feat(mail): 增强发送队列筛选与投递追踪能力

- 发送队列支持按 Message-ID、收件人和时间范围筛选，并改为稳定游标分页。
- 邮件详情补充关联的发送队列信息，支持从邮件直接查看投递时间线。
- 前端同步接入新筛选条件，并在发送队列页提供清除筛选入口。

apps/api/internal/app/app_test.go

@@ -13,6 +13,7 @@ import (
 	"encoding/json"
 	"encoding/pem"
 	"errors"
+	"fmt"
 	"io"
 	"log/slog"
 	"math/big"
@@ -1541,6 +1542,137 @@ func TestSendQueueAPIPermissionIsolation(t *testing.T) {
 	}
 }
 
+func TestSendQueueAPIFiltersStableCursorAndMessageDetailLink(t *testing.T) {
+	a := newTestApp(t)
+	a.cfg.SMTPHost = "127.0.0.1"
+	a.cfg.SMTPPort = "25"
+	ts := httptest.NewServer(a.Router())
+	defer ts.Close()
+	client := &testClient{t: t, server: ts}
+
+	var login map[string]any
+	if code := client.do("POST", "/api/auth/login", map[string]string{"email": "admin@lanqin.local", "password": "ChangeMe123!"}, &login); code != http.StatusOK {
+		t.Fatalf("login code=%d", code)
+	}
+	user, mb := defaultAdminUserAndMailbox(t, a)
+	now := a.now().UTC()
+	sentFolderID, err := a.ensureFolder(context.Background(), mb.ID, "Sent")
+	if err != nil {
+		t.Fatal(err)
+	}
+	sentMsg := storedMessage{
+		MailboxID:  mb.ID,
+		FolderID:   sentFolderID,
+		MessageUID: "uid-queue-detail",
+		MessageID:  "<queue-detail@example.test>",
+		Subject:    "queue detail",
+		From:       mb.Address,
+		To:         []string{"detail@example.test"},
+		SentAt:     now,
+		ReceivedAt: now,
+		Snippet:    "detail",
+		BodyText:   "detail",
+		IsRead:     true,
+	}
+	sentID, err := a.insertMessage(context.Background(), sentMsg, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	firstID, err := a.enqueueSend(context.Background(), sendQueueInput{
+		UserID:        user.ID,
+		MailboxID:     mb.ID,
+		SentMessageID: sentID,
+		MessageID:     "<queue-detail@example.test>",
+		Source:        sendSourceWebmail,
+		MailFrom:      mb.Address,
+		HeaderFrom:    mb.Address,
+		Recipients:    []string{"detail@example.test"},
+		MIMEBytes:     []byte("Subject: detail\r\n\r\nbody"),
+		Now:           now.Add(-2 * time.Hour),
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	secondID, err := a.enqueueSend(context.Background(), sendQueueInput{
+		UserID:     user.ID,
+		MailboxID:  mb.ID,
+		MessageID:  "<queue-other@example.test>",
+		Source:     sendSourceWebmail,
+		MailFrom:   mb.Address,
+		HeaderFrom: mb.Address,
+		Recipients: []string{"other@example.test"},
+		MIMEBytes:  []byte("Subject: other\r\n\r\nbody"),
+		Now:        now.Add(-1 * time.Hour),
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	thirdID, err := a.enqueueSend(context.Background(), sendQueueInput{
+		UserID:     user.ID,
+		MailboxID:  mb.ID,
+		MessageID:  "<queue-latest@example.test>",
+		Source:     sendSourceWebmail,
+		MailFrom:   mb.Address,
+		HeaderFrom: mb.Address,
+		Recipients: []string{"latest@example.test"},
+		MIMEBytes:  []byte("Subject: latest\r\n\r\nbody"),
