing and stale observations return WIKI_NOT_OBSERVED and WIKI_STALE.
• Database handles close when the Cordis plugin is unloaded.

MVP limits

This release intentionally has no Web UI, MCP server, trace system, background model task, PDF/image conversion, standalone CLI, or npm publication. It supports local UTF-8 Markdown and text files only. Feature-hashing embeddings favor predictable offline behavior over semantic quality from a neural embedding model.

Development

pnpm install
pnpm lint
pnpm typecheck
pnpm test
pnpm build
pnpm pack
pnpm verify:package

verify:package packs the project, installs the tarball into a temporary Harness profile, and confirms that --dump-config contains the mounted plugin.

License

MIT