build: unify bun quality gate

test/vitest-env.ts

@@ -0,0 +1,23 @@
+const CANONICAL_DISCORD_KEYS = new Set([
+  'DISCORD_OWNER_BOT_TOKEN',
+  'DISCORD_REVIEWER_BOT_TOKEN',
+  'DISCORD_ARBITER_BOT_TOKEN',
+]);
+
+const CANONICAL_SESSION_COMMAND_KEYS = new Set([
+  'SESSION_COMMAND_ALLOWED_SENDERS',
+]);
+
+for (const key of Object.keys(process.env)) {
+  if (key.startsWith('DISCORD_') && key.endsWith('_BOT_TOKEN')) {
+    if (!CANONICAL_DISCORD_KEYS.has(key)) {
+      delete process.env[key];
+    }
+    continue;
+  }
+  if (key.startsWith('SESSION_COMMAND_')) {
+    if (!CANONICAL_SESSION_COMMAND_KEYS.has(key)) {
+      delete process.env[key];
+    }
+  }
+}