From 11f73ddf129706cfc800224eea01a809a528c54e Mon Sep 17 00:00:00 2001
From: Hyu <chenhyu@proton.me>
Date: Tue, 15 Sep 2026 15:05:34 +0800
Subject: [PATCH] fix(bots): highlight unsupported processor events and show
 overlap

---
 .../bot-form/PluginProcessorBindings.tsx      | 83 +++++++++----------
 .../event-patterns/event-pattern-groups.ts    | 28 +++++++
 web/src/i18n/locales/en-US.ts                 |  2 +-
 web/src/i18n/locales/es-ES.ts                 | 21 +++++
 web/src/i18n/locales/ja-JP.ts                 |  2 +-
 web/src/i18n/locales/ru-RU.ts                 | 21 +++++
 web/src/i18n/locales/th-TH.ts                 | 21 +++++
 web/src/i18n/locales/vi-VN.ts                 | 21 +++++
 web/src/i18n/locales/zh-Hans.ts               |  2 +-
 web/src/i18n/locales/zh-Hant.ts               | 21 +++++
 .../e2e/bot-processor-compatibility.spec.ts   | 53 ++++++++++--
 .../unit/event-pattern-coverage.test.mjs      | 58 ++++++++++++-
 12 files changed, 280 insertions(+), 53 deletions(-)

diff --git a/web/src/app/home/bots/components/bot-form/PluginProcessorBindings.tsx b/web/src/app/home/bots/components/bot-form/PluginProcessorBindings.tsx
index 23de2ab18..71a89c36b 100644
--- a/web/src/app/home/bots/components/bot-form/PluginProcessorBindings.tsx
+++ b/web/src/app/home/bots/components/bot-form/PluginProcessorBindings.tsx
@@ -19,8 +19,8 @@ import type {
 import { httpClient } from '@/app/infra/http';
 import { extractI18nObject } from '@/i18n/I18nProvider';
 import {
-  eventPatternCovers,
   eventPatternLabel,
+  processorEventCompatibility,
 } from '@/app/home/components/event-patterns/event-pattern-groups';
 import DynamicFormComponent from '@/app/home/components/dynamic-form/DynamicFormComponent';
 import { AuthenticatedPluginIcon } from '@/components/AuthenticatedPluginIcon';
@@ -45,7 +45,7 @@ import {
 } from '@/components/ui/dialog';
 import { Tabs, TabsList, TabsTrigger, TabsContent } from '@/components/ui/tabs';
 
-function EventCompatibilityWarning({
+function ProcessorEvents({
   patterns = [],
   supportedEvents,
 }: {
@@ -53,28 +53,45 @@ function EventCompatibilityWarning({
   supportedEvents: string[];
 }) {
   const { t } = useTranslation();
-  // Legacy adapters only emit message.received when no events are declared.
-  const supported = supportedEvents.length
-    ? supportedEvents
-    : ['message.received'];
-  const unsupported = [...new Set(patterns)].filter(
-    (pattern) => !supported.some((event) => eventPatternCovers(event, pattern)),
+  const { entries, matchingEvents } = processorEventCompatibility(
+    patterns,
+    supportedEvents,
   );
-  if (!unsupported.length) return null;
+  const incomplete = entries.some((entry) => !entry.supported);
 
   return (
-    <span
-      role="status"
-      className="mt-2 flex items-start gap-1.5 whitespace-normal text-xs text-amber-700 dark:text-amber-400"
-    >
-      <TriangleAlert className="mt-0.5 size-3.5 shrink-0" aria-hidden="true" />
-      <span>
-        {t('bots.pluginSubscriptions.incompleteEvents', {
-          events: unsupported
-            .map((pattern) => eventPatternLabel(pattern, t))
-            .join(' · '),
-        })}
+    <span className="block text-xs">
+      <span
+        role="list"
+        className="flex flex-wrap gap-x-2 gap-y-1 whitespace-normal"
+      >
+        {entries.map(({ pattern, supported }) => (
+          <span
+            role="listitem"
+            key={pattern}
+            title={pattern}
+            className={`inline-flex items-center gap-1 ${supported ? 'text-muted-foreground' : 'text-amber-700 dark:text-amber-400'}`}
+          >
+            {!supported && (
+              <TriangleAlert className="size-3.5 shrink-0" aria-hidden="true" />
+            )}
+            {eventPatternLabel(pattern, t)}
+          </span>
+        ))}
       </span>
+      {incomplete && (
+        <span
+          role="status"
