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/migrations/051_worker_definitions.sql

@@ -0,0 +1,119 @@
+-- Migration 051: Worker Definitions
+-- Creates a dedicated workers table for named workers with roles and assignments
+
+-- Workers table - defines named workers with roles
+CREATE TABLE IF NOT EXISTS workers (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR(100) NOT NULL UNIQUE,
+  role VARCHAR(100) NOT NULL,
+  description TEXT,
+  enabled BOOLEAN DEFAULT TRUE,
+
+  -- Schedule configuration (for dedicated crawl workers)
+  schedule_type VARCHAR(50) DEFAULT 'interval', -- 'interval', 'cron', 'manual'
+  interval_minutes INTEGER DEFAULT 240,
+  cron_expression VARCHAR(100), -- e.g., '0 */4 * * *'
+  jitter_minutes INTEGER DEFAULT 30,
+
+  -- Assignment scope
+  assignment_type VARCHAR(50) DEFAULT 'all', -- 'all', 'state', 'dispensary', 'chain'
+  assigned_state_codes TEXT[], -- e.g., ['AZ', 'CA']
+  assigned_dispensary_ids INTEGER[],
+  assigned_chain_ids INTEGER[],
+
+  -- Job configuration
+  job_type VARCHAR(50) NOT NULL DEFAULT 'dutchie_product_crawl',
+  job_config JSONB DEFAULT '{}',
+  priority INTEGER DEFAULT 0,
+  max_concurrent INTEGER DEFAULT 1,
+
+  -- Status tracking
+  status VARCHAR(50) DEFAULT 'idle', -- 'idle', 'running', 'paused', 'error'
+  last_run_at TIMESTAMPTZ,
+  last_status VARCHAR(50),
+  last_error TEXT,
+  last_duration_ms INTEGER,
+  next_run_at TIMESTAMPTZ,
+  current_job_id INTEGER,
+
+  -- Metrics
+  total_runs INTEGER DEFAULT 0,
+  successful_runs INTEGER DEFAULT 0,
+  failed_runs INTEGER DEFAULT 0,
+  avg_duration_ms INTEGER,
+
+  created_at TIMESTAMPTZ DEFAULT NOW(),
+  updated_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+-- Worker run history
+CREATE TABLE IF NOT EXISTS worker_runs (
+  id SERIAL PRIMARY KEY,
+  worker_id INTEGER NOT NULL REFERENCES workers(id) ON DELETE CASCADE,
+  started_at TIMESTAMPTZ DEFAULT NOW(),
+  completed_at TIMESTAMPTZ,
+  status VARCHAR(50) DEFAULT 'running', -- 'running', 'success', 'error', 'cancelled'
+  duration_ms INTEGER,
+
+  -- What was processed
+  jobs_created INTEGER DEFAULT 0,
+  jobs_completed INTEGER DEFAULT 0,
+  jobs_failed INTEGER DEFAULT 0,
+  dispensaries_crawled INTEGER DEFAULT 0,
+  products_found INTEGER DEFAULT 0,
+
+  error_message TEXT,
+  metadata JSONB DEFAULT '{}',
+
+  created_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+-- Index for efficient lookups
+CREATE INDEX IF NOT EXISTS idx_workers_enabled ON workers(enabled) WHERE enabled = TRUE;
+CREATE INDEX IF NOT EXISTS idx_workers_next_run ON workers(next_run_at) WHERE enabled = TRUE;
+CREATE INDEX IF NOT EXISTS idx_workers_status ON workers(status);
+CREATE INDEX IF NOT EXISTS idx_worker_runs_worker_id ON worker_runs(worker_id);
+CREATE INDEX IF NOT EXISTS idx_worker_runs_started_at ON worker_runs(started_at DESC);
+
+-- Add worker_id to dispensary_crawl_jobs if not exists
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_name = 'dispensary_crawl_jobs' AND column_name = 'assigned_worker_id'
+  ) THEN
+    ALTER TABLE dispensary_crawl_jobs ADD COLUMN assigned_worker_id INTEGER REFERENCES workers(id);
+  END IF;
+END $$;
+
+-- Migrate existing job_schedules workers to new workers table
+INSERT INTO workers (name, role, description, enabled, interval_minutes, jitter_minutes, job_type, job_config, last_run_at, last_status, last_error, last_duration_ms, next_run_at)
+SELECT
+  worker_name,
+  worker_role,
+  description,
+  enabled,
+  base_interval_minutes,
+  jitter_minutes,
+  job_name,
+  job_config,
+  last_run_at,
+  last_status,
+  last_error_message,
+  last_duration_ms,
+  next_run_at
+FROM job_schedules
+WHERE worker_name IS NOT NULL
+ON CONFLICT (name) DO UPDATE SET
+  updated_at = NOW();
+
+-- Available worker roles (reference)
+COMMENT ON TABLE workers IS 'Named workers with specific roles and assignments. Roles include:
+- product_sync: Crawls products from dispensary menus
+- store_discovery: Discovers new dispensary locations
+- entry_point_finder: Detects menu providers and resolves platform IDs
+- analytics_refresh: Refreshes materialized views and analytics
+- price_monitor: Monitors price changes and triggers alerts
+- inventory_sync: Syncs inventory levels
+- image_processor: Downloads and processes product images
+- data_validator: Validates data integrity';