feat(config): add configuration management and default registry URL

chore(ci): update Go version to 1.22 in CI workflows

Author: javaquery

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.21'
+          go-version: '1.22'
           cache: true
 
       - name: Download dependencies
@@ -56,7 +56,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.21'
+          go-version: '1.22'
           cache: true
 
       - name: Run golangci-lint
@@ -79,7 +79,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.21'
+          go-version: '1.22'
           cache: true
 
       - name: Build

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.21'
+          go-version: '1.22'
           cache: true
 
       - name: Get version

internal/config/config.go

@@ -0,0 +1,50 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+)
+
+// Config holds the configuration for the SDK manager
+type Config struct {
+	ConfigDir   string
+	CacheDir    string
+	InstallDir  string
+	RegistryURL string
+}
+
+// New creates a new configuration with default values
+func New() (*Config, error) {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return nil, err
+	}
+
+	configDir := filepath.Join(homeDir, ".unosdk")
+	cacheDir := filepath.Join(configDir, "cache")
+	installDir := filepath.Join(configDir, "sdks")
+
+	return &Config{
+		ConfigDir:   configDir,
+		CacheDir:    cacheDir,
+		InstallDir:  installDir,
+		RegistryURL: DefaultRegistryURL,
+	}, nil
+}
+
+// EnsureDirectories creates necessary directories if they don't exist
+func (c *Config) EnsureDirectories() error {
+	dirs := []string{
+		c.ConfigDir,
+		c.CacheDir,
+		c.InstallDir,
+	}
+
+	for _, dir := range dirs {
+		if err := os.MkdirAll(dir, 0755); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

internal/config/defaults.go

@@ -0,0 +1,6 @@
+package config
+
+const (
+	// DefaultRegistryURL is the default registry URL for SDK metadata
+	DefaultRegistryURL = "https://api.github.com/repos/javaquery/unosdk-registry"
+)