fix(backthink): 主动推送降频(15min心跳+60min≤1次+推后30min冷却+刚聊过10min冷避) + 情绪约束(分类限频/活跃感知) + 剥离'我决定:push'内部标记

internal/services/backthink/proactive_test.go

@@ -307,3 +307,59 @@ func TestPusher_SpecificPlatform_NoIM_FallsBackToActive(t *testing.T) {
 		t.Fatalf("Detail = %q, want it to include the kook hint", res.Detail)
 	}
 }
+
+// TestStripInternalMarkers_CleanBody verifies the internal decision/channel
+// markers are removed from a proactive body in every shape a model may emit
+// (bracketed, full-width, bare), so a marker can never reach the user-facing text.
+func TestStripInternalMarkers_CleanBody(t *testing.T) {
+	t.Parallel()
+	cases := []struct {
+		name, in, want string
+	}{
+		{name: "bracketed own lines", in: "[我决定:push]\n[渠道:kook]\n我想提醒你明天有体检", want: "我想提醒你明天有体检"},
+		{name: "inline bracketed", in: "[我决定：push]  [渠道：WEB]  晚上早点睡", want: "晚上早点睡"},
+		{name: "bare markers", in: "我决定:push\n渠道:kook\n记得喝水哦", want: "记得喝水哦"},
+		{name: "full-width brackets", in: "【我决定:push】【渠道:telegram】早点休息", want: "早点休息"},
+		{name: "marker trailing body", in: "今天风很大[我决定:push][渠道:kook]", want: "今天风很大"},
+		{name: "no marker", in: "洗衣机洗好了，衣服可以收了", want: "洗衣机洗好了，衣服可以收了"},
+		{name: "empty", in: "", want: ""},
+	}
+	for _, tc := range cases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+			if got := stripInternalMarkers(tc.in); got != tc.want {
+				t.Fatalf("stripInternalMarkers(%q) = %q, want %q", tc.in, got, tc.want)
+			}
+		})
+	}
+}
+
+// TestThink_BareMarkersStrippedFromBody is the regression for the KOOK leak: a
+// conclusion carrying bare (bracket-less) "我决定:push"/"渠道:..." markers must
+// still deliver a clean warm body, never the structured decision text.
+func TestThink_BareMarkersStrippedFromBody(t *testing.T) {
+	t.Parallel()
+	conclusion := "我决定:push\n渠道:kook\n记得喝水哦"
+	thinker := &mockThinker{text: conclusion}
+	im := &mockIMAdapter{}
+	b, _ := newBackthink(t, Config{}, Deps{
+		Thinker: thinker,
+		State:   &mockState{state: UserState{}},
+		IM:      im,
+		Gate:    &mockGate{allow: true},
+		Now:     func() time.Time { return dayAt() },
+	})
+
+	b.think(context.Background(), heartbeatTrigger())
+
+	if im.count() != 1 {
+		t.Fatalf("im calls = %d, want 1", im.count())
+	}
+	if im.last.Content != "记得喝水哦" {
+		t.Fatalf("im content = %q, want the clean body", im.last.Content)
+	}
+	if strings.Contains(im.last.Content, "我决定") || strings.Contains(im.last.Content, "渠道") {
+		t.Fatalf("internal marker leaked into the message body: %q", im.last.Content)
+	}
+}