docs(phase29aj): isolate phase286 pattern9 legacy smoke

tools/smokes/v2/profiles/integration/joinir/phase286_pattern9_legacy_pack.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+# phase286_pattern9_legacy_pack.sh - Pattern9 legacy pack (intentionally skipped)
+
+source "$(dirname "$0")/../../../lib/test_runner.sh"
+require_env || exit 2
+
+test_skip "phase286_pattern9_legacy_pack" "phase286_pattern9_frag_poc uses plugins disabled path; provider expectations mismatch"
+exit 0