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Routes eight DSH lifecycle events through dedup, quiet hours and digest batching into seven channels. Severity maps to the fields Bark, ntfy, Telegram and webhooks actually support; failed deliveries retry with jittered backoff and survive a restart; per-channel circuit breakers stop hammering a dead endpoint; and a self-check reports a degraded relay instead of going silent.

DSH Web plugin: check and update DeepSeek Harness CLI and all profile plugins from Settings → General.

Adds a Check for Updates row in Settings and a right-sidebar card that update the DSH CLI and every profile plugin, with npm channel selection (auto/stable/next/alpha), minimum release age, backups, one-click rollback and a test reminder for the badge and browser notification.

Discover and run project tasks through Harness Jobs, inspect run receipts, and check project configuration with an Agent tool.

Tiered compaction hub: replaces the single 80% compaction cliff with a configurable ladder (default 30/50/70/90) whose tiers escalate from gentle to maximum consolidation laws, folds a deterministic keyword index into every checkpoint so facts accumulate across cycles, and summarizes through a model chain — primary plus up to 3 fallbacks, each with its own reasoning effort. Adds a Compaction module sub-tab and a Settings card; toggling off always restores stock compaction.

Contract check for DeepSeek Harness plugins: statically verifies that registered tools' output.render() returns ContentBlock[], and warns when a session event type falls outside the kernel vocabulary. Warn-only. 契约体检插件（不检测恶意）。

Manual model probe for DeepSeek Harness: a session-view tab where you pick provider, API type, model and route, then send one real raw HTTP request over openai-completions, openai-responses or anthropic-messages — streaming or not — and read latency, TTFT, HTTP status, token usage and a three-layer diagnosis chain (API request / model response / strict check) on one screen, with errors in plain language.

Local relationship-memory workbench with a confirmation gate: every AI write — extracted memories and newly created contacts alike — lands in a pending queue until the user confirms it in the GUI; materials are archived verbatim with quote-level provenance checks on AI extraction, and confirmed memories aggregate into per-contact timelines, gift occasions and reciprocity views. Ships a native relationship agent preset for conversation capture; JSON storage by default with an optional SQLite backend, zero production dependencies.

Session health check for DSH, read-only: scans the whole session library (totals, largest sessions, warnings for oversized sessions and event-count blowups) and deep-inspects a single session log (tail-balance / crash-tail check, tool-call/result pairing, event-type distribution).

Cross-version session migration for DSH: sweeps legacy session stores (v0 plaintext, .zstd and .zip exports), re-pins the header cwd to the target workspace and drops sessions in so the persistence layer upgrades them on open; settings sidebar with env/import/list/convert tabs plus a CLI (check / fix / import).

Create and configure Agent presets from a single settings section — persona prompt, a checked knowledge-base entry list injected into the system prompt, individual switches for four knowledge-base tools, per-Agent narrowing of MCP connections, and batch knowledge-base import.

Obsidian daily notes, tasks and Day Planner time blocks in the DSH sidebar: a Monday-first month grid with per-day word-count and task dots, a compact timeline for HH:mm time blocks, the selected day's diary excerpt and task list, and write-back of checkbox state, task text and times to the Markdown files; a first-run wizard detects the vault or accepts a path.

DeepSeek Harness skill plugin that reviews law theses (international economic law and other legal topics): reads a student Word .docx, checks it against a bundled common-issue checklist, applies definite fixes as tracked changes, and adds Word comments for overall/section problems and missing-basis issues, then emits a short objective overall review plus a fix list.

Keeps a redundant sandbox-escalation argument from failing a tool call. Escalating tools (pwsh, bash, write, edit) advertise the full sandbox_permissions enum, but DSH only accepts a level strictly wider than the one already in effect — a check its own source calls 'deliberately not a schema constraint'. A model that reflexively passes the argument therefore picks the level it is already at and the call dies before running with 'sandbox escalation to "workspace-write" is not strictly wider than this call's current "workspace-write" mode', costing some models a whole turn of retries. This plugin registers one tools/execute waterfall listener and, only on that documented rejection and only when the arguments really carried an escalation field, re-issues the identical call once without it. Safe by DSH's own documentation: the rejection precedes any execution ('nothing has run'), and the corrected call cannot match again, so the retry is loop-free. Reproduced and verified end to end — before: isError true, the command never ran; after: the command's real output, isError false, one tool/call and one tool/result. Zero dependencies.

DSH plugin for bounded agent evaluation: compare an original with candidate prompt or supported configuration changes against user-supplied checks, record evidence and costs, and leave adoption to the user.

A right-sidebar Git panel in the IDEA style — local changes with per-file checkbox commits, a commit tree with per-commit details, branch, remote and stash management, push with a credential fallback, all driven by the plain git CLI.

Ships a skill about handing work to subagents instead of doing it inline - which tasks are worth fanning out, how many to run at once, how to send them in parallel, and how to check what they returned instead of trusting the summary.

Agent screen capture on macOS and Windows: one tool captures the screen and returns the image itself, so the model sees it without a second call. On Windows a whole burst runs in one engine call; on macOS a resident helper drops a region capture to 13ms and a change check to 23ms. A second tool, macOS only, reports whether Screen Recording is granted and opens the settings pane that fixes it.

Read-only enhancer for a file-based long-term memory library (markdown cards in git): a memory_find search tool, a small budgeted memory digest injected into the system prompt, and a settings page with library overview, health-check status and toggles.

A draw.io editor as a .drawio file viewer in the DSH sidebar: diagrams are ordinary workspace files (new ones default to docs/diagrams/), edits autosave, and a file changed outside the editor is refused with a conflict bar instead of being overwritten; the editor is downloaded once from a pinned upstream release with a SHA-256 check and then runs fully offline.

Database connections and SQL for DeepSeek Harness: register data sources, browse and comment schemas, run AST-checked SQL with a per-source read-only toggle, and render bar, line and pie charts, from chat or the Settings page.

DeepSeek Harness skill: build, rebuild and refresh a course module's revision atlas — a mind map whose leaves are paged notebooks, extracted faithfully from the module's markdown with machine-checked coverage and a human-gated plan.

About panel and self-upgrade facade for DeepSeek Harness: version facts, channel-aware update checks, and a supervised source upgrade with restart, exposed to the Web Settings dialog over Typert Remote

DSH bundle that vendors the full mattpocock/skills tree, preserves upstream invocation policies, and applies an exact-match DSH semantic overlay checked during automatic upstream synchronization.