feat(admin): unified ticket inbox over CMS and help-center queues

Merged read-model inbox at /admin/tickets and /mod/tickets with type badges and deep links; CMS-only lists moved to /desk. No DB schema merge.

Co-authored-by: Cursor <[email protected]>

src/lib/staff-smoke-contract.test.ts

@@ -125,9 +125,9 @@ describe("staff smoke contract", () => {
 
 	it("guards dual ticket queues on admin and mod", () => {
 		for (const path of [
-			"src/app/admin/tickets/page.tsx",
+			"src/app/admin/tickets/desk/page.tsx",
 			"src/app/admin/help-tickets/page.tsx",
-			"src/app/mod/tickets/page.tsx",
+			"src/app/mod/tickets/desk/page.tsx",
 			"src/app/mod/help-tickets/page.tsx",
 		]) {
 			expect(existsSync(path), path).toBe(true);
@@ -135,6 +135,25 @@ describe("staff smoke contract", () => {
 		}
 	});
 
+	it("ships unified ticket inbox over both queues", () => {
+		expect(existsSync("src/lib/admin/ticket-inbox.ts")).toBe(true);
+		expect(readFileSync("src/lib/admin/ticket-inbox.ts", "utf8")).toContain(
+			"fetchUnifiedTicketInbox",
+		);
+		expect(existsSync("src/components/admin/unified-tickets-table.tsx")).toBe(
+			true,
+		);
+		expect(readFileSync("src/app/admin/tickets/page.tsx", "utf8")).toContain(
+			"fetchUnifiedTicketInbox",
+		);
+		expect(readFileSync("src/app/mod/tickets/page.tsx", "utf8")).toContain(
+			"fetchUnifiedTicketInbox",
+		);
+		expect(readFileSync("src/lib/admin-nav.ts", "utf8")).toContain(
+			"ticketInbox",
+		);
+	});
+
 	it("ships items_base browser", () => {
 		expect(existsSync("src/app/admin/items/page.tsx")).toBe(true);
 		expect(existsSync("src/app/admin/items/[id]/page.tsx")).toBe(true);