import type { GitBranch, ThreadId } from "@t3tools/contracts"; interface DeriveSyncedLocalBranchInput {  activeThreadId: ThreadId | undefined;  activeWorktreePath: string | null;  envMode: "local" | "worktree";  activeThreadBranch: string | null;  queryBranches: ReadonlyArray<GitBranch> | undefined;} export function deriveSyncedLocalBranch({  activeThreadId,  activeWorktreePath,  envMode,  activeThreadBranch,  queryBranches,}: DeriveSyncedLocalBranchInput): string | null {  if (!activeThreadId || activeWorktreePath || envMode !== "local") {    return null;  }   const currentBranch = queryBranches?.find((branch) => branch.current);  if (!currentBranch || currentBranch.name === activeThreadBranch) {    return null;  }   return currentBranch.name;}