+          className="mt-2 block whitespace-normal text-amber-700 dark:text-amber-400"
+        >
+          {t('bots.pluginSubscriptions.incompleteEvents', {
+            events:
+              matchingEvents
+                .map((pattern) => eventPatternLabel(pattern, t))
+                .join(' · ') || t('common.none'),
+          })}
+        </span>
+      )}
     </span>
   );
 }
@@ -225,17 +242,7 @@ export default function PluginProcessorBindings({
                 >
                   {agent?.component_ref?.replace('plugin:', '')}
                 </p>
-                <p
-                  className="truncate text-xs text-muted-foreground"
-                  title={(agent?.supported_event_patterns ?? [])
-                    .map((pattern) => eventPatternLabel(pattern, t))
-                    .join(' · ')}
-                >
-                  {(agent?.supported_event_patterns ?? [])
-                    .map((pattern) => eventPatternLabel(pattern, t))
-                    .join(' · ') || t('agents.eventProcessor.unavailable')}
-                </p>
-                <EventCompatibilityWarning
+                <ProcessorEvents
                   patterns={agent?.supported_event_patterns}
                   supportedEvents={supportedEvents}
                 />
@@ -374,12 +381,7 @@ export default function PluginProcessorBindings({
                       <span className="block truncate text-sm text-muted-foreground">
                         {agent.component_ref?.replace('plugin:', '')}
                       </span>
-                      <span className="block truncate text-xs text-muted-foreground">
-                        {(agent.supported_event_patterns ?? [])
-                          .map((pattern) => eventPatternLabel(pattern, t))
-                          .join(' · ')}
-                      </span>
-                      <EventCompatibilityWarning
+                      <ProcessorEvents
                         patterns={agent.supported_event_patterns}
                         supportedEvents={supportedEvents}
                       />
@@ -441,12 +443,7 @@ export default function PluginProcessorBindings({
                           <span className="block truncate text-sm text-muted-foreground">
                             {descriptor.plugin_author}/{descriptor.plugin_name}
                           </span>
-                          <span className="block truncate text-xs text-muted-foreground">
-                            {descriptor.supported_event_patterns
-                              .map((pattern) => eventPatternLabel(pattern, t))
-                              .join(' · ')}
-                          </span>
-                          <EventCompatibilityWarning
+                          <ProcessorEvents
                             patterns={descriptor.supported_event_patterns}
                             supportedEvents={supportedEvents}
                           />
diff --git a/web/src/app/home/components/event-patterns/event-pattern-groups.ts b/web/src/app/home/components/event-patterns/event-pattern-groups.ts
index 1780d1ef4..4a7bfcb61 100644
--- a/web/src/app/home/components/event-patterns/event-pattern-groups.ts
+++ b/web/src/app/home/components/event-patterns/event-pattern-groups.ts
@@ -12,6 +12,34 @@ export function eventPatternCovers(supported: string, required: string) {
   );
 }
 
+export function processorEventCompatibility(
+  patterns: string[],
+  supportedEvents: string[],
+) {
+  // Legacy adapters only emit message.received when no events are declared.
+  const supported = supportedEvents.length
+    ? supportedEvents
+    : ['message.received'];
+  const entries = [...new Set(patterns)]
+    .map((pattern) => ({
+      pattern,
+      supported: supported.some((event) => eventPatternCovers(event, pattern)),
+    }))
+    .sort((left, right) => Number(right.supported) - Number(left.supported));
+  const matchingEvents = [
+    ...new Set(
