v3.4.0 — Fat-trim: shared hook regions, schema table, conductor diet
Conductor session injection -37% chars; stop-nudge tails -40% in all 5 languages; hook config plumbing deduplicated into hooks/_shared and synced via coalmine-shared marker regions (verify gates drift; hooks stay copy-one-file portable); 22-key config schema becomes one table shared by verify.mjs and configure.mjs (validation, CLI flags, and --help all generate from it); gate suite 25 tests. Full details in CHANGELOG.md.