feat(Sentiment): update sentiment service

FinlyticSentiment/Program.cs

@@ -0,0 +1,44 @@
+using FinlyticSentiment.Database;
+using FinlyticSentiment.Services;
+using FinlyticSentiment.Util;
+using Microsoft.EntityFrameworkCore;
+
+var builder = Host.CreateApplicationBuilder(args);
+
+// Register PostgreSQL DbContext for settings persistence
+builder.Services.AddDbContext<SentimentDbContext>(options =>
+    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));
+
+// Register HttpClient
+builder.Services.AddHttpClient();
+
+// Register Service interfaces and co-located implementations
+builder.Services.AddScoped<ISettingsDbService, SettingsDbService>();
+builder.Services.AddSingleton<IFinBertAnalyzerService, FinBertAnalyzerService>();
+builder.Services.AddSingleton<ISentimentStorageService, SentimentStorageService>();
+
+// Register MQTT Client (as singleton hosted service)
+builder.Services.AddSingleton<SentimentMqttClient>();
+builder.Services.AddHostedService(sp => sp.GetRequiredService<SentimentMqttClient>());
+
+// Register Sentiment Background Worker
+builder.Services.AddHostedService<SentimentBackgroundService>();
+
+var host = builder.Build();
+
+// Auto-migrate database on startup
+using (var scope = host.Services.CreateScope())
+{
+    try
+    {
+        var db = scope.ServiceProvider.GetRequiredService<SentimentDbContext>();
+        await db.Database.MigrateAsync();
+    }
+    catch (Exception ex)
+    {
+        var logger = scope.ServiceProvider.GetRequiredService<ILogger<Program>>();
+        logger.LogError(ex, "An error occurred during database migration for FinlyticSentiment on startup.");
+    }
+}
+
+await host.RunAsync();