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>

.gitignore

@@ -0,0 +1,48 @@
+# Dependencies
+node_modules/
+
+# Build outputs (compiled JS, not source)
+backend/dist/
+cannaiq/dist/
+findadispo/build/
+findagram/build/
+frontend/dist/
+
+# Environment files (local secrets)
+.env
+.env.local
+.env.*.local
+backend/.env
+backend/.env.local
+
+# Database dumps and backups (large files)
+*.dump
+*.sql.backup
+backup_*.sql
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+npm-debug.log*
+
+# Local storage (runtime data, not source)
+backend/storage/
+
+# Vite cache
+**/node_modules/.vite/
+
+# Test coverage
+coverage/
+
+# Temporary files
+*.tmp
+*.temp