Plug Nouveau APIs with API lifecycle

[m5r]

What feature do you want to improve?

Describe the improvement you'd like

• warm index and track indexing progress (maybe?) in https://github.com/medic/cht-core/blob/couchdb-nouveau/api/src/services/setup/upgrade-steps.js#L100
• clean up in https://github.com/medic/cht-core/blob/couchdb-nouveau/api/src/services/setup/utils.js#L55

Additional context
Track indexing progress: GET /_active_tasks

Example response with nouveau indexing in progress:

[
  {
    "node": "[email protected]",
    "pid": "<0.22282.4>",
    "process_status": "running",
    "changes_done": 915433,
    "database": "shards/20000000-3fffffff/medic.1559595003",
    "design_document": "_design/medic-nouveau",
    "index": "contacts_by_freetext",
    "progress": 92,
    "started_on": 1732718731,
    "total_changes": 984938,
    "type": "search_indexer",
    "updated_on": 1732719464
  },
  {
    "node": "[email protected]",
    "pid": "<0.22283.4>",
    "process_status": "waiting",
    "changes_done": 864788,
    "database": "shards/20000000-3fffffff/medic.1559595003",
    "design_document": "_design/medic-nouveau",
    "index": "reports_by_freetext",
    "progress": 87,
    "started_on": 1732718731,
    "total_changes": 984938,
    "type": "search_indexer",
    "updated_on": 1732719464
  },
  {
    "node": "[email protected]",
    "pid": "<0.22358.4>",
    "process_status": "waiting",
    "changes_done": 914830,
    "database": "shards/00000000-1fffffff/medic.1  559595003",
    "design_document": "_design/medic-nouveau",
    "index": "contacts_by_freetext",
    "progress": 92,
    "started_on": 1732718731,
    "total_changes": 987896,
    "type": "search_indexer",
    "updated_on": 1732719464
  },
  {
    "node": "[email protected]",
    "pid": "<0.22359.4>",
    "process_status": "waiting",
    "changes_done": 865463,
    "database": "shards/00000000-1fffffff/medic.1559595003",
    "design_document": "_design/medic-nouveau",
    "index": "reports_by_freetext",
    "progress": 87,
    "started_on": 1732718731,
    "total_changes": 987896,
    "type": "search_indexer",
    "updated_on": 1732719464
  }
]

Clean up nouveau indexes: POST /{db}/_search_cleanup