One submarine, your research vault.

DeepDive keeps long-horizon reading, notes, and model-assisted synthesis on-device first, with CloudKit where Apple-managed sync belongs.

Slots follow the dad-pitch ship-id convention: replace with screenshotsSHIP/<id>.png when marketing assets exist.

Operators who already chose the AiMANAC family posture: customer-owned backends, Apple-sale trust floor, no subscription rent on core workflows.