chore: prepare v0.4.0 release

- Mark mcp-external-validation as non-publishable
- Update publish script for v0.4.0
- Add comprehensive auth framework and external validation tools

Author: avrabe

mcp-external-validation/Cargo.toml

@@ -12,6 +12,7 @@ readme = "README.md"
 keywords = ["mcp", "validation", "testing", "compliance", "protocol"]
 categories = ["development-tools::testing", "web-programming"]
 rust-version.workspace = true
+publish = false
 
 [dependencies]
 # Core framework dependencies

scripts/publish-direct.sh

@@ -4,7 +4,7 @@
 
 set -e
 
-echo "🚀 Publishing PulseEngine MCP Framework v0.3.1"
+echo "🚀 Publishing PulseEngine MCP Framework v0.4.0"
 echo "============================================="
 echo ""
 
@@ -114,4 +114,4 @@ echo "  https://crates.io/crates/pulseengine-mcp-server"
 echo ""
 echo "Next steps:"
 echo "1. Push to GitHub: git push -u origin main"
-echo "2. Create a GitHub release with tag v0.3.1"
+echo "2. Create a GitHub release with tag v0.4.0"