feat: Prism HTTP/SOCKS5 代理网关及管理台

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

internal/core/home.go

@@ -0,0 +1,10 @@
+package core
+
+import (
+	"github.com/prism/proxy/internal/geodata"
+)
+
+// InitDataDir points Mihomo geodata/cache paths at dataDir/geo.
+func InitDataDir(dataDir string) string {
+	return geodata.InitHomeDir(dataDir)
+}

internal/core/mihomo.go

@@ -0,0 +1,74 @@
+package core
+
+import (
+	"fmt"
+	"sync"
+
+	"github.com/metacubex/mihomo/hub"
+	"github.com/metacubex/mihomo/hub/executor"
+)
+
+type Engine struct {
+	mu         sync.Mutex
+	apiAddr    string
+	secret     string
+	lastGood   []byte
+	running    bool
+}
+
+func NewEngine() *Engine {
+	return &Engine{}
+}
+
+func (e *Engine) Configure(apiAddr, secret string) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	e.apiAddr = apiAddr
+	e.secret = secret
+}
+
+func (e *Engine) Reload(yaml []byte) error {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+
+	if _, err := executor.ParseWithBytes(yaml); err != nil {
+		return fmt.Errorf("config validation failed: %w", err)
+	}
+
+	opts := []hub.Option{
+		hub.WithExternalController(e.apiAddr),
+	}
+	if e.secret != "" {
+		opts = append(opts, hub.WithSecret(e.secret))
+	}
+
+	if err := hub.Parse(yaml, opts...); err != nil {
+		return fmt.Errorf("mihomo reload failed: %w", err)
+	}
+
+	e.lastGood = append([]byte(nil), yaml...)
+	e.running = true
+	return nil
+}
+
+func (e *Engine) Shutdown() {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	executor.Shutdown()
+	e.running = false
+}
+
+func (e *Engine) LastGoodConfig() []byte {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	if e.lastGood == nil {
+		return nil
+	}
+	return append([]byte(nil), e.lastGood...)
+}
+
+func (e *Engine) Running() bool {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	return e.running
+}