feat(code): add linked branch db model#1594
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jonathanlab
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Apr 10, 2026
adboio
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## Problem we want task isolation, but we can only do so much with local tasks, since they are simply not in an isolated environment downstack #1594 + #1595 add automatic branch linking to tasks, so when an agent touches a file, or an agent/human creates a branch from posthog code, we associate that branch to that task now, we need a way to keep the user in the loop on what's happening, and steer them in the right direction <!-- Who is this for and what problem does it solve? --> <!-- Closes #ISSUE_ID --> ## Changes adds a UI warning if you send a prompt in a task that has a linked branch, but that branch is not currently checked out details: - hooks into tiptap with a new `onBeforeSend`so prompt is never lost if you cancel - the warning is "blocking" in the sense that you have to make a decision. you can: - "continue anyway" -> ignore the warning, agent works in your current branch - automatic branch linking will still occur and maybe overwrite the current link, per the standard rules (see #1595 ) - "switch branch" - checks out the task's linked branch - warns if there are uncommitted changes on current branch. this does not block, and surfaces errors from the switch (if any) in the dialog <!-- What did you change and why? --> <!-- If there are frontend changes, include screenshots. --> ## How did you test this? manually <!-- Describe what you tested -- manual steps, automated tests, or both. --> <!-- If you're an agent, only list tests you actually ran. -->
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Problem
there is no persistent store that says "this task belongs to this branch"
this makes it very difficult to build a good UX around the end-of-task workflow
Changes
adds infra for a new
linkedBranchfield on the workspace modelno behavior changes in this PR, just setting things up
How did you test this?
manually (upstack)