{
  "openapi": "3.1.0",
  "info": {
    "title": "HAIL API",
    "version": "1.1.0",
    "description": "Heroes of the AI League assessment API (short-form + anonymous free run)"
  },
  "paths": {
    "/api/health": {
      "get": { "summary": "Health check", "responses": { "200": { "description": "OK" } } }
    },
    "/api/session/start": {
      "post": { "summary": "Start assessment session (optional ref attribution)", "responses": { "200": { "description": "session_id" } } }
    },
    "/api/session/{id}/progress": {
      "patch": { "summary": "Update answered_count for funnel tracking", "parameters": [{ "name": "id", "in": "path", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "progress" } } }
    },
    "/api/session/{id}/checkpoint": {
      "post": { "summary": "Record checkpoint choice stop|continue", "parameters": [{ "name": "id", "in": "path", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "checkpoint" } } }
    },
    "/api/diagnose": {
      "post": { "summary": "Score assessment (email optional; sets hail_run cookie)", "responses": { "200": { "description": "Result (anonymous or paid-pool gated)" } } }
    },
    "/api/result/{id}": {
      "get": { "summary": "Get stored result (playbook only with ownership)", "parameters": [{ "name": "id", "in": "path", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "Result" } } }
    },
    "/api/playbook/{id}": {
      "get": { "summary": "Get What-to-Fix playbook (Premium/Portfolio + ownership cookie/token)", "parameters": [{ "name": "id", "in": "path", "required": true, "schema": { "type": "string" } }, { "name": "token", "in": "query", "required": false, "schema": { "type": "string" } }], "responses": { "200": { "description": "Playbook" }, "403": { "description": "Upgrade or ownership required" } } }
    },
    "/api/run/{id}/save": {
      "post": { "summary": "Mint private Save link token", "parameters": [{ "name": "id", "in": "path", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "save_url + token" } } }
    },
    "/api/run/{id}/save-email": {
      "post": { "summary": "Email Save link and schedule 30-day retest reminder", "parameters": [{ "name": "id", "in": "path", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "emailed" } } }
    },
    "/api/run/{id}/rename": {
      "post": { "summary": "Rename team without rewriting share_slug", "parameters": [{ "name": "id", "in": "path", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "renamed" } } }
    },
    "/s/{token}": {
      "get": { "summary": "Resolve Save token: set hail_run cookie and redirect to result", "parameters": [{ "name": "token", "in": "path", "required": true, "schema": { "type": "string" } }], "responses": { "302": { "description": "Redirect" } } }
    },
    "/api/questions": {
      "get": { "summary": "Question bank (core + extended order, tier metadata)", "responses": { "200": { "description": "Questions" } } }
    },
    "/api/archetypes": {
      "get": { "summary": "Archetype content", "responses": { "200": { "description": "Archetypes" } } }
    },
    "/api/checkout": {
      "post": { "summary": "Stripe checkout (Premium $4.99 / Portfolio $49.99); accepts run_id", "responses": { "200": { "description": "checkout_url" }, "409": { "description": "Premium already owned — Portfolio only" } } }
    },
    "/api/plan-status": {
      "get": { "summary": "Plan + usage for an email (offers, retests/runs remaining)", "parameters": [{ "name": "email", "in": "query", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "entitlement and offers" } } }
    },
    "/api/dashboard": {
      "get": { "summary": "Run history + entitlement for an email (Premium returning-user dashboard)", "parameters": [{ "name": "email", "in": "query", "required": true, "schema": { "type": "string" } }], "responses": { "200": { "description": "runs, entitlement, can_run_advanced" } } }
    },
    "/api/share-event": {
      "post": { "summary": "Mark a run as having used marketing Share (X / LinkedIn). Idempotent used_share flag. Copy/Save must not call this.", "responses": { "200": { "description": "used_share true" }, "404": { "description": "Run not found" } } }
    },
    "/api/unsubscribe": {
      "get": {
        "summary": "Look up an unsubscribe token without changing consent (prefetch-safe)",
        "parameters": [{ "name": "t", "in": "query", "required": true, "schema": { "type": "string" } }],
        "responses": { "200": { "description": "masked email + subscribed flag" }, "400": { "description": "invalid token" } }
      },
      "post": {
        "summary": "Opt out of automatic HAIL email (one-click List-Unsubscribe and the unsubscribe page)",
        "parameters": [{ "name": "t", "in": "query", "required": false, "schema": { "type": "string" } }],
        "responses": { "200": { "description": "unsubscribed" }, "400": { "description": "invalid token" } }
      }
    },
    "/mcp": {
      "post": { "summary": "MCP JSON-RPC", "responses": { "200": { "description": "MCP response" } } }
    }
  }
}