* feat(popup): show provider incidents as a compact pill

Replace the full-width inline message with a pill that hugs its text,
tinted with the same severity color as the header badge and panel dot.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

* fix(popup): announce the incident pill text once

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>