Merge PR #2297: Add PDF Tools and update AAA Metadata System

Resolved merge conflict with PR #2297 by integrating:
- PDF Tools - Advanced PDF Processing & OCR (new entry)
- AAA Metadata System (updated with enhanced description and metadata)
- HYPIR Image Restoration (preserved from main branch)

All entries use consistent spacing and JSON formatting.

custom-node-list.json

@@ -35059,13 +35059,39 @@
         },
         {
             "author": "EricRollei",
-            "title": "AAA_Metadata_System",
+            "title": "PDF Tools - Advanced PDF Processing & OCR",
+            "id": "pdf-tools",
+            "reference": "https://github.com/EricRollei/PDF-Tools",
+            "files": [
+                "https://github.com/EricRollei/PDF-Tools"
+            ],
+            "install_type": "git-clone",
+            "description": "Advanced PDF processing, OCR, Image and text parsing, smart image crop nodes for ComfyUI. Features include multi-language OCR (Surya, PaddleOCR VL), AI vision analysis (Florence-2, LayoutLMv3), advanced PDF extraction with quality assessment, spread detection for scanned books, and comprehensive layout analysis. Supports 90+ languages with multiple output formats.",
+            "tags": [
+                "PDF",
+                "OCR",
+                "document",
+                "vision",
+                "Florence-2",
+                "Surya",
+                "PaddleOCR",
+                "LayoutLMv3",
+                "multilingual",
+                "layout-analysis"
+            ],
+            "category": "Document Processing"
+        },
+        {
+            "author": "EricRollei",
+            "title": "AAA Metadata System",
+            "id": "aaa-metadata-system",
             "reference": "https://github.com/EricRollei/AAA_Metadata_System",
             "files": [
                 "https://github.com/EricRollei/AAA_Metadata_System"
             ],
             "install_type": "git-clone",
-            "description": "A comprehensive metadata management system for ComfyUI that enables storing, retrieving, and manipulating image metadata across multiple formats including embedded files, XMP sidecars, text files, and SQLite databases."
+            "description": "Advanced metadata management and multi-format image save system for ComfyUI. Save/load with metadata for PNG, JPEG, TIFF, PSD (with layers), SVG, and WebP. Features XMP/TXT/JSON sidecar files, embedded EXIF/XMP, MWG-RS regions for face metadata, workflow tracking, LoRA/embedding detection, runtime execution hooks, and Automatic1111 compatibility. Preserve layers, alpha channels, and complete provenance across all formats.",
+            "nodename_pattern": "^(MetadataAwareSaveImage|Multi_LoRA_Loader|LoadImageLayers)"
         },
         {
             "author": "EricRollei",