feat(cli): add apply subcommand

internal/cli/init_test.go

@@ -0,0 +1,51 @@
+package cli
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/lukaszraczylo/harness-sync/internal/adapter"
+	"github.com/lukaszraczylo/harness-sync/internal/canonical"
+)
+
+type importableAdapter struct {
+	res  *adapter.ImportResult
+	name string
+}
+
+func (i *importableAdapter) Name() string { return i.name }
+func (i *importableAdapter) Detect() bool { return true }
+func (i *importableAdapter) Render(_ *canonical.Bundle) (*adapter.FileSet, error) {
+	return adapter.NewFileSet(), nil
+}
+func (i *importableAdapter) Import(_ string) (*adapter.ImportResult, error) { return i.res, nil }
+
+func TestInitImportWritesCanonical(t *testing.T) {
+	root := t.TempDir()
+	home := t.TempDir()
+
+	reg := adapter.NewRegistry()
+	reg.Register(&importableAdapter{
+		name: "stub",
+		res: &adapter.ImportResult{
+			Skills:       []canonical.Skill{{Name: "hi", Body: "---\nname: hi\n---\nhi body", Path: "hi/SKILL.md"}},
+			Instructions: "# global",
+			MCP:          []canonical.MCPServer{{Name: "filepuff", Command: "/bin/x"}},
+		},
+	})
+
+	cmd := NewInit(reg)
+	cmd.SetArgs([]string{"--root", root, "--home", home, "--from", "stub", "--no-prompt"})
+	require.NoError(t, cmd.Execute())
+
+	assert.FileExists(t, filepath.Join(root, "config.yaml"))
+	assert.FileExists(t, filepath.Join(root, "instructions", "global.md"))
+	assert.FileExists(t, filepath.Join(root, "mcp.yaml"))
+	assert.FileExists(t, filepath.Join(root, "skills", "hi", "SKILL.md"))
+	_, err := os.Stat(filepath.Join(root, ".git"))
+	require.NoError(t, err)
+}