feat: implement update-service v1 migration and enrollment flow

- added /update/enroll endpoint and enrollment logic
- migrated update client to v1 api endpoints and bearer auth
- implemented remote status reporting in backend and scripts
- updated requirements and project status

scripts/update_client.sh

@@ -2,9 +2,11 @@
 set -euo pipefail
 
 SERVICE_NAME="${SERVICE_NAME:-skd}"
-UPDATE_URL="${SKD_UPDATE_URL:-https://update.wlkns.org}"
+UPDATE_SERVICE_URL="${SKD_UPDATE_SERVICE_URL:-https://update.wlkns.org}"
+PROJECT_ID="${SKD_UPDATE_PROJECT_ID:-safe-kiddo-control}"
 UPDATE_TOKEN="${SKD_UPDATE_TOKEN:-}"
-STATUS_URL="${SKD_UPDATE_STATUS_URL:-https://update.wlkns.org/status}"
+MANIFEST_URL="${UPDATE_SERVICE_URL}/v1/projects/${PROJECT_ID}/manifest"
+STATUS_URL="${UPDATE_SERVICE_URL}/v1/projects/${PROJECT_ID}/status"
 STATUS_FILE="${SKD_UPDATE_STATUS_FILE:-/var/lib/skd/update_status.json}"
 LOG_FILE="${SKD_UPDATE_LOG_FILE:-/var/lib/skd/update_logs.jsonl}"
 INSTALL_DIR="${INSTALL_DIR:-/opt/sk}"
@@ -53,7 +55,15 @@ with log_file.open("a", encoding="utf-8") as handle:
 PY
   local payload
   payload=$(cat <<JSON
-{"device_id":"$(hostname)","version":"${VERSION}","status":"${status}","error":"${error}","timestamp":"${timestamp}"}
+{
+  "project_id": "${PROJECT_ID}",
+  "version": "${VERSION}",
+  "status": "${status}",
+  "timestamp": "${timestamp}",
+  "client_id": "$(hostname)",
+  "error_code": "${error}",
+  "reason": "${error}"
+}
 JSON
 )
   if [[ -n "${UPDATE_TOKEN}" ]]; then
@@ -89,12 +99,12 @@ require_cmd tar
 require_cmd sha256sum
 require_cmd python3
 
-log "Fetching update manifest from ${UPDATE_URL}..."
+log "Fetching update manifest from ${MANIFEST_URL}..."
 MANIFEST_FILE="$(mktemp)"
 if [[ -n "${UPDATE_TOKEN}" ]]; then
-  curl -fsS -H "Authorization: Bearer ${UPDATE_TOKEN}" "${UPDATE_URL}" -o "${MANIFEST_FILE}"
+  curl -fsS -H "Authorization: Bearer ${UPDATE_TOKEN}" "${MANIFEST_URL}" -o "${MANIFEST_FILE}"
 else
-  curl -fsS "${UPDATE_URL}" -o "${MANIFEST_FILE}"
+  curl -fsS "${MANIFEST_URL}" -o "${MANIFEST_FILE}"
 fi
 
 read_manifest() {