feat(web): add "New chat in this worktree" header button - #10
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Conversation
Surfaces an in-thread affordance to open a fresh chat pointed at the
current thread's worktree, reusing the existing git worktree instead of
provisioning a new one. Mirrors the sidebar's "New thread on {branch}"
action.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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What
Adds an in-thread affordance to open a fresh chat pointed at the same worktree as the current thread.
When a thread runs in a worktree, a new button (message-plus icon, tooltip "New chat in this worktree") appears in the chat header. Clicking it opens a new draft chat seeded with the current thread's
branch+worktreePathandenvMode: "worktree", reusing the existing git worktree instead of provisioning a new one. On plain current-checkout threads the button is hidden.Why
Multiple chats sharing one worktree was already supported by the data model (a chat is a thread; a worktree is just a
worktreePathfield) and already exposed via the sidebar's "New thread on {branch}" right-click action. This surfaces the same capability as a first-class button inside the open chat.Changes
apps/web/src/components/chat/ChatHeader.tsx— optionalonNewChatInWorktreeprop + header icon button, rendered only when provided.apps/web/src/components/ChatView.tsx—handleNewChatInWorktreewired to the existinghandleNewThread(...), passed only when the thread has a worktree.Reuses existing plumbing; worktree cleanup already guards against deleting a tree another chat still uses.
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