Method startLoopForPRD

internal/tui/app.go:726–767

startLoopForPRD starts the agent loop for a specific PRD.

(prdName string)

// startLoopForPRD starts the agent loop for a specific PRD.
func (a App) startLoopForPRD(prdName string) (tea.Model, tea.Cmd) {
	// Get the PRD directory
	prdDir := filepath.Join(a.baseDir, ".chief", "prds", prdName)

	if !git.IsGitRepo(a.baseDir) {
		return a.doStartLoop(prdName, prdDir)
	}

	branch, err := git.GetCurrentBranch(a.baseDir)
	if err != nil {
		return a.doStartLoop(prdName, prdDir)
	}

	worktreePath := git.WorktreePathForPRD(a.baseDir, prdName)
	relWorktreePath := fmt.Sprintf(".chief/worktrees/%s/", prdName)

	// Determine dialog context
	isProtected := git.IsProtectedBranch(branch)
	anotherRunningInSameDir := a.isAnotherPRDRunningInSameDir(prdName)

	if !isProtected && !anotherRunningInSameDir {
		// No conflicts: skip the dialog entirely and start the loop directly
		return a.doStartLoop(prdName, prdDir)
	}

	var dialogCtx DialogContext
	if isProtected {
		dialogCtx = DialogProtectedBranch
	} else {
		dialogCtx = DialogAnotherPRDRunning
	}

	// Show the dialog only for protected branch or another PRD running
	a.branchWarning.SetSize(a.width, a.height)
	a.branchWarning.SetContext(branch, prdName, relWorktreePath)
	a.branchWarning.SetDialogContext(dialogCtx)
	a.branchWarning.Reset()
	a.pendingStartPRD = prdName
	a.pendingWorktreePath = worktreePath
	a.viewMode = ViewBranchWarning
	return a, nil
}

// isAnotherPRDRunningInSameDir checks if another PRD is running in the project root (no worktree).
func (a *App) isAnotherPRDRunningInSameDir(prdName string) bool {