Merge pull request #1074 from StarryKira/fix/session-window-reset-from-header

  fix(usage): use real reset header for 5h session window countdown fix issue #1064 #1065

backend/internal/service/ratelimit_service.go

@@ -1051,16 +1051,44 @@ func (s *RateLimitService) UpdateSessionWindow(ctx context.Context, account *Acc
 	var windowStart, windowEnd *time.Time
 	needInitWindow := account.SessionWindowEnd == nil || time.Now().After(*account.SessionWindowEnd)
 
-	if needInitWindow && (status == "allowed" || status == "allowed_warning") {
-		// 预测时间窗口：从当前时间的整点开始，+5小时为结束
-		// 例如：现在是 14:30，窗口为 14:00 ~ 19:00
+	// 优先使用响应头中的真实重置时间（比预测更准确）
+	if resetStr := headers.Get("anthropic-ratelimit-unified-5h-reset"); resetStr != "" {
+		if ts, err := strconv.ParseInt(resetStr, 10, 64); err == nil {
+			// 检测可能的毫秒时间戳（秒级约为 1e9，毫秒约为 1e12）
+			if ts > 1e11 {
+				slog.Warn("account_session_window_header_millis_detected", "account_id", account.ID, "raw_reset", resetStr)
+				ts = ts / 1000
+			}
+			end := time.Unix(ts, 0)
+			// 校验时间戳是否在合理范围内（不早于 5h 前，不晚于 7 天后）
+			minAllowed := time.Now().Add(-5 * time.Hour)
+			maxAllowed := time.Now().Add(7 * 24 * time.Hour)
+			if end.Before(minAllowed) || end.After(maxAllowed) {
+				slog.Warn("account_session_window_header_out_of_range", "account_id", account.ID, "raw_reset", resetStr, "parsed_end", end)
+			} else if needInitWindow || account.SessionWindowEnd == nil || !end.Equal(*account.SessionWindowEnd) {
+				// 窗口需要初始化，或者真实重置时间与已存储的不同，则更新
+				start := end.Add(-5 * time.Hour)
+				windowStart = &start
+				windowEnd = &end
+				slog.Info("account_session_window_from_header", "account_id", account.ID, "window_start", start, "window_end", end, "status", status)
+			}
+		} else {
+			slog.Warn("account_session_window_header_parse_failed", "account_id", account.ID, "raw_reset", resetStr, "error", err)
+		}
+	}
+
+	// 回退：如果没有真实重置时间且需要初始化窗口，使用预测
+	if windowEnd == nil && needInitWindow && (status == "allowed" || status == "allowed_warning") {
 		now := time.Now()
 		start := time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), 0, 0, 0, now.Location())
 		end := start.Add(5 * time.Hour)
 		windowStart = &start
 		windowEnd = &end
 		slog.Info("account_session_window_initialized", "account_id", account.ID, "window_start", start, "window_end", end, "status", status)
+	}
+
 	// 窗口重置时清除旧的 utilization，避免残留上个窗口的数据
+	if windowEnd != nil && needInitWindow {
 		_ = s.accountRepo.UpdateExtra(ctx, account.ID, map[string]any{
 			"session_window_utilization": nil,
 		})

