feat(worker): TicketSystemConfig + ticket_api_base_url in worker.config.json

src/ClaudeDo.Worker/Config/WorkerConfig.cs

@@ -57,6 +57,10 @@ public sealed class WorkerConfig
     [JsonPropertyName("usage_poll_interval_idle_seconds")]
     public int UsagePollIntervalIdleSeconds { get; set; } = 900;
 
+    /// <summary>Base URL of the Bandel ticket-system API. Null = ticket integration off entirely.</summary>
+    [JsonPropertyName("ticket_api_base_url")]
+    public string? TicketApiBaseUrl { get; set; }
+
     public static string DefaultConfigPath =>
         Path.Combine(Paths.AppDataRoot(), "worker.config.json");
 
@@ -103,6 +107,11 @@ public sealed class WorkerConfig
     public void SaveClaudeBin(string? path = null)
         => SaveKey("claude_bin", JsonValue.Create(ClaudeBin), path);
 
+    /// <summary>Persistiert NUR <c>ticket_api_base_url</c>, gleiches read-modify-write wie
+    /// <see cref="SaveClaudeBin"/> — jedes andere Feld der Datei bleibt unangetastet.</summary>
+    public void SaveTicketApiBaseUrl(string? path = null)
+        => SaveKey("ticket_api_base_url", JsonValue.Create(TicketApiBaseUrl), path);
+
     private static void SaveKey(string key, JsonNode? value, string? path)
     {
         path ??= DefaultConfigPath;

src/ClaudeDo.Worker/Program.cs

@@ -15,6 +15,7 @@ using ClaudeDo.Worker.Planning;
 using ClaudeDo.Worker.Queue;
 using ClaudeDo.Worker.Runner;
 using ClaudeDo.Worker.State;
+using ClaudeDo.Worker.Tickets;
 using ClaudeDo.Worker.Online;
 using ClaudeDo.Worker.Online.Interfaces;
 using ClaudeDo.Worker.Prime;
@@ -215,6 +216,7 @@ builder.Services.AddSingleton(cfg.OnlineInbox);
 builder.Services.AddSingleton(new OnlineRefreshTokenStore(DpapiTokenStore.InAppData("online-inbox.token")));
 builder.Services.AddSingleton(new TicketPatStore(DpapiTokenStore.InAppData("ticket.pat")));
 #pragma warning restore CA1416
+builder.Services.AddSingleton<TicketSystemConfig>();
 
 if (cfg.OnlineInbox.Enabled)
 {

src/ClaudeDo.Worker/Tickets/TicketSystemConfig.cs

@@ -0,0 +1,29 @@
+using ClaudeDo.Worker.Config;
+
+namespace ClaudeDo.Worker.Tickets;
+
+/// <summary>
+/// Der eine Ort, der beantwortet "ist die Ticketsystem-Anbindung eingerichtet?".
+/// Liest die Base-URL aus dem WorkerConfig-Singleton (in-place aktualisiert vom Hub-Setter,
+/// also ohne Neustart wirksam) und den PAT aus dem DPAPI-Store. Beide fehlen im Normalfall,
+/// deshalb ist IsConfigured die billigste denkbare Abbruchbedingung: kein IO, keine DB.
+/// </summary>
+public sealed class TicketSystemConfig
+{
+    private readonly WorkerConfig _worker;
+    private readonly TicketPatStore _pat;
+
+    public TicketSystemConfig(WorkerConfig worker, TicketPatStore pat)
+    {
+        _worker = worker;
+        _pat = pat;
+    }
+
+    public string? BaseUrl => string.IsNullOrWhiteSpace(_worker.TicketApiBaseUrl)
+        ? null
+        : _worker.TicketApiBaseUrl.Trim().TrimEnd('/');
+
+    public string? Token => _pat.Store.Read();
+
+    public bool IsConfigured => BaseUrl is not null && !string.IsNullOrEmpty(Token);
+}