Add UART SET_LOG_LEVEL for runtime master ESP-IDF logging.

Expose the command via goTool CLI/REST and dashboard controls so log verbosity can be tuned without reflashing.

Co-authored-by: Cursor <cursoragent@cursor.com>

goTool/cmd_log_level.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+
+	"google.golang.org/protobuf/proto"
+	"powerpod/gotool/pb"
+)
+
+func runLogLevel(sp *serialPort, args []string) error {
+	fs := flag.NewFlagSet("log-level", flag.ExitOnError)
+	write := fs.Bool("set", false, "write log level (default: read)")
+	level := fs.Uint("level", 0, "esp_log_level_t 0–5 (with -set)")
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+	resp, err := sp.setLogLevel(*write, uint32(*level))
+	if err != nil {
+		return err
+	}
+	if !resp.GetSuccess() {
+		return fmt.Errorf("set_log_level rejected (level=%d)", resp.GetLevel())
+	}
+	fmt.Printf("log_level=%d success=%v\n", resp.GetLevel(), resp.GetSuccess())
+	return nil
+}
+
+func runSetLogLevelClient(sp *serialPort, write bool, level uint32) (*pb.SetLogLevelResponse, error) {
+	return sp.setLogLevel(write, level)
+}
+
+func (s *serialPort) setLogLevel(write bool, level uint32) (*pb.SetLogLevelResponse, error) {
+	msg := &pb.UartMessage{
+		Type: pb.MessageType_SET_LOG_LEVEL,
+		Payload: &pb.UartMessage_SetLogLevelRequest{
+			SetLogLevelRequest: &pb.SetLogLevelRequest{
+				Write: write,
+				Level: level,
+			},
+		},
+	}
+	body, err := proto.Marshal(msg)
+	if err != nil {
+		return nil, fmt.Errorf("encode: %w", err)
+	}
+	payload := append([]byte{byte(pb.MessageType_SET_LOG_LEVEL)}, body...)
+	respPayload, err := s.exchangePayload(payload, "SET_LOG_LEVEL")
+	if err != nil {
+		return nil, err
+	}
+	var respMsg pb.UartMessage
+	if err := proto.Unmarshal(respPayload[1:], &respMsg); err != nil {
+		return nil, fmt.Errorf("decode: %w", err)
+	}
+	r := respMsg.GetSetLogLevelResponse()
+	if r == nil {
+		return nil, fmt.Errorf("missing set_log_level_response")
+	}
+	return r, nil
+}