dsh-telegram-notify: Telegram Notification Plugin for DeepSeek Harness

dsh-telegram-notify is a Telegram notification plugin for DeepSeek Harness (DSH), designed to solve the problem of users needing to wait at the terminal during agent asynchronous execution. The plugin pushes key events to Telegram in real-time, including task completion, agent inquiries, tool approval requests, and status changes of long-term goals. Core features include notification noise reduction (triggering only for root sessions and debouncing for short runs) and flexible notification modes (concise mode reports only results, complex mode includes time taken, token consumption, and cache hit rate, with an optional toggle for displaying final output content). Configuration is supported via the DSH settings page or `cordis.patch.yml`, with priority order: settings page, profile configuration, environment variables, and defaults. Configuration requires filling in B...