Fix trailing newline and format code

Makefile

@@ -5,7 +5,7 @@
 # Common check target that runs all static analysis
 check:
 	@echo "Running static analysis..."
-	@make -C app MISE_BIN=/home/vscode/.local/bin/mise check
+	@make -C app MISE_BIN=mise check
 
 # Precommit target for CI/pre-commit hooks
 precommit: check
@@ -24,4 +24,4 @@ test:
 
 # Format code
 format:
-	@make -C app format
+	@make -C app format