fix: Restore hydration and product_refresh for store updates

- Moved hydration module back from _deprecated (needed for product_refresh)
- Restored product_refresh handler for processing stored payloads
- Restored geolocation service for findadispo/findagram
- Stubbed system routes that depend on deprecated SyncOrchestrator
- Removed crawler-sandbox route (deprecated)
- Fixed all TypeScript compilation errors

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

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

backend/src/tasks/task-service.ts

@@ -24,13 +24,14 @@ async function tableExists(tableName: string): Promise<boolean> {
 
 // Per TASK_WORKFLOW_2024-12-10.md: Task roles
 // payload_fetch: Hits Dutchie API, saves raw payload to filesystem
-// product_refresh: Reads local payload, normalizes, upserts to DB
+// product_discovery: Main product crawl handler
+// product_refresh: Legacy role (deprecated but kept for compatibility)
 export type TaskRole =
   | 'store_discovery'
   | 'entry_point_discovery'
   | 'product_discovery'
-  | 'payload_fetch'      // NEW: Fetches from API, saves to disk
-  | 'product_refresh'    // CHANGED: Now reads from local payload
+  | 'payload_fetch'      // Fetches from API, saves to disk
+  | 'product_refresh'    // DEPRECATED: Use product_discovery instead
   | 'analytics_refresh'
   | 'whoami';            // Tests proxy + anti-detect connectivity