feat(update): add robust GitHub update checking

- replace legacy provider tasks with an injectable update checker
- track release, tag, and commit lookup results independently
- preserve last known good results across failed refreshes
- persist schema-versioned update state and reject stale formats
- add update presentation logic and refresh the update dialog UI
- remove provider selection in favor of GitHub Releases
- add comprehensive release-checking and presentation tests

1 files changed, 4 insertions, 11 deletions

diff --git a/src/m_ver_check/Utils.h b/src/m_ver_check/Utils.h
index a811aa6..3d1d035 100644
--- a/src/m_ver_check/Utils.h
+++ b/src/m_ver_check/Utils.h
@@ -28,15 +28,8 @@
 
 #pragma once
 
-#include "SoftwareVersion.h"
+#include "UpdateChecker.h"
 
-void FillGrtWithVersionInfo(const SoftwareVersion& version);
-
-/**
- * @brief Extract a normalized "vX.Y.Z" version string from a raw release tag or
- * title. Returns an empty string when the raw text does not match.
- *
- * @param raw_tag the raw tag/title from a release feed.
- * @return QString the matched version (e.g. "v2.1.3"), or empty on no match.
- */
-auto ExtractVersionFromRawTag(const QString& raw_tag) -> QString;
\ No newline at end of file
+/// Mirror the checker's state into the module's Host state namespace, where
+/// diagnostics can read it.
+void FillGrtWithVersionInfo(const UpdateSnapshot& state);