+      patterns.flatMap((pattern) =>
+        supported.flatMap((event) => {
+          if (eventPatternCovers(pattern, event)) return [event];
+          if (eventPatternCovers(event, pattern)) return [pattern];
+          return [];
+        }),
+      ),
+    ),
+  ];
+  return { entries, matchingEvents };
+}
+
 function eventPatternNamespace(pattern: string) {
   if (pattern === '*') return '*';
   return pattern.split('.')[0] || pattern;
diff --git a/web/src/i18n/locales/en-US.ts b/web/src/i18n/locales/en-US.ts
index 02b3601cd..bf43a47ab 100644
--- a/web/src/i18n/locales/en-US.ts
+++ b/web/src/i18n/locales/en-US.ts
@@ -357,7 +357,7 @@ const enUS = {
   bots: {
     pluginSubscriptions: {
       incompleteEvents:
-        'This bot cannot fully cover these subscribed events: {{events}}. The processor may work only partially; you can still select and bind it.',
+        'This bot only supports some of the subscribed events ({{events}}). The processor may not behave as intended in all cases.',
       description:
         'Automatically receive events declared by the plugin, independently of the routes above.',
       empty: 'No plugin processors are bound.',
diff --git a/web/src/i18n/locales/es-ES.ts b/web/src/i18n/locales/es-ES.ts
index d36774399..9e70cb6e3 100644
--- a/web/src/i18n/locales/es-ES.ts
+++ b/web/src/i18n/locales/es-ES.ts
@@ -363,7 +363,28 @@ const esES = {
       "Uses the Workspace owner's LangBot Account billing and credits.",
   },
   bots: {
+    eventWildcard: 'Todos los eventos',
+    eventNamespaceWildcard: '{{namespace}}.*',
+    eventNames: {
+      message_received: 'Mensaje recibido',
+      message_edited: 'Mensaje editado',
+      message_deleted: 'Mensaje eliminado',
+      message_reaction: 'Reacción a un mensaje',
+      feedback_received: 'Comentarios recibidos',
+      friend_request_received: 'Solicitud de amistad recibida',
+      friend_added: 'Amigo añadido',
+      group_member_joined: 'Miembro unido al grupo',
+      group_member_left: 'Miembro salió del grupo',
+      group_member_banned: 'Miembro bloqueado',
+      bot_invited_to_group: 'Bot invitado al grupo',
+      bot_removed_from_group: 'Bot eliminado del grupo',
+      bot_muted: 'Bot silenciado',
+      bot_unmuted: 'Bot ya no silenciado',
+      platform_specific: 'Evento específico de la plataforma',
+    },
     pluginSubscriptions: {
+      incompleteEvents:
+        'Este bot solo admite algunos de los eventos suscritos ({{events}}). El procesador podría no comportarse como se espera en todos los casos.',
       description:
         'Recibe automáticamente los eventos declarados por el plugin, de forma independiente de las rutas anteriores.',
       empty: 'No hay procesadores vinculados.',
diff --git a/web/src/i18n/locales/ja-JP.ts b/web/src/i18n/locales/ja-JP.ts
index 6d511d6ff..2db1fdacf 100644
--- a/web/src/i18n/locales/ja-JP.ts
+++ b/web/src/i18n/locales/ja-JP.ts
@@ -363,7 +363,7 @@ const jaJP = {
   bots: {
     pluginSubscriptions: {
       incompleteEvents:
-        'このボットは次の監視イベントに完全には対応していません：{{events}}。一部の機能が動作しない可能性がありますが、選択して登録できます。',
+        'このボットは監視対象の一部のイベント（{{events}}）にのみ対応しています。プロセッサーが完全には動作しない可能性があります。',
       description:
         'プラグインが宣言したイベントを自動で受信し、上のルートとは独立して実行します。',
       empty: 'プラグインプロセッサーは未登録です。',
diff --git a/web/src/i18n/locales/ru-RU.ts b/web/src/i18n/locales/ru-RU.ts
index 233ef98c2..69eb0ac43 100644
--- a/web/src/i18n/locales/ru-RU.ts
+++ b/web/src/i18n/locales/ru-RU.ts
@@ -360,7 +360,28 @@ const ruRU = {
       "Uses the Workspace owner's LangBot Account billing and credits.",
   },
   bots: {
+    eventWildcard: 'Все события',
+    eventNamespaceWildcard: '{{namespace}}.*',
+    eventNames: {
+      message_received: 'Получено сообщение',
+      message_edited: 'Сообщение изменено',
+      message_deleted: 'Сообщение удалено',
+      message_reaction: 'Реакция на сообщение',
+      feedback_received: 'Получен отзыв',
