docs: update scripts README with package metadata tools

- Added documentation for generate-package-metadata.js
- Added documentation for validate-package-metadata.js
- Organized scripts README with clear sections
- Added usage examples and related documentation links

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

scripts/README.md

@@ -4,7 +4,98 @@ This directory contains utility scripts for the MetaBuilder project.
 
 ## Scripts
 
-### `triage-duplicate-issues.sh`
+### Package Metadata Management
+
+#### `generate-package-metadata.js`
+
+**Purpose:** Automatically generates `seed/metadata.json` files for all packages that don't have them.
+
+**Features:**
+- 🔍 Scans all packages in `/packages/` directory
+- 📁 Creates `seed/` directories where missing
+- 🤖 Generates metadata with intelligent defaults:
+  - Converts package_id to "Package Name" format
+  - Auto-categorizes based on package name patterns (ui, editor, management, etc.)
+  - Sets standard fields (version 0.1.0, author, etc.)
+- ⏭️ Skips packages that already have metadata
+- 📊 Reports detailed progress and summary
+
+**Usage:**
+```bash
+node scripts/generate-package-metadata.js
+```
+
+**Example output:**
+```
+🔍 Scanning packages directory...
+📦 Found 51 packages
+
+⏭️  admin_dialog: metadata.json already exists
+📁 arcade_lobby: created seed/ directory
+✅ arcade_lobby: created metadata.json
+...
+
+============================================================
+📊 Summary:
+   ✅ Created: 43
+   ⏭️  Skipped: 8
+   ❌ Errors: 0
+   📦 Total: 51
+============================================================
+```
+
+**Related Documentation:**
+- [MVP Package Metadata Migration](../docs/MVP_PACKAGE_METADATA_MIGRATION.md)
+- [Package Metadata Schema](../schemas/package-schemas/metadata_schema.json)
+
+---
+
+#### `validate-package-metadata.js`
+
+**Purpose:** Validates all package metadata files against schema requirements.
+
+**Features:**
+- ✅ Validates required fields (packageId, name, version, description)
+- 🔤 Checks packageId format (snake_case/kebab-case)
+- 📋 Validates version format (semver)
+- 🔍 Ensures packageId matches directory name
+- 🎯 Verifies correct field types
+- 🛡️ Validates JSON syntax
+
+**Usage:**
+```bash
+node scripts/validate-package-metadata.js
+```
+
+**Example output:**
+```
+🔍 Validating package metadata files...
+
+✅ admin_dialog: Valid
+✅ arcade_lobby: Valid
+✅ dashboard: Valid
+...
+
+============================================================
+📊 Validation Summary:
+   ✅ Valid: 51
+   ❌ Invalid: 0
+   🚫 Missing: 0
+   📦 Total: 51
+============================================================
+
+✅ All metadata files are valid!
+```
+
+**Related Documentation:**
+- [MVP Package Metadata Migration](../docs/MVP_PACKAGE_METADATA_MIGRATION.md)
+- [Package Metadata Schema](../schemas/package-schemas/metadata_schema.json)
+
+---
+
+### GitHub Issue Management
+
+#### `triage-duplicate-issues.sh`
 
 **Purpose:** Automatically finds and closes duplicate GitHub issues while keeping the most recent one open.
 
@@ -63,7 +154,9 @@ export SEARCH_TITLE="Your custom issue title"
 
 ---
 
-### `test-triage-logic.sh`
+### Testing Scripts
+
+#### `test-triage-logic.sh`
 
 **Purpose:** Comprehensive test suite for the triage script logic.
 
@@ -99,7 +192,9 @@ Test 1: Multiple duplicate issues (should close all except most recent)
 
 ---
 
-### `generate_mod.py`
+### Other Utilities
+
+#### `generate_mod.py`
 
 **Purpose:** Python script for generating module files.