feat: UpdateAgent Selbstaktualisierung & kopflose Installation, .NET 10 Migration, Backend- & SDK-Fixes

- .NET 10 Migration: Alle .NET-Projekte auf net10.0 umgestellt (#459)
- Client-SDK: ResolveAgentPath bereinigt und DLL-Pruefung ergaenzt (#458)
- Packager: Commit-Ermittlung aus publishDir / Assembly InformationalVersion (#456)
- BuildInfo.targets: ExitCode-Abfang und Regex-Validierung gegen Git-Fehlertexte (#363)
- UpdateService: Re-Publish erhaelt bestehende Manifeste und Werte (#457)
- Bugtracker API: on_roadmap-Filter in manage?action=list durchgereicht (#349)
- Watchdog API: project_slug-Filter in GET /status ergaenzt (#420)
- UpdateService API: no_release_for_platform mit verfuegbaren Plattformen (#421)
- Bugtracker Core: Fehler-Normalisierung gegen zersplitterte error_hashes (#419)
- UpdateAgent: Kopfloser Installationsmodus via --answers (#89)
- Installer & Agent: Automatische Selbstaktualisierung beim Start
- Tooling: AGENTS.md, CLAUDE.md und Standalone-CLI scripts/dc.py hinzugefuegt

public/api/bugtracker/v1/manage/index.php

@@ -505,6 +505,10 @@ function collectFilters(?string $boundProject, ?string $homeProject = null): arr
         $filters['unclaimed_only'] = filter_var(Http::input('unclaimed_only'), FILTER_VALIDATE_BOOLEAN);
     }
 
+    if (Http::input('on_roadmap') !== null && Http::input('on_roadmap') !== '') {
+        $filters['on_roadmap'] = filter_var(Http::input('on_roadmap'), FILTER_VALIDATE_BOOLEAN);
+    }
+
     // Ein projektgebundenes Token kann den Projektfilter nicht umgehen.
     if ($boundProject !== null) {
         $filters['project_slug'] = $boundProject;

public/api/updateservice/v1/index.php

@@ -88,13 +88,25 @@ switch ($action) {
             Http::fail(400, 'missing_product', 'Der Parameter "product" wird benoetigt.');
         }
 
-        $release = $manager->latestRelease(
-            $product,
-            Http::str('channel') ?? 'prod',
-            Http::str('platform') ?? Http::str('rid')
-        );
+        $platform = Http::str('platform') ?? Http::str('rid');
+        $channel  = Http::str('channel') ?? 'prod';
+
+        $release = $manager->latestRelease($product, $channel, $platform);
         if ($release === null) {
-            Http::fail(404, 'no_release', sprintf('Fuer "%s" ist kein Release hinterlegt.', $product));
+            $available = $manager->getAvailablePlatforms($product, $channel);
+            if (!empty($available)) {
+                Http::fail(404, 'no_release_for_platform', sprintf(
+                    'Fuer "%s" (%s) ist kein Release fuer die Plattform "%s" hinterlegt. Verfuegbare Plattformen: %s.',
+                    $product,
+                    $channel,
+                    $platform ?? 'any',
+                    implode(', ', $available)
+                ), null, [
+                    'requested_platform'  => $platform ?? 'any',
+                    'available_platforms' => $available,
+                ]);
+            }
+            Http::fail(404, 'no_release', sprintf('Fuer "%s" (%s) ist kein Release hinterlegt.', $product, $channel));
         }
 
         Http::ok(['release' => $release]);

public/api/watchdog/v1/index.php

@@ -157,9 +157,16 @@ switch ($action) {
         Http::ok(['event_id' => $eventId], 201);
 
     case 'status':
-        ApiAuth::requireScope($db, 'watchdog:read');
-        $monitors = $monitorRepo->getAllMonitors();
-        Http::ok(['count' => count($monitors), 'monitors' => $monitors]);
+        $context = ApiAuth::requireScope($db, 'watchdog:read');
+        $requestedSlug = Http::str('project_slug') ?? Http::str('project');
+        $boundProject  = ApiAuth::projectFilter($context);
+        $projectSlug   = $boundProject ?? $requestedSlug;
+
+        $monitors = $monitorRepo->getAllMonitors($projectSlug);
+        Http::ok(array_merge(
+            ['count' => count($monitors), 'monitors' => $monitors],
+            ApiAuth::scopeNotice($requestedSlug, (string)($projectSlug ?? 'all'))
+        ));
 
     case 'events':
         ApiAuth::requireScope($db, 'watchdog:read');