test(ai-toolbar): cover paste gating behavior

tests/ai-toolbar.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, test } from "bun:test";
 import { readFileSync } from "node:fs";
+import { shouldEnableGlobalPasteCapture } from "@/components/ai-toolbar";
 import { buttonVariants } from "@/components/ui/button";
 import { getAiDisabledMessage } from "@/lib/ai-feature-flags";
 import { cn } from "@/lib/utils";
@@ -325,14 +326,50 @@ describe("Keyboard shortcuts – toolbar integration contract", () => {
 
 describe("Global paste capture – AI availability gate", () => {
 	test("document-level paste handlers only arm when AI is actually usable", () => {
-		const source = readToolbarSource();
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: false,
+				canUseAi: true,
+				aiLoading: false,
+			}),
+		).toBe(true);
 
-		expect(source).toContain(
-			"if (!isAuthenticated || isPending || !canUseAi || aiLoading) return;",
-		);
-		expect(source).toContain(
-			"}, [isAuthenticated, isPending, canUseAi, aiLoading]);",
-		);
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: false,
+				isPending: false,
+				canUseAi: true,
+				aiLoading: false,
+			}),
+		).toBe(false);
+
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: true,
+				canUseAi: true,
+				aiLoading: false,
+			}),
+		).toBe(false);
+
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: false,
+				canUseAi: false,
+				aiLoading: false,
+			}),
+		).toBe(false);
+
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: false,
+				canUseAi: true,
+				aiLoading: true,
+			}),
+		).toBe(false);
 	});
 });