{"example_only":true,"service":"competitor_change_monitor","note":"Illustrative output from synthetic product facts; paid results depend on supplied facts.","name":"Competitor Listing Change Monitor Spec","marketplace":"amazon_us","input_summary":{"competitor_label":"Example competitor bottle","listing_identifier":"B0EXAMPLE24","snapshot_window":["2026-07-01","2026-07-08"],"cadence":"weekly"},"output":{"publish_status":"draft_needs_review","changes":[{"field":"title","change_type":"changed","summary":"Title text changed; normalized character count changed from 48 to 55."},{"field":"price_usd","change_type":"decreased","summary":"Observed price decreased from $24.99 to $22.99 (-8.0%).","numeric_delta":-2.0},{"field":"review_count","change_type":"increased","summary":"Observed review count increased from 1250 to 1278.","numeric_delta":28}],"unchanged_fields":["availability"],"next_planned_review":"2026-07-15","monitoring_spec":"Weekly field checks with explicit triggers; no live fetch or alert is performed","safety":"Only supplied snapshots are compared; no page, account, history, or cause is accessed or inferred, and no listing or price is changed."}}