chore: remove dead code and wire up unused config fields

pkg/configpath/paths.go

@@ -52,7 +52,7 @@ func ResolveAppConfigPath(explicit string) (string, error) {
 		return filepath.Clean(explicit), nil
 	}
 
-	for _, envVar := range []string{"PANDA_CONFIG", "ETHPANDAOPS_CONFIG", "CONFIG_PATH"} {
+	for _, envVar := range []string{"PANDA_CONFIG", "ETHPANDAOPS_CONFIG"} {
 		if value := strings.TrimSpace(os.Getenv(envVar)); value != "" {
 			return filepath.Clean(value), nil
 		}
@@ -79,7 +79,7 @@ func ResolveProxyConfigPath(explicit, baseDir string) (string, error) {
 		return cleanRelative(baseDir, explicit), nil
 	}
 
-	for _, envVar := range []string{"PANDA_PROXY_CONFIG", "ETHPANDAOPS_PROXY_CONFIG", "CONFIG_PATH"} {
+	for _, envVar := range []string{"PANDA_PROXY_CONFIG", "ETHPANDAOPS_PROXY_CONFIG"} {
 		if value := strings.TrimSpace(os.Getenv(envVar)); value != "" {
 			return filepath.Clean(value), nil
 		}

pkg/operations/types.go

@@ -1,11 +1,7 @@
 package operations
 
 const (
-	ResultKindTable  = "table"
 	ResultKindObject = "object"
-
-	RowEncodingObject = "object"
-	RowEncodingArray  = "array"
 )
 
 type Request struct {

pkg/proxy/server_config.go

@@ -105,6 +105,8 @@ type PrometheusInstanceConfig struct {
 	URL         string `yaml:"url"`
 	Username    string `yaml:"username,omitempty"`
 	Password    string `yaml:"password,omitempty"`
+	SkipVerify  bool   `yaml:"skip_verify,omitempty"`
+	Timeout     int    `yaml:"timeout,omitempty"`
 }
 
 // LokiInstanceConfig holds Loki instance configuration.
@@ -114,6 +116,8 @@ type LokiInstanceConfig struct {
 	URL         string `yaml:"url"`
 	Username    string `yaml:"username,omitempty"`
 	Password    string `yaml:"password,omitempty"`
+	SkipVerify  bool   `yaml:"skip_verify,omitempty"`
+	Timeout     int    `yaml:"timeout,omitempty"`
 }
 
 // EthNodeInstanceConfig holds Ethereum node API access configuration.
@@ -315,6 +319,8 @@ func (c *ServerConfig) ToHandlerConfigs() ([]handlers.ClickHouseConfig, []handle
 			URL:         prom.URL,
 			Username:    prom.Username,
 			Password:    prom.Password,
+			SkipVerify:  prom.SkipVerify,
+			Timeout:     prom.Timeout,
 		}
 	}
 
@@ -327,6 +333,8 @@ func (c *ServerConfig) ToHandlerConfigs() ([]handlers.ClickHouseConfig, []handle
 			URL:         loki.URL,
 			Username:    loki.Username,
 			Password:    loki.Password,
+			SkipVerify:  loki.SkipVerify,
+			Timeout:     loki.Timeout,
 		}
 	}
 

pkg/server/operation_helpers.go

@@ -40,7 +40,6 @@ func writePassthroughResponse(w http.ResponseWriter, status int, contentType str
 	if contentType != "" {
 		w.Header().Set("Content-Type", contentType)
 	}
-	w.Header().Set("X-Operation-Transport", "passthrough")
 	w.WriteHeader(status)
 	if len(body) == 0 {
 		return