fix(run-engine): keep the ck-limits key builders while the Lua reads remain

The per-key admit reads are removed in the PR above alongside the rest of
the engine-internal plumbing; the key builders they reference stay until
then so every level of the stack compiles.

Author: matt-aitken

internal-packages/run-engine/src/run-queue/keyProducer.ts

@@ -366,6 +366,14 @@ export class RunQueueFullKeyProducer implements RunQueueKeyProducer {
     return `${this.baseQueueKeyFromQueue(queue)}:${constants.TOTAL_CONCURRENCY_LIMIT_PART}`;
   }
 
+  queueCkLimitsKey(env: RunQueueKeyProducerEnvironment, queue: string): string {
+    return `${this.queueKey(env, queue)}:ckLimits`;
+  }
+
+  queueCkLimitsKeyFromQueue(queue: string): string {
+    return `${this.baseQueueKeyFromQueue(queue)}:ckLimits`;
+  }
+
   isCkWildcard(queue: string): boolean {
     return queue.endsWith(":ck:*");
   }

internal-packages/run-engine/src/run-queue/types.ts

@@ -111,6 +111,9 @@ export interface RunQueueKeyProducer {
   queueTotalConcurrencyLimitKey(env: RunQueueKeyProducerEnvironment, queue: string): string;
   queueTotalConcurrencyLimitKeyFromQueue(queue: string): string;
 
+  queueCkLimitsKey(env: RunQueueKeyProducerEnvironment, queue: string): string;
+  queueCkLimitsKeyFromQueue(queue: string): string;
+
   //env oncurrency
   envCurrentConcurrencyKey(env: EnvDescriptor): string;
   envCurrentConcurrencyKey(env: RunQueueKeyProducerEnvironment): string;