Creates new signal storage persistence instance.
True for backtest mode storage, false for live mode
Reads all persisted signals by iterating storage keys.
Promise resolving to array of signal entries
Initializes the underlying PersistBase storage.
Whether this is the first initialization
Promise that resolves when initialization is complete
Writes each signal as a separate entity keyed by signal.id.
Signal entries to persist
Promise that resolves when all writes are complete
Default file-based implementation of IPersistStorageInstance.
Features:
Example