backend/internal/service/ratelimit_session_window_test.go

+package service
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+)
+
+// sessionWindowMockRepo is a minimal AccountRepository mock that records calls
+// made by UpdateSessionWindow. Unrelated methods panic if invoked.
+type sessionWindowMockRepo struct {
+	// captured calls
+	sessionWindowCalls []swCall
+	updateExtraCalls   []ueCall
+	clearRateLimitIDs  []int64
+}
+
+var _ AccountRepository = (*sessionWindowMockRepo)(nil)
+
+type swCall struct {
+	ID     int64
+	Start  *time.Time
+	End    *time.Time
+	Status string
+}
+
+type ueCall struct {
+	ID      int64
+	Updates map[string]any
+}
+
+func (m *sessionWindowMockRepo) UpdateSessionWindow(_ context.Context, id int64, start, end *time.Time, status string) error {
+	m.sessionWindowCalls = append(m.sessionWindowCalls, swCall{ID: id, Start: start, End: end, Status: status})
+	return nil
+}
+func (m *sessionWindowMockRepo) UpdateExtra(_ context.Context, id int64, updates map[string]any) error {
+	m.updateExtraCalls = append(m.updateExtraCalls, ueCall{ID: id, Updates: updates})
+	return nil
+}
+func (m *sessionWindowMockRepo) ClearRateLimit(_ context.Context, id int64) error {
+	m.clearRateLimitIDs = append(m.clearRateLimitIDs, id)
+	return nil
+}
+func (m *sessionWindowMockRepo) ClearAntigravityQuotaScopes(_ context.Context, _ int64) error {
+	return nil
+}
+func (m *sessionWindowMockRepo) ClearModelRateLimits(_ context.Context, _ int64) error {
+	return nil
+}
+func (m *sessionWindowMockRepo) ClearTempUnschedulable(_ context.Context, _ int64) error {
+	return nil
+}
+
+// --- Unused interface methods (panic on unexpected call) ---
+
+func (m *sessionWindowMockRepo) Create(context.Context, *Account) error { panic("unexpected") }
+func (m *sessionWindowMockRepo) GetByID(context.Context, int64) (*Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) GetByIDs(context.Context, []int64) ([]*Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ExistsByID(context.Context, int64) (bool, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) GetByCRSAccountID(context.Context, string) (*Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) FindByExtraField(context.Context, string, any) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListCRSAccountIDs(context.Context) (map[string]int64, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) Update(context.Context, *Account) error { panic("unexpected") }
+func (m *sessionWindowMockRepo) Delete(context.Context, int64) error    { panic("unexpected") }
+func (m *sessionWindowMockRepo) List(context.Context, pagination.PaginationParams) ([]Account, *pagination.PaginationResult, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListWithFilters(context.Context, pagination.PaginationParams, string, string, string, string, int64) ([]Account, *pagination.PaginationResult, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListByGroup(context.Context, int64) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListActive(context.Context) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListByPlatform(context.Context, string) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) UpdateLastUsed(context.Context, int64) error { panic("unexpected") }
+func (m *sessionWindowMockRepo) BatchUpdateLastUsed(context.Context, map[int64]time.Time) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) SetError(context.Context, int64, string) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ClearError(context.Context, int64) error { panic("unexpected") }
+func (m *sessionWindowMockRepo) SetSchedulable(context.Context, int64, bool) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) AutoPauseExpiredAccounts(context.Context, time.Time) (int64, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) BindGroups(context.Context, int64, []int64) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulable(context.Context) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulableByGroupID(context.Context, int64) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulableByPlatform(context.Context, string) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulableByGroupIDAndPlatform(context.Context, int64, string) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulableByPlatforms(context.Context, []string) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulableByGroupIDAndPlatforms(context.Context, int64, []string) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulableUngroupedByPlatform(context.Context, string) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ListSchedulableUngroupedByPlatforms