add CORS preflight example and bump deps

[ianmacartney]

Fixes #17

CORS Docs

Adds an OPTIONS route handler for /chat-stream to support CORS preflight requests. This allows browsers to make POST requests to the Convex deployment when the app is served from a different origin. The handler responds with appropriate Access-Control-* headers permitting POST requests with Content-Type, Digest, and Authorization headers, with a 24-hour preflight cache.

[ianmacartney]

• add CORS preflight example and bump deps #49 👈 (View in Graphite)
• main

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npm i https://pkg.pr.new/@convex-dev/persistent-text-streaming@49

commit: ff0cb31

[coderabbitai]

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📒 Files selected for processing (5)

• README.md
• eslint.config.js
• example/convex/messages.ts
• package.json
• src/component/lib.ts

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📝 Walkthrough

Walkthrough

This pull request addresses a CORS preflight issue by adding an OPTIONS route handler example to the README and updating the codebase to use explicit table names in Convex database operations. The README now documents how to properly respond to CORS preflight requests for the /chat-stream endpoint. Concurrently, the database operations in src/component/lib.ts and example/convex/messages.ts have been standardized to explicitly pass table names to ctx.db.get(), ctx.db.patch(), and ctx.db.delete() calls. Additionally, the ESLint configuration has been updated to include the Convex ESLint plugin and its recommended rules, with the corresponding package dependency added.

✨ Finishing Touches

📝 Generate docstrings

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🧪 Generate unit tests (beta)

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• Commit unit tests in branch issue-17

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