Koji Kawamura — TILToday I Learned: short technical notes.https://kojikawamura.com/Claude Code defers most of its tool surface behind a searchhttps://kojikawamura.com/til/2026-04-30-claude-tool-search/https://kojikawamura.com/til/2026-04-30-claude-tool-search/Thu, 30 Apr 2026 00:00:00 GMTPagefind only works in a production build, not in devhttps://kojikawamura.com/til/2026-04-30-pagefind-search-prod/https://kojikawamura.com/til/2026-04-30-pagefind-search-prod/Thu, 30 Apr 2026 00:00:00 GMTAnthropic prompt cache has a 5-minute TTL by defaulthttps://kojikawamura.com/til/2026-04-30-prompt-cache-ttl/https://kojikawamura.com/til/2026-04-30-prompt-cache-ttl/Thu, 30 Apr 2026 00:00:00 GMT