fix(channel): add wechatoa webhook delivery and proxy config (#356)

Unify webhook handling across channel adapters and add the WeChat Official Account channel so inbound routing and replies work without platform-specific handlers. Add adapter-scoped proxy support and stable config field ordering so restricted network environments can deliver WeChat and Telegram messages reliably.

internal/server/server.go

@@ -81,7 +81,7 @@ func shouldSkipJWT(path string) bool {
 	if strings.HasPrefix(path, "/api/docs") {
 		return true
 	}
-	if strings.HasPrefix(path, "/channels/feishu/webhook/") {
+	if isPublicChannelWebhookPath(path) {
 		return true
 	}
 	if strings.HasPrefix(path, "/email/mailgun/webhook/") {
@@ -98,3 +98,12 @@ func shouldSkipJWT(path string) bool {
 	}
 	return false
 }
+
+func isPublicChannelWebhookPath(path string) bool {
+	if !strings.HasPrefix(path, "/channels/") {
+		return false
+	}
+	trimmed := strings.Trim(strings.TrimPrefix(path, "/channels/"), "/")
+	parts := strings.Split(trimmed, "/")
+	return len(parts) >= 3 && strings.TrimSpace(parts[0]) != "" && parts[1] == "webhook" && strings.TrimSpace(parts[2]) != ""
+}

internal/server/server_test.go

@@ -2,7 +2,7 @@ package server
 
 import "testing"
 
-func TestShouldSkipJWT_FeishuWebhookPaths(t *testing.T) {
+func TestShouldSkipJWT_ChannelWebhookPaths(t *testing.T) {
 	t.Parallel()
 
 	cases := []struct {
@@ -10,6 +10,7 @@ func TestShouldSkipJWT_FeishuWebhookPaths(t *testing.T) {
 		want bool
 	}{
 		{path: "/channels/feishu/webhook/cfg-1", want: true},
+		{path: "/channels/wechatoa/webhook/cfg-1", want: true},
 		{path: "/channels/feishu/webhook", want: false},
 		{path: "/api/channels/feishu/webhook", want: false},
 	}