feat: use a static version id for the router configs generated by wgc router compose (#2337)

Author: JivusAyrus

cli/src/commands/router/commands/compose.ts

@@ -1,6 +1,5 @@
 import { existsSync } from 'node:fs';
 import { readFile, writeFile } from 'node:fs/promises';
-import { randomUUID } from 'node:crypto';
 import {
   buildRouterConfig,
   type ComposedSubgraph,
@@ -29,6 +28,8 @@ import { FederationSuccess, ROUTER_COMPATIBILITY_VERSION_ONE } from '@wundergrap
 import { BaseCommandOptions } from '../../../core/types/types.js';
 import { composeSubgraphs, introspectSubgraph } from '../../../utils.js';
 
+const STATIC_SCHEMA_VERSION_ID = '00000000-0000-0000-0000-000000000000';
+
 type ConfigSubgraph = StandardSubgraphConfig | SubgraphPluginConfig | GRPCSubgraphConfig;
 
 type StandardSubgraphConfig = {
@@ -241,19 +242,19 @@ export default (opts: BaseCommandOptions) => {
       console.log(compositionWarningsTable.toString());
     }
 
-    const federatedClientSDL = result.shouldIncludeClientSchema ? printSchema(result.federatedGraphClientSchema) : '';
+    const federatedClientSDL = result.shouldIncludeClientSchema
+      ? printSchemaWithDirectives(result.federatedGraphClientSchema)
+      : '';
     const routerConfig = buildRouterConfig({
       federatedClientSDL,
       federatedSDL: printSchemaWithDirectives(result.federatedGraphSchema),
       fieldConfigurations: result.fieldConfigurations,
       // @TODO get router compatibility version programmatically
       routerCompatibilityVersion: ROUTER_COMPATIBILITY_VERSION_ONE,
-      schemaVersionId: 'static',
+      schemaVersionId: STATIC_SCHEMA_VERSION_ID,
       subgraphs: subgraphs.map((s, index) => constructRouterSubgraph(result, s, index)),
     });
 
-    routerConfig.version = randomUUID();
-
     if (config.feature_flags && config.feature_flags.length > 0) {
       const ffConfigs = await buildFeatureFlagsConfig(config, inputFileLocation, subgraphs, options);
       routerConfig.featureFlagConfigs = ffConfigs;
@@ -663,7 +664,7 @@ async function buildFeatureFlagsConfig(
       engineConfig: featureRouterConfig.engineConfig,
     });
 
-    ffConfigs.configByFeatureFlagName[ff.name].version = randomUUID();
+    ffConfigs.configByFeatureFlagName[ff.name].version = STATIC_SCHEMA_VERSION_ID;
   }
 
   return ffConfigs;