fix(orchestrator): join() requires separator arg in Groovy

Mbd06b · claude · Mbd06b · commit 6aa3bf1a5ce0 · 2026-04-09T00:06:17.000Z
ArrayList.join() with no args is valid in JS but not Groovy, causing
MissingMethodException in the build-graph comparison matrix. Pass ', '
explicitly.

Co-Authored-By: Claude Opus 4.6 (1M context) &lt;noreply@anthropic.com&gt;
diff --git a/genesis/orchestrator/build-graph.groovy b/genesis/orchestrator/build-graph.groovy
@@ -607,7 +607,7 @@ def formatComparisonMatrix(Map pipelinesAnalysis, Map graphStaleMap, Map graph)
         def matchIcon = match ? '  ✓   ' : '  ✗   '
         def detail = ''
         if (!match && gResult) {
-            detail = graphPipelines[pipeline].reasons.take(1).join()
+            detail = graphPipelines[pipeline].reasons.take(1).join(', ')
         }
         if (!match && !gResult && pResult) {
             detail = 'PIPELINES false positive?'

Original file line number	Diff line number	Diff line change
`@@ -607,7 +607,7 @@ def formatComparisonMatrix(Map pipelinesAnalysis, Map graphStaleMap, Map graph)`
`607`	`607`	`def matchIcon = match ? ' ✓ ' : ' ✗ '`
`608`	`608`	`def detail = ''`
`609`	`609`	`if (!match && gResult) {`
`610`		`- detail = graphPipelines[pipeline].reasons.take(1).join()`
	`610`	`+ detail = graphPipelines[pipeline].reasons.take(1).join(', ')`
`611`	`611`	`}`
`612`	`612`	`if (!match && !gResult && pResult) {`
`613`	`613`	`detail = 'PIPELINES false positive?'`