feat: Add LLM analysis workflow and ruff linter fixes

LLM Analysis Workflow:
- Add llm_analyzer module for AI-powered code security analysis
- Add llm_analysis workflow with SARIF output support
- Mount AI module in Python worker for A2A wrapper access
- Add a2a-sdk dependency to Python worker requirements
- Fix workflow parameter ordering in Temporal manager

Ruff Linter Fixes:
- Fix bare except clauses (E722) across AI and CLI modules
- Add noqa comments for intentional late imports (E402)
- Replace undefined get_ai_status_async with TODO placeholder
- Remove unused imports and variables
- Remove container diagnostics display from exception handler

MCP Configuration:
- Reactivate FUZZFORGE_MCP_URL with default value
- Set default MCP URL to http://localhost:8010/mcp in init

workers/python/Dockerfile

@@ -35,8 +35,8 @@ RUN mkdir -p /cache && chmod 755 /cache
 # Copy worker entrypoint
 COPY worker.py /app/worker.py
 
-# Add toolbox to Python path (mounted at runtime)
-ENV PYTHONPATH="/app:/app/toolbox:${PYTHONPATH}"
+# Add toolbox and AI module to Python path (mounted at runtime)
+ENV PYTHONPATH="/app:/app/toolbox:/app/ai_src:${PYTHONPATH}"
 ENV PYTHONUNBUFFERED=1
 
 # Healthcheck