refactor(lint): migrate from ESLint to Biome

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Doarakko

.eslintignore

@@ -1,4 +1,4 @@
-name: eslint
+name: lint
 on: push
 jobs:
   lint:

.eslintrc.json

@@ -0,0 +1,20 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
+  "organizeImports": {
+    "enabled": true
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  },
+  "files": {
+    "ignore": ["dist/"]
+  }
+}

.github/workflows/eslint.yml .github/workflows/lint.yml.github/workflows/eslint.yml renamed to .github/workflows/lint.yml

@@ -1,30 +1,40 @@
-import fetch from "node-fetch";
 import { getInput, setFailed } from "@actions/core";
 import { context } from "@actions/github";
 import { Octokit } from "@octokit/core";
+import fetch from "node-fetch";
 
 async function run() {
   try {
     const githubToken = getInput("github-token");
     const octokit = new Octokit({ auth: githubToken });
 
-    fetch("https://db.ygoprodeck.com/api/v7/cardinfo.php?num=1&offset=0&sort=random&cachebust")
+    fetch(
+      "https://db.ygoprodeck.com/api/v7/cardinfo.php?num=1&offset=0&sort=random&cachebust",
+    )
       .then((response) => {
-        if(!response.ok){
-          console.error('response.ok:', response.ok);
-          console.error('esponse.status:', response.status);
-          console.error('esponse.statusText:', response.statusText);
+        if (!response.ok) {
+          console.error("response.ok:", response.ok);
+          console.error("esponse.status:", response.status);
+          console.error("esponse.statusText:", response.statusText);
           throw new Error("Failed to fetch random card");
         }
         return response.json();
       })
       .then((data) => {
-        if (!(('data' in data) && Array.isArray(data["data"]) && data["data"].length > 0)) {
+        if (
+          !("data" in data && Array.isArray(data.data) && data.data.length > 0)
+        ) {
           throw new Error("Failed to get card");
         }
-        const card = data["data"][0];
+        const card = data.data[0];
         const cardName = card.name;
-        if (!(('card_images' in card) && Array.isArray(card.card_images) && card.card_images.length > 0)) {
+        if (
+          !(
+            "card_images" in card &&
+            Array.isArray(card.card_images) &&
+            card.card_images.length > 0
+          )
+        ) {
           throw new Error("Failed to get card images");
         }
         const imageUrl = card.card_images[0].image_url;
@@ -36,7 +46,7 @@ async function run() {
             owner: context.repo.owner,
             repo: context.repo.repo,
             body: `_**Draw "${cardName}" !**_\n\n![${cardName}](${imageUrl})`,
-          }
+          },
         );
       });
   } catch (error) {