fix: add DB container startup retry and wire QueryBuilder offset()

The SQL Server CI test failures were caused by Docker container startup
flakiness (Step 5: "Start external DB"), not code issues. Add retry
logic (3 attempts with cleanup) for external DB container startup.

Also fix QueryBuilder.offset() which stored the value but never passed
it to finder args. Now uses Wheels internal $limit/$offset parameters
for precise row-range control across all database engines.

https://claude.ai/code/session_01TYLbmcU97RcvZUDdyUfS1t

Author: claude

.github/workflows/tests.yml

@@ -149,7 +149,26 @@ jobs:
 
       - name: Start external DB if needed (${{ matrix.dbengine }}) ...
         if: ${{ matrix.dbengine != 'h2' && matrix.dbengine != 'sqlite'}}
-        run: docker compose up -d ${{ matrix.dbengine }}
+        run: |
+          MAX_RETRIES=3
+          RETRY_COUNT=0
+          while [ "$RETRY_COUNT" -lt "$MAX_RETRIES" ]; do
+            RETRY_COUNT=$((RETRY_COUNT + 1))
+            echo "Attempt $RETRY_COUNT of $MAX_RETRIES: Starting ${{ matrix.dbengine }}..."
+            if docker compose up -d ${{ matrix.dbengine }}; then
+              echo "✅ ${{ matrix.dbengine }} container started successfully"
+              exit 0
+            else
+              echo "❌ Failed to start ${{ matrix.dbengine }} on attempt $RETRY_COUNT"
+              if [ "$RETRY_COUNT" -lt "$MAX_RETRIES" ]; then
+                echo "Cleaning up and retrying in 10 seconds..."
+                docker compose down ${{ matrix.dbengine }} 2>/dev/null || true
+                sleep 10
+              fi
+            fi
+          done
+          echo "Failed to start ${{ matrix.dbengine }} after $MAX_RETRIES attempts"
+          exit 1
 
       - name: Wait for containers to be ready
         run: |

vendor/wheels/model/query/QueryBuilder.cfc

@@ -269,8 +269,12 @@ component output="false" {
 			local.args.distinct = true;
 		}
 
-		// Apply LIMIT
-		if (variables.limitValue > 0) {
+		// Apply LIMIT and OFFSET
+		if (variables.offsetValue > 0 && variables.limitValue > 0) {
+			// Use internal limit/offset for precise row-range control (works on all DB engines)
+			local.args.$limit = variables.limitValue;
+			local.args.$offset = variables.offsetValue;
+		} else if (variables.limitValue > 0) {
 			local.args.maxRows = variables.limitValue;
 		}