refactor: 彻底消除硬编码 qq — 平台标识统一为 obv11

- PlatformName() 返回 "obv11"
- platformFormats key: "obv11"
- 所有 platform == "qq" 检查 → "obv11"
- session prefix: platform_qq_ → platform_obv11_
- env var PLATFORM_CHANNELS: obv11:group:xxx
- ethend 平台标识同步更新
- 注释和测试用例同步

Co-Authored-By: Claude <noreply@anthropic.com>

backend/ai-core/internal/background/thinker.go

@@ -33,7 +33,7 @@ type PendingThought struct {
 // ProactiveTarget describes the target for proactive platform messages (OBv11, etc.).
 // When nil, the message goes through the existing Web push path.
 type ProactiveTarget struct {
-	Platform string // "qq"
+	Platform string // "obv11"
 	ChatType string // "private" or "group"
 	UserID   string // OBv11 user number
 	GroupID  string // OBv11 group number (group chat)
@@ -71,7 +71,7 @@ type PlatformFormat struct {
 // defaultPlatformFormats returns the built-in platform format registry.
 func defaultPlatformFormats() map[string]*PlatformFormat {
 	formats := make(map[string]*PlatformFormat)
-	qq := &PlatformFormat{
+	obv11 := &PlatformFormat{
 		Label:            "OBv11",
 		TargetRegex:      `【OBv11(私聊|群聊):(\d+)(?:@(\d+))?】`,
 		GroupMarkerFmt:   "【OBv11群聊:%s】",
@@ -80,14 +80,14 @@ func defaultPlatformFormats() map[string]*PlatformFormat {
 		GroupKeyword:     "群聊",
 		PrivateKeyword:   "私聊",
 	}
-	qq.compiled = regexp.MustCompile(qq.TargetRegex)
-	formats["qq"] = qq
+	obv11.compiled = regexp.MustCompile(obv11.TargetRegex)
+	formats["obv11"] = obv11
 	return formats
 }
 
 // ParsePlatformChannels parses PLATFORM_CHANNELS env var.
-// Format: "qq:group:123456,telegram:group:789012"
-// Optional 4th field for display name: "qq:group:123456:群名称"
+// Format: "obv11:group:123456,telegram:group:789012"
+// Optional 4th field for display name: "obv11:group:123456:群名称"
 func ParsePlatformChannels(raw string) []PlatformChannel {
 	if raw == "" {
 		return nil
@@ -228,7 +228,7 @@ type Thinker struct {
 	platformChannels      []PlatformChannel
 	platformThinkInterval time.Duration
 
-	// 平台 Bot UID (platform -> bot's own UID, e.g. "qq" -> "123456789")
+	// 平台 Bot UID (platform -> bot's own UID, e.g. "obv11" -> "123456789")
 	botUIDs map[string]string
 
 	// 平台格式注册表 (platform -> format)
@@ -1609,15 +1609,15 @@ func (t *Thinker) buildThinkingUserPrompt(
 			sb.WriteString("\n\n【你的平台身份与可用频道】\n")
 
 			// Bot's own identity.
-			if qqBotUID, ok := botUIDs["qq"]; ok && qqBotUID != "" {
+			if qqBotUID, ok := botUIDs["obv11"]; ok && qqBotUID != "" {
 				sb.WriteString(fmt.Sprintf("你在OBv11上的账号是: %s（昔涟），这就是你。\n", qqBotUID))
 			}
 
 			// Active session context with time, group name, and trigger-aware guidance.
-			if strings.HasPrefix(activeSID, "platform_qq_") {
-				activeChID := strings.TrimPrefix(activeSID, "platform_qq_")
+			if strings.HasPrefix(activeSID, "platform_obv11_") {
+				activeChID := strings.TrimPrefix(activeSID, "platform_obv11_")
 				for _, ch := range qqChannels {
-					if ch.Platform == "qq" && ch.ChannelID == activeChID {
+					if ch.Platform == "obv11" && ch.ChannelID == activeChID {
 						chLabel := activeChID
 						if ch.ChannelName != "" {
 							chLabel = fmt.Sprintf("%s(%s)", ch.ChannelName, activeChID)
@@ -1665,7 +1665,7 @@ func (t *Thinker) buildThinkingUserPrompt(
 			sb.WriteString("- OBv11群聊@某人: 【主动消息】【OBv11群聊:群号@账号】消息内容\n")
 			sb.WriteString("\n可用的平台频道列表：\n")
 			for _, ch := range qqChannels {
-				if ch.Platform != "qq" {
+				if ch.Platform != "obv11" {
 					continue
 				}
 				label := ch.ChannelID

backend/ai-core/internal/background/thinker_test.go

@@ -42,8 +42,8 @@ func TestExtractProactiveMessage_OBv11Group(t *testing.T) {
 	if target == nil {
 		t.Fatal("expected target, got nil")
 	}
-	if target.Platform != "qq" {
-		t.Errorf("expected platform 'qq', got %q", target.Platform)
+	if target.Platform != "obv11" {
+		t.Errorf("expected platform 'obv11', got %q", target.Platform)
 	}
 	if target.ChatType != "group" {
 		t.Errorf("expected chatType 'group', got %q", target.ChatType)

backend/platform-bridge/cmd/main.go

@@ -300,14 +300,14 @@ func main() {
 			// Sync admin identities from config fields.
 			syncAdminUIDs(mapper, platform, fields, cfg.AdminNickname)
 			// Restart OBv11 reader when OBv11 config changes.
-			if platform == "qq" {
+			if platform == "obv11" {
 				startOBv11Readers(router)
 			}
 		} else {
 			router.RemoveAdapter(name)
 			fmt.Printf("Platform adapter removed: %s\n", name)
 			// Cancel reader goroutines for removed adapter.
-			if platform == "qq" {
+			if platform == "obv11" {
 				startOBv11Readers(router)
 			}
 		}
@@ -366,7 +366,7 @@ func startOBv11Readers(router *bridge.PlatformRouter) {
 	qqReaderCancels = make(map[string]context.CancelFunc)
 	qqReaderCancelsMu.Unlock()
 
