feat(daily-prep): run daily prep from PrimeRunner via allowed MCP tools

src/ClaudeDo.Worker/Prime/DailyPrepPrompt.cs

@@ -0,0 +1,27 @@
+namespace ClaudeDo.Worker.Prime;
+
+public static class DailyPrepPrompt
+{
+    public const string CandidatesTool = "mcp__claudedo__get_daily_prep_candidates";
+    public const string SetMyDayTool = "mcp__claudedo__set_my_day";
+
+    public static string BuildArgs(int maxTurns) =>
+        "-p --output-format stream-json --verbose --permission-mode acceptEdits " +
+        $"--max-turns {maxTurns} " +
+        $"--allowedTools {CandidatesTool} {SetMyDayTool}";
+
+    public static string BuildPrompt(int maxTasks, DateOnly today) =>
+        $"""
+        Du bereitest meinen Arbeitstag fuer {today:yyyy-MM-dd} vor.
+
+        1. Rufe {CandidatesTool} auf.
+        2. Behalte bereits als MyDay markierte offene Tasks (currentMyDay) — entferne sie nicht.
+        3. Fuelle bis maximal {maxTasks} offene Tasks GESAMT in MyDay auf (currentMyDay zaehlt mit). Niemals mehr.
+        4. Schaetze pro Kandidat grob den Aufwand und waehle eine machbare Mischung (nicht nur Grossbrocken).
+           Priorisiere isStarred, faellige (scheduledFor) und aeltere Tasks.
+        5. Lege thematisch verwandte Tasks durch aufeinanderfolgende sortOrder-Werte nebeneinander.
+        6. Setze die Auswahl via {SetMyDayTool}(taskId, true, sortOrder). Markiere nichts ausserhalb der Kandidatenliste.
+
+        Wenn es keine Kandidaten gibt, tue nichts.
+        """;
+}

src/ClaudeDo.Worker/Prime/PrimeRunner.cs

@@ -1,53 +1,80 @@
 using ClaudeDo.Data;
+using ClaudeDo.Data.Repositories;
 using ClaudeDo.Worker.Runner;
+using Microsoft.EntityFrameworkCore;
 
 namespace ClaudeDo.Worker.Prime;
 
 public sealed class PrimeRunner : IPrimeRunner
 {
-    private static readonly TimeSpan FireTimeout = TimeSpan.FromSeconds(60);
-    private readonly IClaudeProcess _claude;
-    private readonly ILogger<PrimeRunner> _logger;
+    private static readonly TimeSpan FireTimeout = TimeSpan.FromMinutes(5);
+    private const int MaxTurns = 30;
 
-    public PrimeRunner(IClaudeProcess claude, ILogger<PrimeRunner> logger)
+    private readonly IClaudeProcess _claude;
+    private readonly IDbContextFactory<ClaudeDoDbContext> _dbFactory;
+    private readonly IPrimeClock _clock;
+    private readonly ILogger<PrimeRunner> _logger;
+    private readonly SemaphoreSlim _gate = new(1, 1);
+
+    public PrimeRunner(
+        IClaudeProcess claude,
+        IDbContextFactory<ClaudeDoDbContext> dbFactory,
+        IPrimeClock clock,
+        ILogger<PrimeRunner> logger)
     {
         _claude = claude;
+        _dbFactory = dbFactory;
+        _clock = clock;
         _logger = logger;
     }
 
     public async Task<PrimeRunOutcome> FireAsync(PrimeScheduleDto schedule, CancellationToken ct)
     {
-        var cwd = Paths.AppDataRoot();
-        Directory.CreateDirectory(cwd);
-
-        using var timeoutCts = CancellationTokenSource.CreateLinkedTokenSource(ct);
-        timeoutCts.CancelAfter(FireTimeout);
+        if (!await _gate.WaitAsync(0, ct))
+            return new PrimeRunOutcome(false, "Daily prep already running");
 
         try
         {
-            var prompt = schedule.PromptOverride ?? "ping";
+            var cwd = Paths.AppDataRoot();
+            Directory.CreateDirectory(cwd);
+
+            int maxTasks;
+            await using (var dbCtx = await _dbFactory.CreateDbContextAsync(ct))
+            {
+                var settings = await new AppSettingsRepository(dbCtx).GetAsync(ct);
+                maxTasks = settings.DailyPrepMaxTasks < 1 ? 1 : settings.DailyPrepMaxTasks;
+            }
+
+            var today = DateOnly.FromDateTime(_clock.Now.LocalDateTime);
+            var prompt = DailyPrepPrompt.BuildPrompt(maxTasks, today);
+            var args = DailyPrepPrompt.BuildArgs(MaxTurns);
+
+            using var timeoutCts = CancellationTokenSource.CreateLinkedTokenSource(ct);
+            timeoutCts.CancelAfter(FireTimeout);
+
             var result = await _claude.RunAsync(
-                arguments: "-p --max-turns 1",
+                arguments: args,
                 prompt: prompt,
                 workingDirectory: cwd,
                 onStdoutLine: _ => Task.CompletedTask,
                 ct: timeoutCts.Token);
 
-            if (IsSuccess(result))
-                return new PrimeRunOutcome(true, "Primed Claude");
-            return new PrimeRunOutcome(false, FailureMessage(result));
+            return result.IsSuccess
+                ? new PrimeRunOutcome(true, "Daily prep complete")
+                : new PrimeRunOutcome(false, $"exit code {result.ExitCode}");
         }
-        catch (OperationCanceledException) when (timeoutCts.IsCancellationRequested && !ct.IsCancellationRequested)
+        catch (OperationCanceledException) when (!ct.IsCancellationRequested)
         {
-            return new PrimeRunOutcome(false, $"timed out after {FireTimeout.TotalSeconds:0}s");
+            return new PrimeRunOutcome(false, $"timed out after {FireTimeout.TotalMinutes:0} min");
         }
         catch (Exception ex)
         {
-            _logger.LogWarning(ex, "Prime fire failed");
+            _logger.LogWarning(ex, "Daily prep run failed");
             return new PrimeRunOutcome(false, ex.Message);
         }
+        finally
+        {
+            _gate.Release();
+        }
     }
-
-    private static bool IsSuccess(RunResult result) => result.IsSuccess;
-    private static string FailureMessage(RunResult result) => $"exit code {result.ExitCode}";
 }