{
  "_meta": {
    "cache_ttl_s": 300,
    "cacheable": true,
    "index_age_s": 2,
    "latency_ms": null,
    "response_tokens": 737,
    "roam_version": "14.1.0",
    "timestamp": "2026-09-13T17:22:53Z"
  },
  "affected_file_list": [
    {
      "importance": 0.147929,
      "path": "checkout/discounts.py"
    },
    {
      "importance": 0.147929,
      "path": "checkout/orders.py"
    },
    {
      "importance": 0.147929,
      "path": "checkout/preview.py"
    }
  ],
  "affected_files": 3,
  "affected_files_total": 3,
  "affected_metric_definition": "full transitive reverse-reachability (nx.descendants) over call+ref edges from the target, excluding the target's own file; identical to preflight's blast-radius gate (uncapped).",
  "affected_symbols": 3,
  "affected_symbols_total": 3,
  "agent_contract": {
    "confidence": null,
    "facts": [
      "Large blast radius — 3 symbols (75.0%) in 3 files affected (risk_level high)",
      "3 affected symbols",
      "3 affected files",
      "3 affected symbols total",
      "3 affected files total"
    ],
    "next_commands": [],
    "risks": []
  },
  "cap_applied": false,
  "command": "impact",
  "direct_dependents": {
    "call": [
      {
        "file": "checkout/discounts.py",
        "kind": "fn",
        "name": "apply_discount"
      },
      {
        "file": "checkout/orders.py",
        "kind": "fn",
        "name": "place_order"
      },
      {
        "file": "checkout/preview.py",
        "kind": "fn",
        "name": "preview_order"
      }
    ]
  },
  "displayed": 3,
  "displayed_files": 3,
  "indirect_refs": [],
  "limits": {
    "depth": 3,
    "max_callers": 100,
    "timeout_s": 30
  },
  "partial_success": false,
  "project": "checkout-fixture",
  "reach_pct": 75,
  "resolution": "symbol",
  "risk_level_canonical": "high",
  "risk_rank": 3,
  "schema": "roam-envelope-v1",
  "schema_version": "1.2.0",
  "sf_convention_tests": [],
  "state": "ok",
  "summary": {
    "affected_files": 3,
    "affected_files_definition": "distinct file_path values of every symbol reached by the reverse-BFS.",
    "affected_files_total": 3,
    "affected_metric_definition": "full transitive reverse-reachability (nx.descendants) over call+ref edges from the target, excluding the target's own file; identical to preflight's blast-radius gate (uncapped).",
    "affected_symbols": 3,
    "affected_symbols_definition": "transitive reverse-BFS over edges; bounded by --depth + --max-callers + --timeout.",
    "affected_symbols_total": 3,
    "cap_applied": false,
    "displayed": 3,
    "displayed_files": 3,
    "limits": {
      "depth": 3,
      "max_callers": 100,
      "timeout_s": 30
    },
    "partial_success": false,
    "reach_pct": 75,
    "reach_pct_definition": "affected_symbols / total_symbols_in_graph * 100, rounded to 1 decimal.",
    "resolution": "symbol",
    "risk_classification": "classified",
    "risk_level_canonical": "high",
    "risk_rank": 3,
    "sf_convention_tests": 0,
    "state": "ok",
    "target": "calculate_total",
    "total": 3,
    "truncated": false,
    "verdict": "Large blast radius — 3 symbols (75.0%) in 3 files affected (risk_level high)",
    "weighted_impact": 0.45946,
    "weighted_impact_definition": "sum of personalized PageRank (alpha=0.85) over the reverse-graph from the target, rounded to 6 decimals."
  },
  "symbol": "calculate_total",
  "target": "calculate_total",
  "total": 3,
  "truncated": false,
  "version": "14.1.0",
  "weighted_impact": 0.45946
}