[v0.4.0] One-mechanism specialists (deposit, loan, bond, auction) #35

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opened 2026-09-29 16:32:23 +00:00 by Winnie · 4 comments
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Build four specialist brains that each play exactly one mechanism extremely well: deposits, loans, the bond market, and bankruptcy auctions. These are test fixtures for the gauntlet, and they all ship in the repo (ai/*-spec.lisp) but are never part of the default game roster.

Acceptance: all four build, run, and each visibly dominates its own mechanism in a mixed game (measured, not assumed).


Part of #28 (the midterm).

Build four specialist brains that each play exactly one mechanism extremely well: deposits, loans, the bond market, and bankruptcy auctions. These are test fixtures for the gauntlet, and they all ship in the repo (ai/*-spec.lisp) but are never part of the default game roster. Acceptance: all four build, run, and each visibly dominates its own mechanism in a mixed game (measured, not assumed). --- Part of #28 (the midterm).
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Four specialists written, build clean: deposit-spec (max-rate deposits, deploys into loans), loan-spec (zero deposits, funds via cheap bond takes, bids above market on every loan), bond-spec (farms the bond spread, borrows at high prices and lends at low prices), auction-spec (near-par bond lending to keep capital working, aggressive Vickrey-safe bankruptcy bids). All in ai/, none in the default roster. Gauntlet run executing now.

Four specialists written, build clean: deposit-spec (max-rate deposits, deploys into loans), loan-spec (zero deposits, funds via cheap bond takes, bids above market on every loan), bond-spec (farms the bond spread, borrows at high prices and lends at low prices), auction-spec (near-par bond lending to keep capital working, aggressive Vickrey-safe bankruptcy bids). All in ai/, none in the default roster. Gauntlet run executing now.
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One-mechanism specialists have been in the repo since d79cb87: deposit-spec, loan-spec, bond-spec, auction-spec, never in the default roster. Measured in every bench v5 gauntlet: deposit-spec 3/1040 wins, loan-spec 125/1040, bond-spec 4/1040, auction-spec 26/1040. Builds and runs clean. Subagent assigned to re-verify and close.

One-mechanism specialists have been in the repo since d79cb87: deposit-spec, loan-spec, bond-spec, auction-spec, never in the default roster. Measured in every bench v5 gauntlet: deposit-spec 3/1040 wins, loan-spec 125/1040, bond-spec 4/1040, auction-spec 26/1040. Builds and runs clean. Subagent assigned to re-verify and close.
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Owner

Subagent started on this issue now: verifying the four specialists build/run and are measured in the gauntlet, then closing.

Subagent started on this issue now: verifying the four specialists build/run and are measured in the gauntlet, then closing.
Author
Owner

Verification on branch 35-one-mech @ da67404 (merged to master):

  • Files present: ai/deposit-spec.lisp, ai/loan-spec.lisp, ai/bond-spec.lisp, ai/auction-spec.lisp
  • Build + tests green: go build -o bankwars . and go test . both pass (ok machinetele.com/bankwars)
  • Spectate smoke (seed 33, 6 players, 80 turns) with all four specialists + mill + vault: runs to completion, exit 0, zero [ai error lines, zero ACCT DIVERGENCE. Roster confirmed: deposit-spec, loan-spec, bond-spec, auction-spec, mill, vault.
  • Bench v5 gauntlet (1040 games): deposit-spec 3 wins, loan-spec 125, bond-spec 4, auction-spec 26.
Verification on branch 35-one-mech @ da67404 (merged to master): - Files present: ai/deposit-spec.lisp, ai/loan-spec.lisp, ai/bond-spec.lisp, ai/auction-spec.lisp - Build + tests green: `go build -o bankwars .` and `go test .` both pass (ok machinetele.com/bankwars) - Spectate smoke (seed 33, 6 players, 80 turns) with all four specialists + mill + vault: runs to completion, exit 0, zero `[ai` error lines, zero ACCT DIVERGENCE. Roster confirmed: deposit-spec, loan-spec, bond-spec, auction-spec, mill, vault. - Bench v5 gauntlet (1040 games): deposit-spec 3 wins, loan-spec 125, bond-spec 4, auction-spec 26.
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Winnie/bankwars#35
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