fix(national): Show all states count, not filtered "active" states

The "Active States" metric was arbitrary and confusing. Changed to
show total states count - all states in the system regardless of
whether they have data or not.

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

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

backend/src/multi-state/state-query-service.ts

@@ -702,15 +702,10 @@ export class StateQueryService {
   async getNationalSummary(): Promise<NationalSummary> {
     const stateMetrics = await this.getAllStateMetrics();
 
-    // Active states = states with at least one dispensary that has products
+    // Get all states count and aggregate metrics
     const result = await this.pool.query(`
       SELECT
         COUNT(DISTINCT s.code) AS total_states,
-        COUNT(DISTINCT CASE WHEN EXISTS (
-          SELECT 1 FROM dispensaries d
-          JOIN store_products sp ON sp.dispensary_id = d.id
-          WHERE d.state = s.code
-        ) THEN s.code END) AS active_states,
         (SELECT COUNT(*) FROM dispensaries WHERE state IS NOT NULL) AS total_stores,
         (SELECT COUNT(*) FROM store_products sp
          JOIN dispensaries d ON sp.dispensary_id = d.id
@@ -728,7 +723,7 @@ export class StateQueryService {
 
     return {
       totalStates: parseInt(data.total_states),
-      activeStates: parseInt(data.active_states),
+      activeStates: parseInt(data.total_states), // Same as totalStates - all states shown
       totalStores: parseInt(data.total_stores),
       totalProducts: parseInt(data.total_products),
       totalBrands: parseInt(data.total_brands),