- Add web module in src-tauri/src/extension/web/mod.rs
- Implement extension_web_fetch Tauri command using reqwest
- Add WebError variant to ExtensionError enum
- Update frontend handler to call Rust backend via Tauri IPC
- Web requests now run in native context without CORS restrictions
- Rename http.ts to web.ts handler
- Implement handleWebMethodAsync with haextension.web.fetch support
- Add base64 body encoding/decoding
- Add timeout support with AbortController
- Convert response headers and body to proper format
- Update message handler to route haextension.web.* methods
- Add TODO for permission checks
This enables extensions to make web requests through the host app,
bypassing iframe CORS restrictions.
