feat(logging): route Worker logging through shared LoggingSetup

src/ClaudeDo.Worker/ClaudeDo.Worker.csproj

@@ -2,6 +2,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ClaudeDo.Data\ClaudeDo.Data.csproj" />
+    <ProjectReference Include="..\ClaudeDo.Logging\ClaudeDo.Logging.csproj" />
   </ItemGroup>
 
   <ItemGroup>

src/ClaudeDo.Worker/Program.cs

@@ -31,13 +31,8 @@ var builder = WebApplication.CreateBuilder(args);
 
 var logRoot = cfg.LogRoot;
 Directory.CreateDirectory(logRoot);
-builder.Host.UseSerilog((ctx, lc) => lc
-    .MinimumLevel.Information()
-    .WriteTo.File(
-        System.IO.Path.Combine(logRoot, "worker-.log"),
-        rollingInterval: RollingInterval.Day,
-        retainedFileCountLimit: 7,
-        shared: true));
+builder.Host.UseSerilog((ctx, lc) =>
+    ClaudeDo.Logging.LoggingSetup.Configure(lc, "worker", logRoot));
 
 builder.Services.AddDbContextFactory<ClaudeDoDbContext>(opt =>
     opt.UseSqlite($"Data Source={cfg.DbPath}"));