Function ensureGistPersistence

Core module exports Re-exports all core functionality for convenient imports

ensureGistPersistence(token: string | null): Promise<void>
Bootstrap helper for processes that may run in Gist persistence mode.

Peeks at the state file to check if Gist mode is configured. If so and a valid token is provided, pre-sets the singleton via getStateManagerAsync so subsequent synchronous getStateManager calls return the Gist-backed instance. No-op when the state file is absent, unparseable, or not in Gist mode.

Consolidates identical filesystem-peek + getStateManagerAsync logic that was duplicated between the CLI bootstrap (cli.ts) and MCP tool bootstrap (mcp-server/src/tools.ts) — #1000.
Parameters
- token: string | null
  GitHub token with gist scope, or null to skip activation
Returns Promise<void>
Example
```
// CLI bootstrap
await ensureGistPersistence(token);
```
- Defined in core/state.ts:1063