Honor explicit custom dataset contracts

fix: classify ad monetization before contract gate

feat: add ad monetization dataset scenario

Merge remote-tracking branch 'hf-test/main' into develop

fix: harden dataset and ThoughtSpot deployment recovery

merge: reconcile test branch before Baker Chart deploy

feat: add post-merger integration dataset generator

fix: repair thin retail contracts during quality runs

fix: clean apparel retail channel and pricing contracts

fix: require researched retail data contracts

fix: tighten dataset quality and TS import retries

fix: enforce demo-safe data and liveboard layout

fix: improve specialized dataset dimensions

fix: improve dataset routing and cpg finance

fix: improve deployment diagnostics and domain datasets

fix: improve dataset domain specificity

feat: add deployment notifications and tested demo updates

feat: add scenario contract extraction for dataset-first demos

feat: add dataset-first generation path