584 lines
24 KiB
C#
584 lines
24 KiB
C#
using Microsoft.Web.WebView2.Core;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Net.Http;
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using System.Runtime.CompilerServices;
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using System.Text.Json;
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using System.Threading.Tasks;
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using System.Windows;
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namespace ClaudeCheckerWindows;
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public class UsageViewModel : INotifyPropertyChanged
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{
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private static readonly JsonSerializerOptions JsonOpts = new() { PropertyNameCaseInsensitive = true };
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private List<AgentLimit> _limits = [];
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private bool _isLoading;
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private string? _errorMessage;
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private bool _isSignedIn;
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private string _userEmail = "";
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private string _planLabel = "Claude";
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private DateTime? _lastUpdated;
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private OverageSpendLimit? _overage;
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private PrepaidCredits? _prepaid;
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private ExtraUsage? _extraUsage;
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private readonly Dictionary<string, List<double>> _burnHistory = [];
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private const int MaxHistorySamples = 24;
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public List<AgentLimit> Limits { get => _limits; set => Set(ref _limits, value); }
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public bool IsLoading { get => _isLoading; set => Set(ref _isLoading, value); }
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public string? ErrorMessage { get => _errorMessage; set => Set(ref _errorMessage, value); }
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public bool IsSignedIn { get => _isSignedIn; set => Set(ref _isSignedIn, value); }
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public string UserEmail { get => _userEmail; set => Set(ref _userEmail, value); }
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public string PlanLabel { get => _planLabel; set => Set(ref _planLabel, value); }
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public DateTime? LastUpdated { get => _lastUpdated; set => Set(ref _lastUpdated, value); }
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public OverageSpendLimit? Overage { get => _overage; set => Set(ref _overage, value); }
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public PrepaidCredits? Prepaid { get => _prepaid; set => Set(ref _prepaid, value); }
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public ExtraUsage? ExtraUsage { get => _extraUsage; set => Set(ref _extraUsage, value); }
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private int _refreshInterval = 120;
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public int RefreshInterval
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{
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get => _refreshInterval;
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set
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{
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Set(ref _refreshInterval, value);
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AppSettings.Default.RefreshInterval = value;
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AppSettings.Default.Save();
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}
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}
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private bool _showInTaskbar = true;
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public bool ShowInTaskbar
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{
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get => _showInTaskbar;
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set
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{
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Set(ref _showInTaskbar, value);
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AppSettings.Default.ShowInTaskbar = value;
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AppSettings.Default.Save();
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}
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}
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public UsageViewModel()
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{
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_refreshInterval = AppSettings.Default.RefreshInterval > 0
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? AppSettings.Default.RefreshInterval : 120;
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_showInTaskbar = AppSettings.Default.ShowInTaskbar;
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LoadBurnHistory();
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LoadPlaceholders();
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}
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public async Task RefreshAsync()
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{
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await Application.Current.Dispatcher.InvokeAsync(() => IsLoading = true);
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try
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{
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var cookies = await GetCookiesAsync();
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// Check if we have any persistent proof that the user authenticated
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bool hasCookies = cookies.Count > 0;
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bool hasCachedAuth = !string.IsNullOrEmpty(AppSettings.Default.Email) ||
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!string.IsNullOrEmpty(AppSettings.Default.OrgId);
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if (!hasCookies && !hasCachedAuth)
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{
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await Application.Current.Dispatcher.InvokeAsync(() =>
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{
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IsSignedIn = false;
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ErrorMessage = "Not signed in — click Sign In to authenticate.";
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IsLoading = false;
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});
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return;
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}
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// HttpClient refresh — WebView2 is NOT used here to avoid spawning a heavy
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// browser process every refresh cycle (causes memory accumulation).
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// SaveAndClose at login time is responsible for fetching live data via WebView2.
