feat: move distribution builds to platform Docker builder

platform/api/router.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"browser.local/platform/config"
 	"browser.local/platform/repo"
@@ -47,6 +48,13 @@ func NewRouterFromConfig(cfg config.Config) (http.Handler, error) {
 	if err := core.ConfigureSecretEnvelopeKey(cfg.SecretEnvelopeKey); err != nil {
 		return nil, err
 	}
+	core.ConfigureDistributionBuilder(service.NewDockerDistributionBuilder(service.DockerDistributionBuilderConfig{
+		DockerBinary: cfg.BuilderDockerBinary,
+		Image:        cfg.BuilderImage,
+		SourceDir:    cfg.BuilderSourceDir,
+		WorkspaceDir: cfg.BuilderWorkspaceDir,
+		Timeout:      time.Duration(cfg.BuilderTimeoutSeconds) * time.Second,
+	}))
 	if err := core.ConfigureAIProviderMode(cfg.AIProviderMode); err != nil {
 		return nil, err
 	}