{
  "files": {
    "main.ts": "import {run} from './core.ts';\nimport {POLICY} from './policy.ts';\nexport function evaluate(payload: any): any { return run(payload, POLICY); }\n",
    "core.ts": "import {asciiLower} from './helpers.ts';\n\nexport function run(payload: any, policy: any): any {\n  const subject = payload.subject;\n  const resource = payload.resource;\n  const result = (allowed: boolean, reason: string, matched: number[] = []) => ({\n    allowed,\n    reason,\n    matched,\n    audit: !allowed && policy.audit_denials ? [reason] : []\n  });\n\n  if (subject.tenant !== resource.tenant) return result(false, 'tenant');\n  if (payload.now - payload.issued_at > policy.token_ttl) return result(false, 'token');\n  if (policy.suspended_denies && subject.suspended) return result(false, 'suspended');\n  if (policy.owner_bypass && subject.owner) return result(true, 'owner');\n\n  const roles = new Set<string>(subject.roles);\n  if (policy.group_union) {\n    for (const group of subject.groups) roles.add(group);\n  }\n  if (policy.inherit_roles) {\n    const pending = Array.from(roles);\n    const parents = payload.role_parents;\n    for (let i = 0; i < pending.length; i++) {\n      const role = pending[i];\n      const list = Object.prototype.hasOwnProperty.call(parents, role) ? parents[role] : [];\n      for (const parent of list) {\n        if (!roles.has(parent)) {\n          roles.add(parent);\n          pending.push(parent);\n        }\n      }\n    }\n  }\n\n  const action = policy.action_casefold ? asciiLower(payload.action) : payload.action;\n  const matched: number[] = [];\n  let hasAllow = false;\n  let hasDeny = false;\n  for (let i = 0; i < payload.grants.length; i++) {\n    const grant = payload.grants[i];\n    if (!roles.has(grant.role)) continue;\n    const grantAction = policy.action_casefold ? asciiLower(grant.action) : grant.action;\n    if (grantAction !== action && !(policy.wildcard_action && grant.action === '*')) continue;\n    const scopeMatches = policy.resource_scope === 'exact'\n      ? grant.scope === resource.id\n      : resource.id.startsWith(grant.scope);\n    if (!scopeMatches) continue;\n    if (grant.expires !== null) {\n      const valid = policy.expiry_inclusive\n        ? payload.now <= grant.expires\n        : payload.now < grant.expires;\n      if (!valid) continue;\n    }\n    matched.push(i);\n    if (grant.effect === 'allow') hasAllow = true;\n    if (grant.effect === 'deny') hasDeny = true;\n  }\n\n  if (matched.length === 0) return result(policy.default_allow, 'default');\n  return result(hasAllow && (!policy.deny_wins || !hasDeny), 'grants', matched);\n}\n",
    "policy.ts": "export const POLICY: any = {\n  deny_wins: false,\n  expiry_inclusive: false,\n  inherit_roles: false,\n  owner_bypass: false,\n  action_casefold: false,\n  group_union: false,\n  resource_scope: 'prefix',\n  suspended_denies: false,\n  token_ttl: 200,\n  wildcard_action: false,\n  audit_denials: false,\n  default_allow: false\n};\n",
    "helpers.ts": "export function asciiLower(value: string): string {\n  return value.replace(/[A-Z]/g, character => String.fromCharCode(character.charCodeAt(0) + 32));\n}\n"
  }
}