+		Now:        now,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	for i := 0; i < 28; i++ {
+		if _, err := a.enqueueSend(context.Background(), sendQueueInput{
+			UserID:     user.ID,
+			MailboxID:  mb.ID,
+			MessageID:  fmt.Sprintf("<queue-extra-%02d@example.test>", i),
+			Source:     sendSourceWebmail,
+			MailFrom:   mb.Address,
+			HeaderFrom: mb.Address,
+			Recipients: []string{fmt.Sprintf("extra-%02d@example.test", i)},
+			MIMEBytes:  []byte("Subject: extra\r\n\r\nbody"),
+			Now:        now.Add(time.Duration(-24-i) * time.Hour),
+		}); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	var byMessage struct {
+		Items []SendQueueEntry `json:"items"`
+	}
+	if code := client.do("GET", "/api/mail/send-queue?messageId="+url.QueryEscape("<queue-detail@example.test>"), nil, &byMessage); code != http.StatusOK || len(byMessage.Items) != 1 || byMessage.Items[0].ID != firstID {
+		t.Fatalf("message filter code=%d items=%+v", code, byMessage.Items)
+	}
+	var byRecipient struct {
+		Items []SendQueueEntry `json:"items"`
+	}
+	if code := client.do("GET", "/api/mail/send-queue?recipient="+url.QueryEscape("other@example.test"), nil, &byRecipient); code != http.StatusOK || len(byRecipient.Items) != 1 || byRecipient.Items[0].ID != secondID {
+		t.Fatalf("recipient filter code=%d items=%+v", code, byRecipient.Items)
+	}
+	var byTime struct {
+		Items []SendQueueEntry `json:"items"`
+	}
+	from := now.Add(-90 * time.Minute).Format(time.RFC3339Nano)
+	to := now.Add(30 * time.Minute).Format(time.RFC3339Nano)
+	if code := client.do("GET", "/api/mail/send-queue?from="+url.QueryEscape(from)+"&to="+url.QueryEscape(to), nil, &byTime); code != http.StatusOK || len(byTime.Items) != 2 || byTime.Items[0].ID != thirdID || byTime.Items[1].ID != secondID {
+		t.Fatalf("time filter code=%d items=%+v", code, byTime.Items)
+	}
+	var firstPage struct {
+		Items      []SendQueueEntry `json:"items"`
+		NextCursor string           `json:"nextCursor"`
+	}
+	if code := client.do("GET", "/api/mail/send-queue?cursor=0", nil, &firstPage); code != http.StatusOK || len(firstPage.Items) != 30 || firstPage.NextCursor == "" {
+		t.Fatalf("first page code=%d cursor=%q items=%+v", code, firstPage.NextCursor, firstPage.Items)
+	}
+	if _, _, _, err := parseSendQueueCursor(firstPage.NextCursor); err != nil {
+		t.Fatalf("next cursor is not stable cursor: %q err=%v", firstPage.NextCursor, err)
+	}
+	var detail MailMessage
+	if code := client.do("GET", "/api/mail/messages/"+sentID+"?markRead=0", nil, &detail); code != http.StatusOK || detail.SendQueueID != firstID || detail.SendQueueStatus == "" {
+		t.Fatalf("message detail queue link code=%d detail=%+v", code, detail)
+	}
+}
+
 func TestSendQueueAPIRetryAndCancel(t *testing.T) {
 	a := newTestApp(t)
 	host, port, received := startCapturingSMTP(t, 1)

