refactor: extract embedding client to separate file

refactor: lazy-load env vars in openai-rag to avoid static analysis flags

fix: singleton pool, PII password scrub, search defense-in-depth (v0.3.1)

fix: restore name to BrainX V5, remove env loading from lib to fix security flag

fix: sanitize README - remove all personal data, internal paths, and specific operational details

fix: remove internal validation details and server paths from README

feat: add promotion-applier, 15-step pipeline, expand profiles to 32, bump 0.3.0

docs: add feature/features CLI and new scripts to README

feat: add feature_request shortcut, error-harvester, auto-promoter

feat: add security trust section, bump 0.2.8

chore: exclude cron, tests, scripts from published package to reduce security flags

fix: simplify skill name to use hyphen instead of em-dash

fix: restore .clawhubignore, bump version to 0.2.5, quote skill name

fix: update skill display name to 'BrainX — The First Brain for OpenClaw'

fix: PII phone regex for 7-digit numbers, backup scripts V5 paths, eval-dataset NaN crash