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fix(fleet): export MOSAIC_AGENT_CLASS into the agent pane so personas inject (#669)
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This commit was merged in pull request #669.
This commit is contained in:
jason.woltje
2026-06-24 19:38:15 +00:00
parent a9857c5043
commit 248193cd3b
2 changed files with 26 additions and 2 deletions
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15
packages/mosaic/framework/tools/fleet/start-agent-session.sh
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@@ -114,10 +114,21 @@ MOSAIC_RUNTIME_BIN_PREFIX=$(_build_runtime_bin_prefix)
# safe single bash token regardless of the name's characters.
AGENT_NAME_Q=$(printf '%q' "$AGENT_NAME")
# MOSAIC_AGENT_CLASS must ALSO be exported INTO the pane, for the same reason as
# MOSAIC_AGENT_NAME above: the pane inherits the tmux SERVER environment (not this
# script's env, and not the systemd unit's EnvironmentFile), so the per-agent class
# written to agents/<name>.env would otherwise be invisible in-pane. The launcher
# composes the persona contract from process.env.MOSAIC_AGENT_CLASS at launch
# (compose-contract -> readPersonaContractBlock); without this export it sees an
# undefined class and silently injects NO persona contract. %q-quote it so it is a
# safe single bash token; an empty/unset class %q-quotes to '' and is a harmless
# no-op downstream (readPersonaContractBlock returns '' for an empty class).
AGENT_CLASS_Q=$(printf '%q' "${MOSAIC_AGENT_CLASS:-}")
if [ -n "$MOSAIC_RUNTIME_BIN_PREFIX" ]; then
PANE_SHELL_SNIPPET="export MOSAIC_AGENT_NAME=${AGENT_NAME_Q}; export PATH=\"${MOSAIC_RUNTIME_BIN_PREFIX}:\${PATH}\"; exec ${MOSAIC_AGENT_COMMAND}"
PANE_SHELL_SNIPPET="export MOSAIC_AGENT_NAME=${AGENT_NAME_Q}; export MOSAIC_AGENT_CLASS=${AGENT_CLASS_Q}; export PATH=\"${MOSAIC_RUNTIME_BIN_PREFIX}:\${PATH}\"; exec ${MOSAIC_AGENT_COMMAND}"
else
PANE_SHELL_SNIPPET="export MOSAIC_AGENT_NAME=${AGENT_NAME_Q}; exec ${MOSAIC_AGENT_COMMAND}"
PANE_SHELL_SNIPPET="export MOSAIC_AGENT_NAME=${AGENT_NAME_Q}; export MOSAIC_AGENT_CLASS=${AGENT_CLASS_Q}; exec ${MOSAIC_AGENT_COMMAND}"
fi
mkdir -p "$MOSAIC_AGENT_WORKDIR"