fix(uptime): отличать ошибки опроса от измеренных потерь Ping

backend/package.json

@@ -15,7 +15,7 @@
     "db:studio": "drizzle-kit studio",
     "db:migrate-from-sqlite": "tsx src/scripts/migrate-sqlite-to-pg.ts",
     "facts:rebuild": "tsx src/scripts/rebuild-flow-facts.ts",
-    "test:probes": "tsx src/routes/probes.test.ts && tsx src/routes/probes.cancel.test.ts",
+    "test:probes": "tsx src/routes/probes.test.ts && tsx src/routes/probes.cancel.test.ts && tsx src/services/ping-measurement.test.ts && tsx src/services/uptime-probe-observations.test.ts && tsx src/services/ping-measurement-sql.test.ts",
     "test:exec": "tsx src/services/mikrotik-logs.test.ts && tsx src/routes/exec.test.ts && tsx src/plugins/auth.exec.test.ts",
     "test:auth": "tsx src/lib/permissions.test.ts && tsx src/plugins/auth.smoke.test.ts && tsx src/plugins/auth.ospf-optimizer.test.ts",
     "test:wireguard": "npx tsx src/services/wireguard-config.test.ts && npx tsx src/services/wireguard-ipv6.test.ts && npx tsx --test src/services/wireguard-import.test.ts src/services/wireguard-import-apply.test.ts src/services/wireguard-import-revision.test.ts src/services/wireguard-delete.test.ts && npx tsx src/routes/wireguard-import.test.ts",