feat(app): wire workspace module + integration test for ws closed loop

internal/config/config_test.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/require"
 )
@@ -50,6 +51,20 @@ func TestLoad_MasterKeyNotHex(t *testing.T) {
 	require.Contains(t, err.Error(), "invalid hex")
 }
 
+func TestLoad_WorkspaceDefaults(t *testing.T) {
+	// 验证 workspace.* 与 git.* 的默认值（含 string→time.Duration 自动解析）。
+	t.Setenv("APP_DB_DSN", "postgres://x")
+	t.Setenv("APP_MASTER_KEY", "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff")
+	cfg, err := Load("")
+	require.NoError(t, err)
+	require.Equal(t, "./data", cfg.Workspace.DataDir)
+	require.Equal(t, 30*time.Minute, cfg.Workspace.CloneTimeout)
+	require.Equal(t, 5*time.Minute, cfg.Workspace.FetchTimeout)
+	require.Equal(t, 5*time.Minute, cfg.Workspace.PushTimeout)
+	require.Equal(t, 60*time.Second, cfg.Workspace.OpsTimeout)
+	require.Equal(t, "git", cfg.Git.Binary)
+}
+
 func TestMasterKey_Redaction(t *testing.T) {
 	k := MasterKey([]byte{0x01, 0x02, 0x03})
 	require.Equal(t, "[REDACTED 32B]", k.String())