(context.Context, []string) ([]Account, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) SetRateLimited(context.Context, int64, time.Time) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) SetModelRateLimit(context.Context, int64, string, time.Time) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) SetOverloaded(context.Context, int64, time.Time) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) SetTempUnschedulable(context.Context, int64, time.Time, string) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) BulkUpdate(context.Context, []int64, AccountBulkUpdate) (int64, error) {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) IncrementQuotaUsed(context.Context, int64, float64) error {
+	panic("unexpected")
+}
+func (m *sessionWindowMockRepo) ResetQuotaUsed(context.Context, int64) error { panic("unexpected") }
+
+// newRateLimitServiceForTest creates a RateLimitService with the given mock repo.
+func newRateLimitServiceForTest(repo AccountRepository) *RateLimitService {
+	return &RateLimitService{accountRepo: repo}
+}
+
+func TestUpdateSessionWindow_UsesResetHeader(t *testing.T) {
+	// The reset header provides the real window end as a Unix timestamp.
+	// UpdateSessionWindow should use it instead of the hour-truncated prediction.
+	resetUnix := time.Now().Add(3 * time.Hour).Unix()
+	wantEnd := time.Unix(resetUnix, 0)
+	wantStart := wantEnd.Add(-5 * time.Hour)
+
+	repo := &sessionWindowMockRepo{}
+	svc := newRateLimitServiceForTest(repo)
+
+	account := &Account{ID: 42} // no existing window → needInitWindow=true
+	headers := http.Header{}
+	headers.Set("anthropic-ratelimit-unified-5h-status", "allowed")
+	headers.Set("anthropic-ratelimit-unified-5h-reset", fmt.Sprintf("%d", resetUnix))
+
+	svc.UpdateSessionWindow(context.Background(), account, headers)
+
+	if len(repo.sessionWindowCalls) != 1 {
+		t.Fatalf("expected 1 UpdateSessionWindow call, got %d", len(repo.sessionWindowCalls))
+	}
+
+	call := repo.sessionWindowCalls[0]
+	if call.ID != 42 {
+		t.Errorf("expected account ID 42, got %d", call.ID)
+	}
+	if call.End == nil || !call.End.Equal(wantEnd) {
+		t.Errorf("expected window end %v, got %v", wantEnd, call.End)
+	}
+	if call.Start == nil || !call.Start.Equal(wantStart) {
+		t.Errorf("expected window start %v, got %v", wantStart, call.Start)
+	}
+	if call.Status != "allowed" {
+		t.Errorf("expected status 'allowed', got %q", call.Status)
+	}
+}
+
+func TestUpdateSessionWindow_FallbackPredictionWhenNoResetHeader(t *testing.T) {
+	// When the reset header is absent, should fall back to hour-truncated prediction.
+	repo := &sessionWindowMockRepo{}
+	svc := newRateLimitServiceForTest(repo)
+
+	account := &Account{ID: 10} // no existing window
+	headers := http.Header{}
+	headers.Set("anthropic-ratelimit-unified-5h-status", "allowed_warning")
+	// No anthropic-ratelimit-unified-5h-reset header
+
+	// Capture now before the call to avoid hour-boundary races
+	now := time.Now()
+	expectedStart := time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), 0, 0, 0, now.Location())
+	expectedEnd := expectedStart.Add(5 * time.Hour)
+
+	svc.UpdateSessionWindow(context.Background(), account, headers)
+
+	if len(repo.sessionWindowCalls) != 1 {
+		t.Fatalf("expected 1 UpdateSessionWindow call, got %d", len(repo.sessionWindowCalls))
+	}
+
+	call := repo.sessionWindowCalls[0]
+	if call.End == nil {
+		t.Fatal("expected window end to be set (fallback prediction)")
+	}
+	// Fallback: start = current hour truncated, end = start + 5h
+
+	if !call.End.Equal(expectedEnd) {
+		t.Errorf("expected fallback end %v, got %v", expectedEnd, *call.End)
+	}
+	if call.Start == nil || !call.Start.Equal(expectedStart) {
+		t.Errorf("expected fallback start %v, got %v", expectedStart, call.Start)
+	}
+}
+
+func TestUpdateSessionWindow_CorrectsStalePrediction(t *testing.T) {
+	// When the stored SessionWindowEnd is wrong (from a previous prediction),
+	// and the reset header provides the real time, it should update the window.
+	staleEnd := time.Now().Add(2 * time.Hour)             // existing prediction: 2h from now
+	realResetUnix := time.Now().Add(4 * time.Hour).Unix() // real reset: 4h from now
+	wantEnd := time.Unix(realResetUnix, 0)
+
+	repo := &sessionWindowMockRepo{}
+	svc := newRateLimitServiceForTest(repo)
+
+	account := &Account{
+		ID:               55,
+		SessionWindowEnd: &staleEnd,
+	}
+	headers := http.Header{}
+	headers.Set("anthropic-ratelimit-unified-5h-status", "allowed")
+	headers.Set("anthropic-ratelimit-unified-5h-reset", fmt.Sprintf("%d", realResetUnix))
+
+	svc.UpdateSessionWindow(context.Background(), account, headers)
