fix leave alarm (#1265)

BOT/task_executors.py

@@ -1138,6 +1138,8 @@ async def execute_leave_alarm_task():
 
         tier = await get_guild_tier(guild_id)
         allowed_points = allowed_pref_keys_for(preferences, tier, "Points")
+        allowed_leave = allowed_pref_keys_for(preferences, tier, "Leave")
+        allowed_for_leave = allowed_points | allowed_leave
 
         for pref_key, squad_prefs in preferences.items():
             if not isinstance(squad_prefs, dict):
@@ -1148,8 +1150,9 @@ async def execute_leave_alarm_task():
             points_chan = squad_prefs.get("Points")
             if not leave_chan and not points_chan:
                 continue
-            # Respect the Points tier cap — identical gate used by execute_points_alarm_task.
-            if tier_enforcement_active() and pref_key not in allowed_points:
+            # Respect the tier cap — squadrons must be within either the Points
+            # or Leave cap to receive leave notifications.
+            if tier_enforcement_active() and pref_key not in allowed_for_leave:
                 continue
             resolved = await resolve_pref_key(pref_key, squad_prefs)
             target_name = resolved["long_name"] if resolved and resolved.get("long_name") else pref_key
@@ -1232,6 +1235,11 @@ async def execute_leave_alarm_task():
 
             for guild_id, channel_id in guild_channels:
                 channel = bot.get_channel(channel_id)
+                if not channel:
+                    try:
+                        channel = await bot.fetch_channel(channel_id)
+                    except (discord.NotFound, discord.Forbidden):
+                        channel = None
                 if not channel:
                     logging.error("(LEAVE) Channel %s not found in guild %s", channel_id, guild_id)
                     continue