v0.7.0

Changelog

• 51d75bd chore(release): rebuild embedded SPA
• 2a0306e feat(drawer): review tab + unified search primitive
• c770366 feat(overview): PC attention-weighted layout + viewport fill
• 0ac93dd feat(cli): tmux overview endpoint + git-diff review backend
• 56af0e3 feat(agentintel): overview live tail — per-agent chrome strip + wider cap