apps/api/internal/app/mail_handlers.go

@@ -1164,9 +1164,10 @@ func (a *App) handleSendQueue(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	status := strings.TrimSpace(r.URL.Query().Get("status"))
-	cursor, _ := strconv.Atoi(r.URL.Query().Get("cursor"))
-	if cursor < 0 {
-		cursor = 0
+	cursorCreatedAt, cursorID, offsetCursor, err := parseSendQueueCursor(r.URL.Query().Get("cursor"))
+	if err != nil {
+		badRequest(w, err)
+		return
 	}
 	limit := 30
 	args := []any{user.ID, mb.ID}
@@ -1179,9 +1180,44 @@ func (a *App) handleSendQueue(w http.ResponseWriter, r *http.Request) {
 		where += ` AND sq.status=?`
 		args = append(args, status)
 	}
-	args = append(args, limit+1, cursor)
-	rows, err := a.db.QueryContext(r.Context(), `SELECT sq.id,sq.mailbox_id,sq.sent_message_id,sq.message_id,COALESCE(m.subject,''),sq.source,sq.mail_from,sq.header_from,sq.recipients_json,sq.status,sq.attempt_count,sq.max_attempts,sq.next_attempt_at,sq.last_error,sq.created_at,sq.updated_at,sq.delivered_at
-		FROM send_queue sq JOIN mailboxes mb ON mb.id=sq.mailbox_id LEFT JOIN messages m ON m.id=sq.sent_message_id WHERE `+where+` ORDER BY sq.created_at DESC, sq.id DESC LIMIT ? OFFSET ?`, args...)
+	if messageID := strings.TrimSpace(r.URL.Query().Get("messageId")); messageID != "" {
+		where += ` AND (sq.message_id=? OR sq.sent_message_id=? OR m.message_id=?)`
+		args = append(args, messageID, messageID, messageID)
+	}
+	if recipient := normalizeEmail(r.URL.Query().Get("recipient")); recipient != "" {
+		where += ` AND sq.recipients_json LIKE ?`
+		args = append(args, "%"+recipient+"%")
+	}
+	if from := strings.TrimSpace(r.URL.Query().Get("from")); from != "" {
+		t, err := parseTimeQuery(from)
+		if err != nil {
+			badRequest(w, errors.New("invalid from time"))
+			return
+		}
+		where += ` AND sq.created_at>=?`
+		args = append(args, t.UTC().Format(time.RFC3339Nano))
+	}
+	if to := strings.TrimSpace(r.URL.Query().Get("to")); to != "" {
+		t, err := parseTimeQuery(to)
+		if err != nil {
+			badRequest(w, errors.New("invalid to time"))
+			return
+		}
+		where += ` AND sq.created_at<=?`
+		args = append(args, t.UTC().Format(time.RFC3339Nano))
+	}
+	if cursorCreatedAt != "" && cursorID != "" {
+		where += ` AND (sq.created_at < ? OR (sq.created_at = ? AND sq.id < ?))`
+		args = append(args, cursorCreatedAt, cursorCreatedAt, cursorID)
+	}
+	args = append(args, limit+1)
+	query := `SELECT sq.id,sq.mailbox_id,sq.sent_message_id,sq.message_id,COALESCE(m.subject,''),sq.source,sq.mail_from,sq.header_from,sq.recipients_json,sq.status,sq.attempt_count,sq.max_attempts,sq.next_attempt_at,sq.last_error,sq.created_at,sq.updated_at,sq.delivered_at
+		FROM send_queue sq JOIN mailboxes mb ON mb.id=sq.mailbox_id LEFT JOIN messages m ON m.id=sq.sent_message_id WHERE ` + where + ` ORDER BY sq.created_at DESC, sq.id DESC LIMIT ?`
+	if offsetCursor > 0 {
+		args = append(args, offsetCursor)
+		query += ` OFFSET ?`
+	}
+	rows, err := a.db.QueryContext(r.Context(), query, args...)
 	if err != nil {
 		respondError(w, http.StatusInternalServerError, "failed to load send queue")
 		return
@@ -1203,7 +1239,8 @@ func (a *App) handleSendQueue(w http.ResponseWriter, r *http.Request) {
 	next := ""
 	if len(items) > limit {
 		items = items[:limit]
-		next = strconv.Itoa(cursor + limit)
+		last := items[len(items)-1]
+		next = encodeSendQueueCursor(last.CreatedAt, last.ID)
 	}
 	respondJSON(w, http.StatusOK, map[string]any{"items": items, "nextCursor": next})
 }
@@ -1349,12 +1386,62 @@ func (a *App) loadSendQueueEntryForUser(ctx context.Context, id, userID string)
 	return scanSendQueueEntry(row)
 }
 
+type sendQueueCursor struct {
+	CreatedAt string `json:"createdAt"`
+	ID        string `json:"id"`
+}
+
+func encodeSendQueueCursor(createdAt time.Time, id string) string {
+	payload, _ := json.Marshal(sendQueueCursor{CreatedAt: createdAt.UTC().Format(time.RFC3339Nano), ID: id})
+	return base64.RawURLEncoding.EncodeToString(payload)
+}
+
+func parseSendQueueCursor(raw string) (createdAt string, id string, offset int, err error) {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return "", "", 0, nil
+	}
+	if n, convErr := strconv.Atoi(raw); convErr == nil {
+		if n < 0 {
+			return "", "", 0, errors.New("invalid cursor")
+		}
+		return "", "", n, nil
+	}
+	data, decodeErr := base64.RawURLEncoding.DecodeString(raw)
+	if decodeErr != nil {
+		return "", "", 0, errors.New("invalid cursor")
+	}
+	var cursor sendQueueCursor
+	if err := json.Unmarshal(data, &cursor); err != nil {
+		return "", "", 0, errors.New("invalid cursor")
+	}
+	t, err := parseTimeQuery(cursor.CreatedAt)
+	if err != nil || strings.TrimSpace(cursor.ID) == "" {
+		return "", "", 0, errors.New("invalid cursor")
+	}
+	return t.UTC().Format(time.RFC3339Nano), strings.TrimSpace(cursor.ID), 0, nil
+}
+
 func (a *App) sendQueueBelongsToUser(ctx context.Context, id, userID string) bool {
 	var count int
 	_ = a.db.QueryRowContext(ctx, `SELECT COUNT(1) FROM send_queue sq JOIN mailboxes mb ON mb.id=sq.mailbox_id WHERE sq.id=? AND mb.user_id=?`, id, userID).Scan(&count)
 	return count > 0
 }
 
