fix#763
/claim #763
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### Summary by CodeRabbit
- **Enhancement**: Improved the visibility management of the bot in the
popup. This update ensures a smoother and more intuitive user experience
when interacting with the bot.
- **Bug Fix**: Resolved an issue where certain styles could interfere
with the bot's visibility in the popup. The update prioritizes the
necessary style settings, ensuring the bot's visibility is maintained as
expected, regardless of other conflicting styles.
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BREAKING CHANGE: Stripe environment variables simplified. Check out the
new configs to adapt your existing system.
Closes#906
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### Summary by CodeRabbit
**New Features:**
- Introduced a usage-based billing system, providing more flexibility
and options for users.
- Integrated with Stripe for a smoother and more secure payment process.
- Enhanced the user interface with improvements to the billing,
workspace, and pricing pages for a more intuitive experience.
**Improvements:**
- Simplified the billing logic, removing additional chats and yearly
billing for a more streamlined user experience.
- Updated email notifications to keep users informed about their usage
and limits.
- Improved pricing and currency formatting for better clarity and
understanding.
**Testing:**
- Updated tests and specifications to ensure the reliability of new
features and improvements.
**Note:** These changes aim to provide a more flexible and user-friendly
billing system, with clearer pricing and improved notifications. Users
should find the new system more intuitive and easier to navigate.
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