Function subProjectAwareWorkspaceRoot

src/node/services/systemMessage.ts:323–330

* For sub-project workspaces, callers typically pass the execution path * (` / `) as `workspacePath`. Instruction loading * needs the workspace root instead — without it, the parent project's * AGENTS.md is missed entirely. For non-sub-project workspaces the execution

(
  metadata: WorkspaceMetadata,
  runtime: Runtime,
  workspacePath: string
)

 * that build a workspace path independent of `runtime.getWorkspacePath()`.
 */
function subProjectAwareWorkspaceRoot(
  metadata: WorkspaceMetadata,
  runtime: Runtime,
  workspacePath: string
): string {
  if (!metadata.subProjectPath?.trim()) return workspacePath;
  return resolveWorkspaceRootPath(metadata, runtime);
}

async function readMultiProjectContextInstructions(
  metadata: WorkspaceMetadata,