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@@ -366,7 +366,9 @@ std::string value_accuracy_to_string(float value, int8_t accuracy_decimals) {
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std::string value_accuracy_with_uom_to_string(float value, int8_t accuracy_decimals, StringRef unit_of_measurement) {
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normalize_accuracy_decimals(value, accuracy_decimals);
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char tmp[64]; // Increased to accommodate unit of measurement
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// Buffer sized for float (up to ~15 chars) + space + typical UOM (usually <20 chars like "μS/cm")
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// snprintf truncates safely if exceeded, though ESPHome UOMs are typically short
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char tmp[64];
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if (unit_of_measurement.empty()) {
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snprintf(tmp, sizeof(tmp), "%.*f", accuracy_decimals, value);
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} else {
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