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feat(worker): add claude-cli runner, queue service, and hub api

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Runner stack (non-worktree path): IClaudeProcess + ClaudeProcess spawning the
CLI with --output-format stream-json, prompt via stdin, parses the final
type:"result" line into RunResult. LogWriter appends ndjson to
~/.todo-app/logs/<taskId>.ndjson. TaskRunner orchestrates DB transitions
(MarkRunning -> MarkDone/Failed) and pushes TaskStarted/Message/Finished/
Updated via HubBroadcaster. Worktree-backed lists short-circuit with a
"Slice E" failure message until git support lands.

QueueService (BackgroundService) holds two in-memory slots (_queueSlot +
_overrideSlot) guarded by a lock. Uses PeriodicTimer + SemaphoreSlim wake
signal so WakeQueue() triggers an instant pickup. RunNow throws
InvalidOperationException when override busy; CancelTask cancels the linked
CTS which kills the child process tree.

WorkerHub extended with GetActive, RunNow (translated to HubException
variants), CancelTask, WakeQueue. HubBroadcaster exposes typed push methods.

Tests: 26 pass (12 new). QueueServiceTests cover override-busy,
schedule-filter, FIFO sequentiality, cancellation, plus a FakeClaudeProcess
that blocks on a TCS for deterministic slot-state assertions.
MessageParserTests cover result extraction + malformed/non-result lines.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Mika Kuns
2026-04-13 12:14:00 +02:00
parent 9f51ff0b17
commit e5038d7e16
14 changed files with 884 additions and 4 deletions
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10
src/ClaudeDo.Worker/Program.cs
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@@ -2,6 +2,7 @@ using ClaudeDo.Data;
using ClaudeDo.Data.Repositories;
using ClaudeDo.Worker.Config;
using ClaudeDo.Worker.Hub;
using ClaudeDo.Worker.Runner;
using ClaudeDo.Worker.Services;
var cfg = WorkerConfig.Load();
@@ -21,6 +22,15 @@ builder.Services.AddSingleton<WorktreeRepository>();
builder.Services.AddHostedService<StaleTaskRecovery>();
builder.Services.AddSignalR();
// Runner stack.
builder.Services.AddSingleton<IClaudeProcess, ClaudeProcess>();
builder.Services.AddSingleton<HubBroadcaster>();
builder.Services.AddSingleton<TaskRunner>();
// QueueService: singleton + hosted service (same instance).
builder.Services.AddSingleton<QueueService>();
builder.Services.AddHostedService(sp => sp.GetRequiredService<QueueService>());
// Loopback-only bind. Firewall is irrelevant for 127.0.0.1.
builder.WebHost.UseUrls($"http://127.0.0.1:{cfg.SignalRPort}");