AI Agents Operations — Auto-Fix, DAST FP Review & Chat UX

Expanded the AI Agents operations across the platform.

• Introduced Auto-Fix, which can be triggered directly from vulnerability context.
• Expanded False Positive review support to DAST issues, increasing consistency across scanning sources.
• Improved AI Agent chat usability with Start new conversation to reset context and return to quick actions.
• Multiple stability and quality improvements across agent execution and recurring runs.