test: second review -- the upload chat model outside the chain, room checked before spooling, a cut-off body is a 400, bidi controls in titles, the ensemble's deadline wiring, an honest test name (red)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/uploads/intake_busy_test.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -29,3 +30,37 @@ func TestAccept_AFullQueueIsABusyRejectionNotAServerErrorAndLeavesNothingBehind(
 	assert.Equal(t, domain.UploadErrBusy, r.st.failed["up-1"], "the row must not sit queued: that is the stuck spinner")
 	assert.Empty(t, r.tmpFiles(t), "the audio is deleted")
 }
+
+// roomSubmitter is a Submitter that can say, before anything is spooled, that there is no room.
+type roomSubmitter struct {
+	fakeSubmitter
+	room bool
+}
+
+func (r *roomSubmitter) HasRoom(string) bool { return r.room }
+
+func TestAccept_ANoRoomQueueIsRefusedBeforeAnythingIsSpooledProbedOrStored(t *testing.T) {
+	// Checking only at Submit meant 200 MB was spooled and ffprobe run for every refused
+	// attempt, and a failed row was left behind each time (second adversarial review).
+	r := newRig(t)
+	full := &roomSubmitter{room: false}
+	in := uploads.NewIntake(r.st, r.pr, full, uploads.Limits{MaxBytes: 1024, MaxDuration: 90 * time.Minute}, r.tmp)
+
+	_, err := in.Accept(context.Background(), "user-1", "t", strings.NewReader("data"))
+
+	var rej *uploads.RejectError
+	require.True(t, errors.As(err, &rej))
+	assert.Equal(t, uploads.ReasonBusy, rej.Reason)
+	assert.Empty(t, r.st.created, "no row for an upload that was never accepted")
+	assert.Empty(t, r.pr.paths, "ffprobe was never run on it")
+	assert.Empty(t, r.tmpFiles(t), "nothing was spooled")
+	assert.Empty(t, full.jobs)
+}
+
+func TestAccept_ASubmitterThatCannotSayStillWorksAsBefore(t *testing.T) {
+	r := newRig(t)
+
+	_, err := r.in.Accept(context.Background(), "user-1", "t", strings.NewReader("data"))
+
+	require.NoError(t, err, "a Submitter without HasRoom is accepted: the check at Submit remains")
+}