Fs Write

Write a canonical KFS file.

Space-scoped: writes through the same concrete-space APIs as the underlying surface. This bounded Phase 2 slice supports canonical memory files under /memories/by-id/ and /working-memory/today.md. Alias paths return EXDEV and derived paths return EROFS.

curl -X POST "https://example.com/fs/write" \  -H "Content-Type: application/json" \  -d '{    "path": "string"  }'

null

{
  "detail": [
    {
      "loc": [
        "string"
      ],
      "msg": "string",
      "type": "string",
      "input": null,
      "ctx": {}
    }
  ]
}