Analyze this WebPilot **suite** execution (multiple tests).

Suite: {{suite_name}}
Environment: {{environment}}
Pass rate: {{pass_rate}}% ({{passed}}/{{total}} passed)
Total steps: {{total_steps}}
Total LLM cost: ${{total_cost_usd}} USD
Total tokens: {{total_tokens}}

## Test results
{{test_results_table}}

Provide suite-level AI analysis: trends, shared risks, cost observations, and prioritized recommendations (under 500 words). Use markdown.