fix(db-load-git): normalize ConfigDir with Resolve-Path for reliable Ext/ path matching

FullName returns canonical Windows paths, but ConfigDir could have
forward slashes. Resolve-Path ensures consistent format so the
Replace() in Ext/ recursion always matches.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.claude/skills/db-load-git/scripts/db-load-git.ps1

@@ -165,7 +165,8 @@ try {
 
 # --- Get changed files from Git ---
 $changedFiles = @()
-$configDirNormalized = $ConfigDir.TrimEnd('\', '/').Replace('\', '/')
+$ConfigDir = (Resolve-Path $ConfigDir).Path.TrimEnd('\')
+$configDirNormalized = $ConfigDir.Replace('\', '/')
 
 Push-Location $ConfigDir
 try {