feat: 建立 Sense Windows 交付包 (#70)

Sense/server/app/sense/media/runtime.go

@@ -3,6 +3,8 @@ package media
 import (
 	"context"
 	"errors"
+	"os"
+	"strings"
 	"sync"
 	"time"
 
@@ -16,6 +18,10 @@ var runtimeState struct {
 }
 
 func StartRuntime(parent context.Context, db *gorm.DB) error {
+	mode := strings.ToLower(strings.TrimSpace(os.Getenv("SENSE_MEDIAMTX_MODE")))
+	if mode == "disabled" {
+		return nil
+	}
 	if db == nil {
 		return errors.New("Sense database is unavailable for MediaMTX runtime")
 	}
@@ -29,6 +35,12 @@ func StartRuntime(parent context.Context, db *gorm.DB) error {
 	}
 	service := NewService(db, controller, NewSupervisor(config.Binary, config.ConfigPath), config)
 	ctx, cancel := context.WithCancel(parent)
+	if mode == "managed" || mode == "external" {
+		if err = service.ensureControl(ctx); err != nil {
+			cancel()
+			return err
+		}
+	}
 	runtimeState.Lock()
 	if runtimeState.cancel != nil {
 		runtimeState.cancel()

Sense/server/app/sense/media/runtime_test.go

@@ -0,0 +1,22 @@
+package media
+
+import (
+	"context"
+	"strings"
+	"testing"
+)
+
+func TestStartRuntimeAllowsExplicitDemoDisable(t *testing.T) {
+	t.Setenv("SENSE_MEDIAMTX_MODE", "disabled")
+	if err := StartRuntime(context.Background(), nil); err != nil {
+		t.Fatalf("disabled demo runtime must not require MediaMTX or a database: %v", err)
+	}
+}
+
+func TestStartRuntimeManagedModeRequiresDatabase(t *testing.T) {
+	t.Setenv("SENSE_MEDIAMTX_MODE", "managed")
+	err := StartRuntime(context.Background(), nil)
+	if err == nil || !strings.Contains(err.Error(), "database") {
+		t.Fatalf("managed runtime must fail before HTTP startup without a database: %v", err)
+	}
+}