Research → synthesis: what is most prominent food crop in this region?

{
  "kind": "research.note",
  "query": "what is most prominent food crop in this region?",
  "claims": [
    {
      "claim": "Lower Rio Grande Valley (AgriLife Region V) has two warm-season vegetable windows (about Feb–May and Aug–mid-Oct) plus a winter cool-season window Central Texas does not share. Dual-window identity only. Do not copy a date table onto Bexar or Travis.",
      "source": "doc:tenant:horticulturist:C1",
      "confidence": 0.92
    }
  ],
  "reason": "strong_topical_match",
  "privacy": "restricted",
  "sources": [
    "doc:tenant:horticulturist:C1"
  ],
  "summary": "Mapped 1 claim from 1 source: Lower Rio Grande Valley (AgriLife Region V) has two warm-season vegetable windows (about Feb–May and Aug–mid-Oct) plus a winter cool-seas…. Lower Rio Grande Valley (AgriLife Region V) has two warm-season vegetable windows (about Feb–May and Aug–mid-Oct) plus a winter cool-season window Central Texas does not share. Dual-window identity only. Do not copy a date table onto Bexar or Travis.",
  "corpusScope": "tenant:horticulturist",
  "evidenceStatus": "sufficient",
  "retrievalDebug": {
    "query": "what is most prominent food crop in this region?",
    "corpusHits": [
      "doc:tenant:horticulturist:C1",
      "doc:tenant:horticulturist:C6",
      "doc:tenant:horticulturist:C14",
      "doc:tenant:horticulturist:C10"
    ],
    "corpusScope": "tenant:horticulturist",
    "fallbackUsed": false,
    "topCandidates": [
      {
        "id": "doc:tenant:horticulturist:C1",
        "tags": [
          "lrgv"
        ],
        "score": 11,
        "strong": true,
        "matchedTerms": [
          "region"
        ]
      },
      {
        "id": "doc:tenant:horticulturist:C6",
        "tags": [
          "statewide"
        ],
        "score": 11,
        "strong": true,
        "matchedTerms": [
          "most"
        ]
      },
      {
        "id": "doc:tenant:horticulturist:C14",
        "tags": [
          "statewide"
        ],
        "score": 8,
        "strong": true,
        "matchedTerms": [
          "region"
        ]
      },
      {
        "id": "doc:tenant:horticulturist:C10",
        "tags": [
          "statewide"
        ],
        "score": 3,
        "strong": true,
        "matchedTerms": [
          "region"
        ]
      }
    ],
    "guardTriggered": false,
    "selectedSources": [
      "doc:tenant:horticulturist:C1"
    ]
  }
}

{
  "kind": "research.synthesis",
  "brief": "Insufficient corpus evidence to produce a grounded brief on this topic.",
  "query": "what is most prominent food crop in this region?",
  "reason": "no_strong_topical_match",
  "privacy": "restricted",
  "sources": [],
  "summary": "Insufficient corpus evidence for this query.",
  "corpusScope": "tenant:horticulturist",
  "upstreamStep": "research",
  "evidenceStatus": "insufficient"
}