-	for _, qqa := range router.GetAdaptersByPlatform("qq") {
+	for _, qqa := range router.GetAdaptersByPlatform("obv11") {
 		qqAdapter, ok := qqa.(*qqadapter.Adapter)
 		if !ok {
 			continue
@@ -485,7 +485,7 @@ func createAdapters(cfg *config.Config, store *config.Store) []bridge.PlatformAd
 	}
 
 	// Seed default adapters for platforms that have no stored config.
-	defaultPlatforms := []string{"qq", "telegram", "webhook", "wechat", "feishu", "discord"}
+	defaultPlatforms := []string{"obv11", "telegram", "webhook", "wechat", "feishu", "discord"}
 	for _, name := range defaultPlatforms {
 		if seen[name] {
 			continue
@@ -500,10 +500,10 @@ func createAdapters(cfg *config.Config, store *config.Store) []bridge.PlatformAd
 }
 
 // createSingleAdapter creates one platform adapter from config fields.
-// platform is the base platform type ("qq", "telegram", etc.), configName is the instance key.
+// platform is the base platform type ("obv11", "telegram", etc.), configName is the instance key.
 func createSingleAdapter(cfg *config.Config, platform, configName, configID string, fields map[string]string) bridge.PlatformAdapter {
 	switch platform {
-	case "qq":
+	case "obv11":
 		port := cfg.OBv11BotPort
 		if p, ok := fields["bot_port"]; ok && p != "" {
 			port = p
@@ -565,7 +565,7 @@ func mergeFields(cfg *config.Config, platform string, stored *config.PlatformCon
 	if fields["webhook_url"] == "" && cfg.TelegramWebhookURL != "" && platform == "telegram" {
 		fields["webhook_url"] = cfg.TelegramWebhookURL
 	}
-	if fields["bot_port"] == "" && cfg.OBv11BotPort != "" && platform == "qq" {
+	if fields["bot_port"] == "" && cfg.OBv11BotPort != "" && platform == "obv11" {
 		fields["bot_port"] = cfg.OBv11BotPort
 	}
 	return fields
@@ -989,7 +989,7 @@ func seedIdentities(m *bridge.IdentityMapper, store *config.Store, adminNickname
 	}
 
 	// From stored platform configs (admin_uids field).
-	for _, name := range []string{"qq", "telegram", "webhook", "wechat", "feishu", "discord"} {
+	for _, name := range []string{"obv11", "telegram", "webhook", "wechat", "feishu", "discord"} {
 		stored, _ := store.Get(name)
 		if stored == nil {
 			continue

backend/platform-bridge/internal/adapter/qq/adapter.go

@@ -64,7 +64,7 @@ func NewAdapter(configID, configName, mode, port, accessToken, remoteURL string,
 	}
 }
 
-func (a *Adapter) PlatformName() string   { return "qq" }
+func (a *Adapter) PlatformName() string   { return "obv11" }
 func (a *Adapter) ConfigID() string      { return a.configID }
 func (a *Adapter) ConfigName() string    { return a.configName }
 func (a *Adapter) SendIntervalMs() int   { return a.sendIntervalMs }
@@ -391,7 +391,7 @@ func (a *Adapter) ToUnified(rawMessage interface{}) (*bridge.UnifiedMessage, err
 	return &bridge.UnifiedMessage{
 		SenderID:    senderID,
 		SenderName:  senderName,
-		Platform:    "qq",
+		Platform:    "obv11",
 		ChannelID:   channelID,
 		ChannelType: channelType,
 		Content:     content,
@@ -442,7 +442,7 @@ func (a *Adapter) noticeToUnified(msg *OBv11Message) (*bridge.UnifiedMessage, er
 	return &bridge.UnifiedMessage{
 		SenderID:    senderID,
 		SenderName:  senderName,
-		Platform:    "qq",
+		Platform:    "obv11",
 		ChannelID:   channelID,
 		ChannelType: channelType,
 		Content:     content,

backend/platform-bridge/internal/adapter/qq/channels.go

@@ -65,7 +65,7 @@ func (a *Adapter) FetchGroups() []bridge.ChannelInfo {
 			a.SetGroupName(g.GroupID, g.GroupName)
 		}
 		channels = append(channels, bridge.ChannelInfo{
-			Platform:    "qq",
+			Platform:    "obv11",
 			ChannelType: "group",
 			ChannelID:   fmt.Sprintf("%d", g.GroupID),
 			ChannelName: g.GroupName,
@@ -124,7 +124,7 @@ func (a *Adapter) FetchFriends() []bridge.ChannelInfo {
 			name = f.Nickname
 		}
 		channels = append(channels, bridge.ChannelInfo{
-			Platform:    "qq",
+			Platform:    "obv11",
 			ChannelType: "private",
 			ChannelID:   fmt.Sprintf("%d", f.UserID),
 			ChannelName: name,