Function buildChatMessage

src/windsurf.js:115–142

(content, source, conversationId)

// ─── ChatMessage (for RawGetChatMessage) ───────────────────

function buildChatMessage(content, source, conversationId) {
  const parts = [
    writeStringField(1, randomUUID()),                     // message_id
    writeVarintField(2, source),                           // source enum
    writeMessageField(3, encodeTimestamp()),                // timestamp
    writeStringField(4, conversationId),                   // conversation_id
  ];

  if (source === SOURCE.ASSISTANT) {
    // Assistant goes in ChatMessage.action (field 6), not .intent (field 5).
    // Proto: ChatMessageAction { ChatMessageActionGeneric generic = 1; }
    //        ChatMessageActionGeneric { string text = 1; }
    // Previous code wrote a raw string into field 5 which happens to share
    // wire type (length-delimited) with the expected message, so short
    // replies slipped through parsing by coincidence — real multi-turn
    // conversations tripped the LS with "invalid wire-format data".
    const actionGeneric = writeStringField(1, content);    // ChatMessageActionGeneric.text
    const action = writeMessageField(1, actionGeneric);    // ChatMessageAction.generic
    parts.push(writeMessageField(6, action));
  } else {
    // User/System/Tool use ChatMessageIntent { IntentGeneric { text } }
    const intentGeneric = writeStringField(1, content);    // IntentGeneric.text
    const intent = writeMessageField(1, intentGeneric);    // ChatMessageIntent.generic
    parts.push(writeMessageField(5, intent));
  }

  return Buffer.concat(parts);
}

// ─── RawGetChatMessageRequest ──────────────────────────────