From 7e9a9e6eede6cc926fef64c626434e65984befbc Mon Sep 17 00:00:00 2001
From: Artur Borecki <me@pufereq.pl>
Date: Sun, 8 Mar 2026 20:38:32 +0100
Subject: [PATCH] feat(backend_server.py): add `initial_telemetry` support

---
 src/judas_server/backend/backend_server.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/judas_server/backend/backend_server.py b/src/judas_server/backend/backend_server.py
index cce28a7..fe5cae4 100644
--- a/src/judas_server/backend/backend_server.py
+++ b/src/judas_server/backend/backend_server.py
@@ -8,11 +8,15 @@ import threading
 import time
 from typing import TYPE_CHECKING, Any, Final
 
+from judas_protocol.types import TelemetryAction
 import yaml
 from judas_protocol import Category, ControlAction, Message
 
 from judas_server.backend.client import Client, ClientStatus
 from judas_server.backend.handler.hello_handler import HelloHandler
+from judas_server.backend.handler.telemetry.initial_handler import (
+    InitialTelemetryHandler,
+)
 
 if TYPE_CHECKING:
     from typing import Callable
@@ -67,11 +71,16 @@ class BackendServer:
         """Initialize message handlers."""
 
         hello_handler = HelloHandler(self)
+        initial_telemetry_handler = InitialTelemetryHandler(self)
 
         self.message_handlers[(Category.CONTROL, ControlAction.HELLO)] = (
             hello_handler.handle
         )
 
+        self.message_handlers[
+            (Category.TELEMETRY, TelemetryAction.INITIAL)
+        ] = initial_telemetry_handler.handle
+
     def _load_known_clients(self) -> dict[str, dict[str, str | float]]:
         """Load the list of known clients from a YAML file and validate."""
         known_clients: dict[str, dict[str, str | float]] = {}
@@ -108,6 +117,9 @@ class BackendServer:
                 client.last_seen = float(
                     known_clients[client_id].get("last_seen", 0.0)
                 )
+                client.initial_telemetry = known_clients[client_id].get(  # type: ignore
+                    "initial_telemetry", None
+                )
                 self.clients[client_id] = client
 
         except FileNotFoundError:
@@ -399,4 +411,5 @@ class BackendServer:
             "addr": client.addr,
             "last_seen": client.last_seen,
             "status": client.status,
+            "initial_telemetry": client.initial_telemetry,
         }