fix(import): omit runtimeVersion for Container builds

Container runtimes have no runtimeVersion from the API, but
toAgentEnvSpec was hardcoding PYTHON_3_12 as a fallback. Now
runtimeVersion is optional in the schema and only set for
non-Container builds.

Author: jesseturner21

src/lib/packaging/index.ts

@@ -67,7 +67,7 @@ export function getContainerPackager(): RuntimePackager {
  * Automatically selects the appropriate packager based on build type and runtime version.
  */
 export async function packRuntime(spec: AgentEnvSpec, options?: PackageOptions): Promise<ArtifactResult> {
-  const packager = spec.build === 'Container' ? getContainerPackager() : getRuntimePackager(spec.runtimeVersion);
+  const packager = spec.build === 'Container' ? getContainerPackager() : getRuntimePackager(spec.runtimeVersion!);
   return packager.pack(spec, options);
 }
 

src/lib/packaging/node.ts

@@ -54,7 +54,7 @@ export class NodeCodeZipPackager implements RuntimePackager {
       throw new PackagingError('Node packager only supports CodeZip build type.');
     }
 
-    if (!isNodeRuntimeVersion(spec.runtimeVersion)) {
+    if (!isNodeRuntimeVersion(spec.runtimeVersion!)) {
       throw new PackagingError(`Node packager only supports Node runtimes. Received: ${spec.runtimeVersion}`);
     }
 

src/lib/packaging/python.ts

@@ -60,7 +60,7 @@ export class PythonCodeZipPackager implements RuntimePackager {
       throw new PackagingError('Python packager only supports CodeZip build type.');
     }
 
-    if (!isPythonRuntimeVersion(spec.runtimeVersion)) {
+    if (!isPythonRuntimeVersion(spec.runtimeVersion!)) {
       throw new PackagingError(`Python packager only supports Python runtimes. Received: ${spec.runtimeVersion}`);
     }
 

src/schema/llm-compacted/agentcore.ts

@@ -46,7 +46,7 @@ interface AgentEnvSpec {
   build: BuildType;
   entrypoint: string; // @regex ^[a-zA-Z0-9_][a-zA-Z0-9_/.-]*\.(py|ts|js)(:[a-zA-Z_][a-zA-Z0-9_]*)?$ e.g. "main.py:handler" or "index.ts"
   codeLocation: string; // Directory path
-  runtimeVersion: RuntimeVersion;
+  runtimeVersion?: RuntimeVersion;
   envVars?: EnvVar[];
   networkMode?: NetworkMode; // default 'PUBLIC'
   networkConfig?: NetworkConfig; // Required when networkMode is 'VPC'

src/schema/schemas/agent-env.ts

@@ -181,7 +181,7 @@ export const AgentEnvSpecSchema = z
     build: BuildTypeSchema,
     entrypoint: EntrypointSchema,
     codeLocation: DirectoryPathSchema,
-    runtimeVersion: RuntimeVersionSchemaFromConstants,
+    runtimeVersion: RuntimeVersionSchemaFromConstants.optional(),
     /** Environment variables to set on the runtime */
     envVars: z.array(EnvVarSchema).optional(),
     /** Network mode for the runtime. Defaults to PUBLIC. */