fix: ignore CONFIGURE config-set flags

internal/driver/shared/config.go

@@ -57,12 +57,23 @@ func ParseConfigSetCommand(line, driverPrefix string) (path string, value any, e
 		)
 	}
 
-	path = strings.TrimSpace(parts[3])
+	args := parts[3:]
+	for len(args) > 0 && isConfigSetFlag(args[0]) {
+		args = args[1:]
+	}
+	for len(args) > 0 && isConfigSetFlag(args[len(args)-1]) {
+		args = args[:len(args)-1]
+	}
+	if len(args) < 2 {
+		return "", nil, fmt.Errorf("unrecognized CONFIGURE command: %q (expected '<path> <value>')", line)
+	}
+
+	path = strings.TrimSpace(args[0])
 	if path == "" {
 		return "", nil, fmt.Errorf("unrecognized CONFIGURE command: %q (expected non-empty path)", line)
 	}
 
-	valueText := strings.TrimSpace(strings.Join(parts[4:], " "))
+	valueText := strings.TrimSpace(strings.Join(args[1:], " "))
 	if valueText == "" {
 		return "", nil, fmt.Errorf("unrecognized CONFIGURE command: %q (expected non-empty value)", line)
 	}
@@ -75,6 +86,15 @@ func ParseConfigSetCommand(line, driverPrefix string) (path string, value any, e
 	return path, valueText, nil
 }
 
+func isConfigSetFlag(token string) bool {
+	switch token {
+	case "--json", "--strict-json":
+		return true
+	default:
+		return false
+	}
+}
+
 func PrimaryModelRef(models map[string]string) (string, error) {
 	if models == nil {
 		return "", fmt.Errorf("missing MODEL primary (set `MODEL primary <provider/model>` in Clawfile)")

internal/driver/shared/config_test.go

@@ -61,6 +61,45 @@ func TestParseConfigSetCommandPreservesStringValue(t *testing.T) {
 	}
 }
 
+func TestParseConfigSetCommandIgnoresTrailingJSONFlag(t *testing.T) {
+	path, value, err := ParseConfigSetCommand(`openclaw config set agents.defaults.contextTokens 20000 --json`, "openclaw")
+	if err != nil {
+		t.Fatalf("ParseConfigSetCommand returned error: %v", err)
+	}
+	if path != "agents.defaults.contextTokens" {
+		t.Fatalf("unexpected path: %q", path)
+	}
+	if contextTokens, ok := value.(float64); !ok || contextTokens != 20000 {
+		t.Fatalf("expected numeric 20000, got %#v", value)
+	}
+}
+
+func TestParseConfigSetCommandIgnoresLeadingJSONFlag(t *testing.T) {
+	path, value, err := ParseConfigSetCommand(`openclaw config set --json agents.defaults.contextTokens 20000`, "openclaw")
+	if err != nil {
+		t.Fatalf("ParseConfigSetCommand returned error: %v", err)
+	}
+	if path != "agents.defaults.contextTokens" {
+		t.Fatalf("unexpected path: %q", path)
+	}
+	if contextTokens, ok := value.(float64); !ok || contextTokens != 20000 {
+		t.Fatalf("expected numeric 20000, got %#v", value)
+	}
+}
+
+func TestParseConfigSetCommandIgnoresStrictJSONFlag(t *testing.T) {
+	path, value, err := ParseConfigSetCommand(`openclaw config set --strict-json agents.defaults.contextTokens 20000`, "openclaw")
+	if err != nil {
+		t.Fatalf("ParseConfigSetCommand returned error: %v", err)
+	}
+	if path != "agents.defaults.contextTokens" {
+		t.Fatalf("unexpected path: %q", path)
+	}
+	if contextTokens, ok := value.(float64); !ok || contextTokens != 20000 {
+		t.Fatalf("expected numeric 20000, got %#v", value)
+	}
+}
+
 func TestParseConfigSetCommandRejectsUnexpectedPrefix(t *testing.T) {
 	_, _, err := ParseConfigSetCommand(`picoclaw config set agents.defaults.model_name "fallback"`, "hermes")
 	if err == nil {