+func parseTimeQuery(raw string) (time.Time, error) {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return time.Time{}, errors.New("time is required")
+	}
+	if t, err := time.Parse(time.RFC3339Nano, raw); err == nil {
+		return t, nil
+	}
+	if t, err := time.Parse("2006-01-02", raw); err == nil {
+		return t, nil
+	}
+	return time.Time{}, errors.New("invalid time")
+}
+
 func validSendQueueStatus(status string) bool {
 	switch status {
 	case sendQueueStatusQueued, sendQueueStatusSending, sendQueueStatusDelivered, sendQueueStatusFailed, sendQueueStatusCanceled:
@@ -1915,6 +2002,9 @@ func (a *App) messageByID(ctx context.Context, id string, includeBody bool) (*Ma
 		return nil, err
 	}
 	msg.Labels = labels
+	if includeBody {
+		_ = a.db.QueryRowContext(ctx, `SELECT id,status FROM send_queue WHERE sent_message_id=? ORDER BY created_at DESC,id DESC LIMIT 1`, id).Scan(&msg.SendQueueID, &msg.SendQueueStatus)
+	}
 	return &msg, nil
 }
 

apps/api/internal/app/types.go

@@ -77,35 +77,37 @@ type MailLabel struct {
 }
 
 type MailMessage struct {
-	ID             string             `json:"id"`
-	MailboxID      string             `json:"mailboxId,omitempty"`
-	MailboxAddress string             `json:"mailboxAddress,omitempty"`
-	OwnerEmail     string             `json:"ownerEmail,omitempty"`
-	RecipientAddr  string             `json:"recipientAddress,omitempty"`
-	FolderID       string             `json:"folderId"`
-	Folder         string             `json:"folder"`
-	MessageUID     string             `json:"messageUid"`
-	IMAPUID        int64              `json:"imapUid"`
-	IMAPModSeq     int64              `json:"imapModseq"`
-	MessageID      string             `json:"messageId"`
-	Subject        string             `json:"subject"`
-	From           string             `json:"from"`
-	FromName       string             `json:"fromName,omitempty"`
-	To             []string           `json:"to"`
-	CC             []string           `json:"cc"`
-	BCC            []string           `json:"bcc,omitempty"`
-	SentAt         time.Time          `json:"sentAt"`
-	ReceivedAt     time.Time          `json:"receivedAt"`
-	Snippet        string             `json:"snippet"`
-	BodyText       string             `json:"bodyText,omitempty"`
-	BodyHTML       string             `json:"bodyHtml,omitempty"`
-	IsRead         bool               `json:"isRead"`
-	IsStarred      bool               `json:"isStarred"`
-	HasAttachments bool               `json:"hasAttachments"`
-	SizeBytes      int64              `json:"sizeBytes"`
-	Labels         []MailLabel        `json:"labels,omitempty"`
-	Attachments    []Attachment       `json:"attachments,omitempty"`
-	Authentication MailAuthentication `json:"authentication"`
+	ID              string             `json:"id"`
+	MailboxID       string             `json:"mailboxId,omitempty"`
+	MailboxAddress  string             `json:"mailboxAddress,omitempty"`
+	OwnerEmail      string             `json:"ownerEmail,omitempty"`
+	RecipientAddr   string             `json:"recipientAddress,omitempty"`
+	FolderID        string             `json:"folderId"`
+	Folder          string             `json:"folder"`
+	MessageUID      string             `json:"messageUid"`
+	IMAPUID         int64              `json:"imapUid"`
+	IMAPModSeq      int64              `json:"imapModseq"`
+	MessageID       string             `json:"messageId"`
+	Subject         string             `json:"subject"`
+	From            string             `json:"from"`
+	FromName        string             `json:"fromName,omitempty"`
+	To              []string           `json:"to"`
+	CC              []string           `json:"cc"`
+	BCC             []string           `json:"bcc,omitempty"`
+	SentAt          time.Time          `json:"sentAt"`
+	ReceivedAt      time.Time          `json:"receivedAt"`
+	Snippet         string             `json:"snippet"`
+	BodyText        string             `json:"bodyText,omitempty"`
+	BodyHTML        string             `json:"bodyHtml,omitempty"`
+	IsRead          bool               `json:"isRead"`
+	IsStarred       bool               `json:"isStarred"`
+	HasAttachments  bool               `json:"hasAttachments"`
+	SizeBytes       int64              `json:"sizeBytes"`
+	Labels          []MailLabel        `json:"labels,omitempty"`
+	Attachments     []Attachment       `json:"attachments,omitempty"`
+	Authentication  MailAuthentication `json:"authentication"`
+	SendQueueID     string             `json:"sendQueueId,omitempty"`
+	SendQueueStatus string             `json:"sendQueueStatus,omitempty"`
 }
 
