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fix(worker): make list_tasks/batch_get_tasks lean by default

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list_tasks on a list of ~100 verbosely-described tasks could return
390k+ characters in one call, blowing past the caller's token limit.
Both tools now default to lean TaskRefDto references (no
Description/Result) and take an includeDescription flag to opt back
into the full TaskDto payload — same flag-alongside-nullable-payload
idiom already used by BatchGetTaskResult/TaskConfigResult. get_task is
unchanged.
This commit is contained in:
mika kuns
2026-08-06 11:25:32 +02:00
parent 86f962ee7d
commit f8c48e2ed7
5 changed files with 151 additions and 22 deletions
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src/ClaudeDo.Worker/External/BatchMcpTools.cs
Vendored
+22 -8
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@@ -6,7 +6,10 @@ namespace ClaudeDo.Worker.External;
public sealed record BatchAddTaskInput(string Title, string? Description = null, string? Model = null);
public sealed record BatchSetMyDayInput(string TaskId, bool IsMyDay, int? SortOrder = null);
public sealed record BatchGetTaskResult(string Id, bool Found, TaskDto? Task, string? Error);
// task is populated when found and includeDescription=false (the default, lean reference);
// taskFull is populated when found and includeDescription=true (full task incl.
// Description/Result). Both are null when found=false.
public sealed record BatchGetTaskResult(string Id, bool Found, TaskRefDto? Task, TaskDto? TaskFull, string? Error);
public sealed record BatchAddTaskResult(int Index, string Title, bool Ok, TaskRefDto? Task, string? Error);
public sealed record BatchTaskResult(string TaskId, bool Ok, string? Error);
public sealed record BatchCancelResult(string TaskId, bool Ok, bool Cancelled, string? Error);
@@ -30,10 +33,13 @@ public sealed class BatchMcpTools
[McpServerTool, Description(
"Fetch a snapshot of many tasks in one call (overview / polling a fan-out). " +
"Returns one result per id: { id, found, task, error }. A missing id is found=false " +
"(not an error); error is only set for an unexpected failure. Max 100 ids.")]
"Returns one result per id: { id, found, task, taskFull, error }. " +
"includeDescription=false (default): found tasks come back in `task` (lean reference, no " +
"Description/Result). includeDescription=true: found tasks come back in `taskFull` (incl. " +
"Description/Result) instead. A missing id is found=false (not an error; task and taskFull both null); " +
"error is only set for an unexpected failure. Max 100 ids.")]
public async Task<IReadOnlyList<BatchGetTaskResult>> BatchGetTasks(
string[] taskIds, CancellationToken cancellationToken)
string[] taskIds, bool includeDescription = false, CancellationToken cancellationToken = default)
{
EnsureWithinCap(taskIds, nameof(taskIds));
@@ -42,17 +48,25 @@ public sealed class BatchMcpTools
{
try
{
var task = await _svc.GetTask(id, cancellationToken);
results.Add(new BatchGetTaskResult(id, true, task, null));
if (includeDescription)
{
var task = await _svc.GetTask(id, cancellationToken);
results.Add(new BatchGetTaskResult(id, true, null, task, null));
}
else
{
var taskRef = await _svc.GetTaskRefAsync(id, cancellationToken);
results.Add(new BatchGetTaskResult(id, true, taskRef, null, null));
}
}
catch (OperationCanceledException) { throw; }
catch (InvalidOperationException)
{
results.Add(new BatchGetTaskResult(id, false, null, null));
results.Add(new BatchGetTaskResult(id, false, null, null, null));
}
catch (Exception ex)
{
results.Add(new BatchGetTaskResult(id, false, null, ex.Message));
results.Add(new BatchGetTaskResult(id, false, null, null, ex.Message));
}
}
return results;