feat: add relationships management in entities tab and schema importer

Author: danOIntellitect

src/app/components/header/header.component.html

@@ -6,9 +6,14 @@
         <strong>Sql MCP Server Configuration Builder</strong>
       </a>
 
+      <!-- Theme Toggle (right side) -->
+      <div class="ms-auto d-flex align-items-center">
+        <app-theme-toggle />
+      </div>
+
       <!-- Mobile Menu Button -->
       <button
-        class="navbar-toggler d-lg-none"
+        class="navbar-toggler d-lg-none ms-2"
         type="button"
         (click)="toggleSidebar()"
         aria-label="Toggle navigation"

src/app/components/header/header.component.ts

@@ -2,11 +2,12 @@ import { CommonModule } from '@angular/common';
 import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { RouterLink } from '@angular/router';
 import { NavigationService } from '../../services/navigation.service';
+import { ThemeToggleComponent } from '../theme-toggle/theme-toggle.component';
 
 @Component({
   selector: 'app-header',
   standalone: true,
-  imports: [CommonModule, RouterLink],
+  imports: [CommonModule, RouterLink, ThemeToggleComponent],
   templateUrl: './header.component.html',
   styleUrls: ['./header.component.scss'],
   changeDetection: ChangeDetectionStrategy.OnPush,

src/app/models/index.ts

@@ -345,4 +345,5 @@ export interface IGeneratedEntity {
   mcp: IEntityMcpConfig;
   columns: IColumnInfo[];
   mappings: Record<string, string>;
+  relationships: Record<string, IRelationship>;
 }