feat: Add v2 architecture with multi-state support and orchestrator services

Major additions:
- Multi-state expansion: states table, StateSelector, NationalDashboard, StateHeatmap, CrossStateCompare
- Orchestrator services: trace service, error taxonomy, retry manager, proxy rotator
- Discovery system: dutchie discovery service, geo validation, city seeding scripts
- Analytics infrastructure: analytics v2 routes, brand/pricing/stores intelligence pages
- Local development: setup-local.sh starts all 5 services (postgres, backend, cannaiq, findadispo, findagram)
- Migrations 037-056: crawler profiles, states, analytics indexes, worker metadata

Frontend pages added:
- Discovery, ChainsDashboard, IntelligenceBrands, IntelligencePricing, IntelligenceStores
- StateHeatmap, CrossStateCompare, SyncInfoPanel

Components added:
- StateSelector, OrchestratorTraceModal, WorkflowStepper

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/src/scripts/queue-intelligence.ts

@@ -17,7 +17,7 @@
  *   npx tsx src/scripts/queue-intelligence.ts --dry-run
  */
 
-import { pool } from '../db/migrate';
+import { pool } from '../db/pool';
 import { logger } from '../services/logger';
 import {
   detectMultiCategoryProviders,