{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://target-revenue.example/schemas/phase_manifest.schema.json",
  "title": "Phase Manifest",
  "description": "Stage 0 schema per specs/TechnicalSpecificationDocument.md §3.1 and specs/OpenQuestions-WorkingDefaults.md Q3/Q6/Q8. Field names and semantics are authoritative from specs/TargetRevenueLicenseConcept.md §16.",
  "type": "object",
  "required": ["framework", "license", "phase"],
  "additionalProperties": false,
  "properties": {
    "framework": {
      "type": "string",
      "description": "Framework version tag, e.g. TRF-0.1."
    },
    "license": {
      "type": "string",
      "description": "TRSL version tag, e.g. TRSL-0.1."
    },
    "phase": {
      "type": "object",
      "required": [
        "id",
        "milestone_release",
        "initial_target",
        "future_license",
        "degeneration_policy",
        "longstop_at",
        "ledger"
      ],
      "additionalProperties": false,
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^trsl:phase:[a-zA-Z0-9._-]+$",
          "description": "Globally unique, immutable once published."
        },
        "milestone_release": {
          "type": "object",
          "required": ["name", "source_revision"],
          "additionalProperties": false,
          "properties": {
            "name": { "type": "string" },
            "source_revision": { "type": "string" },
            "artifact_sha256": {
              "type": "string",
              "pattern": "^[a-f0-9]{64}$",
              "description": "Recommended; required if a built artifact (not just source) is governed."
            }
          }
        },
        "initial_target": {
          "type": "object",
          "required": ["amount", "currency"],
          "additionalProperties": false,
          "properties": {
            "amount": { "type": "number", "exclusiveMinimum": 0 },
            "currency": {
              "type": "string",
              "pattern": "^[A-Z]{3}$",
              "description": "ISO 4217 code. Working default Q6: one native currency per Phase."
            }
          }
        },
        "target_basis": {
          "type": "object",
          "description": "Recommended transparency metadata (working default Q5), not legally required.",
          "additionalProperties": false,
          "properties": {
            "estimated_effort_days": { "type": "number", "minimum": 0 },
            "daily_rate": { "type": "number", "minimum": 0 },
            "approved_direct_costs": { "type": "number", "minimum": 0 },
            "target_multiple": {
              "type": "number",
              "minimum": 0,
              "description": "Open decimal per working default Q4. Guidance classes {0,1,10,100,1000} are not a closed enum."
            }
          }
        },
        "future_license": {
          "type": "string",
          "enum": ["MIT", "Apache-2.0"],
          "description": "Working default Q3: closed enum for Stage 0."
        },
        "degeneration_policy": {
          "type": "string",
          "pattern": "^trsl:policy:[a-zA-Z0-9._-]+@[0-9]+(\\.[0-9]+)*$",
          "description": "e.g. trsl:policy:linear-longstop-v0@1.0 (working default Q7)."
        },
        "longstop_at": {
          "type": "string",
          "format": "date-time",
          "description": "Required for Stage 0 per working default Q8. Full-remission / maximum-protection instant."
        },
        "ledger": {
          "type": "string",
          "description": "URL or relative path URI to the authoritative Target Ledger for this Phase."
        }
      }
    },
    "extensions": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^trsl:extension:[a-zA-Z0-9._-]+@[0-9]+(\\.[0-9]+)*$"
      },
      "description": "Optional. Applicable monetization profiles/extensions for this Phase."
    }
  }
}