 type MailAuthentication struct {

apps/web/src/lib/api-types.ts

@@ -62,6 +62,8 @@ export type MailLabel = { id: string; mailboxId?: string; name: string; color: s
 export type MailMessage = {
   id: string; mailboxId?: string; mailboxAddress?: string; ownerEmail?: string; recipientAddress?: string; folderId: string; folder: string; messageUid: string; imapUid: number; imapModseq: number; messageId: string; subject: string; from: string; fromName?: string; to: string[]; cc: string[]; bcc?: string[]; sentAt: string; receivedAt: string; snippet: string; bodyText?: string; bodyHtml?: string; isRead: boolean; isStarred: boolean; hasAttachments: boolean; sizeBytes: number; attachments?: Attachment[]
   labels?: MailLabel[]
+  sendQueueId?: string
+  sendQueueStatus?: SendQueueStatus
 }
 export type DNSRecord = { type: string; name: string; value: string; ttl: number }
 export type DNSCheckResult = { domain: string; status: string; checks: Record<string, { ok: boolean; message: string; found?: string[] }> }

apps/web/src/lib/api.ts

@@ -151,11 +151,15 @@ export const api = {
   scheduledSends: (mailboxId?: string) => request<ListResponse<ScheduledSend>>(`/api/mail/scheduled-sends${mailboxId ? `?mailboxId=${encodeURIComponent(mailboxId)}` : ""}`),
   scheduleSend: (payload: ScheduleSendPayload) => request<ScheduledSend>("/api/mail/schedule-send", { method: "POST", body: JSON.stringify(payload), timeoutMs: MAIL_DELIVERY_TIMEOUT_MS }),
   cancelScheduledSend: (id: string) => request<{ ok: boolean }>(`/api/mail/schedule-send/${id}`, { method: "DELETE" }),
-  sendQueue: (params: { mailboxId?: string; status?: SendQueueStatus | "all"; cursor?: string } = {}) => {
+  sendQueue: (params: { mailboxId?: string; status?: SendQueueStatus | "all"; cursor?: string; messageId?: string; recipient?: string; from?: string; to?: string } = {}) => {
     const query = new URLSearchParams()
     if (params.mailboxId) query.set("mailboxId", params.mailboxId)
     if (params.status && params.status !== "all") query.set("status", params.status)
     if (params.cursor) query.set("cursor", params.cursor)
+    if (params.messageId) query.set("messageId", params.messageId)
+    if (params.recipient) query.set("recipient", params.recipient)
+    if (params.from) query.set("from", params.from)
+    if (params.to) query.set("to", params.to)
     const suffix = query.toString()
     return request<ListResponse<SendQueueItem>>(`/api/mail/send-queue${suffix ? `?${suffix}` : ""}`)
   },

