feat(types): generate and wire Supabase Database types

.prettierignore

@@ -15,6 +15,9 @@ yarn.lock
 # Ignore scripts folder
 scripts/
 
+# Generated Supabase types (kept byte-identical to `supabase gen types` output)
+src/lib/types/database.ts
+
 # Ignore Playwright artifacts
 test-results/
 playwright-report/

eslint.config.js

@@ -10,6 +10,9 @@ const gitignorePath = fileURLToPath(new URL('./.gitignore', import.meta.url));
 
 export default ts.config(
   includeIgnoreFile(gitignorePath),
+  // Generated Supabase types are kept byte-identical to the `supabase gen types`
+  // output, so they are exempt from lint/format rules.
+  { ignores: ['src/lib/types/database.ts'] },
   js.configs.recommended,
   ...ts.configs.recommended,
   ...svelte.configs.recommended,

src/lib/queries/contestQueries.ts

@@ -102,7 +102,9 @@ export async function fetchContestFeedback(): Promise<Record<string, 'like' | 'd
       console.error('Error fetching user contest feedback:', error);
       return {};
     }
-    return Object.fromEntries(data.map((item) => [item.contest_id, item.feedback_type]));
+    return Object.fromEntries(
+      data.map((item) => [item.contest_id, item.feedback_type as 'like' | 'dislike' | null])
+    );
   } catch (error) {
     console.error('Failed to fetch user contest feedback:', error);
     return {};

src/lib/queries/problemQueries.ts

@@ -102,7 +102,9 @@ export async function fetchProblemFeedback(): Promise<Record<string, 'like' | 'd
       console.error('Error fetching user feedback:', error);
       return {};
     }
-    return Object.fromEntries(data.map((item) => [item.problem_id, item.feedback_type]));
+    return Object.fromEntries(
+      data.map((item) => [item.problem_id, item.feedback_type as 'like' | 'dislike' | null])
+    );
   } catch (error) {
     console.error('Failed to fetch user feedback:', error);
     return {};

src/lib/server/authorization.ts

@@ -1,11 +1,12 @@
 import { json } from '@sveltejs/kit';
 import { createClient, type SupabaseClient } from '@supabase/supabase-js';
 import { PUBLIC_SUPABASE_ANON_KEY, PUBLIC_SUPABASE_URL } from '$env/static/public';
+import type { Database } from '$lib/types/database';
 
 export type AuthorizedUser = {
   authorized: true;
   userId: string;
-  supabase: SupabaseClient;
+  supabase: SupabaseClient<Database>;
 };
 
 export type AuthorizationDenied = {
@@ -28,7 +29,7 @@ export async function requireUser(request: Request): Promise<AuthorizationResult
     };
   }
 
-  const supabase = createClient(PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY, {
+  const supabase = createClient<Database>(PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY, {
     global: { headers: { Authorization: `Bearer ${token}` } },
     auth: { persistSession: false, autoRefreshToken: false }
   });

src/lib/services/database.ts

@@ -1,7 +1,8 @@
 import { createClient } from '@supabase/supabase-js';
 import { PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY } from '$env/static/public';
+import type { Database } from '$lib/types/database';
 
 const supabaseUrl = PUBLIC_SUPABASE_URL;
 const supabaseKey = PUBLIC_SUPABASE_ANON_KEY;
 
-export const supabase = createClient(supabaseUrl, supabaseKey);
+export const supabase = createClient<Database>(supabaseUrl, supabaseKey);