通过 DOM 提取优化将多代理成本降低 41%

• Browser tasks with high token/snapshot cost are identified from logs.
• A JSON schema for extracted DOM signals is defined.

1. Replace large snapshots with targeted browser.evaluate extraction of required fields.
2. Normalize extracted payloads and persist lightweight run metrics.
3. Build dashboard panels for token usage, failure rate, and runtime per workflow.
4. Iterate selectors/queries based on breakage alerts from UI changes.

• Over-optimized extraction may miss context needed for edge-case decisions.
• Reported 41% cost reduction is case-specific and should be benchmarked locally（需验证）.

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