refactor(adapters): extract common helpers + fix kilo native schema

internal/adapters/kilo/import.go

@@ -1,46 +1,17 @@
 package kilo
 
 import (
-	"encoding/json"
-	"os"
 	"path/filepath"
 
 	"github.com/lukaszraczylo/harness-sync/internal/adapter"
-	"github.com/lukaszraczylo/harness-sync/internal/canonical"
+	"github.com/lukaszraczylo/harness-sync/internal/adapter/common"
 )
 
 func importFrom(home string) (*adapter.ImportResult, error) {
 	cfgPath := filepath.Join(home, ".config", "kilo", "kilo.json")
-	body, err := os.ReadFile(cfgPath)
-	if os.IsNotExist(err) {
-		return &adapter.ImportResult{}, nil
-	}
+	servers, err := common.ImportMCPFromJSONFile(cfgPath, "mcp")
 	if err != nil {
 		return nil, err
 	}
-
-	type mcpEntry struct { //nolint:govet // fieldalignment not achievable: map+slice+3 strings = 80 bytes regardless of order
-		Env       map[string]string `json:"env"`
-		Args      []string          `json:"args"`
-		Command   string            `json:"command"`
-		URL       string            `json:"url"`
-		Transport string            `json:"transport"`
-	}
-	var doc struct {
-		MCPServers map[string]mcpEntry `json:"mcpServers"`
-	}
-	_ = json.Unmarshal(body, &doc)
-
-	res := &adapter.ImportResult{}
-	for nm, v := range doc.MCPServers {
-		res.MCP = append(res.MCP, canonical.MCPServer{
-			Name:      nm,
-			Command:   v.Command,
-			Args:      v.Args,
-			URL:       v.URL,
-			Transport: v.Transport,
-			Env:       v.Env,
-		})
-	}
-	return res, nil
+	return &adapter.ImportResult{MCP: servers}, nil
 }