Alert & Ingestion Adapter Settings

Multi-user ROI thresholds, idempotent Discord/Telegram alert destinations, and Phase 1 → Phase 2 marketplace adapter controls.

Discord & Telegram Alert Routing

Deduplicated via alert_deliveries (`opportunity_id`, `user_id`, `channel`) so daily scans never double-ping.

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Default Arbitrage & ROI Hurdle Rates

Baseline underwriting assumptions applied when evaluating raw-to-slab and raw-to-raw opportunities.

Default Watchlist Target Tiers

Ingestion Phase Selection

ADR 0002

Phase 1 (phase1_api) uses CompSniper + Apify + eBay Browse up to ~1,000 tracked cards (~$135–$209/mo all-in). Switch EBAY_ADAPTER=phase2_playwright above 1,500 cards for self-hosted Chromium workers.

Gemini Two-Tier Vision Routing

Gate 04 & 06

Listing titles route through gemini-2.5-flash-lite first; only raw cards below Gate 5 buy ceilings invoke gemini-2.5-flash multimodal sub-grade analysis with SHA-256 photo deduplication.