Fix Small Linting errors

[mirmirmirr]

This PR fixes the remaining errors preventing a build.

[Copilot]

Pull request overview

This PR aims to resolve build-blocking lint/typecheck issues by aligning path alias configuration and adjusting dialog usage in the header UI.

Changes:

• Updates TypeScript path alias configuration in tsconfig.app.json.
• Refactors ButtonTray dialogs to remove onConfirm props and handle confirmation via explicit buttons.
• Adds a new shared Dialog component wrapping @radix-ui/react-dialog.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 1 comment.

File	Description
tsconfig.app.json	Adjusts TS path alias mapping used during app compilation.
src/components/header/ButtonTray.tsx	Updates dialog invocations to match the new Dialog API (no onConfirm).
src/components/Dialog.tsx	Adds a reusable Radix-based dialog component with controlled/uncontrolled support.

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[Copilot]

tsconfig.app.json defines compilerOptions.paths but no compilerOptions.baseUrl. TypeScript requires baseUrl to be set when using paths, and because tsconfig.app.json does not extends the root tsconfig.json, the baseUrl from tsconfig.json will not apply during tsc -b. Add "baseUrl": "." here (or add an extends to inherit the root settings) to avoid TS5090/failed builds.

Suggested change

	/* Base URL */
	/* Base URL */
	"baseUrl": ".",