DeepSeek Harness Plugin: Search and Read the Outline Knowledge Base in Conversations

`dsh-outline-auto` is a web plugin for DeepSeek Harness (DSH) designed to connect the Outline knowledge base with AI conversations. The plugin provides 13 tools supporting keyword search, full-text reading, local document saving, and document management (create, delete, and update operations require user approval). It includes security and fault-tolerance mechanisms such as read caching, retries for HTTP 429 errors, enforced HTTPS, and user credential isolation, meeting enterprise knowledge base integration requirements.