{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://eightarms.net/octopus-workflow/schemas/runs-index.schema.json",
  "title": "Tier 1 Run Artifact Index",
  "description": "Schema for runs/{slug}/index.json 鈥?the artifact manifest for a Tier 1 local structured run. This is the compact-recovery entry point after compaction (compact never deletes local files). Parallel to, not a replacement for, the Tier 2 '## 宸ヤ欢绱㈠紩' issue comment. Authoritative layout: templates/runs-layout.md. Boundary rule: rules/two-tier-artifacts.md.",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "slug", "artifacts"],
  "properties": {
    "$schema": {
      "type": "string",
      "description": "Optional JSON Schema $self reference for editor validation."
    },
    "schema_version": {
      "type": "integer",
      "const": 1,
      "description": "Index schema version."
    },
    "slug": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9-]*$",
      "description": "Run slug; must match meta.json.slug."
    },
    "artifacts": {
      "type": "array",
      "items": { "$ref": "#/$defs/artifact" },
      "description": "One entry per Tier 1 artifact in this run. Tier 2 artifacts (Gitea issue comments, wiki pages, commit status, PRs) are NEVER listed here 鈥?this index is Tier 1 only."
    }
  },
  "$defs": {
    "artifact": {
      "type": "object",
      "additionalProperties": false,
      "required": ["path", "type", "tier"],
      "properties": {
        "path": {
          "type": "string",
          "minLength": 1,
          "description": "Artifact path relative to {active-slug}/. Use forward slashes."
        },
        "type": {
          "type": "string",
          "enum": [
            "meta",
            "index",
            "design",
            "plan",
            "review-findings",
            "review-status",
            "review-synthesis",
            "synthesis-prompt",
            "precondition-gate",
            "working-notes",
            "analysis",
            "browser-evidence",
            "other"
          ],
          "description": "Artifact category. 'meta'/'index' for the manifest files themselves; stage categories for produced artifacts. 'review-synthesis' marks a synthesis result artifact (round verdict) as distinct from 'synthesis-prompt' (the Phase B task prompt) and 'review-status' (the lifecycle file). 'precondition-gate' marks the review-code mechanical-green gate log. 'working-notes' is the cross-stage narrative memory file ([org-internal #2600]) 鈥?one file per run, appended by every role at close, registered once (stage/produced_by null: multi-stage, multi-role). 'browser-evidence' marks a browser evidence pack manifest ([org-internal #4497] N-03, browser/{session-id}/manifest.json 鈥?shared/pack-manifest-v1)."
        },
        "schema": {
          "type": ["string", "null"],
          "format": "uri",
          "description": "$id of the validating JSON Schema, or null for schema-less artifacts (e.g. a prompt .md passed via prompt_file). Accepts $ids from the current namespace https://eightarms.net/octopus-workflow/schemas/*.schema.json as well as legacy $ids from the historical namespace https://eightarms.net/fourbroad/octopus/ (archived live runs' index.json carry the old values); legacy values resolve via schemas/id-aliases.json."
        },
        "tier": {
          "type": "integer",
          "const": 1,
          "description": "Tier marker. This index lists only Tier 1 artifacts, so the value is always 1."
        },
        "stage": {
          "type": ["string", "null"],
          "enum": [
            "requirements",
            "design",
            "plan-iterations",
            "roadmap",
            "implement",
            "review-roadmap",
            "review-design-space",
            "review-iteration-plan",
            "review-dag",
            "review-code",
            "verify",
            "audit-process",
            "merge-pr",
            null
          ],
          "description": "Producing pipeline stage, or null for meta/index manifest entries. Live stage ids (per schemas/workflow-routing.schema.json): review-dag, review-code, verify, audit-process, merge-pr. The production-phase / retired names (requirements, design, plan-iterations, roadmap, implement, review-roadmap, review-design-space, review-iteration-plan) are retained ONLY so historical archived rows keep validating; new artifacts MUST use the live ids."
        },
        "produced_by": {
          "type": ["string", "null"],
          "enum": [
            "Producer",
            "Reviewer",
            "Verifier",
            "Tool",
            "Coordinator",
            "Analyst",
            "Architect",
            "Planner",
            "Developer",
            "Synthesizer",
            "Orchestrator",
            "Remediator",
            "Auditor",
            null
          ],
          "description": "Role that produced the artifact, or null if not role-attributed. Canonical role names are Producer / Reviewer / Verifier / Tool / Coordinator (the `name` field of skills/_shared/roles/*.yaml). The remaining values are fine-grained sub-roles mapped to canonical roles via ROLE_ALIASES in role config: Analyst / Architect / Planner / Developer / Synthesizer / Orchestrator / Remediator map to `Producer`; Auditor maps to `Reviewer`. They are retained so historical index rows validate and so the audit target's revision role (Remediator) and reviewer sub-role (Auditor) can be attributed if ever written to a Tier 1 artifact."
        },
        "sha": {
          "type": ["string", "null"],
          "pattern": "^[0-9a-f]{64}$",
          "description": "sha256 content digest, or null if not yet computed."
        },
        "tier2_ref": {
          "type": ["string", "null"],
          "description": "Cross-link to a Tier 2 mirror of this artifact (issue comment URL, wiki page path, commit status context) when one exists; null when the artifact is Tier 1 only."
        }
      }
    }
  }
}