feat(organization): add organization rename redirects and redirect management endpoints

ts/models/org.redirect.ts

@@ -0,0 +1,59 @@
+/**
+ * OrgRedirect model - stores old org handles as redirect aliases
+ * When an org is renamed, the old name becomes a redirect pointing to the org.
+ * Redirects can be explicitly deleted by org admins.
+ */
+
+import * as plugins from '../plugins.ts';
+import { db } from './db.ts';
+
+@plugins.smartdata.Collection(() => db)
+export class OrgRedirect extends plugins.smartdata.SmartDataDbDoc<OrgRedirect, OrgRedirect> {
+  @plugins.smartdata.unI()
+  public id: string = '';
+
+  @plugins.smartdata.svDb()
+  @plugins.smartdata.index({ unique: true })
+  public oldName: string = '';
+
+  @plugins.smartdata.svDb()
+  @plugins.smartdata.index()
+  public organizationId: string = '';
+
+  @plugins.smartdata.svDb()
+  public createdAt: Date = new Date();
+
+  /**
+   * Create a redirect from an old org name to the current org
+   */
+  public static async create(oldName: string, organizationId: string): Promise<OrgRedirect> {
+    const redirect = new OrgRedirect();
+    redirect.id = `redirect:${oldName}`;
+    redirect.oldName = oldName;
+    redirect.organizationId = organizationId;
+    redirect.createdAt = new Date();
+    await redirect.save();
+    return redirect;
+  }
+
+  /**
+   * Find a redirect by the old name
+   */
+  public static async findByName(name: string): Promise<OrgRedirect | null> {
+    return await OrgRedirect.getInstance({ oldName: name } as any);
+  }
+
+  /**
+   * Get all redirects for an organization
+   */
+  public static async getByOrgId(organizationId: string): Promise<OrgRedirect[]> {
+    return await OrgRedirect.getInstances({ organizationId } as any);
+  }
+
+  /**
+   * Find a redirect by ID
+   */
+  public static async findById(id: string): Promise<OrgRedirect | null> {
+    return await OrgRedirect.getInstance({ id } as any);
+  }
+}