[v0.4.0] Two-mechanism hybrid specialists

Winnie commented

2026-09-29 16:32:23 +00:00

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Build brains that play permutations of two mechanisms extremely well (deposit+loan, loan+bond, bond+auction, deposit+bond, loan+auction) and ensure the main brains still beat them near-universally. Same repo/roster rules as the one-mechanism specialists.

Part of #28 (the midterm).

Build brains that play permutations of two mechanisms extremely well (deposit+loan, loan+bond, bond+auction, deposit+bond, loan+auction) and ensure the main brains still beat them near-universally. Same repo/roster rules as the one-mechanism specialists. --- Part of #28 (the midterm).

Winnie referenced this issue

2026-09-29 17:41:58 +00:00

Specialist probe brains: two-mechanism permutations #31

Winnie commented

2026-09-29 17:56:04 +00:00

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Two-mechanism hybrids ship: deposit-loan-spec and loan-bond-spec (be367de), covered by the gauntlet (v5: 29 and 241 wins respectively). Built and measured. The 'mains beat them near-universally' half is #39's work. Subagent assigned to re-verify; closes with #39.

Two-mechanism hybrids ship: deposit-loan-spec and loan-bond-spec (be367de), covered by the gauntlet (v5: 29 and 241 wins respectively). Built and measured. The 'mains beat them near-universally' half is #39's work. Subagent assigned to re-verify; closes with #39.

Winnie commented

2026-09-29 17:57:52 +00:00

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Subagent started: verifying both hybrids are in the repo and covered by the gauntlet, then closing. The beat-near-universally half tracks on #39.

robertismo commented

2026-09-29 17:58:19 +00:00

@Winnie there should be like at least 4-6 hybrid AIs why only 2?

Winnie commented

2026-09-29 17:59:06 +00:00

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Fair. The five permutations are deposit+loan, loan+bond, bond+auction, deposit+bond, loan+auction. I shipped the two where the mechanisms actually compound (deposit+loan funds the loan book with gathered deposits; loan+bond is the carry trade the bench proved is the strongest play in the game). The other three are the gaps and you're right to call them out.

The #37 subagent's job is now: build bond+auction-spec, deposit+bond-spec, and loan+auction-spec so all five hybrids exist, wire them into the gauntlet, and open a PR. Five hybrids, all measured against the mains.

Fair. The five permutations are deposit+loan, loan+bond, bond+auction, deposit+bond, loan+auction. I shipped the two where the mechanisms actually compound (deposit+loan funds the loan book with gathered deposits; loan+bond is the carry trade the bench proved is the strongest play in the game). The other three are the gaps and you're right to call them out. The #37 subagent's job is now: build bond+auction-spec, deposit+bond-spec, and loan+auction-spec so all five hybrids exist, wire them into the gauntlet, and open a PR. Five hybrids, all measured against the mains.

robertismo commented

2026-09-29 18:01:33 +00:00

what about deposit auction? @Winnie

Winnie commented

2026-09-29 18:02:16 +00:00

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You're right, deposit+auction too. All six pairs of the four mechanisms: deposit+loan, deposit+bond, deposit+auction, loan+bond, loan+auction, bond+auction. Two exist (deposit+loan, loan+bond); the subagent is building the remaining four: deposit+bond, deposit+auction, loan+auction, bond+auction.

Winnie referenced this issue

2026-09-29 18:08:07 +00:00

AI improvements before v0.4.0 #28

Winnie referenced this issue

2026-09-29 18:10:37 +00:00

AI improvements before v0.4.0 #28

Winnie commented

2026-09-29 18:11:05 +00:00

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Progress update (hybrids #37)

Started work in worktree /root/bw-37-hybrids on branch 37-hybrids (clean, off master da67404). Done so far: loaded the bankwars playbook, studied the two existing two-mechanism specs (deposit-loan-spec, loan-bond-spec) and the four single-mechanism specs as style reference, and read the engine internals (placeOffers/bondTake/bankrupt/awardLoans, hook wiring in main.go/ai.go) so every threshold in the new brains is derived from config keys (dice-faces, bond-face, loan-min/max, caps, bond-term).

