Squish v0.1.12

• Cost history by period, with comparisons, breakdowns and CSV export
• Prices update without an app update, from a signed catalog each release publishes
• Codex permission prompts answer from the notch; Gemini CLI shows as waiting
• A Compact button in the alert and the sessions list, with what compacting would cost

Full changelog: v0.1.11...v0.1.12