Enhance scheduling and trace functionalities: add CollectionId to ScheduleEntry and PlannedItem models, update related query handlers and frontend components to support collection information in entry traces. Improve data handling in scheduling logic and enhance user experience in trace display.

backend/src/TeleWave.Infrastructure/Migrations/20260726115300_ScheduleEntryCollection.cs

@@ -0,0 +1,29 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TeleWave.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class ScheduleEntryCollection : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<Guid>(
+                name: "CollectionId",
+                table: "ScheduleEntries",
+                type: "uuid",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "CollectionId",
+                table: "ScheduleEntries");
+        }
+    }
+}

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

@@ -399,6 +399,9 @@ namespace TeleWave.Infrastructure.Migrations
                     b.Property<Guid>("ChannelId")
                         .HasColumnType("uuid");
 
+                    b.Property<Guid?>("CollectionId")
+                        .HasColumnType("uuid");
+
                     b.Property<DateTimeOffset>("EndsAtUtc")
                         .HasColumnType("timestamp with time zone");