fix(code): show unified PR badge for externally-created PRs

[richardsolomou]

Problem

The unified PR badge in the task header depends on workspace.linkedBranch being set. #1963 made the link reliable for PRs created through the in-app flow, but skills that run gh pr create via bash never go through GitService.createPr — so linkedBranch stays unset and the badge falls back to the old "View PR" button. The dropdown next to it also surfaces disabled Commit / Push entries even when there's nothing to commit or push, which is just noise.

This pattern is common: a /commit-and-pr skill that only shells out to git/gh, no in-app buttons involved.

Changes

• TaskActionsMenu: fall back to gitState.prUrl (already populated by getPrStatus against the current branch) when linkedBranch is unset, so the badge appears for any worktree whose current branch has a PR.
• TaskActionsMenu: when a PR exists, filter out disabled Commit / Push items from the adjacent dropdown so it only surfaces actions the user can actually take. The action list when there's no PR is unchanged — disabled feedback there is still useful.
• AgentService.detectAndAttachPrUrl: when a PR URL is detected in bash output, also emit AgentFileActivity so WorkspaceService.handleAgentFileActivity records the current feature branch as linkedBranch. Keeps the rest of the PR-aware UI (branch mismatch warning, diff source resolution) in sync without waiting for the next file edit.

Closes #1959

How did you test this?

• pnpm --filter code typecheck — clean.
• pnpm --filter code test — 1007 tests pass.
• pnpm lint — clean.
• Need a manual pass: in a local/worktree task with a PR created via a bash skill, confirm the unified badge appears (with PR number) and that the adjacent dropdown only lists actionable git items.

Publish to changelog?

no

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Created with PostHog Code

[greptile-apps]

Prompt To Fix All With AI

Fix the following 1 code review issue. Work through them one at a time, proposing concise fixes.

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### Issue 1 of 1
apps/code/src/renderer/features/git-interaction/components/TaskActionsMenu.tsx:101-107
**Hiding disabled actions may obscure actionable context**

When a PR exists, all disabled git actions (not just `view-pr`/`create-pr`) are now silently dropped from the dropdown. This means a disabled `sync` or `branch-here` entry — which normally carries a `disabledReason` tooltip — disappears entirely rather than appearing greyed-out with an explanation. A user who needs to know *why* sync is unavailable (e.g. network issue, diverged branch) gets no signal at all.

The existing `GitDropdownItem` already renders disabled items with a tooltip via `action.disabledReason`, so the infrastructure to surface context while keeping items disabled is in place. Keeping non-PR-specific items visible but disabled preserves that signal without cluttering the menu with truly-redundant entries like `commit` when there's nothing to commit.

_{Reviews (1): Last reviewed commit: "fix(code): show unified PR badge for ext..." | Re-trigger Greptile}