Update memory with database and server info

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

memory/mac-context.md

@@ -35,6 +35,23 @@
 - **My WireGuard IP**: 10.10.0.14
 - **VPN Gateway**: 10.10.0.1
 - **Dev Server**: 10.10.0.11
+- **Biz Server**: biz.payfrit.com (prod)
+
+## Database
+- **Host**: 10.10.0.1 (VPN gateway)
+- **Prod DB**: payfrit
+- **Dev DB**: payfrit_dev
+- **User**: payfrit_app
+- **Tables**: Tasks, Orders, Businesses, Users, ServicePoints, etc.
+
+## Key Queries
+```sql
+-- Recent tasks for a business
+SELECT ID, BusinessID, Title, ClaimedByUserID, CompletedOn, CreatedOn
+FROM Tasks WHERE BusinessID=? ORDER BY CreatedOn DESC;
+
+-- Pending tasks (ClaimedByUserID=0 AND CompletedOn IS NULL)
+```
 
 ## Team (@mentions)
 - @ava - Design