{
  "schemaVersion": "1.0",
  "sceneId": "saas-platform-arch",
  "fromRevision": 142,
  "toRevision": 145,
  "summary": { "added": 3, "removed": 1, "modified": 1 },
  "added": ["search_v2", "e_gateway_search_v2", "e_search_v2_storage"],
  "removed": ["search"],
  "modified": ["e_catalog_search"],
  "scenario": "Three days of changes on `main`: the legacy `search` service was retired and replaced with `search_v2` (now reading directly from object storage rather than from PostgreSQL). Three small revisions condensed into one diff - the daily scheduled run picked up each change as it landed; this view spans the full week's evolution. The same revision history doubles as the engineering team's architecture changelog."
}