From 9d3d275dca8e8dc442eb04434c8bd0fdad79bc04 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Thu, 04 Jun 2026 00:53:16 +0800
Subject: [PATCH] Freeze 2.1.28 for Mac App Store release

---
 privatevoice.src/internal/model/model_test.go |   49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/privatevoice.src/internal/model/model_test.go b/privatevoice.src/internal/model/model_test.go
index 3f373a6..c334d19 100644
--- a/privatevoice.src/internal/model/model_test.go
+++ b/privatevoice.src/internal/model/model_test.go
@@ -3,10 +3,13 @@
 import (
 	"archive/tar"
 	"bytes"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"os"
 	"path/filepath"
+	"strconv"
+	"strings"
 	"testing"
 )
 
@@ -588,6 +591,52 @@
 	}
 }
 
+func TestDownloadFileResumesExistingPartialFile(t *testing.T) {
+	payload := []byte("0123456789abcdefghijklmnopqrstuvwxyz")
+
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		rangeHeader := r.Header.Get("Range")
+		start := 0
+		if strings.HasPrefix(rangeHeader, "bytes=") && strings.HasSuffix(rangeHeader, "-") {
+			parsed, err := strconv.Atoi(strings.TrimSuffix(strings.TrimPrefix(rangeHeader, "bytes="), "-"))
+			if err == nil {
+				start = parsed
+			}
+		}
+		if start > len(payload) {
+			w.WriteHeader(http.StatusRequestedRangeNotSatisfiable)
+			return
+		}
+		if start > 0 {
+			w.Header().Set("Content-Range", fmt.Sprintf("bytes %d-%d/%d", start, len(payload)-1, len(payload)))
+			w.Header().Set("Content-Length", strconv.Itoa(len(payload)-start))
+			w.WriteHeader(http.StatusPartialContent)
+			w.Write(payload[start:])
+			return
+		}
+
+		w.Header().Set("Content-Length", strconv.Itoa(len(payload)))
+		w.WriteHeader(http.StatusOK)
+		w.Write(payload)
+	}))
+	defer server.Close()
+
+	dest := filepath.Join(t.TempDir(), "model_package")
+	if err := os.WriteFile(dest, payload[:10], 0644); err != nil {
+		t.Fatal(err)
+	}
+	if err := downloadFile(server.URL, dest, nil); err != nil {
+		t.Fatal(err)
+	}
+	data, err := os.ReadFile(dest)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !bytes.Equal(data, payload) {
+		t.Fatalf("downloaded payload = %q, want %q", string(data), string(payload))
+	}
+}
+
 func createValidSenseVoice(t *testing.T, dir string) {
 	t.Helper()
 	if err := os.MkdirAll(dir, 0755); err != nil {

--
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