feat: SEO template library, discovery pipeline, and orchestrator enhancements

## SEO Template Library
- Add complete template library with 7 page types (state, city, category, brand, product, search, regeneration)
- Add Template Library tab in SEO Orchestrator with accordion-based editors
- Add template preview, validation, and variable injection engine
- Add API endpoints: /api/seo/templates, preview, validate, generate, regenerate

## Discovery Pipeline
- Add promotion.ts for discovery location validation and promotion
- Add discover-all-states.ts script for multi-state discovery
- Add promotion log migration (067)
- Enhance discovery routes and types

## Orchestrator & Admin
- Add crawl_enabled filter to stores page
- Add API permissions page
- Add job queue management
- Add price analytics routes
- Add markets and intelligence routes
- Enhance dashboard and worker monitoring

## Infrastructure
- Add migrations for worker definitions, SEO settings, field alignment
- Add canonical pipeline for scraper v2
- Update hydration and sync orchestrator
- Enhance multi-state query service

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

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

backend/src/scripts/run-discovery.ts

@@ -30,8 +30,8 @@ import {
   discoverState,
   getDiscoveryStats,
   seedKnownCities,
-  ARIZONA_CITIES,
 } from '../discovery';
+import { getCitiesForState } from '../discovery/location-discovery';
 
 // Parse command line arguments
 function parseArgs() {
@@ -204,16 +204,22 @@ async function main() {
           process.exit(1);
         }
 
-        let cities: any[] = [];
-        if (stateCode.toUpperCase() === 'AZ') {
-          cities = ARIZONA_CITIES;
-        } else {
-          console.error(`No predefined cities for state: ${stateCode}`);
-          console.error('Add cities to city-discovery.ts ARIZONA_CITIES array (or add new state arrays)');
+        // Dynamically fetch cities from Dutchie
+        console.log(`\nFetching cities for ${stateCode} from Dutchie...\n`);
+        const cityNames = await getCitiesForState(stateCode.toUpperCase());
+
+        if (cityNames.length === 0) {
+          console.error(`No cities found for state: ${stateCode}`);
           process.exit(1);
         }
 
-        console.log(`\nSeeding ${cities.length} cities for ${stateCode}...\n`);
+        const cities = cityNames.map(name => ({
+          name,
+          slug: name.toLowerCase().replace(/\s+/g, '-').replace(/[^a-z0-9-]/g, ''),
+          stateCode: stateCode.toUpperCase(),
+        }));
+
+        console.log(`Seeding ${cities.length} cities for ${stateCode}...\n`);
         const result = await seedKnownCities(pool, cities);
         console.log(`Created: ${result.created} new cities`);
         console.log(`Updated: ${result.updated} existing cities`);