+      friend_request_received: 'Получен запрос в друзья',
+      friend_added: 'Друг добавлен',
+      group_member_joined: 'Участник вступил в группу',
+      group_member_left: 'Участник покинул группу',
+      group_member_banned: 'Участник заблокирован',
+      bot_invited_to_group: 'Бот приглашён в группу',
+      bot_removed_from_group: 'Бот удалён из группы',
+      bot_muted: 'Боту запрещено отправлять сообщения',
+      bot_unmuted: 'Боту разрешено отправлять сообщения',
+      platform_specific: 'Событие конкретной платформы',
+    },
     pluginSubscriptions: {
+      incompleteEvents:
+        'Этот бот поддерживает только часть отслеживаемых событий ({{events}}). Обработчик может работать не во всех случаях так, как ожидается.',
       description:
         'Автоматически получает события, объявленные плагином, независимо от маршрутов выше.',
       empty: 'Обработчики плагинов не привязаны.',
diff --git a/web/src/i18n/locales/th-TH.ts b/web/src/i18n/locales/th-TH.ts
index da7009b62..0ea1bc6f6 100644
--- a/web/src/i18n/locales/th-TH.ts
+++ b/web/src/i18n/locales/th-TH.ts
@@ -347,7 +347,28 @@ const thTH = {
       "Uses the Workspace owner's LangBot Account billing and credits.",
   },
   bots: {
+    eventWildcard: 'ทุกเหตุการณ์',
+    eventNamespaceWildcard: '{{namespace}}.*',
+    eventNames: {
+      message_received: 'ได้รับข้อความ',
+      message_edited: 'แก้ไขข้อความ',
+      message_deleted: 'ลบข้อความ',
+      message_reaction: 'การแสดงความรู้สึกต่อข้อความ',
+      feedback_received: 'ได้รับข้อเสนอแนะ',
+      friend_request_received: 'ได้รับคำขอเป็นเพื่อน',
+      friend_added: 'เพิ่มเพื่อน',
+      group_member_joined: 'สมาชิกเข้าร่วมกลุ่ม',
+      group_member_left: 'สมาชิกออกจากกลุ่ม',
+      group_member_banned: 'สมาชิกถูกแบน',
+      bot_invited_to_group: 'บอตได้รับเชิญเข้ากลุ่ม',
+      bot_removed_from_group: 'บอตถูกนำออกจากกลุ่ม',
+      bot_muted: 'บอตถูกปิดสิทธิ์ส่งข้อความ',
+      bot_unmuted: 'บอตได้รับสิทธิ์ส่งข้อความคืน',
+      platform_specific: 'เหตุการณ์เฉพาะแพลตฟอร์ม',
+    },
     pluginSubscriptions: {
+      incompleteEvents:
+        'บอตนี้รองรับเพียงบางเหตุการณ์ที่ตัวประมวลผลติดตาม ({{events}}) ตัวประมวลผลอาจทำงานได้ไม่ครบถ้วน',
       description:
         'รับเหตุการณ์ที่ปลั๊กอินประกาศไว้โดยอัตโนมัติ และทำงานแยกจากเส้นทางด้านบน',
       empty: 'ยังไม่ได้เชื่อมโยงตัวประมวลผลปลั๊กอิน',
diff --git a/web/src/i18n/locales/vi-VN.ts b/web/src/i18n/locales/vi-VN.ts
index 783a35bd4..41739f1ca 100644
--- a/web/src/i18n/locales/vi-VN.ts
+++ b/web/src/i18n/locales/vi-VN.ts
@@ -356,7 +356,28 @@ const viVN = {
       "Uses the Workspace owner's LangBot Account billing and credits.",
   },
   bots: {
+    eventWildcard: 'Tất cả sự kiện',
+    eventNamespaceWildcard: '{{namespace}}.*',
+    eventNames: {
+      message_received: 'Nhận tin nhắn',
+      message_edited: 'Tin nhắn được chỉnh sửa',
+      message_deleted: 'Tin nhắn bị xóa',
+      message_reaction: 'Cảm xúc cho tin nhắn',
+      feedback_received: 'Nhận phản hồi',
+      friend_request_received: 'Nhận lời mời kết bạn',
+      friend_added: 'Đã thêm bạn',
+      group_member_joined: 'Thành viên tham gia nhóm',
+      group_member_left: 'Thành viên rời nhóm',
+      group_member_banned: 'Thành viên bị cấm tham gia nhóm',
+      bot_invited_to_group: 'Bot được mời vào nhóm',
+      bot_removed_from_group: 'Bot bị xóa khỏi nhóm',
+      bot_muted: 'Bot bị cấm gửi tin nhắn',
+      bot_unmuted: 'Bot được phép gửi tin nhắn trở lại',
+      platform_specific: 'Sự kiện riêng của nền tảng',
+    },
     pluginSubscriptions: {
+      incompleteEvents:
+        'Bot hiện chỉ hỗ trợ một số sự kiện mà bộ xử lý theo dõi ({{events}}). Bộ xử lý có thể không hoạt động đầy đủ trong mọi trường hợp.',
       description:
         'Tự động nhận sự kiện do plugin khai báo, hoạt động độc lập với các tuyến ở trên.',
       empty: 'Chưa liên kết bộ xử lý plugin.',
