fix: harden launch server runtime and public config

src/enterpriseVideoBilling.js

@@ -11,6 +11,12 @@ const ENTERPRISE_VIDEO_ALLOWED_MODELS = new Set([
   "kling-3.0-dashscope",
   "kling-v3-omni-dashscope",
   "kling/kling-v3-omni-video-generation",
+  "vidu-q3-turbo",
+  "vidu-q3-turbo-t2v",
+  "vidu-q3-turbo-i2v",
+  "pixverse-c1",
+  "pixverse-c1-t2v",
+  "pixverse-c1-i2v",
 ]);
 
 function normalizeModel(value) {
@@ -43,6 +49,8 @@ function isEnterpriseVideoModelAllowed(providerConfig, model) {
   if (protocol === "wan-animate-mix") return true;
   if (protocol === "wan-s2v") return true;
   if (protocol === "kling-dashscope") return true;
+  if (protocol === "vidu") return true;
+  if (protocol === "pixverse") return true;
   return false;
 }
 
@@ -78,6 +86,14 @@ function getEnterpriseVideoCreditRate(input) {
     return resolution === "720P" ? 0.9 : 1.2;
   }
 
+  if (model.includes("vidu")) {
+    return resolution === "720P" ? 0.6 : 1.0;
+  }
+
+  if (model.includes("pixverse")) {
+    return resolution === "720P" ? 0.6 : 1.0;
+  }
+
   const error = new Error(`Unsupported enterprise video model: ${input.model || input.requestedModel}`);
   error.status = 403;
   error.code = "ENTERPRISE_VIDEO_MODEL_NOT_ALLOWED";
@@ -194,6 +210,21 @@ async function markEnterpriseVideoCreditsAccepted(clientOrPool, creditLedgerId)
   return rowCount > 0;
 }
 
+async function refundEnterpriseVideoCredits(clientOrPool, billing, reason) {
+  if (!billing || !billing.creditLedgerId) return false;
+  const { rowCount } = await clientOrPool.query(
+    "UPDATE credit_ledger SET status = 'refunded', refund_reason = $1, updated_at = NOW() WHERE id = $2 AND status = 'reserved'",
+    [reason || null, billing.creditLedgerId],
+  );
+  if (rowCount > 0 && billing.amountCents > 0 && billing.enterpriseId) {
+    await clientOrPool.query(
+      "UPDATE enterprises SET balance_cents = balance_cents + $1, updated_at = NOW() WHERE id = $2",
+      [billing.amountCents, billing.enterpriseId],
+    );
+  }
+  return rowCount > 0;
+}
+
 module.exports = {
   ENTERPRISE_VIDEO_ALLOWED_MODELS,
   assertEnterpriseVideoModelAllowed,
@@ -206,5 +237,6 @@ module.exports = {
   normalizeEnterpriseVideoDuration,
   normalizeEnterpriseVideoResolution,
   prepareEnterpriseVideoBilling,
+  refundEnterpriseVideoCredits,
   reserveEnterpriseVideoCredits,
 };