Method buildChatSystemPrompt

packages/core/src/core/subagent.ts:654–681

* Builds the system prompt for the chat based on the provided configurations. * It templates the base system prompt and appends instructions for emitting * variables if an `OutputConfig` is provided. * @param {ContextState} context - The context for templating. * @returns {string} The co

(context: ContextState)

   * @returns {string} The complete system prompt.
   */
  private buildChatSystemPrompt(context: ContextState): string {
    if (!this.promptConfig.systemPrompt) {
      // This should ideally be caught in createChatObject, but serves as a safeguard.
      return '';
    }

    let finalPrompt = templateString(this.promptConfig.systemPrompt, context);

    // Add instructions for emitting variables if needed.
    if (this.outputConfig && this.outputConfig.outputs) {
      let outputInstructions =
        '\n\nAfter you have achieved all other goals, you MUST emit the required output variables. For each expected output, make one final call to the `self.emitvalue` tool.';

      for (const [key, value] of Object.entries(this.outputConfig.outputs)) {
        outputInstructions += `\n* Use 'self.emitvalue' to emit the '${key}' key, with a value described as: '${value}'`;
      }
      finalPrompt += outputInstructions;
    }

    // Add general non-interactive instructions.
    finalPrompt += `

Important Rules:
 * You are running in a non-interactive mode. You CANNOT ask the user for input or clarification. You must proceed with the information you have.
 * Once you believe all goals have been met and all required outputs have been emitted, stop calling tools.`;

    return finalPrompt;
  }
}