@moon16u/dsh-plugin-current-time

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Inject the host's current date and time into agent context at the start of every turn.

Why

A model has no clock. It infers "today" from whatever the harness put in its context, which is fine for a short session and wrong for a long one — a conversation left open across midnight keeps reasoning from yesterday's date, and nothing in the transcript contradicts it.

This plugin puts one real wall-clock reading at the top of every turn, so relative reasoning ("due tomorrow", "that was three hours ago") has something true to anchor to.

Behavior

On the first step of each turn, the plugin appends one durable user-role message after the claimed prompt:

<system-reminder>当前时间：2026-08-22 周六 01:55:30（UTC+0800，Asia/Shanghai）。这是本轮开始时的真实时刻，每轮自动刷新；请以最近的一条为准，不要根据对话历史推断当前日期或时间。</system-reminder>

Three deliberate choices:

• Once per turn, not once per step. agent/pre-step also fires for every later step of a tool-call loop. Stamping those would bury the transcript in near-identical readings that tell the model nothing new.
• Appended, not prepended. The reading belongs after the prompt it describes, so the freshest timestamp is the last thing the model reads.
• Durable, so earlier stamps remain. DSH has no ephemeral message form, so each turn's reading stays in history. That keeps the injection append-only (friendly to prompt caching) and leaves an honest timeline, at the cost of one short message per turn. The reminder's closing sentence is what stops the model from reading a stale stamp as "now".

A rejected or empty first step is left untouched — there is no request for the reading to accompany.

Weekday and timezone

Weekday names are written into the plugin rather than read from a locale: DSH runs on hosts without zh_CN installed, where toLocaleDateString would silently fall back to English. The timezone label comes from Intl.DateTimeFormat().resolvedOptions().timeZone; on a host without full ICU data the reminder still carries the numeric UTC offset.

Install

Ships as part of the @moon16u/dsh-pouch bundle (recommended) — no separate installation step. The bundle's host entry mounts it automatically:

dsh plugin --profile web add @moon16u/dsh-pouch

Or install this plugin standalone:

dsh plugin --profile web add @moon16u/dsh-plugin-current-time

Either way, restart dsh web once after installing. No manual cordis.patch.yml edits needed — the package carries its own patch.

Test

node --test test/*.test.mjs