feat: refine builder skill chip flows

scripts/isac-data-export.mjs

@@ -2,7 +2,11 @@ import { connect } from '@tursodatabase/database';
 import { mkdir, readFile, writeFile } from 'node:fs/promises';
 import { basename, dirname, join, resolve } from 'node:path';
 import process from 'node:process';
-import { ISAC_DATA_TABLES, quoteIdentifier } from './isac-data-tables.mjs';
+import {
+  ISAC_DATA_FORMAT_VERSION,
+  ISAC_DATA_TABLES,
+  quoteIdentifier,
+} from './isac-data-tables.mjs';
 
 const databasePath = resolve(
   process.env.TDR_DATABASE_PATH || './data/shd-build-development.db',
@@ -67,7 +71,7 @@ for (const row of [
 
 const snapshot = {
   format: 'shd-build-isac-data',
-  version: 4,
+  version: ISAC_DATA_FORMAT_VERSION,
   createdAt: new Date().toISOString(),
   sourceDatabase: basename(databasePath),
   totalRows,