feat: improve updater flow and release channels

- added dedicated GUI updater executable and integrated launch path from main app

- added stable/beta update channel selection with persisted settings and checker support

- expanded CI/release validation to include updater and full test discovery

services/update_service.py

@@ -38,6 +38,75 @@ def _sanitize_repo_url(value):
     return f"{parsed.scheme}://{parsed.netloc}{clean_path}"
 
 
+def _normalize_update_channel(value):
+    channel = (value or "").strip().lower()
+    if channel in ("beta", "betas", "pre", "prerelease", "pre-release"):
+        return "beta"
+    return "stable"
+
+
+def _select_release_from_list(releases):
+    for item in releases:
+        if not isinstance(item, dict):
+            continue
+        if item.get("draft"):
+            continue
+        tag_name = (item.get("tag_name") or item.get("name") or "").strip()
+        if not tag_name:
+            continue
+        return item
+    return None
+
+
+def _extract_release_payload(release_data, repository_url, current_version):
+    parsed = urlparse(repository_url)
+    base_url = f"{parsed.scheme}://{parsed.netloc}"
+    repo_path = parsed.path.strip("/")
+    releases_url = f"{base_url}/{repo_path}/releases"
+
+    latest_tag = release_data.get("tag_name") or release_data.get("name") or ""
+    latest_version = latest_tag.lstrip("vV").strip()
+    html_url = release_data.get("html_url") or releases_url
+    assets = release_data.get("assets") or []
+    download_url = ""
+    download_name = ""
+    checksum_url = ""
+    for asset in assets:
+        url = asset.get("browser_download_url", "")
+        if url.lower().endswith(".zip"):
+            download_url = url
+            download_name = asset.get("name", "")
+            break
+    if not download_url and assets:
+        download_url = assets[0].get("browser_download_url", "")
+        download_name = assets[0].get("name", "")
+
+    for asset in assets:
+        name = asset.get("name", "").lower()
+        if not name:
+            continue
+        is_checksum_asset = name.endswith(".sha256") or name.endswith(".sha256.txt") or name in ("checksums.txt", "sha256sums.txt")
+        if not is_checksum_asset:
+            continue
+        if download_name and (download_name.lower() in name or name in (f"{download_name.lower()}.sha256", f"{download_name.lower()}.sha256.txt")):
+            checksum_url = asset.get("browser_download_url", "")
+            break
+        if not checksum_url:
+            checksum_url = asset.get("browser_download_url", "")
+
+    return {
+        "repository_url": repository_url,
+        "latest_version": latest_version,
+        "current_version": current_version,
+        "latest_tag": latest_tag,
+        "release_url": html_url,
+        "download_url": download_url,
+        "download_name": download_name,
+        "checksum_url": checksum_url,
+        "has_update": _is_newer_version(latest_version, current_version),
+    }
+
+
 def detect_update_repository_url(configured_url="", configured_repo=""):
     env_url = _sanitize_repo_url(os.getenv("ANABASIS_UPDATE_URL", ""))
     if env_url:
@@ -74,11 +143,12 @@ class UpdateChecker(QObject):
     check_finished = Signal(dict)
     check_failed = Signal(str)
 
-    def __init__(self, repository_url, current_version, request_timeout=8):
+    def __init__(self, repository_url, current_version, request_timeout=8, channel="stable"):
         super().__init__()
         self.repository_url = repository_url
         self.current_version = current_version
         self.request_timeout = request_timeout
+        self.channel = _normalize_update_channel(channel)
 
     def run(self):
         if not self.repository_url:
@@ -92,10 +162,17 @@ class UpdateChecker(QObject):
             self.check_failed.emit("Некорректный URL репозитория обновлений.")
             return
 
+        use_beta_channel = self.channel == "beta"
         if parsed.netloc.lower().endswith("github.com"):
-            api_url = f"https://api.github.com/repos/{repo_path}/releases/latest"
+            if use_beta_channel:
+                api_url = f"https://api.github.com/repos/{repo_path}/releases"
+            else:
+                api_url = f"https://api.github.com/repos/{repo_path}/releases/latest"
         else:
-            api_url = f"{base_url}/api/v1/repos/{repo_path}/releases/latest"
+            if use_beta_channel:
+                api_url = f"{base_url}/api/v1/repos/{repo_path}/releases"
+            else:
+                api_url = f"{base_url}/api/v1/repos/{repo_path}/releases/latest"
         releases_url = f"{base_url}/{repo_path}/releases"
         request = urllib.request.Request(
             api_url,
@@ -106,7 +183,7 @@ class UpdateChecker(QObject):
         )
         try:
             with urllib.request.urlopen(request, timeout=self.request_timeout) as response:
-                release_data = json.loads(response.read().decode("utf-8"))
+                response_data = json.loads(response.read().decode("utf-8"))
         except urllib.error.HTTPError as e:
             self.check_failed.emit(f"Ошибка HTTP при проверке обновлений: {e.code}")
             return
@@ -117,47 +194,20 @@ class UpdateChecker(QObject):
             self.check_failed.emit(f"Не удалось проверить обновления: {e}")
             return
 
-        latest_tag = release_data.get("tag_name") or release_data.get("name") or ""
-        latest_version = latest_tag.lstrip("vV").strip()
-        html_url = release_data.get("html_url") or releases_url
-        assets = release_data.get("assets") or []
-        download_url = ""
-        download_name = ""
-        checksum_url = ""
-        for asset in assets:
-            url = asset.get("browser_download_url", "")
-            if url.lower().endswith(".zip"):
-                download_url = url
-                download_name = asset.get("name", "")
-                break
-        if not download_url and assets:
-            download_url = assets[0].get("browser_download_url", "")
-            download_name = assets[0].get("name", "")
-
-        for asset in assets:
-            name = asset.get("name", "").lower()
-            if not name:
-                continue
-            is_checksum_asset = name.endswith(".sha256") or name.endswith(".sha256.txt") or name in ("checksums.txt", "sha256sums.txt")
-            if not is_checksum_asset:
-                continue
-            if download_name and (download_name.lower() in name or name in (f"{download_name.lower()}.sha256", f"{download_name.lower()}.sha256.txt")):
-                checksum_url = asset.get("browser_download_url", "")
-                break
-            if not checksum_url:
-                checksum_url = asset.get("browser_download_url", "")
-
-        self.check_finished.emit(
-            {
-                "repository_url": self.repository_url,
-                "latest_version": latest_version,
-                "current_version": self.current_version,
-                "latest_tag": latest_tag,
-                "release_url": html_url,
-                "download_url": download_url,
-                "download_name": download_name,
-                "checksum_url": checksum_url,
-                "has_update": _is_newer_version(latest_version, self.current_version),
-            }
-        )
+        release_data = response_data
+        if use_beta_channel:
+            if not isinstance(response_data, list):
+                self.check_failed.emit("Сервер вернул некорректный ответ списка релизов.")
+                return
+            release_data = _select_release_from_list(response_data)
+            if not release_data:
+                self.check_failed.emit("В канале beta не найдено доступных релизов.")
+                return
+        elif not isinstance(response_data, dict):
+            self.check_failed.emit("Сервер вернул некорректный ответ релиза.")
+            return
 
+        payload = _extract_release_payload(release_data, self.repository_url, self.current_version)
+        payload["release_channel"] = self.channel
+        payload["releases_url"] = releases_url
+        self.check_finished.emit(payload)