Function buildMockEvent

buildMockEvent(
    label: string,
    fields: {
        content?: string;
        created_at?: number;
        kind: number;
        pubkey: string;
        tags?: string[][];
    },
): NostrEvent
Build a deterministic, placeholder-signed event.
Parameters
- label: string
  Stable label that seeds id and sig.
- fields: {
      content?: string;
      created_at?: number;
      kind: number;
      pubkey: string;
      tags?: string[][];
  }
  Event fields; created_at defaults to MOCK_EPOCH_SECONDS.
Returns NostrEvent
A NIP-01 shaped event.
Example
```
const note = buildMockEvent('note:alice:hello', { kind: 1, pubkey: alice.pubkey, content: 'hi' });
```
- Defined in packages/mocks/src/fixtures/nostr.ts:95