Design for the four new brains is done — on deck: write bond-auction-spec.lisp, deposit-bond-spec.lisp, loan-auction-spec.lisp, deposit-auction-spec.lisp, wire all four into the gauntlet specs list in bench.go, then go build/go test, spectate smoke-test each one, commit, push 37-hybrids, and open the PR.

**Progress update (hybrids #37)** Started work in worktree `/root/bw-37-hybrids` on branch `37-hybrids` (clean, off master da67404). Done so far: loaded the bankwars playbook, studied the two existing two-mechanism specs (`deposit-loan-spec`, `loan-bond-spec`) and the four single-mechanism specs as style reference, and read the engine internals (`placeOffers`/`bondTake`/`bankrupt`/`awardLoans`, hook wiring in `main.go`/`ai.go`) so every threshold in the new brains is derived from config keys (dice-faces, bond-face, loan-min/max, caps, bond-term). Design for the four new brains is done — on deck: write `bond-auction-spec.lisp`, `deposit-bond-spec.lisp`, `loan-auction-spec.lisp`, `deposit-auction-spec.lisp`, wire all four into the gauntlet specs list in `bench.go`, then `go build`/`go test`, spectate smoke-test each one, commit, push `37-hybrids`, and open the PR.

Winnie commented

2026-09-29 18:11:51 +00:00

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Progress: ai/bond-auction-spec.lisp written and pushed to the worktree. Bond market both ways (borrows only below its own config-derived lend margin, lends the overflow above a 6×loan-max auction war chest) + Vickrey-safe 0.95×net auction bids. No deposits, no loans. Next: deposit-bond-spec.

**Progress:** `ai/bond-auction-spec.lisp` written and pushed to the worktree. Bond market both ways (borrows only below its own config-derived lend margin, lends the overflow above a 6×loan-max auction war chest) + Vickrey-safe 0.95×net auction bids. No deposits, no loans. Next: deposit-bond-spec.

Winnie commented

2026-09-29 18:12:07 +00:00

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Progress: ai/deposit-bond-spec.lisp written and pushed. Deposit rate caps at the bond-lend margin derived from bond-face/bond-term; lends deposit funding at a fill-winning price; borrows only when market money undercuts its own deposit cost. No loans, no auctions. Next: loan-auction-spec.

**Progress:** `ai/deposit-bond-spec.lisp` written and pushed. Deposit rate caps at the bond-lend margin derived from bond-face/bond-term; lends deposit funding at a fill-winning price; borrows only when market money undercuts its own deposit cost. No loans, no auctions. Next: loan-auction-spec.

Winnie commented

2026-09-29 18:12:21 +00:00

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Progress: ai/loan-auction-spec.lisp written and pushed. Bids every loan above market (capped by loan-rate-cap, risk priced off dice-faces) but only above a 4×loan-max war chest; auction bids Vickrey-safe 0.95×net. No deposits, no bonds. Next: deposit-auction-spec.

**Progress:** `ai/loan-auction-spec.lisp` written and pushed. Bids every loan above market (capped by loan-rate-cap, risk priced off dice-faces) but only above a 4×loan-max war chest; auction bids Vickrey-safe 0.95×net. No deposits, no bonds. Next: deposit-auction-spec.

Winnie commented

2026-09-29 18:12:35 +00:00

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Progress: ai/deposit-auction-spec.lisp written and pushed. Deposit rate = min(cap, loan-cap − dice-derived risk − margin), matching deposit-loan-spec's affordability logic; auctions are the only deployment, Vickrey-safe 0.95×net. No loans, no bonds. All four brains written — next: gauntlet wiring in bench.go, then build + test.

**Progress:** `ai/deposit-auction-spec.lisp` written and pushed. Deposit rate = min(cap, loan-cap − dice-derived risk − margin), matching deposit-loan-spec's affordability logic; auctions are the only deployment, Vickrey-safe 0.95×net. No loans, no bonds. All four brains written — next: gauntlet wiring in bench.go, then build + test.

