🤖 fix: add compact retry shortcut for stream errors

[ammar-agent]

Summary

• add a message-list context for workspace/latest-message metadata
• centralize compaction retry logic in a shared hook + event handler
• wire the stream error action and retry barrier to the shared flow
• allow integration tests to accept multiple compact retry buttons
• suppress zizmor secrets-inherit warnings for nightly terminal bench

Why

• reduce prop drilling and keep compaction retries consistent across entry points
• keep CI signal focused on actionable workflow security findings

Testing

• make static-check

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