diff --git a/web/src/i18n/locales/zh-Hans.ts b/web/src/i18n/locales/zh-Hans.ts
index 48c255590..1e9dff0bc 100644
--- a/web/src/i18n/locales/zh-Hans.ts
+++ b/web/src/i18n/locales/zh-Hans.ts
@@ -342,7 +342,7 @@ const zhHans = {
   bots: {
     pluginSubscriptions: {
       incompleteEvents:
-        '当前机器人无法完整支持以下监听事件：{{events}}。处理器的表现可能不完整。',
+        '当前机器人仅支持部分事件（{{events}}），处理器表现可能不完整。',
       description: '自动接收插件声明的事件，与上方事件路由独立执行。',
       empty: '尚未绑定插件处理器。',
       add: '添加插件处理器',
diff --git a/web/src/i18n/locales/zh-Hant.ts b/web/src/i18n/locales/zh-Hant.ts
index b9641cff3..482441363 100644
--- a/web/src/i18n/locales/zh-Hant.ts
+++ b/web/src/i18n/locales/zh-Hant.ts
@@ -336,7 +336,28 @@ const zhHant = {
       "Uses the Workspace owner's LangBot Account billing and credits.",
   },
   bots: {
+    eventWildcard: '全部事件',
+    eventNamespaceWildcard: '{{namespace}}.*',
+    eventNames: {
+      message_received: '收到訊息',
+      message_edited: '訊息已編輯',
+      message_deleted: '訊息已刪除',
+      message_reaction: '訊息表情回應',
+      feedback_received: '收到回饋',
+      friend_request_received: '收到好友請求',
+      friend_added: '新增好友',
+      group_member_joined: '成員加入群組',
+      group_member_left: '成員離開群組',
+      group_member_banned: '成員被封禁',
+      bot_invited_to_group: '機器人被邀請加入群組',
+      bot_removed_from_group: '機器人被移出群組',
+      bot_muted: '機器人被禁言',
+      bot_unmuted: '機器人被解除禁言',
+      platform_specific: '平台特定事件',
+    },
     pluginSubscriptions: {
+      incompleteEvents:
+        '目前機器人僅支援部分事件（{{events}}），處理器表現可能不完整。',
       description: '自動接收外掛宣告的事件，與上方事件路由獨立執行。',
       empty: '尚未綁定外掛處理器。',
       add: '新增外掛處理器',
diff --git a/web/tests/e2e/bot-processor-compatibility.spec.ts b/web/tests/e2e/bot-processor-compatibility.spec.ts
index 0cb983540..5bae6e43f 100644
--- a/web/tests/e2e/bot-processor-compatibility.spec.ts
+++ b/web/tests/e2e/bot-processor-compatibility.spec.ts
@@ -1,14 +1,14 @@
 import { expect, test, type Page } from '@playwright/test';
 import { installLangBotApiMocks } from './fixtures/langbot-api';
 
-const warning = /This bot cannot fully cover these subscribed events:/;
+const warning = /This bot only supports some of the subscribed events/;
 const definitions = [
   { name: 'Messages only', patterns: ['message.received'] },
   {
     name: 'Community helper',
     patterns: [
-      'message.received',
       'group.member_joined',
+      'message.received',
       'friend.request_received',
     ],
   },
@@ -102,11 +102,28 @@ test('partial support warns in existing choices and saved bindings, and changes
   const community = dialog
     .locator('label')
     .filter({ hasText: 'Community helper' });
-  await expect(community.getByRole('status')).toContainText('Member joined');
-  await expect(community.getByRole('status')).toContainText('Friend request');
-  await expect(community.getByRole('status')).not.toContainText(
-    'Message received',
+  await expect(community.getByRole('status')).toContainText(
+    '(Message received)',
   );
+  await expect(community.getByRole('status')).not.toContainText(
+    'Member joined',
+  );
+  await expect(community.getByRole('listitem')).toHaveText([
+    'Message received',
+    'Member joined group',
+    'Friend request received',
+  ]);
+  for (const pattern of ['group.member_joined', 'friend.request_received']) {
+    const event = community.getByTitle(pattern, { exact: true });
+    await expect(event).toHaveClass(/text-amber-/);
+    await expect(event.locator('svg')).toHaveCount(1);
+  }
+  await expect(
+    community.getByTitle('message.received', { exact: true }),
+  ).not.toHaveClass(/text-amber-/);
+  await expect(
+    community.getByTitle('message.received', { exact: true }).locator('svg'),
+  ).toHaveCount(0);
   await expect(
     dialog
       .locator('label')
@@ -122,6 +139,15 @@ test('partial support warns in existing choices and saved bindings, and changes
   ).toHaveCount(1);
   await page.getByRole('button', { name: 'Save', exact: true }).click();
