fix: restore templates database with 2,768 workflow templates (v2.30.2) (#502)

- Restored templates from git history (commit 03a4b07)
- Updated nodes schema with tool variant columns
- Database now contains 803 nodes and 2,768 templates
- Compatible with n8n 2.0.2

Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en

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

Co-authored-by: Romuald Członkowski <romualdczlonkowski@MacBook-Pro-Romuald.local>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.30.2] - 2025-12-21
+
+### Fixed
+
+**Restored Template Database**
+
+Fixed missing templates in the database by restoring 2,768 workflow templates from git history while preserving compatibility with latest n8n 2.0.2 node definitions.
+
+**Key Changes:**
+- Restored templates table with 2,768 curated workflow templates
+- Updated nodes table schema to include `is_tool_variant`, `has_tool_variant`, and `tool_variant_of` columns
+- Database now contains 803 nodes (updated for n8n 2.0.2) and 2,768 templates
+
 ## [2.30.1] - 2025-12-17
 
 ### Added

package.json

@@ -1,6 +1,6 @@
 {
   "name": "n8n-mcp",
-  "version": "2.30.1",
+  "version": "2.30.2",
   "description": "Integration between n8n workflow automation and Model Context Protocol (MCP)",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",