+
+	if len(repo.sessionWindowCalls) != 1 {
+		t.Fatalf("expected 1 UpdateSessionWindow call, got %d", len(repo.sessionWindowCalls))
+	}
+
+	call := repo.sessionWindowCalls[0]
+	if call.End == nil || !call.End.Equal(wantEnd) {
+		t.Errorf("expected corrected end %v, got %v", wantEnd, call.End)
+	}
+}
+
+func TestUpdateSessionWindow_NoUpdateWhenHeaderMatchesStored(t *testing.T) {
+	// If the reset header matches the stored SessionWindowEnd, no window update needed.
+	futureUnix := time.Now().Add(3 * time.Hour).Unix()
+	existingEnd := time.Unix(futureUnix, 0)
+
+	repo := &sessionWindowMockRepo{}
+	svc := newRateLimitServiceForTest(repo)
+
+	account := &Account{
+		ID:               77,
+		SessionWindowEnd: &existingEnd,
+	}
+	headers := http.Header{}
+	headers.Set("anthropic-ratelimit-unified-5h-status", "allowed")
+	headers.Set("anthropic-ratelimit-unified-5h-reset", fmt.Sprintf("%d", futureUnix)) // same as stored
+
+	svc.UpdateSessionWindow(context.Background(), account, headers)
+
+	if len(repo.sessionWindowCalls) != 1 {
+		t.Fatalf("expected 1 UpdateSessionWindow call, got %d", len(repo.sessionWindowCalls))
+	}
+
+	call := repo.sessionWindowCalls[0]
+	// windowStart and windowEnd should be nil (no update needed)
+	if call.Start != nil || call.End != nil {
+		t.Errorf("expected nil start/end (no window change needed), got start=%v end=%v", call.Start, call.End)
+	}
+	// Status is still updated
+	if call.Status != "allowed" {
+		t.Errorf("expected status 'allowed', got %q", call.Status)
+	}
+}
+
+func TestUpdateSessionWindow_ClearsUtilizationOnWindowReset(t *testing.T) {
+	// When needInitWindow=true and window is set, utilization should be cleared.
+	resetUnix := time.Now().Add(3 * time.Hour).Unix()
+
+	repo := &sessionWindowMockRepo{}
+	svc := newRateLimitServiceForTest(repo)
+
+	account := &Account{ID: 33} // no existing window → needInitWindow=true
+	headers := http.Header{}
+	headers.Set("anthropic-ratelimit-unified-5h-status", "allowed")
+	headers.Set("anthropic-ratelimit-unified-5h-reset", fmt.Sprintf("%d", resetUnix))
+	headers.Set("anthropic-ratelimit-unified-5h-utilization", "0.15")
+
+	svc.UpdateSessionWindow(context.Background(), account, headers)
+
+	// Should have 2 UpdateExtra calls: one to clear utilization, one to store new utilization
+	if len(repo.updateExtraCalls) != 2 {
+		t.Fatalf("expected 2 UpdateExtra calls, got %d", len(repo.updateExtraCalls))
+	}
+
+	// First call: clear utilization (nil value)
+	clearCall := repo.updateExtraCalls[0]
+	if clearCall.Updates["session_window_utilization"] != nil {
+		t.Errorf("expected utilization cleared to nil, got %v", clearCall.Updates["session_window_utilization"])
+	}
+
+	// Second call: store new utilization
+	storeCall := repo.updateExtraCalls[1]
+	if val, ok := storeCall.Updates["session_window_utilization"].(float64); !ok || val != 0.15 {
+		t.Errorf("expected utilization stored as 0.15, got %v", storeCall.Updates["session_window_utilization"])
+	}
+}
+
+func TestUpdateSessionWindow_NoClearUtilizationOnCorrection(t *testing.T) {
+	// When correcting a stale prediction (needInitWindow=false), utilization should NOT be cleared.
+	staleEnd := time.Now().Add(2 * time.Hour)
+	realResetUnix := time.Now().Add(4 * time.Hour).Unix()
+
+	repo := &sessionWindowMockRepo{}
+	svc := newRateLimitServiceForTest(repo)
+
+	account := &Account{
+		ID:               66,
+		SessionWindowEnd: &staleEnd,
+	}
+	headers := http.Header{}
+	headers.Set("anthropic-ratelimit-unified-5h-status", "allowed")
+	headers.Set("anthropic-ratelimit-unified-5h-reset", fmt.Sprintf("%d", realResetUnix))
+	headers.Set("anthropic-ratelimit-unified-5h-utilization", "0.30")
+
+	svc.UpdateSessionWindow(context.Background(), account, headers)
+
+	// Only 1 UpdateExtra call (store utilization), no clear call
+	if len(repo.updateExtraCalls) != 1 {
+		t.Fatalf("expected 1 UpdateExtra call (no clear), got %d", len(repo.updateExtraCalls))
+	}
+
+	if val, ok := repo.updateExtraCalls[0].Updates["session_window_utilization"].(float64); !ok || val != 0.30 {
+		t.Errorf("expected utilization 0.30, got %v", repo.updateExtraCalls[0].Updates["session_window_utilization"])
+	}
+}
+
+func TestUpdateSessionWindow_NoStatusHeader(t *testing.T) {
+	// Should return immediately if no status header.
+	repo := &sessionWindowMockRepo{}
+	svc := newRateLimitServiceForTest(repo)
+
+	account := &Account{ID: 1}
+
+	svc.UpdateSessionWindow(context.Background(), account, http.Header{})
+
+	if len(repo.sessionWindowCalls) != 0 {
+		t.Errorf("expected no calls when status header absent, got %d", len(repo.sessionWindowCalls))
+	}
+}

