style: switch from tab to space indentation in frontend and worker/php

Update biome.json indentStyle from "tab" to "space" and reformat all
files in both workspaces.

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

1 files changed, 14 insertions, 14 deletions

diff --git a/frontend/app/components/UserIcon.tsx b/frontend/app/components/UserIcon.tsx
index b2750dd..9c57c42 100644
--- a/frontend/app/components/UserIcon.tsx
+++ b/frontend/app/components/UserIcon.tsx
@@ -1,21 +1,21 @@
 import { BASE_PATH } from "../config";
 
 type Props = {
-	iconPath: string;
-	displayName: string;
-	className: string;
+  iconPath: string;
+  displayName: string;
+  className: string;
 };
 
 export default function UserIcon({ iconPath, displayName, className }: Props) {
-	return (
-		<img
-			src={
-				process.env.NODE_ENV === "development"
-					? `http://localhost:8007${BASE_PATH}${iconPath}`
-					: `${BASE_PATH}${iconPath}`
-			}
-			alt={`${displayName} のアイコン`}
-			className={`rounded-full border-4 border-white ${className}`}
-		/>
-	);
+  return (
+    <img
+      src={
+        process.env.NODE_ENV === "development"
+          ? `http://localhost:8007${BASE_PATH}${iconPath}`
+          : `${BASE_PATH}${iconPath}`
+      }
+      alt={`${displayName} のアイコン`}
+      className={`rounded-full border-4 border-white ${className}`}
+    />
+  );
 }