Exposes four read-only tools to Claude Code:
kiwi_query_corpus — parameterised SELECT against kiwi.db (200-row cap)
kiwi_count_fts — FTS5 MATCH hit count for keyword coverage audits
kiwi_sample_tags — tag frequency distribution by prefix
kiwi_browse_preview — first-page results from the live browse API
DB opened in SQLite URI read-only mode (mode=ro); any write statement is
rejected at the driver level. Configure via KIWI_DB_PATH and KIWI_API_URL
env vars (see module docstring for settings.json snippet).
