feat: added terminal docking to right

[atmikshetty]

What Changed

• Added a terminal dock toggle button next to the existing split terminal action in the thread terminal toolbar.
• Terminals can now be docked either:
  • below the chat view, or
  • on the right side of the chat view.
• Terminal dock position and right-dock width are persisted per thread.

Why

• The terminal could previously only be docked below the chat view, which limited layout flexibility and made it harder to use alongside the conversation in wider desktop layouts.
• The change fixes that by allowing the terminal to be docked to the right.
• Also, the dock state persists, so users won't have to manually do it every time they open the app.

UI Changes

Terminal Docked to the right:

Works when the app is minimised as well:

Redocking back to below the chat:

Small Video showing the full change:
https://github.com/user-attachments/assets/3a6f0f84-5040-4dd1-b139-7c2e94650050

Checklist

• This PR is small and focused
• 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

Medium Risk
Moderate UI/state changes: introduces persisted terminal dock/width with a storage migration and alters terminal resize/open behavior, which could regress layout or terminal sizing across existing users.

Overview
Adds a dock toggle to the thread terminal drawer so terminals can be displayed either below the chat view or docked to the right, including right-side resize handling and updated split-pane layout when docked right.

Persists the new per-thread terminalDock and terminalWidth in the terminal Zustand store (with a storage version bump + migration/normalization), updates ChatView to render right-docked drawers alongside the main content while keeping bottom-docked drawers below, and extends tests to cover dock/width behavior.

Additionally, the desktop electron-launcher now attempts to automatically run Electron’s install.js when require('electron') fails with the known “failed to install correctly” error, and package.json marks electron as a trusted dependency.

^{Reviewed by Cursor Bugbot for commit 4f328b1. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Add right-side docking to the terminal drawer

• Adds a dock toggle button to ThreadTerminalDrawer so users can switch the terminal between bottom and right-side docking.
• Introduces terminalDock and terminalWidth to ThreadTerminalState, persisted per thread and migrated from legacy snapshots. Closing the last terminal now preserves dock/size preferences.
• ChatView partitions mounted terminal drawers by dock position and renders right-docked terminals alongside the main layout, bottom-docked terminals below.
• Adds clampTerminalDockWidth and resolveTerminalSplitGridStyle helpers to constrain right-dock widths and switch split-terminal grid orientation based on dock side.
• Behavioral Change: selectThreadTerminalState now normalizes returned state, which may differ from raw persisted values for older stored states.

^{Macroscope summarized 4f328b1.}

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[macroscopeapp]

Approvability

Verdict: Needs human review

This PR adds a new user-facing feature (terminal docking to right side) with new state properties, storage migration logic, and UI layout changes. While well-tested and scoped to the terminal drawer area, new features introducing user-facing behavior warrant human review.

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[juliusmarminge]

probably wanna support vertical splits with this as well?

[atmikshetty]

Yes, that should be added as well. @juliusmarminge should I implement this?

[juliusmarminge]

Go for it!

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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^{Reviewed by Cursor Bugbot for commit ea5a7fd. Configure here.}