{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://fluid.dev/schemas/pressure.schema.json",
  "title": "FLUID pressure record",
  "description": "Evidence that the interface differs materially from consumer needs. Pressure is evidence, not truth (FluidAPIStandards.md section 13).",
  "type": "object",
  "properties": {
    "fluid_pressure": {
      "type": "object",
      "properties": {
        "schema_version": { "$ref": "common.schema.json#/$defs/schemaVersion" },
        "id": { "$ref": "common.schema.json#/$defs/pressureId" },
        "interface_id": { "$ref": "common.schema.json#/$defs/interfaceId" },
        "class": { "$ref": "common.schema.json#/$defs/pressureClass" },
        "first_seen": { "$ref": "common.schema.json#/$defs/timestamp" },
        "last_seen": { "$ref": "common.schema.json#/$defs/timestamp" },
        "affected_cohorts": {
          "type": "array",
          "items": { "$ref": "common.schema.json#/$defs/cohortId" }
        },
        "frequency": {
          "type": "object",
          "properties": {
            "observations": { "type": "integer", "minimum": 0 },
            "independent_consumers": { "type": "integer", "minimum": 0 }
          },
          "additionalProperties": false
        },
        "severity": { "$ref": "common.schema.json#/$defs/unitInterval" },
        "confidence": { "$ref": "common.schema.json#/$defs/unitInterval" },
        "summary": { "type": "string", "minLength": 1 },
        "evidence_refs": {
          "type": "array",
          "items": { "$ref": "common.schema.json#/$defs/evidenceRef" },
          "minItems": 1,
          "description": "A pressure record without evidence references is not auditable and must be rejected."
        },
        "status": {
          "enum": ["OPEN", "ANALYZING", "EXPLAINED", "ADDRESSED", "DISMISSED", "OUT_OF_SCOPE"],
          "description": "ArchitectureBlueprint.md section 9. Pressure may remain unresolved on purpose."
        },
        "linked_hypotheses": {
          "type": "array",
          "items": { "$ref": "common.schema.json#/$defs/hypothesisId" }
        }
      },
      "required": ["schema_version", "id", "interface_id", "class", "first_seen", "last_seen", "summary", "evidence_refs", "status"],
      "additionalProperties": false
    }
  },
  "required": ["fluid_pressure"],
  "additionalProperties": false
}