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List<AgentLimit> limits = [];
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OverageSpendLimit? overage = null;
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PrepaidCredits? prepaid = null;
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ExtraUsage? extraUsage = null;
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string? email = null, orgId = null, planLabel = null;
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string? refreshError = null;
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if (hasCookies)
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{
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try
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{
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(limits, overage, prepaid, extraUsage, email, orgId, planLabel, _) =
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await TryHttpRefreshAsync(cookies);
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}
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catch (Exception ex)
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{
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refreshError = ex.Message;
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bool authFailed = ex.Message.Contains("re-authenticate");
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if (authFailed)
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{
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await Application.Current.Dispatcher.InvokeAsync(() =>
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{
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IsSignedIn = false;
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ErrorMessage = ex.Message;
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IsLoading = false;
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});
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return;
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}
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}
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}
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// Fill in any blanks from cached values saved at login time
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if (string.IsNullOrEmpty(email)) email = AppSettings.Default.Email;
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if (string.IsNullOrEmpty(orgId)) orgId = AppSettings.Default.OrgId;
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if (limits.Count == 0 && !string.IsNullOrEmpty(AppSettings.Default.UsageJson))
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{
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try
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{
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var cached = System.Text.Json.JsonSerializer.Deserialize<UsageResponse>(
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AppSettings.Default.UsageJson, JsonOpts);
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limits = BuildLimits(cached);
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}
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catch { }
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}
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foreach (var limit in limits)
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{
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var key = limit.Window.ToString();
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if (!_burnHistory.ContainsKey(key)) _burnHistory[key] = [];
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_burnHistory[key].Add(limit.UsedPercent);
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if (_burnHistory[key].Count > MaxHistorySamples)
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_burnHistory[key].RemoveAt(0);
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limit.BurnHistory = [.. _burnHistory[key]];
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}
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SaveBurnHistory();
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await Application.Current.Dispatcher.InvokeAsync(() =>
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{
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if (limits.Count > 0) { Limits = limits; Overage = overage; Prepaid = prepaid; ExtraUsage = extraUsage; }
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if (!string.IsNullOrEmpty(planLabel)) PlanLabel = planLabel;
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if (!string.IsNullOrEmpty(email)) UserEmail = email;
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IsSignedIn = true;
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ErrorMessage = refreshError;
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LastUpdated = DateTime.Now;
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IsLoading = false;
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});
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}
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catch (Exception ex)
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{
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await Application.Current.Dispatcher.InvokeAsync(() =>
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{
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ErrorMessage = ex.Message;
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IsLoading = false;
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});
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}
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}
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private async Task<(List<AgentLimit>, OverageSpendLimit?, PrepaidCredits?, ExtraUsage?, string?, string?, string?, bool)>
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TryHttpRefreshAsync(List<(string Name, string Value, string Domain, string Path)> cookies)
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{
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try
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{
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using var http = BuildClient(cookies);
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var bootstrapResp = await http.GetAsync("https://claude.ai/api/bootstrap");
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if ((int)bootstrapResp.StatusCode is 401 or 403)
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throw new Exception("Session expired — please re-authenticate.");
