feat(03-02): server actions + getAllServices query for service catalog

- Create src/app/admin/catalog/actions.ts with createService, updateService, toggleServiceActive
- Each action includes requireAdmin() guard via getServerSession
- Zod validation: name (min 1), unit_price (coerce.number min 0.01)
- Add getAllServices() to src/lib/admin-queries.ts ordered by name
- Import service_catalog and ServiceCatalog types in admin-queries.ts

src/lib/admin-queries.ts

@@ -9,6 +9,7 @@ import {
   documents,
   notes,
   time_entries,
+  service_catalog,
 } from "@/db/schema";
 import { eq, inArray, asc, isNull, sql } from "drizzle-orm";
 import type {
@@ -20,6 +21,7 @@ import type {
   Document,
   Note,
   Comment,
+  ServiceCatalog,
 } from "@/db/schema";
 
 export type ClientWithPayments = {
@@ -188,4 +190,11 @@ export async function getClientFullDetail(id: string): Promise<ClientFullDetail
     notes: notesRows,
     comments: commentsRows,
   };
+}
+
+export async function getAllServices(): Promise<ServiceCatalog[]> {
+  return db
+    .select()
+    .from(service_catalog)
+    .orderBy(asc(service_catalog.name));
 }