Important

Adds a bar chart in CloudView to display usage stats, with API and UI updates for enhanced user interaction with the Cloud app.

• Behavior:
  • Adds a bar chart in CloudView to display usage stats when logged in.
  • Clicking the chart redirects to /usage in the Cloud app.
  • Clicking costs in the message feed redirects to CloudView.
  • Adds UTM parameters for tracking: utm_source=extension&utm_medium=stats_preview&utm_campaign=stats_preview.
• API:
  • Adds getUsagePreview() in CloudAPI.ts to fetch usage data.
  • Handles JSON parsing errors in CloudAPI.ts.
• UI Components:
  • Updates webviewMessageHandler.ts to handle getUsagePreview messages.
  • Adds UsagePreview component in CloudView.tsx.
  • Updates ChatRow.tsx to handle cost click events.
• Localization:
  • Updates multiple locale files to include new strings for usage preview and related messages.
• Utilities:
  • Adds formatCost() in format.ts for consistent cost formatting.

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