feat: перелопатил синхронизацию преподавателей

backend/UniVerse.Infrastructure/Migrations/20260524173815_UniqueTeacherProfileModeusId.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace UniVerse.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class UniqueTeacherProfileModeusId : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_teacher_profiles_modeus_id",
+                table: "teacher_profiles",
+                column: "modeus_id",
+                unique: true,
+                filter: "modeus_id IS NOT NULL");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_teacher_profiles_modeus_id",
+                table: "teacher_profiles");
+        }
+    }
+}

backend/UniVerse.Infrastructure/Migrations/AppDbContextModelSnapshot.cs

@@ -515,16 +515,16 @@ namespace UniVerse.Infrastructure.Migrations
                         .HasColumnType("integer")
                         .HasColumnName("lecture_id");
 
+                    b.Property<string>("LlmRawOutput")
+                        .HasColumnType("text")
+                        .HasColumnName("llm_raw_output");
+
                     b.Property<int>("LlmStatus")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("integer")
                         .HasDefaultValue(0)
                         .HasColumnName("llm_status");
 
-                    b.Property<string>("LlmRawOutput")
-                        .HasColumnType("text")
-                        .HasColumnName("llm_raw_output");
-
                     b.PrimitiveCollection<string[]>("LlmTags")
                         .HasColumnType("text[]")
                         .HasColumnName("llm_tags");
@@ -710,6 +710,10 @@ namespace UniVerse.Infrastructure.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("ModeusId")
+                        .IsUnique()
+                        .HasFilter("modeus_id IS NOT NULL");
+
                     b.HasIndex("UserId")
                         .IsUnique();