{
  "release_name": "2026.03.31-search-hardening",
  "scope_summary": "Adds query guardrails, dependency upgrades, and an index migration for the search service.",
  "risks": [
    {
      "severity": "high",
      "summary": "Index migration must complete before traffic shift."
    },
    {
      "severity": "medium",
      "summary": "Cache warm-up may temporarily increase search latency."
    }
  ],
  "migrations": "Run search_index_v7 migration before rollout. Rollback is safe only before background reindex completion.",
  "rollout_steps": [
    "Run migration in primary region.",
    "Verify index health and shard count.",
    "Shift 10 percent traffic and monitor search latency.",
    "Shift remaining traffic after 15 minutes of stable metrics."
  ],
  "rollback_triggers": [
    "Search error rate above 2 percent for 5 minutes.",
    "Median latency increases above 400ms after warm-up window."
  ],
  "stakeholder_messages": {
    "engineering-oncall": "Monitor search dashboards during the first 15 minutes after traffic shift.",
    "support": "Watch for search degradation tickets during the release window.",
    "leadership": "Release is go-with-conditions because migration timing is critical."
  },
  "decision": "GO WITH CONDITIONS"
}