fix today memory after restart

internal/memos/client.go

@@ -67,6 +67,34 @@ func (c *Client) ListMemos(ctx context.Context, filter string, pageSize int, pag
 	return &result, nil
 }
 
+// GetMemo fetches a single memo by its resource name (e.g. "memos/123").
+func (c *Client) GetMemo(ctx context.Context, name string) (*Memo, error) {
+	reqURL := fmt.Sprintf("%s/api/v1/%s", c.baseURL, name)
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, reqURL, http.NoBody)
+	if err != nil {
+		return nil, fmt.Errorf("create request: %w", err)
+	}
+	req.Header.Set("Authorization", "Bearer "+c.token)
+
+	resp, err := c.httpClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("do request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		return nil, fmt.Errorf("memos API returned %d: %s", resp.StatusCode, body)
+	}
+
+	var memo Memo
+	if err := json.NewDecoder(resp.Body).Decode(&memo); err != nil {
+		return nil, fmt.Errorf("decode memo: %w", err)
+	}
+	return &memo, nil
+}
+
 // DownloadAttachment downloads the attachment data as bytes.
 func (c *Client) DownloadAttachment(ctx context.Context, att Attachment) ([]byte, error) {
 	var reqURL string