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if (!bootstrapResp.IsSuccessStatusCode)
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throw new Exception($"Bootstrap failed ({(int)bootstrapResp.StatusCode}).");
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var (email, orgId, planLabel) = ParseBootstrap(await bootstrapResp.Content.ReadAsStringAsync());
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if (string.IsNullOrEmpty(orgId))
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orgId = await FetchOrgIdFromListAsync(http);
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if (string.IsNullOrEmpty(orgId) && !string.IsNullOrEmpty(AppSettings.Default.OrgId))
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orgId = AppSettings.Default.OrgId;
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if (string.IsNullOrEmpty(orgId))
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return ([], null, null, null, email, orgId, planLabel, true);
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AppSettings.Default.OrgId = orgId;
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AppSettings.Default.Save();
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var usageUrl = $"https://claude.ai/api/organizations/{orgId}/usage";
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var ut = http.GetAsync(usageUrl);
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var ot = FetchAsync<OverageSpendLimit>(http, $"https://claude.ai/api/organizations/{orgId}/overage_spend_limit");
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var pt = FetchAsync<PrepaidCredits>(http, $"https://claude.ai/api/organizations/{orgId}/prepaid/credits");
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await Task.WhenAll(ut, ot, pt);
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var usageResp = ut.Result;
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if (!usageResp.IsSuccessStatusCode)
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throw new Exception($"Usage fetch failed ({(int)usageResp.StatusCode}).");
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var usageJson = await usageResp.Content.ReadAsStringAsync();
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var usage = JsonSerializer.Deserialize<UsageResponse>(usageJson, JsonOpts);
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// Persist fresh usage so cache reflects live data
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AppSettings.Default.UsageJson = usageJson;
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AppSettings.Default.Save();
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return (BuildLimits(usage), ot.Result, pt.Result, usage?.ExtraUsage, email, orgId, planLabel, true);
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}
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catch { throw; }
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}
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private static async Task<(List<AgentLimit>, string?, string?)> TryWebView2RefreshAsync()
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{
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try
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{
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const string script = @"(async()=>{try{
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const h={headers:{accept:'application/json'}};
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const b=await(await fetch('/api/bootstrap',h)).json();
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let id=b?.account?.memberships?.[0]?.organization?.uuid
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||b?.memberships?.[0]?.organization?.uuid||b?.organizations?.[0]?.uuid
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||b?.default_organization?.uuid||null;
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const em=b?.account?.email_address||b?.account?.email||b?.email||null;
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if(!id){
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try{const ol=await(await fetch('/api/organizations',h)).json();
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if(Array.isArray(ol)&&ol.length>0)id=ol[0]?.uuid||null;}catch(e2){}
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}
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if(!id){
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let pu=null;
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try{pu=await(await fetch('/api/usage',h)).json();}catch(e3){}
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window.chrome.webview.postMessage({email:em,orgId:null,usage:(pu&&!pu.error?pu:null)});
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return;
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}
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const u=await(await fetch('/api/organizations/'+id+'/usage',h)).json();
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window.chrome.webview.postMessage({email:em,orgId:id,usage:u});
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}catch(ex){window.chrome.webview.postMessage(null);}})();";
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var resultJson = await Application.Current.Dispatcher.InvokeAsync(async () =>
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{
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var host = new WebViewFetchWindow();
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host.Show();
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try { return await host.FetchAsync("https://claude.ai", script); }
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finally { host.Close(); }
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}).Task.Unwrap();
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if (resultJson == null || resultJson == "null") return ([], null, null);
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using var doc = System.Text.Json.JsonDocument.Parse(resultJson);
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var root = doc.RootElement;
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string? email = root.TryGetProperty("email", out var em) && em.ValueKind == System.Text.Json.JsonValueKind.String
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? em.GetString() : null;
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string? orgId = root.TryGetProperty("orgId", out var oi) && oi.ValueKind == System.Text.Json.JsonValueKind.String
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? oi.GetString() : null;
