Add githubPullRequests.createInBrowser setting to open PR creation in browser

[Copilot]

Add githubPullRequests.createInBrowser Setting

This PR adds a setting that changes the behavior of the existing "Create Pull Request" command to open GitHub in the browser instead of showing the create view.

Implementation

Setting (package.json):

• Added githubPullRequests.createInBrowser boolean setting (default: false)
• When true, the pr.create command opens GitHub in browser instead of showing the create view

Backend (src/view/reviewManager.ts):

• Modified createPullRequest() to check the setting using CREATE_IN_BROWSER constant
• Added openCreatePullRequestInBrowser() method that:
  • Gets current branch (or specified compareBranch)
  • Fetches pull request defaults to determine base branch
  • Constructs URL: {normalizedHost}/{owner}/{repo}/compare/{base}...{head}
  • Opens URL in browser
• Added clarifying comment about owner vs repository name source

Constants (src/common/settingKeys.ts):

• Added CREATE_IN_BROWSER constant

Changes

• Add githubPullRequests.createInBrowser setting
• Modify pr.create command to check setting and open browser when true
• Use same base branch logic as create view
• Use constant instead of hardcoded string
• Add clarifying comments
• Revert all create view related changes (UI button and related code)
• Compile, lint, and hygiene checks pass

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add a button that lets me create the PR in the browser</issue_title>
<issue_description>

I don't really like the look and feel and UX of the sidebar PR form. Can you just add a button that takes me to the web site?</issue_description>

Comments on the Issue (you are @copilot in this section)

@alexr00 We've refreshed the sidebar, maybe you find it easier to use now?

• Fixes Add a button that lets me create the PR in the browser #3105

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[alexr00]

@copilot no need to change the current create view. Just add a setting githubPullRequest.createInBrowser, which defaults to false. When set to true, the existing "create" command should open the browser with the appropriate PR URL for the current branch and correct base branch, using the same base branch logic that the "create" view does to pick the starting base branch.

[Copilot]

@copilot no need to change the current create view. Just add a setting githubPullRequest.createInBrowser, which defaults to false. When set to true, the existing "create" command should open the b...

Done in f60aad2.

I've changed the approach:

• Removed the UI button from the create view
• Added githubPullRequests.createInBrowser setting (defaults to false)
• When set to true, the existing pr.create command opens the browser with the appropriate PR URL
• Uses the same base branch logic as the create view to determine the starting base branch
• URL format: {host}/{owner}/{repo}/compare/{base}...{head}

[alexr00]

@copilot revert the create view related changes, we don't need them anymore.

[Copilot]

@copilot revert the create view related changes, we don't need them anymore.

Done in d72d7ab. Reverted all create view related changes:

• Removed openCreateInBrowser() method from createPRViewProvider.ts
• Removed message handler for pr.openCreateInBrowser
• Removed openCreateInBrowser() from createContextNew.ts
• Removed "Create in Browser" button from app.tsx

The PR now only contains the setting and the logic in reviewManager.ts that checks the setting when the pr.create command is invoked.