fix: resolve all lint errors, improve type safety, and remove unused code

Remove unused imports, replace `any` types with proper interfaces in directus.ts
and i18n-loader.ts, exclude scripts/ and coverage/ from ESLint, and fix
unused variable warnings across the codebase.

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

scripts/update-hobbies.js

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-require-imports */
 const fetch = require('node-fetch');
 require('dotenv').config();
 
@@ -136,8 +137,8 @@ async function syncHobbies() {
           })
         });
       }
-    } catch (e) {
-      console.error(`Failed to sync ${hobby.key}:`, e.message);
+    } catch (_e) {
+      console.error(`Failed to sync ${hobby.key}:`, _e.message);
     }
   }
 
@@ -154,7 +155,7 @@ async function syncHobbies() {
         headers: { 'Authorization': `Bearer ${DIRECTUS_TOKEN}` }
       });
     }
-  } catch (e) {}
+  } catch (_e) {}
 
   console.log('✅ Done!');
 }