Tom Boucher 4395b2ecf9 fix: use BeforeTool hook event for Gemini CLI instead of PreToolUse ...

Gemini CLI uses BeforeTool (not PreToolUse) for pre-tool hooks, matching
the existing pattern where AfterTool is used instead of PostToolUse. The
prompt injection guard hook was hardcoded to PreToolUse, causing Gemini
CLI to log "Invalid hook event name: PreToolUse" on startup.

Apply the same runtime-conditional mapping used for post-tool hooks, and
update the uninstall cleanup to iterate both event names.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-21 14:08:32 -04:00

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