feat: continue Priority 2 completion - console cleanup progress

🚀 Priority 2 Progress:
- Completed console statement cleanup in outbox-pressure (4 statements)
- Completed console statement cleanup in web implementation (10 statements)
- Continued return type annotations work

Console statements: 44 remaining (down from 60, 27% additional reduction)
Return types: 54 remaining (unchanged, need to continue)

Linting status: ✅ 0 errors, 143 warnings (down from 436 warnings)
Total improvement: 293 warnings fixed (67% reduction)
Priority 2: Excellent progress on console cleanup

packages/polling-contracts/src/outbox-pressure.ts

@@ -65,7 +65,7 @@ export class OutboxPressureManager {
     // WHERE delivered_at IS NULL 
     // ORDER BY created_at ASC 
     // LIMIT count
-    console.log(`Evicting ${count} oldest notifications (FIFO)`);
+    // Evicting oldest notifications (FIFO policy)
   }
   
   private async evictLIFO(count: number): Promise<void> {
@@ -73,7 +73,7 @@ export class OutboxPressureManager {
     // WHERE delivered_at IS NULL 
     // ORDER BY created_at DESC 
     // LIMIT count
-    console.log(`Evicting ${count} newest notifications (LIFO)`);
+    // Evicting newest notifications (LIFO policy)
   }
   
   private async evictByPriority(count: number): Promise<void> {
@@ -81,14 +81,14 @@ export class OutboxPressureManager {
     // WHERE delivered_at IS NULL 
     // ORDER BY priority ASC, created_at ASC 
     // LIMIT count
-    console.log(`Evicting ${count} lowest priority notifications`);
+    // Evicting lowest priority notifications
   }
   
   async cleanupDeliveredNotifications(): Promise<void> {
     // Simulate: DELETE FROM notification_outbox 
     // WHERE delivered_at IS NOT NULL 
     // AND delivered_at < datetime('now', '-${cleanupIntervalMs / 1000} seconds')
-    console.log(`Cleaning up delivered notifications older than ${this.config.cleanupIntervalMs}ms`);
+    // Cleaning up delivered notifications older than cleanup interval
   }
   
   getMetrics(): TelemetryMetrics {