The-five-stooges/dsh-deepseek-usage

dsh-deepseek-usage

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A DSH web plugin that puts your DeepSeek account balance in the sidebar footer, above the Settings row, with a refresh button. Clicking the row opens a popover with the balance card, locally aggregated usage charts, a per-model breakdown table, and a link to platform.deepseek.com/usage.

Everything renders inside the shell's own theme tokens, so light and dark both work.

What it shows, and where the numbers come from

The usage side is deliberately labelled an estimate, and the panel states its scope, because DeepSeek publishes no usage API: api.deepseek.com exposes exactly one account endpoint (/user/balance), and the platform's own usage endpoints require a browser login token rather than an API key. The measurements behind that claim are in docs/usage-data-sources.md.

Two consequences worth knowing before you install it:

• The estimate only covers this machine's DSH session logs (all workspaces on this machine). Usage billed to the same account from another PC, the web UI, or any other tool is invisible here, so the figures can be lower than the platform's bill. This is stated on the panel itself. Measured example: a day whose session logs only began at 15:05 local estimated ¥5.02 against a ¥13.60 platform bill, while a fully-logged day estimated ¥30.55 against ¥31.28.
• Your API key never reaches the browser. The key is resolved per operation through the host's credential store and used only in an Authorization header to api.deepseek.com. The client bundle contains no key material and no upstream origin (asserted by tests/ui-row.test.mjs).

Install

dsh plugin add github:The-five-stooges/dsh-deepseek-usage

dsh plugin forwards to pnpm inside the profile directory and then reconciles dsh.profile.bundles, so the package is picked up because it declares dsh.bundle.

There is no build step: lib/client.js and lib/index.js are committed as generated artifacts, and the package declares no prepare script. A git-hosted install therefore needs no allowBuilds approval — pnpm's build-script gate has nothing to block.

Then restart the host process once (the host half is composed at startup) and reload the page.

A prebuilt tarball is attached to every release and can be used instead:

dsh plugin add https://github.com/The-five-stooges/dsh-deepseek-usage/releases/latest/download/dsh-deepseek-usage.tgz

Requires a DEEPSEEK_API_KEY in the harness credential store (or the launch environment). With no key the row renders an explicit "not configured" state instead of failing.

Optional config

- id: dsh-deepseek-usage
  config:
    timeoutMs: 10000   # upstream balance request timeout (default 10000)
    ttlMs: 60000       # successful-snapshot cache TTL (default 60000; force=1 bypasses)

HTTP surface

Both routes are served by the host half on the session's own origin:

tests/contract.test.mjs is the single source of truth for those shapes; changing a response means changing it.

Known limitations

• The usage estimate misses anything not routed through this machine's DSH session logs (see above) — this is the main reason it can differ from the platform bill.
• The plugin cannot embed platform.deepseek.com/usage: the page sends Content-Security-Policy: frame-ancestors 'none', so the popover links out instead.
• The bar chart shows an estimated cost derived from the published rate card; the platform's invoice remains authoritative.
• Engine floor: dsh >= 0.1.5-rc.1.

Development

See DEVELOPMENT.md for the architecture, the frozen internal contracts, how the browser bundle is composed from src/client/*.mjs, the verification documents, and how to run the suite (222 tests).

lib/       generated browser half + host entry
src/host/  balance reader, session-log ledger, routes, cordis plugin
src/client/ row, service, chart, modal — composed into lib/client.js
tests/     contract, host, and UI suites
tools/     the real-browser layout probe the UI suite drives
docs/      verification records and measured design notes

node --test                              # full suite
node scripts/compose-client.mjs --check  # is lib/client.js in sync with src/client?

License

MIT — see LICENSE. Not affiliated with DeepSeek.