chore: upgrade i18next 26, prettier 3, fontsource-variable, domhandler 6, lint-staged 17

- i18next 23->26 + react-i18next 15->17
- prettier 2->3, reformat all files
- replace @fontsource/inter with @fontsource-variable/inter 5, update import path
- domhandler 5->6 (aligns with transitive deps)
- lint-staged 16->17

src/app/utils/ASCIILexicalTable.ts

@@ -39,7 +39,7 @@ export class ASCIILexicalTable {
       console.warn(
         `[!] Warning: ASCIILexicalTable size is larger than the Number.MAX_SAFE_INTEGER: ${this.size()} > ${
           Number.MAX_SAFE_INTEGER
-        }`
+        }`,
       );
     }
   }
@@ -333,7 +333,7 @@ export class ASCIILexicalTable {
 
 const findNextFilledKey = (
   fromIndex: number,
-  keys: Array<string | undefined>
+  keys: Array<string | undefined>,
 ): [number, string] | [-1, undefined] => {
   for (let j = fromIndex; j < keys.length; j += 1) {
     const key = keys[j];
@@ -347,7 +347,7 @@ const findNextFilledKey = (
 
 export const orderKeys = (
   lex: ASCIILexicalTable,
-  keys: Array<string | undefined>
+  keys: Array<string | undefined>,
 ): Array<string> | undefined => {
   const newKeys: string[] = [];
 
@@ -368,7 +368,7 @@ export const orderKeys = (
       const generatedKeys = lex.nBetween(
         keyToGenerateCount,
         key ?? lex.first(),
-        nextKey ?? lex.last()
+        nextKey ?? lex.last(),
       );
       if (generatedKeys) {
         collectedKeys.push(...generatedKeys);