Branch + System Index Source Recovery

This is audit-only. It does not replace Branch or System Index. It recovers the old maps, business systems, connected domains, release/demo strategy, and prior-version remnants so agents can reconstruct one optimized master.

{
  "totalRoutes": 421,
  "systemMapRoutes": 193,
  "agentRoutes": 271,
  "businessRoutes": 125,
  "externalAccessRoutes": 308,
  "constitutionalScopeRoutes": 206
}