fix: stream key

[appflowy]

Feature Preview

---

PR Checklist

• My code adheres to AppFlowy's Conventions
• I've listed at least one issue that this PR fixes in the description above.
• I've added a test(s) to validate changes in this PR, or this PR only contains semantic changes.
• All existing tests are passing.

Summary by Sourcery

Introduce typed stream messages for AI error conditions and update chat streaming error handling to use them instead of raw string keys.

Enhancements:

• Add new StreamMessage variants for various AI error conditions and implement their Display formatting
• Refactor chat.rs error handling to send StreamMessage variants instead of hardcoded error strings

[sourcery-ai]

Reviewer's Guide

Refactors streaming error handling by introducing new StreamMessage enum variants for various AI and local AI limits/statuses and updating chat streaming logic to send these variants instead of raw string literals.

File-Level Changes

Change	Details	Files
Replaced hardcoded error string sends with serialized StreamMessage variants in chat streaming	Send StreamMessage::AIResponseLimitExceeded instead of "AI_RESPONSE_LIMIT" Send StreamMessage::AIImageResponseLimitExceeded instead of "AI_IMAGE_RESPONSE_LIMIT" Use StreamMessage::AIMaxRequired(err.msg) instead of formatted string Use StreamMessage::LocalAINotReady(err.msg) instead of formatted string Use StreamMessage::LocalAIDisabled(err.msg) instead of formatted string	frontend/rust-lib/flowy-ai/src/chat.rs
Extended StreamMessage enum with new variants for AI error and local AI status conditions and implemented their Display serialization	Added AIResponseLimitExceeded and AIImageResponseLimitExceeded variants Added AIMaxRequired, LocalAINotReady, and LocalAIDisabled variants Updated Display impl to format new variants	frontend/rust-lib/flowy-ai/src/stream_message.rs

---

Tips and commands

Interacting with Sourcery

• Trigger a new review: Comment @sourcery-ai review on the pull request.
• Continue discussions: Reply directly to Sourcery's review comments.
• Generate a GitHub issue from a review comment: Ask Sourcery to create an
  issue from a review comment by replying to it. You can also reply to a
  review comment with @sourcery-ai issue to create an issue from it.
• Generate a pull request title: Write @sourcery-ai anywhere in the pull
  request title to generate a title at any time. You can also comment
  @sourcery-ai title on the pull request to (re-)generate the title at any time.
• Generate a pull request summary: Write @sourcery-ai summary anywhere in
  the pull request body to generate a PR summary at any time exactly where you
  want it. You can also comment @sourcery-ai summary on the pull request to
  (re-)generate the summary at any time.
• Generate reviewer's guide: Comment @sourcery-ai guide on the pull
  request to (re-)generate the reviewer's guide at any time.
• Resolve all Sourcery comments: Comment @sourcery-ai resolve on the
  pull request to resolve all Sourcery comments. Useful if you've already
  addressed all the comments and don't want to see them anymore.
• Dismiss all Sourcery reviews: Comment @sourcery-ai dismiss on the pull
  request to dismiss all existing Sourcery reviews. Especially useful if you
  want to start fresh with a new review - don't forget to comment
  @sourcery-ai review to trigger a new review!

Customizing Your Experience

Access your dashboard to:

• Enable or disable review features such as the Sourcery-generated pull request
  summary, the reviewer's guide, and others.
• Change the review language.
• Add, remove or edit custom review instructions.
• Adjust other review settings.

Getting Help

• Contact our support team for questions or feedback.
• Visit our documentation for detailed guides and information.
• Keep in touch with the Sourcery team by following us on X/Twitter, LinkedIn or GitHub.

[richardshiue]

LGTM!

[sourcery-ai]

Hey @appflowy - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

---

Sourcery is free for open source - if you like our reviews please consider sharing them ✨

• X
• Mastodon
• LinkedIn
• Facebook

_{Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.}