type safety improvements

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

Author: abhinavDhulipala

apps/sim/blocks/blocks/dagster.ts

@@ -149,7 +149,7 @@ Return ONLY a valid JSON object - no explanations, no extra text.`,
       tool: (params) => `dagster_${params.operation}`,
       params: (params) => {
         const result: Record<string, unknown> = {}
-        if (params.limit) result.limit = Number(params.limit)
+        if (params.limit != null && params.limit !== '') result.limit = Number(params.limit)
         // Map list_runs job name filter to the correct param
         if (params.listRunsJobName) result.jobName = params.listRunsJobName
         return result

apps/sim/tools/dagster/types.ts

@@ -5,7 +5,7 @@ export interface DagsterBaseParams {
   /** Dagster host URL (e.g., https://myorg.dagster.cloud/prod or http://localhost:3001) */
   host: string
   /** Dagster+ API token */
-  apiKey: string
+  apiKey?: string
 }
 
 /** Launch Run */