Jason Woltje 5c643cd54e fix(fleet): bake MOSAIC_AGENT_NAME into the agent pane so native HB fires ...

Live-validation (Lead, w-jarvis) found the native heartbeat was INERT in
production: the Pi extension gates on MOSAIC_AGENT_NAME, but tmux panes
inherit the tmux SERVER environment (not this script's env, nor the systemd
unit's), so the name was empty in-pane for BOTH ad-hoc and systemd agents.
Result: no native .hb, no model self-report — only the sidecar fallback ran.

Fix: %q-quote the agent name and export it into the pane command alongside
PATH, so the extension sees it -> nativeHbEnabled() -> writes <name>.hb with
model + busy/ok turn state.

Re-validated live via the launcher (isolated socket, real pi on glm-5.2):
  - pane env now carries MOSAIC_AGENT_NAME
  - <name>.hb written with status=ok + model=glm-5.2 + .hb.native marker
  - status flips ok -> busy on a real turn -> ok on turn end
  - sidecar defers to the fresh native marker

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EsgTQzV5YUGk1JtCLP4B83

2026-06-21 20:41:42 -05:00

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