refactor(worker): detect untracked worktrees by path instead of branch prefix

src/ClaudeDo.Worker/Lifecycle/UntrackedWorktreeRecovery.cs

@@ -1,36 +1,38 @@
 using ClaudeDo.Data;
 using ClaudeDo.Data.Git;
 using ClaudeDo.Data.Repositories;
+using ClaudeDo.Worker.Config;
 using ClaudeDo.Worker.Hub;
 using Microsoft.EntityFrameworkCore;
 
 namespace ClaudeDo.Worker.Lifecycle;
 
 /// <summary>
-/// Startup-only sweep: warns when a list's repo has git-registered <c>claudedo/*</c> worktrees
+/// Startup-only sweep: warns when a list's repo has git-registered ClaudeDo task worktrees (under
-/// that the <c>worktrees</c> table doesn't know about (e.g. left behind by a manual cleanup
+/// <c>.claudedo-worktrees</c> or the central root, planning sessions excluded) that the <c>worktrees</c> table doesn't know about (e.g. left behind by a manual cleanup
 /// outside the app). Detection only — nothing is removed or pruned.
 /// </summary>
 public sealed class UntrackedWorktreeRecovery : IHostedService
 {
     public const string Phase = "untracked-worktrees";
 
-    private const string BranchPrefix = "claudedo/";
-
     private readonly IDbContextFactory<ClaudeDoDbContext> _dbFactory;
     private readonly GitService _git;
     private readonly HubBroadcaster _broadcaster;
+    private readonly WorkerConfig _cfg;
     private readonly ILogger<UntrackedWorktreeRecovery> _logger;
 
     public UntrackedWorktreeRecovery(
         IDbContextFactory<ClaudeDoDbContext> dbFactory,
         GitService git,
         HubBroadcaster broadcaster,
+        WorkerConfig cfg,
         ILogger<UntrackedWorktreeRecovery> logger)
     {
         _dbFactory = dbFactory;
         _git = git;
         _broadcaster = broadcaster;
+        _cfg = cfg;
         _logger = logger;
     }
 
@@ -41,6 +43,10 @@ public sealed class UntrackedWorktreeRecovery : IHostedService
         var dbPaths = (await new WorktreeRepository(ctx).GetAllAsync(cancellationToken))
             .Select(w => w.Path)
             .ToList();
+        var settings = await new AppSettingsRepository(ctx).GetAsync(cancellationToken);
+        var centralRoot = !string.IsNullOrWhiteSpace(settings.CentralWorktreeRoot)
+            ? settings.CentralWorktreeRoot
+            : _cfg.CentralWorktreeRoot;
 
         var foundAny = false;
         foreach (var list in lists.Where(l => !string.IsNullOrWhiteSpace(l.WorkingDir)))
@@ -57,7 +63,7 @@ public sealed class UntrackedWorktreeRecovery : IHostedService
             }
 
             var claudedoPaths = registered
-                .Where(w => w.Branch is not null && w.Branch.StartsWith(BranchPrefix, StringComparison.Ordinal))
+                .Where(w => w.Branch is not null && IsTaskWorktreePath(w.Path, centralRoot))
                 .Select(w => w.Path);
 
             var untracked = FindUntrackedPaths(claudedoPaths, dbPaths);
@@ -84,6 +90,26 @@ public sealed class UntrackedWorktreeRecovery : IHostedService
         return registeredPaths.Where(p => !known.Contains(Normalize(p))).ToList();
     }
 
+    /// <summary>True für einen Pfad unter <c>.claudedo-worktrees</c> oder dem Central-Root, außer Planning-Session-Worktrees.</summary>
+    public static bool IsTaskWorktreePath(string path, string centralRoot)
+    {
+        var sep = Path.DirectorySeparatorChar;
+        var full = Normalize(path);
+        string? rest = null;
+
+        var central = Normalize(centralRoot);
+        if (full.StartsWith(central + sep, StringComparison.OrdinalIgnoreCase))
+            rest = full[(central.Length + 1)..];
+        else
+        {
+            var marker = $"{sep}.claudedo-worktrees{sep}";
+            var idx = full.IndexOf(marker, StringComparison.OrdinalIgnoreCase);
+            if (idx >= 0) rest = full[(idx + marker.Length)..];
+        }
+
+        return rest is not null && !rest.StartsWith($"planning{sep}", StringComparison.OrdinalIgnoreCase);
+    }
+
     private static string Normalize(string path) =>
         Path.GetFullPath(path).TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
 }

tests/ClaudeDo.Worker.Tests/Lifecycle/UntrackedWorktreeRecoveryTests.cs

@@ -54,6 +54,18 @@ public sealed class UntrackedWorktreeRecoveryTests : IDisposable
         Assert.Equal(registered, untracked);
     }
 
+    [Theory]
+    [InlineData(@"C:\src\.claudedo-worktrees\lager-app\412-fix", @"C:\Users\x\.claudeDo\worktrees", true)]
+    [InlineData(@"C:\src\.claudedo-worktrees\planning\abc123", @"C:\Users\x\.claudeDo\worktrees", false)]
+    [InlineData(@"C:\Users\x\.claudeDo\worktrees\lager-app\412-fix", @"C:\Users\x\.claudeDo\worktrees", true)]
+    [InlineData(@"C:\Users\x\.claudeDo\worktrees\planning\abc123", @"C:\Users\x\.claudeDo\worktrees", false)]
+    [InlineData(@"C:\src\my-own-worktree", @"C:\Users\x\.claudeDo\worktrees", false)]
+    public void IsTaskWorktreePath(string path, string centralRoot, bool expected)
+    {
+        if (!OperatingSystem.IsWindows()) return;
+        Assert.Equal(expected, UntrackedWorktreeRecovery.IsTaskWorktreePath(path, centralRoot));
+    }
+
     [Fact]
     public async Task StartAsync_NoLists_DoesNotThrow()
     {
@@ -62,6 +74,7 @@ public sealed class UntrackedWorktreeRecoveryTests : IDisposable
             _db.CreateFactory(),
             new ClaudeDo.Data.Git.GitService(),
             new HubBroadcaster(hubContext),
+            new ClaudeDo.Worker.Config.WorkerConfig(),
             NullLogger<UntrackedWorktreeRecovery>.Instance);
 
         await sut.StartAsync(CancellationToken.None);