feat(news): dynamic settings, IFinlyticLogger, live log streaming, and EF migration

FinlyticNews/Database/NewsDbContext.cs

@@ -1,5 +1,8 @@
+using FinlyticCore.Database;
+using FinlyticCore.Entities.Settings;
 using FinlyticNews.Entities;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
 
 namespace FinlyticNews.Database;
 
@@ -7,7 +10,7 @@ namespace FinlyticNews.Database;
 /// Entity Framework Core database context for the news microservice,
 /// managing article sources, processed news, and matched assets.
 /// </summary>
-public class NewsDbContext : DbContext
+public class NewsDbContext : DbContext, ISettingsDbContext
 {
     /// <summary>
     /// Initializes a new instance of the <see cref="NewsDbContext"/> class.
@@ -17,6 +20,11 @@ public class NewsDbContext : DbContext
     {
     }
 
+    /// <summary>
+    /// Gets or sets the database set for dynamic settings.
+    /// </summary>
+    public DbSet<SettingEntity> DynamicSettings => Set<SettingEntity>();
+
     /// <summary>
     /// Gets or sets the database set for configured article sources.
     /// </summary>
@@ -45,6 +53,12 @@ public class NewsDbContext : DbContext
     {
         base.OnModelCreating(modelBuilder);
 
+        modelBuilder.Entity<SettingEntity>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.HasIndex(e => e.Key).IsUnique();
+        });
+
         // Configure unique index on SourceUrl for deduplication check (idempotency)
         modelBuilder.Entity<NewsArticleEntity>()
             .HasIndex(a => a.SourceUrl)
@@ -68,3 +82,13 @@ public class NewsDbContext : DbContext
             .OnDelete(DeleteBehavior.Cascade);
     }
 }
+
+public class NewsDbContextFactory : IDesignTimeDbContextFactory<NewsDbContext>
+{
+    public NewsDbContext CreateDbContext(string[] args)
+    {
+        var optionsBuilder = new DbContextOptionsBuilder<NewsDbContext>();
+        optionsBuilder.UseNpgsql("Host=localhost;Database=news;Username=postgres;Password=postgres");
+        return new NewsDbContext(optionsBuilder.Options);
+    }
+}