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Advanced chat: streaming cancel, long-chat compression, AI memory
Last updated June 10, 2026 · 4 min read
Subtle behaviours that come up after a while of using the Coach — streaming cancel, long-chat compression, cross-book memory. Here's how they work.
1 · Cancel a stream
AI replies stream (typed one chunk at a time) — you can stop mid-stream.
| How | When |
|---|---|
| Click the red ■ (stop) button in the input box | The AI is writing and you see it's going the wrong way |
| Start typing a new message | Auto-cancels the current stream |
While the AI is streaming, a red square "■" stop button appears in the bottom-right of the chat input box — click it to cancel the current reply.
After cancel:
- What's already produced stays (AI wrote 3 paragraphs, you stopped at 4 → 3 stay)
- No charge for the remaining tokens (cancelled tokens don't count)
2 · Long-chat auto-compression
When a chat gets long, Slima automatically compresses the older messages into a summary. This is decided server-side — there's no fixed message count or token limit you need to watch.
- Early turns → condensed into a "chat summary" card
- The summary preserves decisions, conclusions, context so the conversation can keep going
Trigger notice
When compaction happens, the panel shows a banner titled "Conversation history compacted" with the text "Due to conversation length, history has been compacted (N → M messages) to continue." (N and M are the actual message counts). Click "OK" (or the X) to dismiss it.
Compaction is automatic — there is no manual "summarise" button, and you can't pin individual messages to exempt them from compaction.
3 · Book vs cross-book memory
Default: the Coach's memory is per-book:
- You told the Coach "the protagonist loves the sea" in Book A → Coach in Book B doesn't know
- Privacy / clean context
To carry memory beyond a single book — your preferences and writing style — use account-level AI Memory (below) instead.
AI Memory (account-level)
Even more general: AI Memory crosses chats too — your preferences, style, recurring phrasing. Configured in Account → AI Memory.
See: AI Memory: the AI's impression of you
4 · Rate limits / reasoning timeouts
Occasionally the AI service is busy and you'll see: "AI service is busy, will automatically retry in N seconds…" (N is set by the system).
In these cases:
- Nothing is lost (your prompt remains)
- Slima retries automatically — you don't need to do anything. If repeated retries fail, it shows "Multiple retries failed, please try again later."
Related
Open the app and do this with your own book. Free to start, no credit card.