get rid of housekeeping tick and AGC reset

zephcore/helpers/CommonCLI.cpp

@@ -458,7 +458,7 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
         } else if (memcmp(config, "int.thresh", 10) == 0) {
             snprintf(reply, CLI_REPLY_SIZE, "> %u", (uint32_t)_prefs->interference_threshold);
         } else if (memcmp(config, "agc.reset.interval", 18) == 0) {
-            snprintf(reply, CLI_REPLY_SIZE, "> %u", ((uint32_t)_prefs->agc_reset_interval) * 4);
+            strcpy(reply, "Removed - use rxduty instead");
         } else if (memcmp(config, "multi.acks", 10) == 0) {
             snprintf(reply, CLI_REPLY_SIZE, "> %u", (uint32_t)_prefs->multi_acks);
         } else if (memcmp(config, "allow.read.only", 15) == 0) {
@@ -625,15 +625,14 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
                 strcpy(reply, "OK");
             }
         } else if (memcmp(config, "agc.reset.interval ", 19) == 0) {
-            /* Companion runtime never reads this (getAGCResetInterval is only
-             * overridden in Repeater/RoomServer). */
-            if (strcmp(_callbacks->getRole(), "companion") == 0) {
-                strcpy(reply, "Error: not supported on companion");
-            } else {
-                _prefs->agc_reset_interval = atoi(&config[19]) / 4;
-                savePrefs();
-                snprintf(reply, CLI_REPLY_SIZE, "OK - interval rounded to %u", ((uint32_t)_prefs->agc_reset_interval) * 4);
-            }
+            /* Periodic AGC recalibration was removed: it reset the noise floor
+             * to its unseeded sentinel on every fire, forcing a fresh seed and
+             * a full EMA warmup, and it was already forced off under RX duty
+             * cycle.  RX duty cycle is the supported way to cut RX current.
+             * The prefs BYTE is retained (read/written, never acted on) — the
+             * on-disk layout is byte-exact and shifting it would corrupt every
+             * existing node's prefs. */
+            strcpy(reply, "Removed - use rxduty instead");
         } else if (memcmp(config, "cad.auto ", 9) == 0) {
             if (memcmp(&config[9], "on", 2) == 0 || memcmp(&config[9], "off", 3) == 0) {
                 _prefs->cad_auto = (config[9] == 'o' && config[10] == 'n') ? 1 : 0;