dsh-token-usage-dashboard — Codex-style token usage dashboard

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A Codex-style token usage dashboard for DeepSeek Harness (dsh) Web UI: 5 stat cards + a GitHub-style activity heatmap (daily / weekly) + insights + per-model usage ranking. The UI follows the DSH language setting: Chinese interface → Chinese dashboard, anything else → English.

✨ Features

• 5 stat cards: total tokens / peak tokens (single day) / longest chat / current streak / longest streak; auto-shrinking one-line values
• Heatmap: 53×7 rolling grid (today pinned to the bottom-right corner), hover for Aug 15, 2026: 273k tokens · 34 requests; Daily / Weekly view toggle (weekly = bottom-up 7-cell bars, hover for the week total)
• Insights: total turns, LLM requests, sessions, active days, cache hit rate, avg tokens & duration per turn
• Favorite models: provider/model token ranking (Top 5) with ratio bars
• Data source: session logs (assistant/message usage + request/header model attribution + turn/start/turn/end durations), live incremental updates, persisted snapshot + incremental sync for fast restarts

🏗️ Architecture

The plugin has two runnable forms that share the same aggregation logic:

• Bundle form (recommended for end users): installed via dsh plugin add; the npm package contains lib/index.js (host half) and lib/client.js (client half). The host half registers GET /api/token-stats and POST /api/token-stats/rescan through the web server; the client half registers a "Settings → Stats" section and fetches the API.
• Dynamic-plugin form (for maintainers/iteration): host.js and client.js are pasted into cordis_define for in-session deployment without restarting the profile.

Data flow:

1. Host subscribes to session/event / session/created and also performs an initial backfill over historical session logs.
2. It folds assistant/message.usage, request/header model attribution, and turn/start/turn/end durations into in-memory aggregates.
3. Aggregates are periodically flushed to ~/.dsh/storages/token-stats/snapshot.json; on restart the snapshot is loaded first, then only new events are incrementally folded.
4. The client polls GET /api/token-stats (2s while scanning, 30s after ready) and renders the dashboard.

🚀 Install (bundle)

dsh plugin --profile web add github:solstice621/dsh-token-usage-dashboard
dsh --profile web   # restart to apply

Then open Settings → Stats for the full dashboard. Local install: dsh plugin --profile web add file:/path/to/dsh-token-usage-dashboard.

On first open the plugin scans all historical sessions (seconds to a minute), then updates in real time via session/event; the dashboard auto-refreshes every 30s — no manual action needed.

🧑‍💻 Dynamic-plugin deployment (maintainers)

This repo also maintains a dynamic Cordis plugin (toksta-5, deployed in-session via cordis_define, handy for iterating without restarting the profile):

1. Verify contracts with cordis_inspect_list / cordis_inspect_query (sessionQuery, session/event, session/created, harness, React/host/styles builtins, settings.section, timer, locale);
2. cordis_define: plugin.kind: "new", idPrefix: "toksta", code.host = host.js, code.client = client.js;
3. cordis_run (mode=run/update) to activate.

⚠️ The bundle and the dynamic plugin register the same settings section id (token-stats); don't run both at once — stop one before enabling the other.

📁 Files

✅ Acceptance checklist

• [ ] Settings → Stats: 5 equal-width cards, one-line values, aligned labels
• [ ] 53-column heatmap, today at bottom-right, year-month-day hover tips; Daily/Weekly toggle works
• [ ] Month axis aligned to columns; no horizontal scrollbar
• [ ] Insights (7 rows) and Top-5 model ranking with bars correct
• [ ] New conversations show up within 30s
• [ ] Language switch (zh ↔ en) relabels the whole dashboard on the fly

🩺 Troubleshooting

📐 Known boundaries

• Only calls whose adapter reports usage are counted (skipped when assistant/message.usage is absent);
• Model attribution: assistant/message has no model field — usage is attributed to the session's latest request/header provider/model;
• Current streak counts to yesterday when today has no usage; interrupted (unclosed) turns add no duration;
• Title-generation calls (session/title-llm-request) are not counted.

🌐 Ecosystem

• ✅ Listed in dsh-plugin-marketplace: scanner-verified (verified, one-click install pinned to github:solstice621/dsh-token-usage-dashboard#<commit>, auto-refreshed every 2h);
• 🚀 awesome-deepseek-harness listing PR: #225 docs: add dsh-token-usage-dashboard (UI & Experience, bilingual entry).

📄 License

MIT