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List<AgentLimit> limits = [];
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if (root.TryGetProperty("usage", out var us) && us.ValueKind == System.Text.Json.JsonValueKind.Object)
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{
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var usage = System.Text.Json.JsonSerializer.Deserialize<UsageResponse>(
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us.GetRawText(), new System.Text.Json.JsonSerializerOptions { PropertyNameCaseInsensitive = true });
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limits = BuildLimits(usage);
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// Cache for next time
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AppSettings.Default.UsageJson = us.GetRawText();
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if (!string.IsNullOrEmpty(orgId)) AppSettings.Default.OrgId = orgId;
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if (!string.IsNullOrEmpty(email)) AppSettings.Default.Email = email;
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AppSettings.Default.Save();
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}
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return (limits, email, orgId);
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}
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catch { return ([], null, null); }
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}
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public async Task LoadFromCacheAsync()
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{
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var email = AppSettings.Default.Email;
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var orgId = AppSettings.Default.OrgId;
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var cookie = AppSettings.Default.CookieStore;
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bool isAuth = !string.IsNullOrEmpty(email) || !string.IsNullOrEmpty(orgId)
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|| !string.IsNullOrEmpty(cookie);
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if (!isAuth) return;
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List<AgentLimit> limits = [];
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if (!string.IsNullOrEmpty(AppSettings.Default.UsageJson))
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{
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try
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{
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var cached = JsonSerializer.Deserialize<UsageResponse>(
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AppSettings.Default.UsageJson, JsonOpts);
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limits = BuildLimits(cached);
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}
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catch { }
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}
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await Application.Current.Dispatcher.InvokeAsync(() =>
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{
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if (!string.IsNullOrEmpty(email)) UserEmail = email;
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// Always show cards — real data if available, placeholders if not
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Limits = limits.Count > 0 ? limits : LoadPlaceholderLimits();
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IsSignedIn = true;
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ErrorMessage = null;
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LastUpdated = limits.Count > 0 ? DateTime.Now : LastUpdated;
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});
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}
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public async Task SignOutAsync()
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{
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AppSettings.Default.CookieStore = "";
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AppSettings.Default.OrgId = "";
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AppSettings.Default.Email = "";
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AppSettings.Default.UsageJson = "";
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AppSettings.Default.Save();
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await Application.Current.Dispatcher.InvokeAsync(() =>
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{
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IsSignedIn = false;
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UserEmail = "";
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ErrorMessage = "Signed out.";
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Limits = [];
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});
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}
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public static async Task<List<(string Name, string Value, string Domain, string Path)>> GetCookiesAsync()
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{
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var raw = AppSettings.Default.CookieStore;
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if (string.IsNullOrEmpty(raw)) return [];
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try
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{
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return JsonSerializer.Deserialize<List<CookieEntry>>(raw)
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?.Select(c => (c.Name, c.Value, c.Domain, c.Path))
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.ToList() ?? [];
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}
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catch { return []; }
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}
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public static void SaveCookies(IEnumerable<CoreWebView2Cookie> cookies)
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{
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var entries = cookies
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.Where(c => c.Domain.Contains("claude.ai") || c.Domain.Contains("anthropic.com"))
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.Select(c => new CookieEntry { Name = c.Name, Value = c.Value, Domain = c.Domain, Path = c.Path })
