优化时间工具

agents/time/time.go

@@ -91,13 +91,13 @@ func Resolve(now time.Time) Context {
 func BuildContext(ctx Context, routeReason string) string {
 	var b strings.Builder
 	b.WriteString("时间工具结果。请优先使用这里的绝对日期解释用户问题中的相对时间，不要自行猜测当前日期。\n")
-	fmt.Fprintf(&b, "当前本地日期时间：%s\n", ctx.Now.Format("2006-01-02 15:04:05 MST"))
+	fmt.Fprintf(&b, "当前本地日期时间：%s（%s）\n", ctx.Now.Format("2006-01-02 15:04:05 MST"), FormatWeekday(ctx.Now))
-	fmt.Fprintf(&b, "今天：%s\n", FormatSQLRange(ctx.Today))
+	fmt.Fprintf(&b, "今天：%s，%s\n", FormatDateWeekday(ctx.Today.Start), FormatSQLRangeWithWeekday(ctx.Today))
-	fmt.Fprintf(&b, "明天：%s\n", FormatSQLRange(ctx.Tomorrow))
+	fmt.Fprintf(&b, "明天：%s，%s\n", FormatDateWeekday(ctx.Tomorrow.Start), FormatSQLRangeWithWeekday(ctx.Tomorrow))
-	fmt.Fprintf(&b, "昨天：%s\n", FormatSQLRange(ctx.Yesterday))
+	fmt.Fprintf(&b, "昨天：%s，%s\n", FormatDateWeekday(ctx.Yesterday.Start), FormatSQLRangeWithWeekday(ctx.Yesterday))
-	fmt.Fprintf(&b, "本周：%s\n", FormatSQLRange(ctx.ThisWeek))
+	fmt.Fprintf(&b, "本周：%s\n", FormatSQLRangeWithWeekday(ctx.ThisWeek))
-	fmt.Fprintf(&b, "本月：%s\n", FormatSQLRange(ctx.ThisMonth))
+	fmt.Fprintf(&b, "本月：%s\n", FormatSQLRangeWithWeekday(ctx.ThisMonth))
-	fmt.Fprintf(&b, "本年：%s\n", FormatSQLRange(ctx.ThisYear))
+	fmt.Fprintf(&b, "本年：%s\n", FormatSQLRangeWithWeekday(ctx.ThisYear))
 	b.WriteString("SQL 日期过滤建议：对日程/事件类表使用半开区间，例如 event_time >= start AND event_time < end；如果实际字段名不同，必须使用 schema 中存在的时间字段。\n")
 	if strings.TrimSpace(routeReason) != "" {
 		b.WriteString("激活原因：" + strings.TrimSpace(routeReason) + "\n")
@@ -109,10 +109,23 @@ func FormatDate(t time.Time) string {
 	return t.Format("2006-01-02")
 }
 
+func FormatWeekday(t time.Time) string {
+	weekdays := []string{"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"}
+	return weekdays[t.Weekday()]
+}
+
+func FormatDateWeekday(t time.Time) string {
+	return fmt.Sprintf("%s（%s）", FormatDate(t), FormatWeekday(t))
+}
+
 func FormatSQLRange(r Range) string {
 	return fmt.Sprintf("start=%s, end_exclusive=%s", r.Start.Format("2006-01-02 15:04:05"), r.End.Format("2006-01-02 15:04:05"))
 }
 
+func FormatSQLRangeWithWeekday(r Range) string {
+	return fmt.Sprintf("start=%s（%s）, end_exclusive=%s（%s）", r.Start.Format("2006-01-02 15:04:05"), FormatWeekday(r.Start), r.End.Format("2006-01-02 15:04:05"), FormatWeekday(r.End))
+}
+
 func startOfDay(t time.Time) time.Time {
 	y, m, d := t.Date()
 	return time.Date(y, m, d, 0, 0, 0, 0, t.Location())

agents/time/time_test.go

@@ -23,7 +23,7 @@ func TestResolveBuildsCalendarRanges(t *testing.T) {
 func TestBuildContextIncludesSQLHints(t *testing.T) {
 	ctx := Resolve(time.Date(2026, 6, 10, 13, 14, 15, 0, time.UTC))
 	text := BuildContext(ctx, "需要日期范围")
-	for _, want := range []string{"时间工具结果", "本月", "start=", "end_exclusive=", "半开区间", "需要日期范围"} {
+	for _, want := range []string{"时间工具结果", "本月", "start=", "end_exclusive=", "星期三", "星期一", "半开区间", "需要日期范围"} {
 		if !strings.Contains(text, want) {
 			t.Fatalf("context missing %q:\n%s", want, text)
 		}
@@ -39,7 +39,7 @@ func TestToolDefinitionAndExecuteTool(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	for _, want := range []string{"时间工具结果", "2026-06-10", "本月", "start=", "end_exclusive=", "测试原因"} {
+	for _, want := range []string{"时间工具结果", "2026-06-10", "星期三", "本月", "start=", "end_exclusive=", "测试原因"} {
 		if !strings.Contains(text, want) {
 			t.Fatalf("tool result missing %q:\n%s", want, text)
 		}