chore(sketch): 🏷️ rigidify object label constraints for name conv

scripts/fcinfo.ts

@@ -4,7 +4,7 @@ const getStaged = new Deno.Command('git', {
 
 const { stdout } = await getStaged.output()
 const staged = new TextDecoder().decode(stdout).split(/\r?\n/).filter((path) =>
-	path.startsWith('sketch/')
+	path.startsWith('sketch/') && path.endsWith('.FCStd')
 )
 
 for (const file of staged) {

sketch/name_conv.ts

@@ -24,7 +24,7 @@ const objectLabel: Constraint = {
 	kind: 'object:label',
 	format: '$label',
 	fields: {
-		label: [/.+/],
+		label: [snakeCaseLabel],
 	},
 }