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fix: strip GPT-oSS thinking content from response chunks
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Rodrigo Rodriguez (Pragmatismo) 2026-04-14 19:57:13 -03:00
parent fc68b21252
commit 01d4f47a93
1 changed files with 18 additions and 40 deletions
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58
src/core/bot/mod.rs
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@ -882,49 +882,27 @@ impl BotOrchestrator {
// Add chunk to tool_call_buffer and try to parse
// Tool calls arrive as JSON that can span multiple chunks
// Extract and send any thinking signals embedded in the chunk
// Thinking signals can appear anywhere in the chunk (start, middle, or end)
// Support both formats: {"content":"...","type":"thinking"} and {"type":"thinking","content":"..."}
let thinking_regex = regex::Regex::new(r#"\{"content":"([^"]*)"\s*,\s*"type":"thinking"\}|\{"type":"thinking"\s*,\s*"content":"([^"]*)"\}|\{"type":"thinking_clear"\}"#).unwrap();
let mut cleaned_chunk = chunk.clone();
let mut found_thinking = false;
// Strip GPT-oSS thinking content from chunks
// Thinking content appears as JSON objects: {"content":"...","type":"thinking"}
// We remove these completely as they are internal reasoning not meant for display
let thinking_regex = regex::Regex::new(r#"\{"content":"((?:[^"\\]|\\.)*?)"\s*,\s*"type":"thinking"\}|\{"type":"thinking"\s*,\s*"content":"((?:[^"\\]|\\.)*?)"\}|\{"type":"thinking_clear"\}"#).unwrap();
let mut cleaned_chunk = chunk.clone();
let mut found_thinking = false;
for mat in thinking_regex.find_iter(&chunk) {
found_thinking = true;
let thinking_signal = mat.as_str();
for mat in thinking_regex.find_iter(&chunk) {
found_thinking = true;
let thinking_signal = mat.as_str();
// Remove the thinking signal from the cleaned chunk
cleaned_chunk = cleaned_chunk.replace(thinking_signal, "");
}
// Send the thinking signal to the frontend
let response = BotResponse {
bot_id: message.bot_id.clone(),
user_id: message.user_id.clone(),
session_id: message.session_id.clone(),
channel: message.channel.clone(),
content: thinking_signal.to_string(),
message_type: MessageType::BOT_RESPONSE,
stream_token: None,
is_complete: false,
suggestions: Vec::new(),
context_name: None,
context_length: 0,
context_max_length: 0,
};
// If the chunk contained only thinking signals, skip to next iteration
if found_thinking && cleaned_chunk.trim().is_empty() {
continue;
}
if response_tx.send(response).await.is_err() {
warn!("Response channel closed during thinking event");
break;
}
// Remove the thinking signal from the cleaned chunk
cleaned_chunk = cleaned_chunk.replace(thinking_signal, "");
}
// If the chunk contained only thinking signals, skip to next iteration
if found_thinking && cleaned_chunk.trim().is_empty() {
continue;
}
// Use the cleaned chunk for further processing
let chunk = cleaned_chunk;
// Use the cleaned chunk for further processing
let chunk = cleaned_chunk;
// Check if this chunk contains a tool call start
// We only accumulate if it strongly resembles a tool call to avoid swallowing regular JSON/text