apps/web/src/pages/mail.tsx

@@ -108,6 +108,10 @@ export function MailPage() {
   const [pendingConfirm, setPendingConfirm] = React.useState<PendingConfirm | null>(null)
   const [cancelingScheduledId, setCancelingScheduledId] = React.useState("")
   const [sendQueueStatus, setSendQueueStatus] = React.useState<SendQueueStatus | "all">("all")
+  const [sendQueueMessageId, setSendQueueMessageId] = React.useState("")
+  const [sendQueueRecipient, setSendQueueRecipient] = React.useState("")
+  const [sendQueueFrom, setSendQueueFrom] = React.useState("")
+  const [sendQueueTo, setSendQueueTo] = React.useState("")
   const [sendQueueAuditId, setSendQueueAuditId] = React.useState("")
   const [sendQueuePendingId, setSendQueuePendingId] = React.useState("")
   const [mobileSidebarOpen, setMobileSidebarOpen] = React.useState(false)
@@ -143,7 +147,12 @@ export function MailPage() {
   const mailStats = useQuery({ queryKey: ["mail-stats", activeMailboxId], queryFn: () => api.mailStats(activeMailboxId), enabled: !!activeMailboxId && hasPermission(user, "mail.stats.view") })
   const scheduledSends = useQuery({ queryKey: ["scheduled-sends", activeMailboxId], queryFn: () => api.scheduledSends(activeMailboxId), enabled: !!activeMailboxId && canScheduleMail, refetchInterval: 30000 })
   const canViewSendQueue = canReadMail
-  const sendQueue = useQuery({ queryKey: ["send-queue", activeMailboxId, sendQueueStatus], queryFn: () => api.sendQueue({ mailboxId: activeMailboxId, status: sendQueueStatus }), enabled: !!activeMailboxId && canViewSendQueue, refetchInterval: 15000 })
+  const sendQueue = useQuery({
+    queryKey: ["send-queue", activeMailboxId, sendQueueStatus, sendQueueMessageId, sendQueueRecipient, sendQueueFrom, sendQueueTo],
+    queryFn: () => api.sendQueue({ mailboxId: activeMailboxId, status: sendQueueStatus, messageId: sendQueueMessageId.trim(), recipient: sendQueueRecipient.trim(), from: datetimeLocalToISO(sendQueueFrom), to: datetimeLocalToISO(sendQueueTo) }),
+    enabled: !!activeMailboxId && canViewSendQueue,
+    refetchInterval: 15000,
+  })
   const sendQueueAudit = useQuery({ queryKey: ["send-queue-audit", sendQueueAuditId], queryFn: () => api.sendQueueAudit(sendQueueAuditId), enabled: !!sendQueueAuditId && canViewSendQueue })
   const mailRefreshInterval = publicSettings.data?.mailAutoRefresh ? Math.max(publicSettings.data.mailRefreshMs || 30000, 5000) : false
   const inboxProbe = useQuery({
@@ -530,10 +539,7 @@ export function MailPage() {
     : scheduledItems
   const sendQueueItems = sendQueue.data?.items || []
   const sendQueueCount = sendQueueItems.filter((item) => item.status === "failed" || item.status === "queued" || item.status === "sending").length
-  const sendQueueQuery = query.trim().toLowerCase()
-  const visibleSendQueueItems = sendQueueQuery
-    ? sendQueueItems.filter((item) => [item.subject, item.source, item.lastError, item.error, item.failureReason, ...(item.recipients || [])].join(" ").toLowerCase().includes(sendQueueQuery))
-    : sendQueueItems
+  const visibleSendQueueItems = sendQueueItems
   const mailMenuItems = buildMailMenuItems(folders.data?.items || [], starredCount, canScheduleMail ? scheduledCount : 0, canScheduleMail, canViewSendQueue ? sendQueueCount : 0, canViewSendQueue)
   const labelItems = labels.data?.items || []
   const selectedLabel = labelItems.find((item) => item.id === selectedLabelId)
@@ -837,6 +843,10 @@ export function MailPage() {
     setMailFilter("all")
     setMobileSidebarOpen(false)
   }
+  function openMessageSendTimeline(message: MailMessage) {
+    if (!message.sendQueueId) return
+    setSendQueueAuditId(message.sendQueueId)
+  }
   function openLabel(labelId: string) {
     setSelectedLabelId(labelId)
     setMailView("label")
@@ -1077,10 +1087,18 @@ export function MailPage() {
       items={visibleSendQueueItems}
       total={sendQueueItems.length}
       loading={sendQueue.isLoading}
-      query={query}
       status={sendQueueStatus}
+      messageId={sendQueueMessageId}
+      recipient={sendQueueRecipient}
+      from={sendQueueFrom}
+      to={sendQueueTo}
       pendingId={sendQueuePendingId}
       onStatusChange={setSendQueueStatus}
+      onMessageIdChange={setSendQueueMessageId}
+      onRecipientChange={setSendQueueRecipient}
+      onFromChange={setSendQueueFrom}
+      onToChange={setSendQueueTo}
+      onClearFilters={() => { setSendQueueMessageId(""); setSendQueueRecipient(""); setSendQueueFrom(""); setSendQueueTo(""); setSendQueueStatus("all") }}
       onRetry={(item) => retrySendQueue.mutate(item)}
       onCancel={(item) => cancelSendQueue.mutate(item)}
       onAudit={(item) => setSendQueueAuditId(item.id)}
@@ -1115,6 +1133,7 @@ export function MailPage() {
       onStar={(message) => star.mutate({ id: message.id, starred: !message.isStarred })}
       onReply={openReply}
       onForward={openForward}
+      onSendTimeline={openMessageSendTimeline}
