Function isWorktreeRuntime

src/common/types/runtime.ts:279–289

(
  config: RuntimeConfig | undefined
)

 * This includes both explicit "worktree" type AND legacy "local" with srcBaseDir.
 */
export function isWorktreeRuntime(
  config: RuntimeConfig | undefined
): config is
  | Extract<RuntimeConfig, { type: "worktree" }>
  | Extract<RuntimeConfig, { type: "local"; srcBaseDir: string }> {
  if (!config) return false;
  if (config.type === "worktree") return true;
  // Legacy: "local" with srcBaseDir is treated as worktree
  if (config.type === "local" && "srcBaseDir" in config && config.srcBaseDir) return true;
  return false;
}

/**
 * Type guard to check if a runtime config is project-dir local (no isolation)