fix: use correct URL scheme when SSL is configured

[Br1an67]

What

Fix the startup URL to use https:// when SSL certificates are configured, and make the frontend dev server URL configurable.

Closes #1766

Why

The startup message always shows http:// even when --ssl-cert and --ssl-key are provided. The frontend also hardcodes http://localhost:8000 for dev mode, preventing HTTPS development.

Changes

• backend/chainlit/server.py: Detect config.run.ssl_cert to choose https or http scheme in startup URL
• frontend/src/api/index.ts: Use VITE_API_URL env var (falling back to http://localhost:8000) for configurable dev server URL

Usage

# Backend
chainlit run app.py --ssl-cert cert.pem --ssl-key key.pem
# Now shows: Your app is available at https://localhost:8000

# Frontend dev with HTTPS backend
VITE_API_URL=https://localhost:8000 pnpm dev

Testing

Without SSL: behavior unchanged. With SSL: correct https:// URL displayed.

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Summary by cubic

Fixes the startup URL to use https when SSL certs are provided and makes the frontend dev API URL configurable. This enables HTTPS development and avoids misleading http links.

• Bug Fixes

  • Backend now picks http/https for the startup message based on ssl_cert.

• New Features

  • Frontend dev API URL configurable via VITE_API_URL (defaults to http://localhost:8000).

^{Written for commit 0793b5f. Summary will update on new commits.}

[cubic-dev-ai]

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