Allow solo and last-active-player AFK

docs/afk.md

@@ -30,18 +30,19 @@ immediately, including in the damage callback; the script restores its own contr
 weapons and zombie-targeting state. Expiration has no spectator transition, purchase
 or extra grace. Repeating `.afk` does not restart the timer or reserve twice.
 
-Entry rejects downed/dead/spectating players, stock protection/control restrictions,
-and the last active player. A default 15-second reentry cooldown prevents repeated
+AFK `2.1.0` allows solo players and the last active player to enter; all players
+may be AFK at the same time. Entry still rejects downed/dead/spectating players
+and stock protection/control restrictions. A default 15-second reentry cooldown prevents repeated
 combat toggles. Manual `.back` retains a separate two-second grace. The AFK damage
 callback passes through when it does not own protection, preserving stock game
 invulnerability. Other mods that restrict controls should set
 `player.tws_afk_external_controls` while their restriction applies.
 
 AFK leaves player session state unchanged, so stock player-count zombie scaling
-continues to include AFK players. If the last non-AFK active player dies or leaves,
-the scripts release AFK sessions and send the stock end-game signal. Stock afterlife,
-`no_end_game_check` and Grief reset recovery defer this behavior. A lobby with no
-AFK player is unaffected. Verify these rules on each deployed map/mode.
+continues to include AFK players. Losing the last non-AFK teammate does not end
+protected breaks or force a match end. Authorized time continues to count down;
+normal expiration and stock match-end cleanup still apply. Verify these rules
+on each deployed map/mode.
 
 ## Rewards
 
@@ -90,13 +91,17 @@ Recheck callback contracts if the stock runtime changes.
 2. Update all EC host agents to **1.12.0+** before enabling these scripts. This
    adds AFK settlement before deleting/rebuilding stopped runtime storage.
 3. Build and install TWS `t5-plugin` and `t6-plugin` **1.4.0+** and matching AFK
-   **2.0.0** scripts. Require common **1.4.0+**, telemetry **1.0.0+**, and
+   **2.1.0** scripts. Require common **1.4.0+**, telemetry **1.0.0+**, and
    Plutonium **r5334+** for `SetTextUnlimited`. Fully restart game-server processes.
 4. Retain EC's private `tws_bank_token` and exact `tws_server_id`; telemetry must
    establish the current match before AFK commands can be authorized.
 5. Keep `tws-afk/t5/` and `tws-afk/t6/`, relative to the process working directory,
    on persistent writable storage with one process per server/endpoint scope.
 
+Upgrading AFK scripts from `2.0.0` to `2.1.0` adds no dependency requirement:
+copy the matching script for each game and restart the map. No full server-process
+restart is required for this script-only update.
+
 | Game dvar | Default | Meaning |
 | --- | --- | --- |
 | `tws_afk_enabled` | enabled | `0` disables new AFK service startup |
@@ -127,7 +132,7 @@ process crash can lose progress that had not yet reached the local journal.
 Already accepted rewards and journaled snapshots persist.
 
 Protection starts only after reservation and start acknowledgments, a final
-player/lobby recheck, and a durable native clock start. Once authorized, an EC
+player-state recheck, and a durable native clock start. Once authorized, an EC
 outage cannot shorten protection; a local monotonic deadline still ends it at zero.
 Manual return, disconnect, death and match end stop accounting immediately. A
 failed stop-journal write freezes the original stop time for retry rather than
@@ -182,14 +187,16 @@ Before production activation, validate **both engines**:
   Drop reserve/start/stop replies, reorder delivery, fill/fail journal storage, and
   restart. Verify never-started refunds, durable exact stops and unconfirmed crash
   holds. Correct only a proven stopped session and confirm the ledger audit.
-- Reject the last active player's entry. Kill/disconnect the last active teammate
-  while another is AFK; validate normal end reporting and all AFK settlement.
-  Exercise stock recovery exceptions and confirm expected zombie scaling.
+- Enter as the only connected player and as the last active player with downed,
+  dead, spectating or AFK teammates. Put every player in AFK. Kill/disconnect the
+  last active teammate, including while reserve/start replies are pending; verify
+  protection continues without a forced match end. Check solo return/expiration,
+  normal stock match-end settlement, afterlife/Grief recovery and zombie scaling.
 - Rebuild/remove with journals from both games, retire the instance credential,
   interrupt the agent after a lost reply, and retry. Runtime deletion must wait for
   acknowledged recovery and cannot authorize a new purchase.
 
-Validation performed for this change: 39 AFK behavior checks, 14 core HUD and
+Validation performed for the initial `2.0.0` change: 39 AFK behavior checks, 14 core HUD and
 56 service HUD checks passed. All nine T6 scripts compiled and assembled with
 the upstream [gsc-tool compiler 8f1d6bd](https://github.com/xensik/gsc-tool/tree/8f1d6bd4d51efdc619629b9254fb439427a6d306)
 using its T6 PC compiler/assembler library in a temporary local driver. No Windows