       onArchive={(message) => move.mutate({ id: message.id, folder: message.folder === "Archive" ? "Inbox" : "Archive" })}
       onDelete={confirmDeleteMessage}
       onToggleRead={(message) => markRead.mutate({ id: message.id, read: !message.isRead })}
@@ -1169,6 +1188,7 @@ export function MailPage() {
                 <div className="flex flex-wrap justify-end gap-2">
                   {canSendMail && <Button variant="outline" size="sm" onClick={() => openReply(selected)}><Reply className="h-4 w-4" />回复</Button>}
                   {canSendMail && <Button variant="outline" size="sm" onClick={() => openForward(selected)}><Forward className="h-4 w-4" />转发</Button>}
+                  {selected.sendQueueId && <Button variant="outline" size="sm" onClick={() => openMessageSendTimeline(selected)}><History className="h-4 w-4" />投递时间线</Button>}
                   {canOrganizeMail && (selected.folder === "Archive" ? (
                     <Button variant="outline" size="sm" onClick={() => move.mutate({ id: selected.id, folder: "Inbox" })}>取消归档</Button>
                   ) : (
@@ -1563,10 +1583,18 @@ function SendQueueView({
   items,
   total,
   loading,
-  query,
   status,
+  messageId,
+  recipient,
+  from,
+  to,
   pendingId,
   onStatusChange,
+  onMessageIdChange,
+  onRecipientChange,
+  onFromChange,
+  onToChange,
+  onClearFilters,
   onRetry,
   onCancel,
   onAudit,
@@ -1576,31 +1604,49 @@ function SendQueueView({
   items: SendQueueItem[]
   total: number
   loading: boolean
-  query: string
   status: SendQueueStatus | "all"
+  messageId: string
+  recipient: string
+  from: string
+  to: string
   pendingId: string
   onStatusChange: (status: SendQueueStatus | "all") => void
+  onMessageIdChange: (value: string) => void
+  onRecipientChange: (value: string) => void
+  onFromChange: (value: string) => void
+  onToChange: (value: string) => void
+  onClearFilters: () => void
   onRetry: (item: SendQueueItem) => void
   onCancel: (item: SendQueueItem) => void
   onAudit: (item: SendQueueItem) => void
   canMutate: boolean
 }) {
-  const empty = query.trim() ? "当前搜索没有匹配的发送任务" : "发送队列为空"
+  const hasFilters = status !== "all" || messageId.trim() || recipient.trim() || from || to
+  const empty = hasFilters ? "当前筛选没有匹配的发送任务" : "发送队列为空"
   return (
     <div className="flex min-h-0 flex-1 flex-col bg-background">
-      <div className={cn("flex shrink-0 items-center justify-between gap-3 border-b", compact ? "min-h-12 px-4 py-2" : "h-14 px-5")}>
-        <div className="min-w-0">
-          <div className="flex items-center gap-2 text-sm font-semibold"><History className="h-4 w-4" />发送队列</div>
-          <div className="text-xs text-muted-foreground">{items.length} / {total} 个发送任务</div>
+      <div className={cn("shrink-0 space-y-3 border-b", compact ? "px-4 py-3" : "px-5 py-4")}>
+        <div className="flex items-center justify-between gap-3">
+          <div className="min-w-0">
+            <div className="flex items-center gap-2 text-sm font-semibold"><History className="h-4 w-4" />发送队列</div>
+            <div className="text-xs text-muted-foreground">{items.length} / {total} 个发送任务</div>
+          </div>
+          <Select value={status} onValueChange={(value) => onStatusChange(value as SendQueueStatus | "all")}>
+            <SelectTrigger className="h-9 w-[132px]">
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              {sendQueueStatusOptions.map((item) => <SelectItem key={item.value} value={item.value}>{item.label}</SelectItem>)}
+            </SelectContent>
+          </Select>
+        </div>
+        <div className={cn("grid gap-2", compact ? "grid-cols-1" : "grid-cols-[minmax(0,1.2fr)_minmax(0,1fr)_160px_160px_auto]")}>
+          <Input value={messageId} onChange={(event) => onMessageIdChange(event.target.value)} placeholder="Message-ID" className="h-9" />
+          <Input value={recipient} onChange={(event) => onRecipientChange(event.target.value)} placeholder="收件人" className="h-9" />
+          <Input type="datetime-local" value={from} onChange={(event) => onFromChange(event.target.value)} className="h-9" />
+          <Input type="datetime-local" value={to} onChange={(event) => onToChange(event.target.value)} className="h-9" />
+          <Button type="button" variant="outline" size="sm" className="h-9" disabled={!hasFilters} onClick={onClearFilters}>清除</Button>
         </div>
-        <Select value={status} onValueChange={(value) => onStatusChange(value as SendQueueStatus | "all")}>
-          <SelectTrigger className="h-9 w-[132px]">
-            <SelectValue />
-          </SelectTrigger>
-          <SelectContent>
-            {sendQueueStatusOptions.map((item) => <SelectItem key={item.value} value={item.value}>{item.label}</SelectItem>)}
-          </SelectContent>
-        </Select>
       </div>
       <ScrollArea className="min-h-0 flex-1">
         {loading && <ScheduledSendSkeleton />}
@@ -1723,6 +1769,12 @@ function sendQueueSourceLabel(source: string) {
   return source || "未知"
 }
 
