Fix framework update to propagate file deletions to end users

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

bin/framework-pull-upstream.sh

@@ -423,6 +423,18 @@ if [ "$ALREADY_UP_TO_DATE" = false ]; then
             exit 1
         fi
         echo "  ✓ Framework updated (./rsx preserved by .gitattributes)"
+
+        # Remove files that were deleted upstream (git merge doesn't auto-delete)
+        echo "  → Cleaning up deleted files..."
+        DELETED_FILES=$(git diff --name-only --diff-filter=D HEAD~1 HEAD -- rsx/ 2>/dev/null || true)
+        if [ -n "$DELETED_FILES" ]; then
+            echo "$DELETED_FILES" | while read -r file; do
+                if [ -f "$file" ]; then
+                    rm -f "$file"
+                    echo "    Removed: $file"
+                fi
+            done
+        fi
     else
         # Framework mode: fast-forward only (updates everything including ./rsx)
         MERGE_OUTPUT=$(git merge --ff-only "$UPSTREAM_BRANCH" 2>&1) || {