feat: add API Sentry tracing

.env.example

@@ -16,6 +16,11 @@
 # uses the AWS SDK default credential chain (env AWS_ACCESS_KEY_ID / AWS_SECRET_ACCESS_KEY,
 # the shared profile/SSO, or the EC2/ECS instance role). Prefer an instance role in prod.
 
+# --- Sentry error and transaction monitoring ---
+# Leave the DSN blank to keep telemetry inactive. Set the environment per deployment.
+SENTRY_DSN=
+SENTRY_ENVIRONMENT=development
+
 # --- SQL Server connection string (Api.SeaHavenIndustries + SeaHavenIndustries) ---
 ConnectionStrings__DefaultConnection=Server=<host>;Initial Catalog=<db>;User Id=<user>;Password=<password>;MultipleActiveResultSets=true
 
@@ -44,4 +49,3 @@ Sync__Enabled=true
 # --- Legacy endpoint deprecation headers ---
 LegacyEndpoints__DeprecationEnabled=false
 LegacyEndpoints__SunsetDate=2026-12-31
-

Api.SeaHavenIndustries/Api.SeaHavenIndustries.csproj

@@ -15,6 +15,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="SendGrid" Version="9.29.3" />
+    <PackageReference Include="Sentry.AspNetCore" Version="6.10.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
 	<PackageReference Include="PasswordGenerator" Version="2.1.0" />
   </ItemGroup>

Api.SeaHavenIndustries/Program.cs

@@ -16,6 +16,13 @@ using SeaHaven.Services.Implementation;
 using SeaHaven.Services.Interfaces;
 
 var builder = WebApplication.CreateBuilder(args);
+
+builder.WebHost.UseSentry(options =>
+{
+    options.TracesSampleRate = 1.0;
+    options.SendDefaultPii = false;
+});
+
 ConfigurationManager configuration = builder.Configuration;
 
 builder.Services.AddDbContext<ApplicationDbContext>(options => options.UseSqlServer(configuration.GetConnectionString("DefaultConnection")));