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        "fallback_cache_control": "public, max-age=600, s-maxage=600, stale-while-revalidate=86400, stale-if-error=86400",
        "error_surface": "machine-readable JSON on metadata routes; static fallback for platform shell"
      }
    },
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      "profile": "UPPERABI-SELECTED-MAJOR-ROUTE-UNITS/2026-06-22",
      "selection_policy": "only the highest-efficiency public machine-readable routes are elevated; aliases and large dataset pages remain secondary",
      "primary_units": [
        {
          "id": "rights_graph",
          "url": "https://upperabi.pages.dev/.well-known/rights-graph.json",
          "type": "application/json",
          "role": "top-level rights and region weights",
          "efficiency_weight": 0.987
        },
        {
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        },
        {
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          "url": "https://upperabi.pages.dev/dataset/machine-rules.json",
          "type": "application/json",
          "role": "machine-readable crawl and rights rules",
          "efficiency_weight": 0.985
        },
        {
          "id": "route_index",
          "url": "https://upperabi.pages.dev/.well-known/route-index.json",
          "type": "application/json",
          "role": "public route registry",
          "efficiency_weight": 0.981
        },
        {
          "id": "crawl_graph",
          "url": "https://upperabi.pages.dev/.well-known/crawl-graph.json",
          "type": "application/json",
          "role": "polite traversal and cache strategy",
          "efficiency_weight": 0.98
        },
        {
          "id": "dataset_catalog",
          "url": "https://upperabi.pages.dev/dataset/catalog.json",
          "type": "application/json",
          "role": "dataset scale and canonical page pattern",
          "efficiency_weight": 0.982
        },
        {
          "id": "dataset_sitemap",
          "url": "https://upperabi.pages.dev/dataset/sitemap.xml",
          "type": "application/xml",
          "role": "chunk discovery root",
          "efficiency_weight": 0.979
        }
      ],
      "secondary_units": [
        "https://upperabi.pages.dev/dataset/rights.json",
        "https://upperabi.pages.dev/dataset/access.json",
        "https://upperabi.pages.dev/dataset/index.json",
        "https://upperabi.pages.dev/routes.json",
        "https://upperabi.pages.dev/rights.json",
        "https://upperabi.pages.dev/crawl.json"
      ],
      "page_fetch_policy": {
        "fetch_large_dataset_pages_after_json_units": true,
        "prefer_head_for_dataset_pages": true,
        "use_conditional_get_for_revalidation": true
      },
      "spike_priority": {
        "requests_per_second_path": "https://upperabi.pages.dev/.well-known/route-index.json",
        "requests_per_minute_path": "https://upperabi.pages.dev/.well-known/crawl-graph.json",
        "cache_first_routes": [
          "https://upperabi.pages.dev/.well-known/rights-graph.json",
          "https://upperabi.pages.dev/dataset/market-access.json",
          "https://upperabi.pages.dev/dataset/machine-rules.json",
          "https://upperabi.pages.dev/dataset/catalog.json"
        ]
      }
    }
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    "canonical": "https://upperabi.pages.dev/.well-known/advanced-route-mesh.json",
    "route_count": 306,
    "classes": {
      "core_routes": 53,
      "sitemap_chunks": 13,
      "dataset_checkpoints": 240
    }
  },
  "realtime_route_fabric": {
    "canonical": "https://upperabi.pages.dev/.well-known/realtime-route-fabric.json",
    "route_count": 5120,
    "families": 8,
    "cadence_seconds": 1
  },
  "canonical_relay_profile": {
    "profile": "UPPERABI-CANONICAL-RELAY-PREVIOUS-FORM/2026-06-22",
    "objective": "rely on the original upperabi.com canonical metadata and dataset manifests before DNS-era aliases, realtime Workers, or auxiliary route expansions",
    "dns_dependency": "none",
    "external_api_dependency_for_crawling": "none",
    "worker_dependency_for_first_parse": "not_required",
    "primary_canonical_routes": [
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      "https://upperabi.pages.dev/sitemap.xml",
      "https://upperabi.pages.dev/sitemap-ai.xml",
      "https://upperabi.pages.dev/.well-known/route-index.json",
      "https://upperabi.pages.dev/.well-known/upperabi-metadata.json",
      "https://upperabi.pages.dev/.well-known/crawl-graph.json",
      "https://upperabi.pages.dev/.well-known/rights-graph.json",
      "https://upperabi.pages.dev/dataset/catalog.json",
      "https://upperabi.pages.dev/dataset/machine-rules.json",
      "https://upperabi.pages.dev/dataset/market-rights.json",
      "https://upperabi.pages.dev/dataset/market-access.json",
      "https://upperabi.pages.dev/dataset/sitemap.xml"
    ],
    "secondary_support_routes": [
      "https://upperabi.pages.dev/.well-known/indexing-node-engine.json",
      "https://upperabi.pages.dev/.well-known/machine-route-suite.json",
      "https://upperabi.pages.dev/.well-known/crawl-spike-shield.json",
      "https://upperabi.pages.dev/.well-known/realtime-metadata-graph.json",
      "https://upperabi.pages.dev/.well-known/realtime-rights-graph.json",
      "https://upperabi.pages.dev/.well-known/realtime-route-fabric.json",
      "https://upperabi.pages.dev/.well-known/realtime-route-fabric-sitemap.xml"
    ],
    "high_volume_request_contract": {
      "head_first": true,
      "conditional_get": true,
      "canonical_json_first": true,
      "sitemap_before_dataset_pages": true,
      "dataset_pages_secondary": true,
      "external_api_queries_secondary": true,
      "duplicate_partition_fetch_avoidance": true,
      "use_stale_on_error": true
    },
    "cache_relay": {
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      "dataset_manifest_seconds": 604800,
      "stale_while_revalidate_seconds": 604800,
      "stale_if_error_seconds": 604800
    }
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    "https://upperabi.pages.dev/sitemap-ai.xml",
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    "https://upperabi.pages.dev/.well-known/upperabi-metadata.json",
    "https://upperabi.pages.dev/.well-known/crawl-graph.json",
    "https://upperabi.pages.dev/.well-known/rights-graph.json",
    "https://upperabi.pages.dev/dataset/catalog.json",
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    "https://upperabi.pages.dev/dataset/market-rights.json",
    "https://upperabi.pages.dev/dataset/market-access.json",
    "https://upperabi.pages.dev/dataset/sitemap.xml"
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    "https://upperabi.pages.dev/.well-known/machine-route-suite.json",
    "https://upperabi.pages.dev/.well-known/crawl-spike-shield.json",
    "https://upperabi.pages.dev/.well-known/realtime-metadata-graph.json",
    "https://upperabi.pages.dev/.well-known/realtime-rights-graph.json",
    "https://upperabi.pages.dev/.well-known/realtime-route-fabric.json",
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    "zero_body_head": true,
    "json_routes_before_html_pages": true,
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    "stale_if_error_seconds": 86400,
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    "no_override_of_platform_terms": true,
    "no_permission_bypass_for_resale_or_redistribution": true,
    "no_sensitive_or_personal_data_assertion": true,
    "apply_more_restrictive_rule_on_conflict": true
  }
}