v0.6.2

Changelog

• efce81b chore(api,cli): disable team/project deletion until safe teardown exists
• aa67028 feat(billing): auto-recharge REST endpoints + aic billing auto-recharge CLI
• 7ffae5d feat(docs): Amplitude + PostHog dual instrumentation (service=runaic-docs)
• f6d1387 feat(mail): add --from sender filter; preserve filters across pages
• f61bafa feat: quota metering + billing usage/history (#37)
• 8102dd4 fix(cli): pagination footer — carry scope globals, positional args, =-form flags, quoted cursor