fix: resolve Prettier markdown code block parsing errors

- Fix syntax errors in skills markdown files (.github/skills, .opencode/skills)
- Change typescript to tsx for code blocks with JSX
- Replace ellipsis (...) in array examples with valid syntax
- Separate CSS from TypeScript into distinct code blocks
- Convert JavaScript object examples to valid JSON in docs
- Fix enum definitions with proper comma separation

app/api/platform/companies/[id]/users/route.ts

@@ -1,10 +1,9 @@
-import { hash } from "bcryptjs";
 import { type NextRequest, NextResponse } from "next/server";
-import { getServerSession } from "next-auth";
-import { platformAuthOptions } from "../../../../../../lib/platform-auth";
-import { prisma } from "../../../../../../lib/prisma";
-
-export const dynamic = "force-dynamic";
+import {
+  getAuthenticatedPlatformUser,
+  hasPlatformAccess,
+} from "@/lib/auth/server";
+import { prisma } from "@/lib/prisma";
 
 // POST /api/platform/companies/[id]/users - Invite user to company
 export async function POST(
@@ -12,11 +11,11 @@ export async function POST(
   { params }: { params: Promise<{ id: string }> }
 ) {
   try {
-    const session = await getServerSession(platformAuthOptions);
+    const { user: platformUser } = await getAuthenticatedPlatformUser();
 
     if (
-      !session?.user?.isPlatformUser ||
-      session.user.platformRole === "SUPPORT"
+      !platformUser ||
+      !hasPlatformAccess(platformUser.role, "PLATFORM_ADMIN")
     ) {
       return NextResponse.json(
         { error: "Admin access required" },
@@ -53,34 +52,26 @@ export async function POST(
       );
     }
 
-    // Check if user already exists in this company
-    const existingUser = await prisma.user.findFirst({
-      where: {
-        email,
-        companyId,
-      },
+    // Check if user already exists
+    const existingUser = await prisma.user.findUnique({
+      where: { email },
     });
 
     if (existingUser) {
       return NextResponse.json(
-        { error: "User already exists in this company" },
+        { error: "User with this email already exists" },
         { status: 400 }
       );
     }
 
-    // Generate a temporary password (in a real app, you'd send an invitation email)
-    const tempPassword = `temp${Math.random().toString(36).slice(-8)}`;
-    const hashedPassword = await hash(tempPassword, 10);
-
-    // Create the user
+    // Create the user placeholder (they'll complete signup via Neon Auth)
     const user = await prisma.user.create({
       data: {
         name,
         email,
-        password: hashedPassword,
         role,
         companyId,
-        invitedBy: session.user.email,
+        invitedBy: platformUser.email,
         invitedAt: new Date(),
       },
       select: {
@@ -94,13 +85,12 @@ export async function POST(
       },
     });
 
-    // In a real application, you would send an email with login credentials
-    // For now, we'll return the temporary password
+    // TODO: Send invitation email with sign-up link
     return NextResponse.json({
       user,
-      tempPassword, // Remove this in production and send via email
+      signupUrl: "/auth/sign-up",
       message:
-        "User invited successfully. In production, credentials would be sent via email.",
+        "User invited. They should sign up at /auth/sign-up with this email.",
     });
   } catch (error) {
     console.error("Platform user invitation error:", error);
@@ -117,9 +107,9 @@ export async function GET(
   { params }: { params: Promise<{ id: string }> }
 ) {
   try {
-    const session = await getServerSession(platformAuthOptions);
+    const { user } = await getAuthenticatedPlatformUser();
 
-    if (!session?.user?.isPlatformUser) {
+    if (!user) {
       return NextResponse.json(
         { error: "Platform access required" },
         { status: 401 }