dsh-tidewatch

Since DeepSeek introduced UTC-based peak/off-peak pricing in August 2026, layered with an all-day weekend off-peak rule and multiple repricing events, it has become hard to tell at a glance which tier is active, how long it lasts, and what a session is actually costing. dsh-tidewatch distills all of that into a small tide-gauge card that docks beside the composer: the current phase with a live countdown, the official windows mapped onto your local calendar (weekends collapse into a single all-day row), the per-million-token rates for the tier you are in, and a per-model token and cost breakdown for the session. Three historical price eras are built in, including the separate V4 Pro rates, so every call is billed against its own event timestamp and costs never drift across a phase switch. No API key, no network calls; the price tables ship inside the plugin.

The card speaks English, Simplified Chinese, and Russian, following the DeepSeek Harness language setting and switching instantly. Currency toggles between CNY (fixed 6.67 rate matching the official CNY price list) and USD with one click, and the choice is remembered. It reads --dsw-* theme variables for light and dark modes, uses tabular numerals in a monospace stack so figures line up like an instrument panel, and every interactive element is a real, focusable, ARIA-annotated button.

It is aimed at engineers who use DeepSeek Harness for day-to-day development and want to keep a finger on API spend, especially those outside UTC who need the peak/off-peak windows rendered on their own calendar day.