Enhance channel and settings functionalities: introduce viewer settings in ChannelEndpoints, update SiteSettings to include channel number toggling, and refactor related data structures. Implement new endpoints for validating templates and diffing scheduling changes, improving overall user experience and configuration management.

backend/src/TeleWave.Infrastructure/Migrations/20260726114417_ChannelViewerSettings.cs

@@ -0,0 +1,73 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TeleWave.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChannelViewerSettings : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<double>(
+                name: "AnalogFilterStrength",
+                table: "Channels",
+                type: "double precision",
+                nullable: false,
+                defaultValue: 0.0);
+
+            migrationBuilder.AddColumn<int>(
+                name: "LogoCorner",
+                table: "Channels",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "LogoImageId",
+                table: "Channels",
+                type: "uuid",
+                nullable: true);
+
+            migrationBuilder.AddColumn<double>(
+                name: "LogoOpacity",
+                table: "Channels",
+                type: "double precision",
+                nullable: false,
+                defaultValue: 0.0);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "ShowClock",
+                table: "Channels",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "AnalogFilterStrength",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "LogoCorner",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "LogoImageId",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "LogoOpacity",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "ShowClock",
+                table: "Channels");
+        }
+    }
+}

backend/src/TeleWave.Infrastructure/Migrations/AppDbContextModelSnapshot.cs

@@ -318,6 +318,9 @@ namespace TeleWave.Infrastructure.Migrations
                     b.Property<Guid>("Id")
                         .HasColumnType("uuid");
 
+                    b.Property<double>("AnalogFilterStrength")
+                        .HasColumnType("double precision");
+
                     b.Property<int>("BumperFont")
                         .HasColumnType("integer");
 
@@ -342,6 +345,15 @@ namespace TeleWave.Infrastructure.Migrations
                     b.Property<bool>("IsEnabled")
                         .HasColumnType("boolean");
 
+                    b.Property<int>("LogoCorner")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid?>("LogoImageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("LogoOpacity")
+                        .HasColumnType("double precision");
+
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasMaxLength(256)
@@ -350,6 +362,9 @@ namespace TeleWave.Infrastructure.Migrations
                     b.Property<int?>("Number")
                         .HasColumnType("integer");
 
+                    b.Property<bool>("ShowClock")
+                        .HasColumnType("boolean");
+
                     b.Property<string>("Slug")
                         .IsRequired()
                         .HasMaxLength(128)