Fix planned task splitting and progress summaries

pkg/agent/session_planner.go

@@ -103,7 +103,10 @@ func splitPlannedSegments(content string) []string {
 		return bullet
 	}
 
-	replaced := strings.NewReplacer("；", ";", "\n", ";", "。然后", ";", " 然后 ", ";", " and then ", ";")
+	// Only split implicit plans on strong separators. Plain newlines are often
+	// just formatting inside a single request, and "然后/and then" frequently
+	// describes execution order inside one task rather than separate tasks.
+	replaced := strings.NewReplacer("；", ";")
 	norm := replaced.Replace(content)
 	parts := strings.Split(norm, ";")
 	out := make([]string, 0, len(parts))
@@ -180,7 +183,7 @@ func (al *AgentLoop) publishPlannedTaskProgress(msg bus.InboundMessage, total in
 	if body == "" {
 		body = "(无输出)"
 	}
-	body = truncate(strings.ReplaceAll(body, "\n", " "), 280)
+	body = summarizePlannedTaskProgressBody(body, 6, 320)
 	content := fmt.Sprintf("进度 %d/%d：任务%d已%s\n%s", idx, total, idx, status, body)
 	al.bus.PublishOutbound(bus.OutboundMessage{
 		Channel: msg.Channel,
@@ -189,6 +192,37 @@ func (al *AgentLoop) publishPlannedTaskProgress(msg bus.InboundMessage, total in
 	})
 }
 
+func summarizePlannedTaskProgressBody(body string, maxLines, maxChars int) string {
+	body = strings.ReplaceAll(body, "\r\n", "\n")
+	body = strings.TrimSpace(body)
+	if body == "" {
+		return "(无输出)"
+	}
+	lines := strings.Split(body, "\n")
+	out := make([]string, 0, len(lines))
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		out = append(out, line)
+		if maxLines > 0 && len(out) >= maxLines {
+			break
+		}
+	}
+	if len(out) == 0 {
+		return "(无输出)"
+	}
+	joined := strings.Join(out, "\n")
+	if maxChars > 0 && len(joined) > maxChars {
+		joined = truncate(joined, maxChars)
+	}
+	if len(lines) > len(out) && !strings.HasSuffix(joined, "...") {
+		joined += "\n..."
+	}
+	return joined
+}
+
 func (al *AgentLoop) enrichTaskContentWithMemoryAndEKG(ctx context.Context, task plannedTask) string {
 	base := strings.TrimSpace(task.Content)
 	if base == "" {

pkg/agent/session_planner_split_test.go

@@ -0,0 +1,33 @@
+package agent
+
+import "testing"
+
+func TestSplitPlannedSegmentsDoesNotSplitPlainNewlines(t *testing.T) {
+	t.Parallel()
+
+	content := "编写ai漫画创作平台demo\n让产品出方案，方案出完让前端后端开始编写，写完后交个测试过一下"
+	got := splitPlannedSegments(content)
+	if len(got) != 1 {
+		t.Fatalf("expected 1 segment, got %d: %#v", len(got), got)
+	}
+}
+
+func TestSplitPlannedSegmentsStillSplitsBullets(t *testing.T) {
+	t.Parallel()
+
+	content := "1. 先实现前端\n2. 再补测试"
+	got := splitPlannedSegments(content)
+	if len(got) != 2 {
+		t.Fatalf("expected 2 segments, got %d: %#v", len(got), got)
+	}
+}
+
+func TestSplitPlannedSegmentsStillSplitsSemicolons(t *testing.T) {
+	t.Parallel()
+
+	content := "先实现前端；再补测试"
+	got := splitPlannedSegments(content)
+	if len(got) != 2 {
+		t.Fatalf("expected 2 segments, got %d: %#v", len(got), got)
+	}
+}

pkg/agent/session_planner_test.go

@@ -0,0 +1,23 @@
+package agent
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestSummarizePlannedTaskProgressBodyPreservesUsefulLines(t *testing.T) {
+	t.Parallel()
+
+	body := "subagent 已写入 config.json。\npath: /root/.clawgo/config.json\nagent_id: tester\nrole: testing\ndisplay_name: Test Agent\ntool_allowlist: [filesystem shell]\nrouting_keywords: [test qa]\nsystem_prompt_file: agents/tester/AGENT.md"
+	out := summarizePlannedTaskProgressBody(body, 6, 320)
+
+	if !strings.Contains(out, "subagent 已写入 config.json。") {
+		t.Fatalf("expected title line, got:\n%s", out)
+	}
+	if !strings.Contains(out, "agent_id: tester") {
+		t.Fatalf("expected agent id line, got:\n%s", out)
+	}
+	if strings.Contains(out, "subagent 已写入 config.json。 path:") {
+		t.Fatalf("expected multi-line formatting, got:\n%s", out)
+	}
+}