v0.97.0

Changelog

• f7b717a Better codex status detection
• d7a666f Docs
• ff01412 feat(conversations): make plugin opt-in via feature flag (default off)
• 100685f feat(shell): help agents keep shell names aligned with current work
• 563189d feat(tasks): frame the tasks tab like every other plugin
• 7fe95c1 perf(git): make diff rendering cost independent of file size
• a6fc7b1 release: prepare v0.97.0 publication