forked from kent/consciousness
47 lines
1.6 KiB
Rust
47 lines
1.6 KiB
Rust
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// generate.rs — Continuation generation for scoring / comparison flows.
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//
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// Shared by the finetune pipeline (learn.rs) and the compare screen:
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// given a context prefix and a skip predicate, generate what the model
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// would say as the next assistant turn.
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use crate::agent::api::{ApiClient, SamplingParams, StreamToken};
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use crate::agent::context::{AstNode, ContextState};
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use crate::agent::tokenizer;
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/// Generate an assistant continuation from the context up to `entry_idx`,
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/// with `skip` applied to identity + conversation entries during prompt
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/// assembly. The model is whichever `client` points at — the default
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/// runtime client for memory-ablation alternates, a test-model client
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/// for F7 comparison.
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pub async fn gen_continuation<F>(
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context: &ContextState,
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entry_idx: usize,
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skip: F,
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client: &ApiClient,
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) -> anyhow::Result<String>
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where F: FnMut(&AstNode) -> bool,
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{
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let (mut prompt, images, _) = context.wire_prompt(0..entry_idx, skip);
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prompt.push(tokenizer::IM_START);
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prompt.extend(tokenizer::encode("assistant\n"));
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let sampling = SamplingParams {
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temperature: 0.6,
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top_p: 0.95,
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top_k: 20,
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};
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let (mut rx, _guard) = client.stream_completion_mm(&prompt, &images, sampling, Some(-5));
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let mut tokens = Vec::new();
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while let Some(tok) = rx.recv().await {
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match tok {
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StreamToken::Token(id) => tokens.push(id),
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StreamToken::Done { .. } => break,
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StreamToken::Error(e) => anyhow::bail!("generation error: {}", e),
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}
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}
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Ok(tokenizer::decode(&tokens))
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}
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