NL-0 — Baseline State Capture

NL-1 — Core Method Operations (Additive State A)

NL-2 — Anchor Comment Insertion (Additive State B)

NL-3 — End-of-Class Content (Additive State C)

NL-4 — Console State Verification (No State Change)

T-A — Temporary Helper Lifecycle

T-B — Method Body Interior Edit

T-C — Different Method Interior Edit

T-D — End-of-Class Helper

T-E — Method Evolution Lifecycle

T-F — Atomic Multi-Edit

T-G — Path Normalization Test

T-H — Validation on Modified File

T-I — Failure Surface Testing

T-J — Idempotency on Modified File