diff --git a/get-started/csi_recv_router/main/app_main.c b/get-started/csi_recv_router/main/app_main.c
index 98d2c98..79426e4 100644
--- a/get-started/csi_recv_router/main/app_main.c
+++ b/get-started/csi_recv_router/main/app_main.c
@@ -2157,38 +2157,58 @@ static int cmd_handle(const char *cmd, char *reply, size_t reply_size)
         return strlen(reply);
     }
 
+    /* PING — echo reply for connectivity tests */
+    if (strcmp(cmd, "PING") == 0) {
+        snprintf(reply, reply_size, "OK PONG");
+        return strlen(reply);
+    }
+
+    /* LOG <NONE|ERROR|WARN|INFO|DEBUG|VERBOSE> */
+    if (strncmp(cmd, "LOG ", 4) == 0) {
+        const char *arg = cmd + 4;
+        esp_log_level_t level;
+        if (strcmp(arg, "NONE") == 0)         level = ESP_LOG_NONE;
+        else if (strcmp(arg, "ERROR") == 0)    level = ESP_LOG_ERROR;
+        else if (strcmp(arg, "WARN") == 0)     level = ESP_LOG_WARN;
+        else if (strcmp(arg, "INFO") == 0)     level = ESP_LOG_INFO;
+        else if (strcmp(arg, "DEBUG") == 0)    level = ESP_LOG_DEBUG;
+        else if (strcmp(arg, "VERBOSE") == 0)  level = ESP_LOG_VERBOSE;
+        else {
+            snprintf(reply, reply_size, "ERR LOG NONE|ERROR|WARN|INFO|DEBUG|VERBOSE");
+            return strlen(reply);
+        }
+        esp_log_level_set("*", level);
+        snprintf(reply, reply_size, "OK LOG %s", arg);
+        return strlen(reply);
+    }
+    if (strcmp(cmd, "LOG") == 0) {
+        snprintf(reply, reply_size, "OK LOG (use LOG <NONE|ERROR|WARN|INFO|DEBUG|VERBOSE>)");
+        return strlen(reply);
+    }
+
+    /* RSSI RESET — reset min/max counters */
+    if (strcmp(cmd, "RSSI RESET") == 0) {
+        s_rssi_min = 0;
+        s_rssi_max = -128;
+        snprintf(reply, reply_size, "OK RSSI min/max reset");
+        return strlen(reply);
+    }
+
     /* HELP */
     if (strcmp(cmd, "HELP") == 0) {
         int pos = 0;
         pos += snprintf(reply + pos, reply_size - pos,
             "OK HELP\n"
-            "STATUS                  — sensor status\n"
-            "CONFIG                  — dump all NVS settings\n"
-            "RATE <10-100>           — set CSI ping rate (Hz)\n"
-            "POWER <2-20>           — set TX power (dBm)\n"
-            "TARGET <ip> [port]      — set data destination\n"
-            "HOSTNAME [name]         — get/set hostname\n"
-            "CSI [ON|OFF]            — toggle CSI collection\n"
-            "CSIMODE [RAW|COMPACT|HYBRID N] — CSI output mode\n"
-            "ADAPTIVE [ON|OFF]       — adaptive sampling\n"
-            "THRESHOLD <0-1>         — motion threshold\n"
-            "BLE [ON|OFF]            — BLE scanning\n"
-            "SCANRATE <5-300>        — BLE scan interval (s)\n"
-            "PROBERATE <1-300>       — probe dedup cooldown (s)\n"
-            "CALIBRATE [STATUS|CLEAR|N] — baseline calibration\n"
-            "PRESENCE [ON|OFF|THRESHOLD] — presence detection\n"
-            "CHANSCAN [ON|OFF|NOW|INTERVAL] — channel scanning\n"
-            "LED [QUIET|AUTO]        — LED mode\n"
-            "POWERSAVE [ON|OFF]      — WiFi modem sleep\n"
-            "AUTH [secret|OFF]       — HMAC authentication\n"
-            "FLOODTHRESH <n> [win]   — deauth flood threshold\n"
-            "OTA <url>               — firmware update\n"
-            "POWERTEST [dwell]       — power profiling\n"
-            "PROFILE                 — heap/stack/CPU stats\n"
-            "IDENTIFY                — LED solid 5s\n"
-            "REBOOT                  — restart sensor\n"
-            "FACTORY                 — erase config, reboot\n"
-            "HELP                    — this message");
+            "STATUS CONFIG PROFILE PING HELP\n"
+            "RATE <10-100>  POWER <2-20>  TARGET <ip> [port]\n"
+            "HOSTNAME [name]  CSI [ON|OFF]  CSIMODE [RAW|COMPACT|HYBRID N]\n"
+            "ADAPTIVE [ON|OFF]  THRESHOLD <0-1>\n"
+            "BLE [ON|OFF]  SCANRATE <5-300>  PROBERATE <1-300>\n"
+            "CALIBRATE [STATUS|CLEAR|N]  PRESENCE [ON|OFF|THRESHOLD]\n"
+            "CHANSCAN [ON|OFF|NOW|INTERVAL]  LED [QUIET|AUTO]\n"
+            "POWERSAVE [ON|OFF]  AUTH [secret|OFF]  FLOODTHRESH <n> [win]\n"
+            "LOG <NONE|ERROR|WARN|INFO|DEBUG|VERBOSE>  RSSI RESET\n"
+            "OTA <url>  POWERTEST [dwell]  IDENTIFY  REBOOT  FACTORY");
         return pos;
     }