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packet_history_tail

agentmux_srv::backend::blockcontroller::persistent::resume_retry

Function packet_history_tail 

Source 
pub(super) fn packet_history_tail(
    filestore: Option<&FileStore>,
    block_id: &str,
    global: Option<(&FileStore, &str)>,
    max_bytes: i64,
) -> Option<(Vec<u8>, bool)>
Expand description

The transcript a continuation packet is built from: the agent’s global zone when the pane has one, else the pane’s own transcript.

Deliberately NOT pane_history_tail’s local-first order. The zone mirrors every append to the pane file, so it holds everything the pane does, plus the conversation from earlier channels and builds. On a new channel the pane file is created by a rejected resume’s own settlement (the session-outcome line and the CLI’s error result), and reading it first built no packet at all while the global record held the whole conversation (REPORT_AGENT_HISTORY_LOST_ON_NEW_BUILD_2026_09_25.md §4).