feat: 内置微信连接器并完善 Agent 查询能力

services/wechat-connector/ilink/auth_test.go

@@ -0,0 +1,36 @@
+package ilink
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestSaveCredentialsKeepsOnlyLatestAccount(t *testing.T) {
+	t.Setenv("HOME", t.TempDir())
+	old := &Credentials{ILinkBotID: "bot-old@im.bot", BotToken: "old-token"}
+	latest := &Credentials{ILinkBotID: "bot-new@im.bot", BotToken: "new-token"}
+	if err := SaveCredentials(old); err != nil {
+		t.Fatal(err)
+	}
+	dir, err := AccountsDir()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(dir, NormalizeAccountID(old.ILinkBotID)+".sync.json"), []byte(`{}`), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := SaveCredentials(latest); err != nil {
+		t.Fatal(err)
+	}
+	accounts, err := LoadAllCredentials()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(accounts) != 1 || accounts[0].ILinkBotID != latest.ILinkBotID {
+		t.Fatalf("accounts = %#v", accounts)
+	}
+	if _, err := os.Stat(filepath.Join(dir, NormalizeAccountID(old.ILinkBotID)+".sync.json")); !os.IsNotExist(err) {
+		t.Fatalf("old sync state still exists: %v", err)
+	}
+}