feat: add agent zones

backend/app/miner_control/repository.py

@@ -40,15 +40,20 @@ class MinerControlRepository:
             with connection.cursor(row_factory=dict_row) as cur:
                 cur.execute(
                     """
-                    SELECT miners.id, miners.site_id, host(miners.current_ip) AS current_ip,
+                    SELECT miners.id, miners.site_id, miners.agent_zone_id,
+                           zones.id IS NOT NULL AS agent_zone_exists,
+                           zones.is_enabled AS agent_zone_enabled,
+                           host(miners.current_ip) AS current_ip,
                            miners.status AS runtime_state,
                            miners.configured_performance_mode,
                            miners.api3_supported, miners.api3_api_switch,
                            agents.agent_id, agents.last_checkin_at,
                            agents.version AS agent_version, agents.last_payload
                     FROM miners
+                    LEFT JOIN agent_zones AS zones
+                      ON zones.id = miners.agent_zone_id
                     LEFT JOIN minerops_site_agents AS agents
-                      ON agents.site_id = miners.site_id
+                      ON agents.agent_zone_id = miners.agent_zone_id
                     WHERE miners.id = %s
                     """,
                     (miner_id,),

backend/app/miner_control/service.py

@@ -29,10 +29,14 @@ class MinerControlService:
 
     @staticmethod
     def _capability(context: dict) -> ControlCapability:
-        if not context.get("site_id"):
-            return ControlCapability(state="unavailable", reason="site_unassigned")
+        if not context.get("agent_zone_id"):
+            return ControlCapability(state="unavailable", reason="agent_zone_unassigned")
+        if context.get("agent_zone_exists") is not True:
+            return ControlCapability(state="unavailable", reason="agent_zone_missing")
+        if context.get("agent_zone_enabled") is not True:
+            return ControlCapability(state="unavailable", reason="agent_zone_disabled")
         if not context.get("agent_id"):
-            return ControlCapability(state="unavailable", reason="agent_unassigned")
+            return ControlCapability(state="unavailable", reason="agent_unavailable")
         if not context.get("current_ip"):
             return ControlCapability(state="unavailable", reason="current_ip_missing")
         if context.get("api3_supported") is False: