feat(pull-requests): copy provider checkout commands

[maria-rcks]

Adds a visible, one-click checkout command in the pull request branch metadata line while keeping the branch control dedicated to copying the branch name.

The command matches the pull request provider:

• GitHub: gh pr checkout <number>
• GitLab: glab mr checkout <number>
• Azure DevOps: az repos pr checkout --id <number>
• Bitbucket: clone the pull request's source branch into t3code-pr-<number>

Verified with the focused pull request suites (85 web and 31 server tests), targeted typechecks, lint, and the live web client. Built by gpt-5.6-sol in the Codex harness.

screenshots

the checkout command sits in the existing branch metadata line. clicking it copies the full command.

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Note

Low Risk
Additive UI and optional API field; Bitbucket commands are gated by regex validation and omit the button when inputs are invalid rather than surfacing unsafe shell text.

Overview
Adds a copyable checkout command under the branch row in the pull request detail panel, separate from copying the branch name alone.

pullRequestCheckoutCommand builds host-specific CLI text: gh pr checkout, glab mr checkout, az repos pr checkout --id, and for Bitbucket a git clone --single-branch into t3code-pr-<number>. Bitbucket needs the fork’s owner/repo, so the API path now parses source.repository.full_name, threads headRepositoryNameWithOwner through contracts, the Bitbucket provider, and PullRequestService.detail, and only emits a Bitbucket command when repo and branch pass shell-safe validation—otherwise the control is hidden.

Copy uses a dedicated clipboard hook with success/error toasts; unit tests cover decoding and per-provider command strings.

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Note

Add provider-specific checkout command copy button to pull-request detail panel

• Introduces pullRequestCheckoutCommand in pullRequestDetail.logic.ts to build CLI checkout commands for GitHub, GitLab, and Azure DevOps. Bitbucket requires a validated source repository owner/name and shell-safe head branch before generating a clone command; unknown providers return null.
• Adds a compact copy button with clipboard handling and toast feedback to PullRequestDetailPanel.tsx, shown only when a safe command can be derived.
• Propagates an optional nullable headRepositoryOwnerName field through the full stack: Bitbucket raw JSON decoding in bitbucketPullRequestJson.ts, the ProviderChangeRequest interface in PullRequestProvider.ts, the service factory in PullRequestService.ts, and the PullRequestDetail contract in pullRequest.ts.
• Risk: Bitbucket checkout commands are only generated when headRepositoryOwnerName matches the allowed repository pattern and the head branch matches a shell-safe argument pattern; invalid or incomplete inputs return null and no button is shown.

^{Macroscope summarized e677f92.}

[macroscopeapp]

Approvability

Verdict: Not approved

Macroscope's review found this PR not approvable — This PR adds a new provider-aware checkout-command copy control to the production pull-request detail UI and threads optional Bitbucket source-repository data through the server and contract layers. The implementation is contained and backward-compatible, but the automatically exposed user-facing capability warrants human review.

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Dismissing prior approval to re-evaluate 0e3c884

Dismissing prior approval to re-evaluate c207ed8

[cursor]

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

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