Preserve project-local inspect metadata (#5054)

Author: Widthdom

src/CodeIndex/Cli/DbPathResolver.cs

@@ -202,6 +202,21 @@ private static string ComputeWorkspaceHash(string workspacePath)
         return null;
     }
 
+    /// <summary>
+    /// Resolve only the project-local DB layout override while preserving a project-root
+    /// value already captured by the caller's SQLite snapshot.
+    /// caller の SQLite snapshot で取得済みの project root を維持しつつ、
+    /// project-local DB layout の override だけを解決する。
+    /// </summary>
+    internal static string? ResolveProjectLocalRootForQuery(
+        string dbPath,
+        bool dbPathExplicit,
+        string? indexedProjectRoot)
+    {
+        var fullDbPath = Path.GetFullPath(NormalizeDbPath(dbPath));
+        return TryResolveProjectLocalRoot(fullDbPath, dbPath, dbPathExplicit, indexedProjectRoot);
+    }
+
     /// <summary>
     /// Normalize a file query path against the indexed project root when the DB exposes one.
     /// If the caller supplied an absolute path under the indexed root, convert it to the

src/CodeIndex/Cli/WorkspaceMetadataEnricher.cs

@@ -194,7 +194,11 @@ private static RuntimeWorkspaceMetadata ResolveRuntime(
         bool projectRootSnapshotCaptured = false)
     {
         var projectRoot = projectRootSnapshotCaptured
-            ? capturedProjectRoot
+            ? DbPathResolver.ResolveProjectLocalRootForQuery(
+                    dbPath,
+                    dbPathExplicit,
+                    capturedProjectRoot)
+                ?? capturedProjectRoot
             : capturedProjectRoot ?? DbPathResolver.ResolveProjectRootForQuery(dbPath, dbPathExplicit);
         if (projectRoot == null)
             return new(null, null, null, null);