Ruling Q8 caps the unused scan at 20 candidates per call (not the
brief's 500/50), and each result (search and unused alike) is
filtered to attachments the current user may edit; overview.md lists
media-search as a direct tool (ruling Q2).
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
