feat(observability): allow defining custom uncaught exception handler

[char0n]

The goal of this change is to provide a plug point to allow
custom observability mechanisms to handle uncaught exceptions.

[Copilot]

Pull Request Overview

This PR adds a plug point for a custom uncaught exception handler across the core system and exposes it in the React flavor.

• Inject getSystem into all wrapWithTryCatch calls and reducers to retrieve the handler at runtime
• Introduce uncaughtExceptionHandler in config defaults and type-cast mappings
• Expose uncaughtExceptionHandler prop in swagger-ui-react and document it

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/core/system.js	Pass getSystem into buildReducer, wrapWithTryCatch, etc.
src/core/config/type-cast/mappings.js	Add mapping for uncaughtExceptionHandler
src/core/config/defaults.js	Add default null for uncaughtExceptionHandler
flavors/swagger-ui-react/index.jsx	Expose and pass through uncaughtExceptionHandler prop
flavors/swagger-ui-react/README.md	Document new uncaughtExceptionHandler prop

Comments suppressed due to low confidence (1)

src/core/system.js:475

• Consider adding unit tests for wrapWithTryCatch to verify that when a custom uncaughtExceptionHandler is provided it is called correctly and fallback to console.error otherwise.

function wrapWithTryCatch(fn, getSystem, {