Release v0.3.0

What's Changed

• Reduce README merge conflicts in namespace section by @RajaMuhammadAwais in #9
• Resolve merge-path conflicts with ai_pentest compatibility shims by @RajaMuhammadAwais in #10
• Add iterative self-improvement loop for vulnerability analysis by @RajaMuhammadAwais in #11
• Stabilize CI install and release workflow triggers by @RajaMuhammadAwais in #13
• Add comprehensive agent tests and fix MemoryAgent save-path edge case by @RajaMuhammadAwais in #15
• Remove legacy compatibility namespace and align distro metadata/docs to cortexsec by @RajaMuhammadAwais in #16

Full Changelog: v0.2.0...v0.3.0