Replace toBeDefined/toBeTruthy guards with concrete shape assertions using toContainEqual(expect.objectContaining(...)) in diff-highlighter tests, and toMatch(/^script-draft-\d+$/) for the ID check in project-config-form tests.
Replace toBeDefined/toBeTruthy guards with concrete shape assertions using toContainEqual(expect.objectContaining(...)) in diff-highlighter tests, and toMatch(/^script-draft-\d+$/) for the ID check in project-config-form tests.