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.ToList();
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AppSettings.Default.CookieStore = JsonSerializer.Serialize(entries);
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AppSettings.Default.Save();
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}
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private static HttpClient BuildClient(List<(string Name, string Value, string Domain, string Path)> cookies)
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{
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var handler = new HttpClientHandler { UseCookies = false };
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var http = new HttpClient(handler);
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http.DefaultRequestHeaders.Add("accept", "application/json");
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http.DefaultRequestHeaders.Add("User-Agent",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 " +
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"(KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36");
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http.DefaultRequestHeaders.Add("Origin", "https://claude.ai");
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http.DefaultRequestHeaders.Add("Referer", "https://claude.ai/");
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http.DefaultRequestHeaders.Add("sec-fetch-dest", "empty");
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http.DefaultRequestHeaders.Add("sec-fetch-mode", "cors");
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http.DefaultRequestHeaders.Add("sec-fetch-site", "same-origin");
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http.DefaultRequestHeaders.Add("sec-ch-ua", "\"Chromium\";v=\"124\", \"Google Chrome\";v=\"124\"");
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http.DefaultRequestHeaders.Add("sec-ch-ua-mobile", "?0");
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http.DefaultRequestHeaders.Add("sec-ch-ua-platform", "\"Windows\"");
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var cookieHeader = string.Join("; ", cookies.Select(c => $"{c.Name}={c.Value}"));
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http.DefaultRequestHeaders.Add("Cookie", cookieHeader);
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return http;
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}
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private static async Task<T?> FetchAsync<T>(HttpClient http, string url) where T : class
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{
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try
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{
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var resp = await http.GetAsync(url);
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if (!resp.IsSuccessStatusCode) return null;
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var json = await resp.Content.ReadAsStringAsync();
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return JsonSerializer.Deserialize<T>(json, JsonOpts);
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}
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catch { return null; }
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}
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// Parse email and org ID out of bootstrap JSON (multiple fallback paths for org ID)
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private static (string? Email, string? OrgId, string? PlanLabel) ParseBootstrap(string json)
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{
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try
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{
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using var doc = JsonDocument.Parse(json);
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var root = doc.RootElement;
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string? email = null;
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string? orgId = null;
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if (root.TryGetProperty("account", out var acct) &&
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acct.TryGetProperty("email_address", out var em))
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email = em.GetString();
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// Path 1: account.memberships[0].organization.uuid (Claude.ai personal/pro accounts)
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if (root.TryGetProperty("account", out var acctNode) &&
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acctNode.TryGetProperty("memberships", out var mems) && mems.GetArrayLength() > 0)
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{
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var first = mems[0];
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if (first.TryGetProperty("organization", out var org) &&
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org.TryGetProperty("uuid", out var uuid))
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orgId = uuid.GetString();
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}
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// Path 2: memberships[0].organization.uuid (root-level, older API shape)
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if (string.IsNullOrEmpty(orgId) &&
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root.TryGetProperty("memberships", out var rootMems) && rootMems.GetArrayLength() > 0)
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{
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var first = rootMems[0];
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if (first.TryGetProperty("organization", out var org) &&
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org.TryGetProperty("uuid", out var uuid))
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orgId = uuid.GetString();
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}
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// Path 3: organizations[0].uuid (flat list on root)
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if (string.IsNullOrEmpty(orgId) &&
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root.TryGetProperty("organizations", out var orgs) && orgs.GetArrayLength() > 0)
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{
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if (orgs[0].TryGetProperty("uuid", out var uuid))
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orgId = uuid.GetString();
