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Influencing LLM Multi-Agent Dialogue via Policy-Parameterized Prompts

Paper: arXiv:2603.09890v1

Core Idea

This paper treats prompts as lightweight policy actions that can shape multi-agent dialogue without additional model training. It studies how parameterized prompts can influence dialogue behavior using interpretable indicators.

Why It Matters Here

Prompt policy is part of agent behavior, so it should be observable.

If prompt structure changes behavior, then a debugger should record the policy context around prompts, not only the raw output.

Key Takeaways For The Repo

1. Prompt policy should be tracked explicitly

For multi-agent systems, traces become much more useful when they capture:

  • which prompt template was used
  • which policy parameters were active
  • what state caused that policy choice
  • how the dialogue changed afterward

2. Multi-agent evaluation needs behavioral metrics

The paper uses dialogue indicators to assess changes in behavior. This suggests the repo could expose higher-level metrics such as:

  • responsiveness
  • repetition
  • evidence use
  • stance shift
  • escalation frequency

These metrics would help move the debugger beyond raw event browsing.

3. Agent-to-agent interaction needs its own observability model

A multi-agent trace is not just "more messages." It often needs:

  • speaker identity
  • policy context per turn
  • turn-level goals
  • cross-agent influence markers

Concrete Opportunities

  • add prompt-policy metadata to LLM request events
  • add multi-agent conversation views
  • add behavior metrics over a session
  • support comparison between two policy settings on similar runs

Caution

The paper is about influencing dialogue behavior, not debugging infrastructure. The useful lesson is that policy and prompt structure are observable control surfaces and should be represented as such.

Best Next Experiment

Extend LLMRequestEvent metadata with one explicit policy block:

  • prompt template ID
  • policy parameters
  • active role or speaker
  • state summary that caused the prompt choice