feat(onboarding): add minimax api key step and AI-powered editor scan

- Add apikey step in onboarding wizard (optional, with validation)
- Add ScanEditors() in scanner package detecting vim/nvim/code/emacs/nano/helix/subl/zed
- Add GET /api/editors endpoint
- Editor step now has scan button to detect installed editors via backend
- MiniMax API key is saved to provider config if provided

💘 Generated with Crush

Assisted-by: MiniMax-M2.7 via Crush <crush@charm.land>

internal/api/handlers_info.go

@@ -117,3 +117,8 @@ func (s *Server) handleScan(w http.ResponseWriter, r *http.Request) {
 	s.scanResult = scanner.ScanSystem()
 	writeJSON(w, map[string]string{"status": "ok"})
 }
+
+func (s *Server) handleEditors(w http.ResponseWriter, r *http.Request) {
+	editors := scanner.ScanEditors()
+	writeJSON(w, map[string]interface{}{"editors": editors})
+}

internal/api/server.go

@@ -1,18 +1,22 @@
 package api
 
 import (
+	"encoding/json"
 	"net/http"
 	"strings"
 
+	"github.com/muyue/muyue/internal/agent"
 	"github.com/muyue/muyue/internal/config"
 	"github.com/muyue/muyue/internal/scanner"
 )
 
 type Server struct {
-	config     *config.MuyueConfig
-	scanResult *scanner.ScanResult
-	mux        *http.ServeMux
-	convStore  *ConversationStore
+	config         *config.MuyueConfig
+	scanResult     *scanner.ScanResult
+	mux            *http.ServeMux
+	convStore      *ConversationStore
+	agentRegistry  *agent.Registry
+	agentToolsJSON json.RawMessage
 }
 
 func NewServer(cfg *config.MuyueConfig) *Server {
@@ -22,6 +26,10 @@ func NewServer(cfg *config.MuyueConfig) *Server {
 	}
 	s.scanResult = scanner.ScanSystem()
 	s.convStore = NewConversationStore()
+	s.agentRegistry = agent.DefaultRegistry()
+	tools := s.agentRegistry.OpenAITools()
+	toolsJSON, _ := json.Marshal(tools)
+	s.agentToolsJSON = json.RawMessage(toolsJSON)
 	s.routes()
 	return s
 }
@@ -38,6 +46,7 @@ func (s *Server) routes() {
 	s.mux.HandleFunc("/api/updates", s.handleUpdates)
 	s.mux.HandleFunc("/api/install", s.handleInstall)
 	s.mux.HandleFunc("/api/scan", s.handleScan)
+	s.mux.HandleFunc("/api/editors", s.handleEditors)
 	s.mux.HandleFunc("/api/preferences", s.handleUpdatePreferences)
 	s.mux.HandleFunc("/api/terminal", s.handleTerminal)
 	s.mux.HandleFunc("/api/ws/terminal", s.handleTerminalWS)