feat: add typed local package pilot root

Launcher.Next.Core/LauncherPaths.cs

@@ -31,6 +31,12 @@ public sealed record ResolvedLegacySettingsPath { internal ResolvedLegacySetting
 public sealed record ResolvedLegacyDownloadListPath { internal ResolvedLegacyDownloadListPath(string value) => Value=value; public string Value { get; } }
 public sealed record ResolvedLegacyCompatibilityOverlayPath { internal ResolvedLegacyCompatibilityOverlayPath(string value) => Value=value; public string Value { get; } }
 public sealed record ResolvedLegacyProbeEvidenceRoot { internal ResolvedLegacyProbeEvidenceRoot(string value) => Value=value; public string Value { get; } }
+public sealed record ResolvedLocalPackageCacheRoot { internal ResolvedLocalPackageCacheRoot(string value)=>Value=value; public string Value{get;} }
+public sealed record ResolvedPackageVersionStoreRoot { internal ResolvedPackageVersionStoreRoot(string value)=>Value=value; public string Value{get;} }
+public sealed record ResolvedPackageStagingRoot { internal ResolvedPackageStagingRoot(string value)=>Value=value; public string Value{get;} }
+public sealed record ResolvedActivePackageRoot { internal ResolvedActivePackageRoot(string value)=>Value=value; public string Value{get;} }
+public sealed record ResolvedPackageLifecycleEvidenceRoot { internal ResolvedPackageLifecycleEvidenceRoot(string value)=>Value=value; public string Value{get;} }
+public sealed record ResolvedPackagePilotRoot { internal ResolvedPackagePilotRoot(string value)=>Value=value; public string Value{get;} }
 
 public interface IPathResolver
 {
@@ -41,6 +47,7 @@ public interface IPathResolver
     ResolvedLegacyDownloadListPath ResolveLegacyDownloadListPath(LauncherPathVariables variables);
     ResolvedLegacyCompatibilityOverlayPath ResolveLegacyCompatibilityOverlayPath(LauncherPathVariables variables);
     ResolvedLegacyProbeEvidenceRoot ResolveLegacyProbeEvidenceRoot(LauncherPathVariables variables);
+    ResolvedPackagePilotRoot ResolvePackagePilotRoot(string value);
 }
 
 public sealed class PathResolver(IReadOnlyDictionary<string, string?>? environment = null) : IPathResolver
@@ -109,6 +116,8 @@ public sealed class PathResolver(IReadOnlyDictionary<string, string?>? environme
         if(value.StartsWith(@"\\",StringComparison.Ordinal)) throw new InvalidOperationException("LEGACY_PROBE_EVIDENCE_ROOT_NOT_LOCAL");
         return new(value);
     }
+    public ResolvedPackagePilotRoot ResolvePackagePilotRoot(string value)
+    { if (string.IsNullOrWhiteSpace(value)||value.Contains('*')||value.Contains('?')||value.StartsWith(@"\\")||!Path.IsPathFullyQualified(value)) throw new InvalidOperationException("PACKAGE_PILOT_ROOT_NOT_LOCAL"); var full=Path.GetFullPath(value); var info=new DirectoryInfo(full); if(info.Exists&&info.Attributes.HasFlag(FileAttributes.ReparsePoint)) throw new InvalidOperationException("PACKAGE_ROOT_REPARSE_REJECTED"); return new(full); }
     private string ResolveExistingFile(string role, LauncherPathVariables variables)
     {
         var value=ResolvePath(Resolve(variables,[role]).Require(role),variables);