Function resolveMockRelayPlan

resolveMockRelayPlan(
    store: MockNostrStore,
    authors: readonly string[],
    direction: "write" | "read",
): OutboxRelayPlan
Resolve the relay plan for a set of authors from kind-10002 fixtures.
Parameters
- store: MockNostrStore
  Event store holding relay lists.
- authors: readonly string[]
  Author pubkeys.
- direction: "write" | "read"
  read resolves write relays, write resolves read relays.
Returns OutboxRelayPlan
The plan, with missingAuthors when some lists are absent.
Example
```
resolveMockRelayPlan(store, [MOCK_ACCOUNTS[1].pubkey], 'read').source === 'nip65';
```
- Defined in packages/mocks/src/domains/outbox.ts:146