Partnership echo/log audit pass + exit trap

Exit trap (_pm_trap_restart_stopped) in partnership_manager.sh: restarts locally
stopped containers if script crashes mid-cleanup; partnership_offboard.sh registers
same trap. echo/log audit: step result lines (stack deployed counts, state writes,
onboard/offboard complete) → echo; check mode ACTIVE/INACTIVE status → echo;
ssh_setup.sh key-exists and install/verify results → echo. Manual-Partnership.md:
added Output Tiers section.

Partnership/Manual-Partnership.md

@@ -371,6 +371,29 @@ Counter resets after `SSH_STRIKE_RESET_HRS` of clean connectivity.
 
 ---
 
+## ━━━ OUTPUT TIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+All scripts use a two-tier output model: `echo` lines are always visible; `log`
+lines only appear when `--log` is passed.
+
+**partnership_onboard.sh** — one-shot setup. Without `--log`, step headers, per-step
+result lines (deployed/failed counts), and the final summary are visible. Per-container
+deploy detail suppressed.
+
+**partnership_offboard.sh** — one-shot teardown. Without `--log`, step headers, key
+state transitions, and the final checklist summary are visible. Per-container cleanup
+detail suppressed.
+
+**partnership_manager.sh** — check/status/transfer/onboard modes. Without `--log`,
+mode-specific result lines (`--check` prints ACTIVE/INACTIVE status always), state
+transitions, warnings, and summary blocks are visible. Per-operation detail suppressed.
+
+**ssh_setup.sh** — one-shot key setup. Without `--log`, section headers and per-step
+results (key created, key installed, auth verified) are visible. Strike-counter
+management (`--validate`) uses `log` for healthy cycles; `warn` for failures.
+
+---
+
 ## ━━━ FLAG REFERENCE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
 ### partnership_onboard.sh