Memory, message, retention, and channel limits are generated from the shared tier limits used by the backend. Asset storage caps mirror backend asset quota defaults and may be overridden for Enterprise or custom accounts.
Asset storage covers uploaded images, audio, video, PDFs, and text files. Recall uses derived text, transcripts, summaries, and metadata today; raw files are not exposed to model context.
Memory Crystal — Persistent Memory for Claude Code, Codex & AI Agents