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Stress-test the negotiation position before supplier renewals

For: Category manager preparing renewal negotiations across a whole supplier category

Pattern: Adversarial reviewNeeds live modelsDesigned for 6 to 200 agents
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The pain today

Negotiation briefs are built from memory and the supplier's own account review. Weak arguments, such as a penalty never invoked or a volume commitment we missed ourselves, are discovered across the table.

The ask

“I attached the contracts, delivery and quality records, our claims history and the draft negotiation briefs for the suppliers up for renewal. For each supplier, test every argument in our brief the way their account manager would, and tell me which hold up and what evidence backs them.”

Plain words, as you would say it to a colleague. Edit it to fit your case before you send it.

What you attach or connect

  • Draft negotiation brief per supplier
  • Current contracts and amendments
  • Delivery, quality and claims records
  • Volume and forecast history against commitments
  • Correspondence on past disputes and waivers

The unit of work

One worker task per one negotiation argument for one supplier.

Why a swarm fits

Each argument rests on a narrow slice of one supplier's records, and a category has many suppliers with many arguments each. Building and attacking an argument are separate jobs that gain from different models.

Not for

One renewal with a short brief: a single strong model asked to play the supplier is enough and costs less.

The decision tree

5 typed decisions, each with an action for every answer

At fixed moments in a run, the engine puts one narrow question to a decision model. The decision model never writes text: it answers yes or no with a probability, picks from listed options, or gives a score, about a small slice of the material. The engine then does exactly what this tree says, which is what makes the run auditable. The thresholds are the template's design values, not measured results.

  1. Planner, while planning

    Split or keep serialYes or no, with a probability

    While planning

    Does this paragraph of the brief contain more than one argument that could be proven or defeated separately?

    Sees only: One paragraph of the draft negotiation brief

    Why: One argument per unit lets a weak point fall without taking a strong one with it.

    • Yes: 0.60 or higherthenSplit the work
    • Unsure: 0.40 up to 0.60thenKeep serial
    • No: below 0.40thenKeep serial

  2. After workers, the judge checks

    Evidence checkYes or no, with a probability

    After a worker answers

    Do the quoted clause and the delivery or quality record together show that the supplier missed a contractual commitment on the dates claimed?

    Sees only: The argument, the quoted clause and the quoted record lines

    Why: An argument the records do not carry is worse than no argument.

    • Yes: 0.85 or higherthenAccept
    • Unsure: 0.50 up to 0.85thenEscalate to a strong model
    • No: below 0.50thenReject and retry

  3. Evidence checkA choice among options

    After a worker answers

    What do the documents quoted by the supplier's side show about this argument?

    Sees only: The counter-argument's quoted emails or records and the clause's notice requirements

    Why: The attack must meet the same evidence standard as the case it attacks.

    • We waived it, gave late notice or caused itthenSkip this unit
    • Counter rests on assertion, no documentthenAccept
    • Records are incomplete either waythenMark unresolved

  4. Run control, between rounds

    Another round?Yes or no, with a probability

    Between rounds

    Did the last exchange produce a new document citation from either side, as opposed to restating earlier points?

    Sees only: The citations added in the last round for one argument

    Why: Ends a debate once it only repeats itself.

    • Yes: 0.60 or higherthenContinue
    • Unsure: 0.30 up to 0.60thenStop
    • No: below 0.30thenStop

  5. Accountable person, before anything is settled

    Person decidesYes or no, with a probability

    Before anything is reported as settled

    Does using this surviving argument imply a target, a concession or a walk-away point rather than only a documented fact?

    Sees only: The rewritten brief section for one supplier

    Why: Negotiation strategy stays with the category manager.

    Accountable: The category manager chooses targets, concessions and walk-away points; the swarm tests arguments and does not set strategy.

    • Yes: 0.40 or higherthenAsk a person
    • Unsure: 0.15 up to 0.40thenAsk a person
    • No: below 0.15thenAccept

The fleet: who does what

Model tiers by role, not brands: you choose the models. Strong reasoning models plan and reconcile, small fast models do the wide work, and the judge is a decision model from a different family, so it does not share the workers' blind spots.

  1. Planner

    A strong reasoning model splits each brief into single arguments and names the records that could prove or defeat each one.

    Decisions here:1. Split or keep serial

  2. Workers

    Small fast workers build the case for one argument; workers from another family argue the supplier's side from the same records.

    Designed for 6 to 200 agents, one worker task per one negotiation argument for one supplier. Each worker receives only its own unit.

  3. Judge, from a different model family

    A decision model from a third family rules whether the argument survives the attack on the cited evidence.

    Decisions here:2. Evidence check3. Evidence check

  4. Reconciler

    A strong reasoning model rewrites each brief around surviving arguments and lists the supplier's likely counter-claims.

    Decisions here:4. Another round?

  5. Accountable person

    The category manager chooses targets, concessions and walk-away points; the swarm tests arguments and does not set strategy.

    Decisions here:5. Person decides

Checked before anything is accepted

  • Every surviving argument cites the contract clause and the record that supports it
  • Waivers, late notices and our own breaches are searched for before an argument is kept
  • The attacking side must cite evidence too; rhetoric alone does not defeat a claim
  • Arguments that depend on missing records are marked unproven

What comes back

  • Arguments that hold per supplier, with evidence
  • Arguments to drop and why they fail
  • Counter-claims the supplier can raise against us
  • Records to obtain before the meeting

What to measure

  • Arguments withdrawn before the meeting rather than in it
  • Counter-claims raised by suppliers that the review had predicted
  • Preparation hours per renewal

Names of measures only. No result is claimed for this template.

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