Testing Product

RULE 1 — ONE FILE AT A TIME. Never change more than one file per message. RULE 2 — SHOW BEFORE APPLYING. Always show the full before/after diff and wait for my "proceed" before writing to any file. RULE 3 — NO RESPONSE SHAPE CHANGES. Never change what a JSON response returns unless I explicitly say so. RULE 4 — NO BUSINESS LOGIC. Only change how data is fetched or structured — never change validation, calculations, pricing, or payment logic. RULE 5 — FLAG DON'T FIX. If you see a risk or are unsure about anything, flag it and stop. Do not make a judgment call. RULE 6 — PRESERVE ALL EXISTING IMPORTS. Never remove an import unless you are 100% certain it is no longer used after your change.