frontend/src/components/account/UsageProgressBar.vue

@@ -56,7 +56,8 @@
 </template>
 
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, ref, watch } from 'vue'
+import { useIntervalFn } from '@vueuse/core'
 import { useI18n } from 'vue-i18n'
 import type { WindowStats } from '@/types'
 import { formatCompactNumber } from '@/utils/format'
@@ -71,6 +72,29 @@ const props = defineProps<{
 
 const { t } = useI18n()
 
+// Reactive clock for countdown — only runs when a reset time is shown,
+// to avoid creating many idle timers across large account lists.
+const now = ref(new Date())
+const { pause: pauseClock, resume: resumeClock } = useIntervalFn(
+  () => {
+    now.value = new Date()
+  },
+  60_000,
+  { immediate: false },
+)
+if (props.resetsAt) resumeClock()
+watch(
+  () => props.resetsAt,
+  (val) => {
+    if (val) {
+      now.value = new Date()
+      resumeClock()
+    } else {
+      pauseClock()
+    }
+  },
+)
+
 // Label background colors
 const labelClass = computed(() => {
   const colors = {
@@ -119,8 +143,7 @@ const displayPercent = computed(() => {
 const formatResetTime = computed(() => {
   if (!props.resetsAt) return '-'
   const date = new Date(props.resetsAt)
-  const now = new Date()
-  const diffMs = date.getTime() - now.getTime()
+  const diffMs = date.getTime() - now.value.getTime()
 
   if (diffMs <= 0) return '现在'