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12 tasks + 3 verification gates covering: - 5 migrations: extend projects, supplier_projects, pricing_tiers, lead_charges, supplier_sync_log - 4 new Eloquent models + factories + Pest unit tests - Project model extension with signal_type/sms_*/supplier_b1/b2/b3 relations - 3 signal validators (Domain, Phone, SmsSender) with edge-case datasets - SupplierProjectResolver service with B1+SMS guard - Comprehensive verification gate: Larastan + squawk + pgFormatter + cspell + markdownlint + cycle-check + code-review subagent Spec: docs/superpowers/specs/2026-05-10-supplier-integration-design.md §2, §7 cspell-words: +vashinvestor .gitleaks.toml allowlist: +test phones for validator datasets Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>