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Manual compaction commands give you direct control over your conversation history.

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Start Here

Start Here allows you to restart your conversation from a specific point, using that message as the entire conversation history. This is available on:
  • Plans — Click ”🎯 Start Here” on any plan to use it as your conversation starting point
  • Final Assistant messages — Click ”🎯 Start Here” on any completed assistant response
Start Here This is a form of “opportunistic compaction” — the content is already well-structured, so the operation is instant. You can review the new starting point before the old context is permanently removed, making this the only reversible compaction approach.

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Compact (AI Summarization)

Compress conversation history using AI summarization. Replaces the conversation with a compact summary that preserves context.

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Syntax

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Options

  • -t <tokens> — Maximum output tokens for the summary (default: ~2000 words)
  • -m <model> — Model to use for compaction (sticky preference). Supports abbreviations like haiku, sonnet, or full model strings

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Examples

Basic compaction:
Limit summary size:
Choose compaction model:
Use Haiku for faster, lower-cost compaction. This becomes your default until changed. Auto-continue with custom message:
After compaction completes, automatically sends “Continue implementing the auth system” as a follow-up message. Multiline continue message:
Continue messages can span multiple lines for more detailed instructions. Combine all options:
Combine custom model, token limit, and auto-continue message.

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Notes

  • Model preference persists globally across workspaces
  • Uses the specified model (or workspace model by default) to summarize conversation history
  • Preserves actionable context and specific details
  • Irreversible — original messages are replaced
  • Continue message is sent once after compaction completes (not persisted)

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Clear All History

Remove all messages from conversation history.

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Syntax

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Notes

  • Instant deletion of all messages
  • Irreversible — all history is permanently removed
  • Use when you want to start a completely new conversation