   await page.reload();
+  await expect(
+    page
+      .getByRole('region', { name: 'Plugin processor', exact: true })
+      .getByRole('listitem'),
+  ).toHaveText([
+    'Message received',
+    'Member joined group',
+    'Friend request received',
+  ]);
   await expect(
     page.getByRole('status').filter({ hasText: warning }),
   ).toHaveCount(1);
@@ -159,6 +185,21 @@ test('new component choices warn for missing and wildcard events but allow creat
         .getByRole('status'),
     ).toContainText(warning);
   }
+  await expect(
+    dialog.getByRole('button', { name: /Group observer/ }).getByRole('status'),
+  ).toContainText('(None)');
+  await expect(
+    dialog.getByRole('button', { name: /All observer/ }).getByRole('status'),
+  ).toContainText('(Message received)');
+  const community = dialog.getByRole('button', { name: /Community helper/ });
+  await expect(community.getByRole('listitem')).toHaveText([
+    'Message received',
+    'Member joined group',
+    'Friend request received',
+  ]);
+  await expect(
+    community.getByTitle('group.member_joined', { exact: true }).locator('svg'),
+  ).toHaveCount(1);
   await expect(
     dialog.getByRole('button', { name: /Messages only/ }).getByRole('status'),
   ).toHaveCount(0);
diff --git a/web/tests/unit/event-pattern-coverage.test.mjs b/web/tests/unit/event-pattern-coverage.test.mjs
index b6b0a9dbb..f2e179e35 100644
--- a/web/tests/unit/event-pattern-coverage.test.mjs
+++ b/web/tests/unit/event-pattern-coverage.test.mjs
@@ -14,7 +14,10 @@ const exports = {};
 new Function(
   'exports',
   ts.transpileModule(source, {
-    compilerOptions: { module: ts.ModuleKind.CommonJS },
+    compilerOptions: {
+      module: ts.ModuleKind.CommonJS,
+      target: ts.ScriptTarget.ES2022,
+    },
   }).outputText,
 )(exports);
 
@@ -34,3 +37,56 @@ for (const [supported, required, covered] of [
     assert.equal(exports.eventPatternCovers(supported, required), covered);
   });
 }
+
+test('processor events put covered declarations first and report only the intersection', () => {
+  const result = exports.processorEventCompatibility(
+    [
+      'group.member_joined',
+      'message.received',
+      'friend.request_received',
+      'message.received',
+    ],
+    ['message.received', 'message.edited'],
+  );
+  assert.deepEqual(result.entries, [
+    { pattern: 'message.received', supported: true },
+    { pattern: 'group.member_joined', supported: false },
+    { pattern: 'friend.request_received', supported: false },
+  ]);
+  assert.deepEqual(result.matchingEvents, ['message.received']);
+});
+
+test('wildcard subscriptions show matching concrete adapter events without claiming full coverage', () => {
+  const result = exports.processorEventCompatibility(
+    ['group.*'],
+    ['group.member_joined', 'message.received'],
+  );
+  assert.deepEqual(result.entries, [{ pattern: 'group.*', supported: false }]);
+  assert.deepEqual(result.matchingEvents, ['group.member_joined']);
+  assert.deepEqual(
+    exports.processorEventCompatibility(['*'], ['message.received'])
+      .matchingEvents,
+    ['message.received'],
+  );
+});
+
+test('adapter wildcards cover concrete subscriptions without expanding the intersection', () => {
+  const result = exports.processorEventCompatibility(
+    ['group.member_joined'],
+    ['group.*'],
+  );
+  assert.equal(result.entries[0].supported, true);
+  assert.deepEqual(result.matchingEvents, ['group.member_joined']);
+});
+
+test('legacy adapters default to messages and unmatched subscriptions have an empty intersection', () => {
+  assert.deepEqual(
+    exports.processorEventCompatibility(['*'], []).matchingEvents,
+    ['message.received'],
+  );
+  assert.deepEqual(
+    exports.processorEventCompatibility(['group.*'], []).matchingEvents,
+    [],
+  );
+  assert.deepEqual(exports.processorEventCompatibility([], []).entries, []);
+});