0.3.9

Feat/skill centric refactor (#3)

translated in-app notices from CN to EN @abien

feat(config): increase idle debounce timeout from 15s to 60s

docs(readme): simplify and update workflow description

feat(extraction): add toast when countdown is cancelled

fix(extraction): remove conditional check for countdown toast

feat(extraction): add toast notifications for extraction lifecycle

fix(commands): handle missing .opencode directory gracefully

test(extraction): add regression tests for IndexEntry location path

fix(extraction): update index location to point to modules/ path

test(extraction): add cancellation logic tests

fix(extraction): cancel pending extraction when user sends message

docs: update README with cleanup command and configuration

feat(status): add usage statistics to status command