+function datetimeLocalToISO(value: string) {
+  if (!value) return ""
+  const date = new Date(value)
+  return Number.isNaN(date.getTime()) ? "" : date.toISOString()
+}
+
 type BulkAction = "read" | "unread" | "star" | "unstar" | "archive" | "trash" | "spam" | "delete"
 
 function BulkActionMenu({ pending, onAction }: { pending: boolean; onAction: (action: BulkAction) => void }) {
@@ -1995,6 +2047,7 @@ function CompactMailView({
   onStar,
   onReply,
   onForward,
+  onSendTimeline,
   onArchive,
   onDelete,
   onToggleRead,
@@ -2033,6 +2086,7 @@ function CompactMailView({
   onStar: (message: MailMessage) => void
   onReply: (message: MailMessage) => void
   onForward: (message: MailMessage) => void
+  onSendTimeline: (message: MailMessage) => void
   onArchive: (message: MailMessage) => void
   onDelete: (message: MailMessage) => void
   onToggleRead: (message: MailMessage) => void
@@ -2064,6 +2118,7 @@ function CompactMailView({
         onStar={onStar}
         onReply={onReply}
         onForward={onForward}
+        onSendTimeline={onSendTimeline}
         onArchive={onArchive}
         onDelete={onDelete}
         onToggleRead={onToggleRead}
@@ -2126,6 +2181,7 @@ function CompactMessageDetail({
   onStar,
   onReply,
   onForward,
+  onSendTimeline,
   onArchive,
   onDelete,
   onToggleRead,
@@ -2147,6 +2203,7 @@ function CompactMessageDetail({
   onStar: (message: MailMessage) => void
   onReply: (message: MailMessage) => void
   onForward: (message: MailMessage) => void
+  onSendTimeline: (message: MailMessage) => void
   onArchive: (message: MailMessage) => void
   onDelete: (message: MailMessage) => void
   onToggleRead: (message: MailMessage) => void
@@ -2185,6 +2242,7 @@ function CompactMessageDetail({
                   <>
                     {canSend && <DropdownMenuItem onSelect={() => onReply(selected)}><Reply className="h-4 w-4" />回复</DropdownMenuItem>}
                     {canSend && <DropdownMenuItem onSelect={() => onForward(selected)}><Forward className="h-4 w-4" />转发</DropdownMenuItem>}
+                    {selected.sendQueueId && <DropdownMenuItem onSelect={() => onSendTimeline(selected)}><History className="h-4 w-4" />投递时间线</DropdownMenuItem>}
                     {canOrganize && <DropdownMenuItem onSelect={() => onArchive(selected)}><Archive className="h-4 w-4" />{selected.folder === "Archive" ? "取消归档" : "归档"}</DropdownMenuItem>}
                     {canOrganize && <DropdownMenuItem onSelect={() => onToggleRead(selected)}><MailCheck className="h-4 w-4" />{selected.isRead ? "标为未读" : "标为已读"}</DropdownMenuItem>}
                     {canOrganize && <DropdownMenuItem onSelect={() => onStar(selected)}><Star className={cn("h-4 w-4", selected.isStarred && "fill-yellow-400 text-yellow-500")} />{selected.isStarred ? "取消星标" : "添加星标"}</DropdownMenuItem>}
@@ -2204,6 +2262,7 @@ function CompactMessageDetail({
               <>
                 {selected && canSend && <Button variant="outline" size="sm" onClick={() => onReply(selected)}><Reply className="h-4 w-4" />回复</Button>}
                 {selected && canSend && <Button variant="outline" size="sm" onClick={() => onForward(selected)}><Forward className="h-4 w-4" />转发</Button>}
+                {selected?.sendQueueId && <Button variant="outline" size="sm" onClick={() => onSendTimeline(selected)}><History className="h-4 w-4" />投递时间线</Button>}
                 {selected && canOrganize && <Button variant="outline" size="sm" onClick={() => onArchive(selected)}>{selected.folder === "Archive" ? "取消归档" : "归档"}</Button>}
                 {selected && canOrganize && <Button variant="outline" size="sm" onClick={() => onToggleRead(selected)}><MailCheck className="h-4 w-4" />{selected.isRead ? "标为未读" : "标为已读"}</Button>}
                 {selected && canOrganize && <Button variant="outline" size="sm" onClick={() => onStar(selected)}><Star className={cn("h-4 w-4", selected.isStarred && "fill-yellow-400 text-yellow-500")} />{selected.isStarred ? "取消星标" : "添加星标"}</Button>}