feat: Multi-package support with same-directory file merging

cmd/scaf/config.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"github.com/rlch/scaf"
+)
+
+// loadConfigWithDir loads config and returns both the config and the directory it was found in.
+// Walks up from startDir to find .scaf.yaml.
+func loadConfigWithDir(startDir string) (*scaf.Config, string, error) {
+	dir := startDir
+	for {
+		cfg, err := scaf.LoadConfig(dir)
+		if err == nil {
+			return cfg, dir, nil
+		}
+
+		parent := filepath.Dir(dir)
+		if parent == dir {
+			// Reached root, no config found
+			return nil, startDir, fmt.Errorf("no .scaf.yaml found")
+		}
+		dir = parent
+	}
+}