dcdpr / jp / 25065990654

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fix(llm): Tolerate trailing punctuation in rate-limit retry delays (#581)

`parse_secs_token` stripped only a trailing comma but not other
sentence-ending punctuation. This caused the retry delay to be missed
when parsing real OpenAI in-stream rate-limit messages, which embed the
duration in prose and end it with a period, e.g.:

  "Please try again in 2.398s. Visit ..."

The fix strips any trailing sentence punctuation (`.`, `,`, `;`, `:`,
`)`, `!`, `?`) before stripping the unit suffix, so `"2.398s."` now
correctly parses to 3 seconds (ceil of 2.398).

Signed-off-by: Jean Mertz <git@jeanmertz.com>

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