feat: don't add n/no-missing-import if usage doesn't need it (#1862)

## PR Checklist

- [x] Addresses an existing open issue: fixes #1850
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/create-typescript-app/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/create-typescript-app/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

💖

Author: JoshuaKGoldberg

script/__snapshots__/migrate-test-e2e.ts.snap

@@ -195,19 +195,6 @@ exports[`expected file changes > eslint.config.js 1`] = `
  			// Stylistic concerns that don't interfere with Prettier
  			"logical-assignment-operators": [
  				"error",
-@@ ... @@ export default tseslint.config(
- 	{
- 		extends: [tseslint.configs.disableTypeChecked],
- 		files: ["**/*.md/*.ts"],
-+		rules: {
-+			"n/no-missing-import": [
-+				"error",
-+				{ allowModules: ["create-typescript-app"] },
-+			],
-+		},
- 	},
- 	{
- 		extends: [vitest.configs.recommended],"
 `;
 
 exports[`expected file changes > knip.json 1`] = `

src/next/blocks/blockESLintNode.test.ts

@@ -0,0 +1,99 @@
+import { testBlock } from "create-testers";
+import { describe, expect, test, vi } from "vitest";
+
+import { blockESLintNode } from "./blockESLintNode.js";
+import { optionsBase } from "./options.fakes.js";
+
+vi.mock("../utils/resolveBin.js", () => ({
+	resolveBin: (bin: string) => `path/to/${bin}`,
+}));
+
+describe("blockESLintNode", () => {
+	test("when options.usage does not have a repository import", () => {
+		const creation = testBlock(blockESLintNode, {
+			options: { ...optionsBase, usage: `...` },
+		});
+
+		expect(creation).toMatchInlineSnapshot(`
+			{
+			  "addons": [
+			    {
+			      "addons": {
+			        "extensions": [
+			          "n.configs["flat/recommended"]",
+			          {
+			            "extends": [
+			              "tseslint.configs.disableTypeChecked",
+			            ],
+			            "files": [
+			              "**/*.md/*.ts",
+			            ],
+			          },
+			        ],
+			        "imports": [
+			          {
+			            "source": "eslint-plugin-n",
+			            "specifier": "n",
+			          },
+			        ],
+			      },
+			      "block": [Function],
+			    },
+			  ],
+			}
+		`);
+	});
+
+	test("when options.usage does have a repository import", () => {
+		const creation = testBlock(blockESLintNode, {
+			options: {
+				...optionsBase,
+				usage: `\`\`\`ts
+import { greet } from "${optionsBase.repository}";
+
+greet();
+\`\`\`
+				`,
+			},
+		});
+
+		expect(creation).toMatchInlineSnapshot(`
+			{
+			  "addons": [
+			    {
+			      "addons": {
+			        "extensions": [
+			          "n.configs["flat/recommended"]",
+			          {
+			            "extends": [
+			              "tseslint.configs.disableTypeChecked",
+			            ],
+			            "files": [
+			              "**/*.md/*.ts",
+			            ],
+			            "rules": {
+			              "n/no-missing-import": [
+			                "error",
+			                {
+			                  "allowModules": [
+			                    "test-repository",
+			                  ],
+			                },
+			              ],
+			            },
+			          },
+			        ],
+			        "imports": [
+			          {
+			            "source": "eslint-plugin-n",
+			            "specifier": "n",
+			          },
+			        ],
+			      },
+			      "block": [Function],
+			    },
+			  ],
+			}
+		`);
+	});
+});

src/next/blocks/blockESLintNode.ts

@@ -14,12 +14,14 @@ export const blockESLintNode = base.createBlock({
 						{
 							extends: ["tseslint.configs.disableTypeChecked"],
 							files: ["**/*.md/*.ts"],
-							rules: {
-								"n/no-missing-import": [
-									"error",
-									{ allowModules: [options.repository] },
-								],
-							},
+							...(options.usage?.includes(`from "${options.repository}`) && {
+								rules: {
+									"n/no-missing-import": [
+										"error",
+										{ allowModules: [options.repository] },
+									],
+								},
+							}),
 						},
 					],
 					imports: [{ source: "eslint-plugin-n", specifier: "n" }],