sm 0.4.0

Changelog

• 2e0dde1 Merge pull request #2 from xuanji86/feat/agent-tabs
• b1a7856 feat(config): view key picks the startup view mode (list/tabs)
• 007148d feat(ui): clickable title tabs and a v-view help button
• ed15be0 feat(ui): listPane agent views — mixed list plus filtered claude/codex views
• 19d4d2d feat(ui): single-agent views drop tags/subheaders, tint by view, hint across views
• adf3391 feat(ui): tab-mode n starts the active view's agent directly
• 0e3399b feat(ui): v toggles list/tab modes; tab mode gets title tabs and view-tinted chrome
• 4b62040 fix(ui): address max-effort review — identity-anchored views, scoped tmux, themed meta
• 8d451d6 fix(ui): first list visit after tabs startup; title clamp; README kill-scope note
• 89ffc4b refactor(ui): /simplify pass — shared toggle/anchor/tmux-scope helpers
• dca6af0 release: v0.4.0 — selectable view modes (mixed list ⇄ per-agent Claude/Codex tabs)