Use active worktree path for workspace saves

[juliusmarminge]

Summary

• Use the active thread worktree as the workspace root when available, falling back to the project CWD.
• Pass the resolved workspace root through ChatView for proposed-plan and markdown workspace actions.
• Add browser coverage to verify “Save to workspace” prompts against the active worktree path.

Testing

• Not run (PR content generation only).
• Added/updated browser test coverage in apps/web/src/components/ChatView.browser.tsx.

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Note

Medium Risk
Changes the workspace root used by proposed-plan/markdown actions to prefer a thread worktreePath, which can affect where files are saved/opened. Scope is small but touches user-facing file path resolution.

Overview
Resolves the effective workspaceRoot in ChatView to prefer the active thread’s worktreePath, falling back to the project CWD, and passes this through to timeline and PlanSidebar workspace actions.

Adds a browser test ensuring the proposed-plan “Save to workspace” flow prompts for a path relative to the thread worktree when one is set.

^{Reviewed by Cursor Bugbot for commit 8402aa7. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Use active thread's worktreePath as workspace root for saves

In ChatView.tsx, workspaceRoot passed to ChatTimeline and PlanSidebar now resolves to the active thread's worktreePath when set, falling back to the active project's cwd. This ensures the 'Save to workspace' prompt uses the correct path when a worktree is active.

^{Macroscope summarized 8402aa7.}

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[macroscopeapp]

Approvability

Verdict: Approved

This is a small, self-contained bug fix that changes workspace save operations to use the thread's worktree path when available, falling back to the project cwd. The change is 3 lines of production code with a comprehensive test, and the logic (simple fallback chain) is straightforward.

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