Files
coder/coderd
Cian Johnston ef2eb9f8d2 fix: strip invisible Unicode from prompt content (#23525)
- Add `SanitizePromptText` stripping ~24 invisible Unicode codepoints
and collapsing excessive newlines
- Apply at write and read paths for defense-in-depth
- Frontend: warn in both prompt textareas when invisible characters
detected
- Explicit codepoint list (not blanket `unicode.Cf`) to avoid breaking
flag emoji
- 34 Go tests + idempotency meta-test, 11 TS unit tests, 4 Storybook
stories

> This PR was created with the help of Coder Agents, and was reviewed by my human.
2026-03-25 14:09:24 +00:00
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