refactor(channelbridge): 多气泡分割+旁白剥离+随机延迟上移为IM公共出口——sendReply/SendProactive统一(微信主动推送也分割)

internal/services/channelbridge/bubbles.go

@@ -0,0 +1,53 @@
+package channelbridge
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/adapter"
+)
+
+// bubbleSender is the per-bubble outbound call the shared IM dispatcher uses. A
+// reply exits through the adapter's SendMessage (UnifiedResponse) path, a proactive
+// push through its SendProactive path — both collapse to "dispatch one chat bubble to
+// the platform", which is what lets the reply and the proactive push share a single
+// sanitize/split/gap pipeline instead of each re-implementing it.
+type bubbleSender func(ctx context.Context, msg adapter.UnifiedMessage) error
+
+// sendIMBubbles is the single IM outbound exit shared by sendReply (reply path) and
+// SendProactive (proactive push). It turns content into the plain chat bubbles an IM
+// channel should receive: role-play/action/narration markup (rendered as muted italic
+// on the Web) is stripped and each <p> paragraph is delivered as its own
+// bubble/message (design/17 §2), with a multi-bubble burst spacing its sends 0.5-2s
+// apart so it does not flood the channel. The Web frontend is never affected — it
+// renders the persisted stream directly and does not route through here.
+//
+// target carries the platform/channel targeting fields and is copied onto every
+// bubble (only Content/ContentType/Timestamp differ per bubble); sender is the
+// adapter's outbound call. A content that strips to nothing (a pure action line) is
+// dropped without a send, and a per-bubble failure is wrapped with its index.
+func (b *Bridge) sendIMBubbles(ctx context.Context, target adapter.UnifiedMessage, sender bubbleSender, content string) error {
+	// splitBubbles applies stripNarration per bubble (so <action>/<narration> and the
+	// star-drift role-play forms are removed for IM) and splits on <p>. It is the
+	// single sanitize entry point, shared with the old reply path.
+	bubbles := splitBubbles(content)
+	if len(bubbles) == 0 {
+		b.log.Debug("im outbound has no plain text, skipped", "platform", target.Platform, "channel", target.ChannelID)
+		return nil
+	}
+	for i, bubble := range bubbles {
+		if i > 0 {
+			time.Sleep(b.bubbleGapFn())
+		}
+		out := target
+		out.Content = bubble
+		out.ContentType = adapter.ContentText
+		out.Timestamp = time.Now().UTC()
+		// Each bubble is its own send so the gap lands between messages.
+		if err := sender(ctx, out); err != nil {
+			return fmt.Errorf("channelbridge: send bubble #%d of %d: %w", i+1, len(bubbles), err)
+		}
+	}
+	return nil
+}