feat: surface stack versions in app footer

kraiken-lib/src/index.ts

@@ -23,4 +23,10 @@ export { KRAIKEN_ABI, STAKE_ABI, ABIS } from './abis.js';
 // Backward compatible aliases
 export { KRAIKEN_ABI as KraikenAbi, STAKE_ABI as StakeAbi } from './abis.js';
 
-export { KRAIKEN_LIB_VERSION, COMPATIBLE_CONTRACT_VERSIONS, isCompatibleVersion, getVersionMismatchError } from './version.js';
+export {
+  KRAIKEN_LIB_VERSION,
+  COMPATIBLE_CONTRACT_VERSIONS,
+  STACK_META_ID,
+  isCompatibleVersion,
+  getVersionMismatchError,
+} from './version.js';

kraiken-lib/src/version.ts

@@ -11,6 +11,11 @@
  */
 export const KRAIKEN_LIB_VERSION = 1;
 
+/**
+ * Singleton ID used for stack metadata rows across services.
+ */
+export const STACK_META_ID = 'stack-meta';
+
 /**
  * List of Kraiken contract versions this library is compatible with.
  *