style: Apply code formatting with go fmt

- Run 'make format' to ensure all Go code follows standard formatting
- Maintains consistent code style across the entire codebase
- No functional changes, only whitespace and formatting improvements

internal/database/optimization_test.go

@@ -221,13 +221,13 @@ func TestOptimizationManager_InvalidPath(t *testing.T) {
 func TestOptimizationStats_JSON(t *testing.T) {
 	stats := &OptimizationStats{
 		DatabaseSize:      1024000,
-		PageSize:         4096,
-		PageCount:        250,
-		UsedPages:        200,
-		FreePages:        50,
-		Efficiency:       80.0,
+		PageSize:          4096,
+		PageCount:         250,
+		UsedPages:         200,
+		FreePages:         50,
+		Efficiency:        80.0,
 		AutoVacuumEnabled: true,
-		LastVacuum:       time.Now(),
+		LastVacuum:        time.Now(),
 	}
 
 	// Test that all fields are accessible
@@ -286,9 +286,9 @@ func TestOptimizationManager_WithRealData(t *testing.T) {
 	}
 
 	// Compare efficiency
-	t.Logf("Optimization results: %.2f%% → %.2f%% efficiency", 
+	t.Logf("Optimization results: %.2f%% → %.2f%% efficiency",
 		statsBefore.Efficiency, statsAfter.Efficiency)
-	
+
 	// After optimization, we should have auto-vacuum enabled
 	if !statsAfter.AutoVacuumEnabled {
 		t.Error("Auto-vacuum should be enabled after optimization")
@@ -304,4 +304,4 @@ func TestOptimizationManager_WithRealData(t *testing.T) {
 	if count == 0 {
 		t.Error("Data lost during optimization")
 	}
-}
+}