Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: BigMichi1

src/bot/database/codeManager.ts

@@ -83,7 +83,16 @@ class CodeManager {
     if (codes.length === 0 || discordIds.length === 0) return new Map();
     // Budget per query: codes.length (inArray) + 3 (status OR literals) + chunk size (discordIds inArray).
     const SQLITE_MAX_PARAMS = 999;
-    const chunkSize = Math.max(1, SQLITE_MAX_PARAMS - codes.length - 3);
+    const STATUS_PARAM_COUNT = 3;
+    const MIN_DISCORD_ID_CHUNK_SIZE = 1;
+    const maxCodesPerQuery = SQLITE_MAX_PARAMS - STATUS_PARAM_COUNT - MIN_DISCORD_ID_CHUNK_SIZE;
+    if (codes.length > maxCodesPerQuery) {
+      throw new Error(
+        `Too many codes provided to getRedeemedCodesByUsers: ${codes.length}. ` +
+          `This query supports at most ${maxCodesPerQuery} codes per call within SQLite's parameter limit of ${SQLITE_MAX_PARAMS}.`
+      );
+    }
+    const chunkSize = SQLITE_MAX_PARAMS - codes.length - STATUS_PARAM_COUNT;
     const result = new Map<string, Set<string>>();
     for (let i = 0; i < discordIds.length; i += chunkSize) {
       const chunk = discordIds.slice(i, i + chunkSize);