feat(emotion): A1 情绪系统接线 + refactor: 拆分 channelbridge.go

A1 情绪接线:
- loop 回合边界钩子(TurnEnd/OnTurnEnd/settleTurn, Result.Mood); 每轮一次非每步
- persona/emotion: React(valence五档) + Machine.Move(BFS最短合法路径一步) + Observer(observe/decay/好感度,仅变化才emit); 好感度步长读角色配置(cyrene delta=10, 0..700)
- 落库 Mood(web session_persist.res.Mood + IM channelbridge/persist; user消息不带mood); WS mood事件(BroadcastMood,仅变化); per-persona隔离; 群聊/陌生人只读不写不发
- cmd/cyrene/emotion.go 生产接线 + wire.go 注入 loop.Options.OnTurnEnd
- 22 测试(状态机被loop调用/Mood非空落库/mood帧shape/只变化才发/群聊只读) + 真二进制冒烟
- Docs: api-client v0.32 §3.7 情绪事件 + 开源对照清单(companion 应用对照)
- 诚实: 本机无LLM凭据→未活体验证'模型返回后完整轮次'一环

拆分 channelbridge.go 816→257(纯搬移零逻辑): connect/inbound/outbound/blacklist/helpers.go; A1 的 IM mood 调用点落在新 inbound.go, 故与本提交同批

回滚 6 个 gofmt 顺手格式化文件(capacity_loop_test/flow/source_test/findchannel_test/admin_channels_platform_test/history) 缩 diff, 含 history.go 注释被转弯引号

internal/services/channelbridge/outbound.go

@@ -0,0 +1,29 @@
+package channelbridge
+
+import (
+	"context"
+	"fmt"
+
+	"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/adapter"
+)
+
+// This file holds the outbound reply path (design/16 §4.6 §5): the loop's text is
+// delivered back to the source conversation through the same account adapter that
+// received the message.
+
+// sendReply delivers the loop's text back to the channel's source conversation
+// through the account adapter that received the message (multi-account safe,
+// design/16 §4.6 §5). It mirrors the inbound message's channel targeting fields so
+// the adapter resolves the same peer the message came from, and it exits through the
+// shared IM bubble dispatcher (strip role-play/narration + <p> split + 0.5-2s gap).
+func (b *Bridge) sendReply(ctx context.Context, in adapter.UnifiedMessage, a adapter.PlatformAdapter, text string) error {
+	if a == nil {
+		a = b.adapter(in.Platform)
+	}
+	if a == nil {
+		return fmt.Errorf("channelbridge: no adapter for platform %q", in.Platform)
+	}
+	return b.sendIMBubbles(ctx, in, func(ctx context.Context, msg adapter.UnifiedMessage) error {
+		return a.SendMessage(ctx, adapter.UnifiedResponse{Messages: []adapter.UnifiedMessage{msg}})
+	}, text)
+}