Add Google Calendar integration via Supabase Edge Functions

- Create new create-google-meet-event edge function
- Use service account authentication (no OAuth needed)
- Add google_service_account_json field to platform_settings
- Add admin UI for service account JSON configuration
- Include test connection button in Integrasi tab
- Add comprehensive setup documentation
- Keep n8n workflows as alternative option

Features:
- Direct Google Calendar API integration
- JWT authentication with service account
- Auto-create Google Meet links
- No external dependencies needed
- Simple configuration via admin panel

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

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

test-n8n-webhook.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+
+# Test script to verify n8n webhook is being called correctly
+# This simulates what create-meet-link function does
+
+SUPABASE_URL="https://lovable.backoffice.biz.id"
+SERVICE_ROLE_KEY="eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJzdXBhYmFzZSIsImlhdCI6MTc2NjAzNzEyMCwiZXhwIjo0OTIxNzEwNzIwLCJyb2xlIjoic2VydmljZV9yb2xlIn0.t6D9VwaukYGq4c_VbW1bkd3ZkKgldpCKRR13nN14XXc"
+
+echo "🔍 Checking platform settings..."
+echo ""
+
+# Fetch current platform settings
+SETTINGS=$(curl -s "$SUPABASE_URL/rest/v1/platform_settings?select=integration_n8n_base_url,integration_n8n_test_mode" \
+  -H "Authorization: Bearer $SERVICE_ROLE_KEY" \
+  -H "apikey: $SERVICE_ROLE_KEY")
+
+echo "Current Settings:"
+echo "$SETTINGS" | jq '.'
+
+# Extract values
+BASE_URL=$(echo "$SETTINGS" | jq -r '.[0].integration_n8n_base_url')
+TEST_MODE=$(echo "$SETTINGS" | jq -r '.[0].integration_n8n_test_mode')
+
+echo ""
+echo "Base URL: $BASE_URL"
+echo "Test Mode: $TEST_MODE"
+
+# Construct webhook URL
+if [ "$TEST_MODE" = "true" ] || [ "$TEST_MODE" = "True" ]; then
+  WEBHOOK_PATH="/webhook-test/"
+else
+  WEBHOOK_PATH="/webhook/"
+fi
+
+WEBHOOK_URL="${BASE_URL}${WEBHOOK_PATH}create-meet"
+
+echo ""
+echo "📡 Webhook URL that will be called:"
+echo "$WEBHOOK_URL"
+echo ""
+
+# Test if webhook is reachable (without actually triggering)
+echo "🧪 Testing webhook reachability..."
+curl -s -o /dev/null -w "HTTP Status: %{http_code}\n" -X POST "$WEBHOOK_URL" \
+  -H "Content-Type: application/json" \
+  -d '{
+    "slot_id": "test-slot-123",
+    "date": "2025-12-23",
+    "start_time": "14:00:00",
+    "end_time": "15:00:00",
+    "client_name": "Test Client",
+    "client_email": "test@example.com",
+    "topic": "Test Topic",
+    "calendar_id": "test@example.com",
+    "brand_name": "Test Hub",
+    "test_mode": true
+  }' || echo "Webhook not reachable"
+
+echo ""
+echo "✅ Test complete!"