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}
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string? planLabel = null;
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if (root.TryGetProperty("account", out var acctPlan) &&
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acctPlan.TryGetProperty("memberships", out var plMems) && plMems.GetArrayLength() > 0 &&
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plMems[0].TryGetProperty("organization", out var plOrg) &&
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plOrg.TryGetProperty("capabilities", out var caps) &&
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caps.ValueKind == System.Text.Json.JsonValueKind.Array)
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{
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foreach (var cap in caps.EnumerateArray())
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{
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var s = cap.GetString() ?? "";
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if (s.StartsWith("claude_", StringComparison.OrdinalIgnoreCase))
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{
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var name = s.Substring("claude_".Length);
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if (name.Length > 0)
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planLabel = char.ToUpper(name[0]) + name.Substring(1).ToLower();
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break;
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}
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}
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}
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return (email, orgId, planLabel);
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}
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catch { return (null, null, null); }
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}
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private static async Task<string?> FetchOrgIdFromListAsync(HttpClient http)
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{
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try
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{
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var resp = await http.GetAsync("https://claude.ai/api/organizations");
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if (!resp.IsSuccessStatusCode) return null;
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var json = await resp.Content.ReadAsStringAsync();
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using var doc = JsonDocument.Parse(json);
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var root = doc.RootElement;
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if (root.ValueKind == JsonValueKind.Array && root.GetArrayLength() > 0)
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{
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var first = root[0];
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if (first.TryGetProperty("uuid", out var uuid))
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return uuid.GetString();
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}
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return null;
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}
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catch { return null; }
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}
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|
|
private static List<AgentLimit> BuildLimits(UsageResponse? usage)
|
|
{
|
|
if (usage == null) return [];
|
|
var now = DateTime.Now;
|
|
var result = new List<AgentLimit>();
|
|
|
|
if (usage.FiveHour != null)
|
|
{
|
|
var reset = ParseDate(usage.FiveHour.ResetsAt, now);
|
|
var pct = Math.Clamp(usage.FiveHour.Utilization, 0, 100);
|
|
result.Add(new AgentLimit
|
|
{
|
|
Window = WindowKind.FiveHour,
|
|
UsedPercent = pct,
|
|
TimeRemaining = TimeLeft(reset, now),
|
|
ResetDate = reset,
|
|
BurnRate = pct / 5.0,
|
|
IsLive = true,
|
|
});
|
|
}
|
|
|
|
if (usage.SevenDay != null)
|
|
{
|
|
var reset = ParseDate(usage.SevenDay.ResetsAt, now);
|
|
var pct = Math.Clamp(usage.SevenDay.Utilization, 0, 100);
|
|
result.Add(new AgentLimit
|
|
{
|
|
Window = WindowKind.SevenDay,
|
|
UsedPercent = pct,
|
|
TimeRemaining = TimeLeft(reset, now),
|
|
ResetDate = reset,
|
|
BurnRate = pct / (7 * 24.0),
|
|
IsLive = true,
|
|
});
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
private static DateTime ParseDate(string? s, DateTime fallback)
|
|
{
|
|
if (s == null) return fallback.AddHours(1);
|
|
return DateTime.TryParse(s, null, System.Globalization.DateTimeStyles.RoundtripKind, out var d)
|
|
? d.ToLocalTime() : fallback.AddHours(1);
|
|
}
|
|
|
|
private static string TimeLeft(DateTime reset, DateTime now)
|
|
{
|
|
var diff = reset - now;
|
|
if (diff <= TimeSpan.Zero) return "resetting...";
|
|
if (diff.TotalDays >= 1)
|
|
return $"{(int)diff.TotalDays}d {diff.Hours}h";
|
|
return $"{diff.Hours}h {diff.Minutes}m";
|
|
}
|
|
|
|
private static List<AgentLimit> LoadPlaceholderLimits()
|
|
{
|
|
var now = DateTime.Now;
|
|
return
|
|
[
|
|
new() { Window = WindowKind.FiveHour, UsedPercent = 0, TimeRemaining = "—", ResetDate = now.AddHours(1) },
|
|
new() { Window = WindowKind.SevenDay, UsedPercent = 0, TimeRemaining = "—", ResetDate = now.AddDays(7) },
|
|
];
|
|
}
|
|
|
|
private void LoadPlaceholders() => Limits = LoadPlaceholderLimits();
|
|
|
|
private void LoadBurnHistory()
|
|
{
|
|
try
|
|
{
|
|
var raw = AppSettings.Default.BurnHistory;
|
|
if (string.IsNullOrEmpty(raw)) return;
|
|
var saved = JsonSerializer.Deserialize<Dictionary<string, List<double>>>(raw);
|
|
if (saved != null)
|
|
foreach (var kv in saved) _burnHistory[kv.Key] = kv.Value;
|
|
}
|
|
catch { }
|
|
}
|
|
|
|
private void SaveBurnHistory()
|
|
{
|
|
AppSettings.Default.BurnHistory = JsonSerializer.Serialize(_burnHistory);
|
|
AppSettings.Default.Save();
|
|
}
|
|
|
|
public event PropertyChangedEventHandler? PropertyChanged;
|
|
private void Set<T>(ref T field, T value, [CallerMemberName] string? name = null)
|
|
{
|
|
if (EqualityComparer<T>.Default.Equals(field, value)) return;
|
|
field = value;
|
|
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
|
|
}
|
|
|
|
private class CookieEntry
|
|
{
|
|
public string Name { get; set; } = "";
|
|
public string Value { get; set; } = "";
|
|
public string Domain { get; set; } = "";
|
|
public string Path { get; set; } = "/";
|
|
}
|
|
}
|