Odds tab: add pitcher strikeout alt lines with Standard/Alt Lines/Both view toggle

Add DraftKings-first HR supplemental coverage

Complete multi-book HR source coverage

Improve multi-book props coverage reconciliation

Expand props with verdicts strikeouts and loader

Redesign HR props command center

Add Caesars to default player prop books

Add odds API coverage probe diagnostics

Fix props pregame HR routing and odds provider fallback

Props: multi-book concat-all, full pre-game model stack, pre-season statcast fallback

Add multi-book scrape fallback for HR props + restore Odds API market key

Tier 5A execution layer + Alpha Release tab + edge strip fix

Audit-confirmed fixes: matchup confidence blend + platoon unknown handling

Batch 14: HR props odds-injection layer + Props page

Update data/live_prop_odds.py

Create live_prop_odds.py