Fix seam patch: target _opencode block by unique indent (3 apiKey seams exist)

run_job.sh

@@ -60,9 +60,13 @@ import openenv.harbor.seams as seams
 
 path = seams.__file__
 src = open(path).read()
-old = '"apiKey": session,'
-new = '"apiKey": session,\n                        "headers": {"x-api-key": session},'
-assert src.count(old) == 1, f"expected exactly one apiKey seam in {path}"
+# Target only the _opencode seam: its apiKey/timeout pair at 24-space indent is
+# unique (other harnesses share the strings at different indents).
+old = '"apiKey": session,\n                        "timeout": 600_000,'
+new = ('"apiKey": session,\n'
+       '                        "headers": {"x-api-key": session},\n'
+       '                        "timeout": 600_000,')
+assert src.count(old) == 1, f"opencode seam not found in {path}"
 open(path, "w").write(src.replace(old, new))
 print("patched", path)
 EOF