feat: Add Kiro editor support to open picker

[ashvinnihalani]

What Changed

• add Kiro to shared editor definitions and launch args
• surface Kiro in the web picker with icon
• cover command resolution and picker flow with tests

Why

Kiro is enterprise editor that has wide-spread adoption across the industry

UI Changes

Add the Kiro UI icon the the open drop down

Checklist

• This PR is small and focused
• [ X] I explained what changed and why
• I included before/after screenshots for any UI changes
• I included a video for animation/interaction changes

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Note

Low Risk
Low risk: adds a new editor option and a small arg-composition helper, with tests covering the new launch/selection paths.

Overview
Adds Kiro as a supported editor across contracts, server launch resolution, and the web “Open” picker.

The server now supports editor definitions with optional baseArgs and composes them into launch arguments (so Kiro runs as kiro ide ..., including --goto when applicable), and editor discovery/tests are updated to include Kiro on Windows PATH scans.

The web UI surfaces Kiro in the picker with a new KiroIcon, and a browser test asserts the menu item appears and triggers the expected shellOpenInEditor request.

^{Reviewed by Cursor Bugbot for commit 184953a. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Add Kiro editor support to the open picker

• Adds kiro as a recognized editor in packages/contracts/src/editor.ts with baseArgs: ['ide'] and launchStyle: 'goto'.
• Adds a KiroIcon SVG component and a 'Kiro' option to the open picker in apps/web/src/components/chat/OpenInPicker.tsx, shown when availableEditors includes 'kiro'.
• Introduces resolveEditorArgs in apps/server/src/open.ts to prepend baseArgs before target-specific args when launching command-based editors.
• Extends Windows PATH discovery to detect kiro.CMD as an available editor.

^{Macroscope summarized 184953a.}

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[ashvinnihalani]

[macroscopeapp]

Approvability

Verdict: Approved

Straightforward addition of a new editor (Kiro) to the existing open picker, following established patterns used by other editors. The changes are additive with comprehensive test coverage and no impact on existing behavior.

^{You can customize Macroscope's approvability policy. Learn more.}

[juliusmarminge]

Suggested change

	const baseArgs = "baseArgs" in editor ? editor.baseArgs : undefined;
	return [...(baseArgs ?? []), ...resolveCommandEditorArgs(editor, target)];
	const baseArgs = "baseArgs" in editor ? editor.baseArgs : [];
	return [...baseArgs, ...resolveCommandEditorArgs(editor, target)];