Multiple approval prompts when parallel agents hit rate limit

Bug Description

When running multiple parallel agents (using Task tool with run_in_background: true) and hitting the API rate limit, the user is prompted to approve/continue multiple times - once for each agent that hit the limit.

Steps to Reproduce

1. Launch 20+ parallel extraction agents using the Task tool
2. Wait for them to process and hit the rate limit
3. Each agent that hits the limit triggers a separate approval prompt

Expected Behavior

A single approval prompt should be shown when rate limit is hit, rather than requiring the user to approve N times for N agents.

Actual Behavior

User must click through multiple approval dialogs (one per agent that hit the limit). In my case with ~30 parallel agents, this resulted in needing to approve many times.

Environment

• Claude Code CLI
• Multiple background agents running in parallel
• Rate limit hit during parallel execution

Suggested Fix

Consolidate rate limit approval prompts when multiple agents hit the limit simultaneously, or queue the agents to resume after a single approval.

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