Which method ensures consistent prefix-key accessibility across multiple sessions?

In tmux, the prefix-key serves as the primary interceptor for all control commands. While the default Ctrl-b is standard, users often customize this to avoid collisions with application-specific shortcuts or to improve ergonomic accessibility.

A challenge arises when managing multiple active sessions where different prefix keys might be desired for organizational clarity, or conversely, where a global standard is required to maintain a consistent workflow across detached and re-attached environments.

Given that set-option can be applied globally or to a specific session, there is uncertainty regarding the most efficient way to synchronize these keys without manually sourcing the configuration file in every new session.

• Does tmux support a hierarchy that allows a session-specific prefix to override a global server prefix?
• What is the recommended approach for maintaining prefix-key consistency across a distributed set of sessions?