From 195cce2bcfa8f93f0fdd8584e01c3229f30f2b49 Mon Sep 17 00:00:00 2001
From: acidburns <neon22@web.de>
Date: Fri, 13 Feb 2026 10:49:56 +0100
Subject: [PATCH] Remove legacy state JSON size cutoff and raise doc capacity

---
 src/json_codec.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/json_codec.cpp b/src/json_codec.cpp
index e188653..a4368af 100644
--- a/src/json_codec.cpp
+++ b/src/json_codec.cpp
@@ -3,6 +3,8 @@
 #include <limits.h>
 #include <math.h>
 
+static constexpr size_t STATE_JSON_DOC_CAPACITY = 512;
+
 static float round2(float value) {
   if (isnan(value)) {
     return value;
@@ -58,7 +60,7 @@ static void set_int_or_null(JsonDocument &doc, const char *key, float value) {
 }
 
 bool meterDataToJson(const MeterData &data, String &out_json) {
-  StaticJsonDocument<256> doc;
+  StaticJsonDocument<STATE_JSON_DOC_CAPACITY> doc;
   doc["id"] = short_id_from_device_id(data.device_id);
   doc["ts"] = data.ts_utc;
   char buf[16];
@@ -90,5 +92,5 @@ bool meterDataToJson(const MeterData &data, String &out_json) {
 
   out_json = "";
   size_t len = serializeJson(doc, out_json);
-  return len > 0 && len < 256;
+  return len > 0;
 }