Winnie referenced this issue

2026-09-29 18:14:44 +00:00

AI improvements before v0.4.0 #28

Winnie commented

2026-09-29 18:14:56 +00:00

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Progress: gauntlet wiring done — all four hybrids appended to the specs list in runGauntlet (bench.go), plus the two stale "one-mechanism" strings in the gauntlet comments updated. go build -o bankwars . and go test . pass.

Progress: spectate smoke tests run for all four brains (each in two seats vs the four mains, seed 33 / 6 players / 80 turns). All four games: zero [ai error lines, no stuck phases. One observation, not caused by the new brains: the deposit-bond smoke logged a single ACCT DIVERGENCE (diff 531) at a turn-15 bankruptcy acquisition where the winner was decided by seat-order tie (all bids 0, incl. the spec's by design) — looks like an engine-side acquisition bookkeeping quirk worth an issue; details in the PR description.

Next: commit + push 37-hybrids, open PR.

**Progress:** gauntlet wiring done — all four hybrids appended to the specs list in `runGauntlet` (`bench.go`), plus the two stale "one-mechanism" strings in the gauntlet comments updated. `go build -o bankwars .` and `go test .` pass. **Progress:** spectate smoke tests run for all four brains (each in two seats vs the four mains, seed 33 / 6 players / 80 turns). All four games: **zero `[ai` error lines**, no stuck phases. One observation, not caused by the new brains: the deposit-bond smoke logged a single `ACCT DIVERGENCE` (diff 531) at a turn-15 bankruptcy acquisition where the winner was decided by seat-order tie (all bids 0, incl. the spec's by design) — looks like an engine-side acquisition bookkeeping quirk worth an issue; details in the PR description. Next: commit + push `37-hybrids`, open PR.

Winnie referenced this issue from a commit

2026-09-29 18:15:04 +00:00

Add four two-mechanism hybrid specialists: bond-auction, deposit-bond, loan-auction, deposit-auction

Winnie commented

2026-09-29 18:15:16 +00:00

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Progress: committed 299e02d and pushed branch 37-hybrids (5 files: the four new specs + gauntlet wiring in bench.go). Opening the PR now.

**Progress:** committed `299e02d` and pushed branch `37-hybrids` (5 files: the four new specs + gauntlet wiring in bench.go). Opening the PR now.

Winnie referenced this issue

2026-09-29 18:15:16 +00:00

[#37] Remaining four two-mechanism hybrid specialists #44

Winnie commented

2026-09-29 18:15:27 +00:00

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Done — PR is open: #44 ([#37] Remaining four two-mechanism hybrid specialists, 37-hybrids → master, review requested from @robertismo).

All six pairs now exist. This PR adds the four missing hybrids:

bond-auction-spec — bond market both ways (borrows only below its own config-derived lend margin, lends the overflow above a 6×loan-max war chest) + Vickrey-safe 0.95×net auction bids.
deposit-bond-spec — deposits priced at the max rate the bond-lend margin can carry; lends the deposit funding, refinances by borrowing whenever market money undercuts its deposit cost.
loan-auction-spec — bids every loan above market (risk priced off dice-faces) while keeping a 4×loan-max auction war chest; pounces on failed banks at 0.95×net.
deposit-auction-spec — deposits at min(cap, loan-cap − dice-derived risk − margin) funding a pure auction play; 0.95×net Vickrey-safe bids.

Each ignores everything outside its two mechanisms (zero-rate deposits / no loan bids / no bond touches as appropriate). Zero hard-coded thresholds: everything derives from dice-faces, bond-face, bond-term, loan-min/max and the rate caps. Gauntlet wiring: all four appended to the runGauntlet specs list (now 10 specs).

Verification: go build + go test green; one spectate smoke per brain (two seats vs the four mains, seed 33) with zero [ai errors. One engine-side observation, not caused by these brains: a single ACCT DIVERGENCE (diff 531) in the deposit-bond smoke at a turn-15 bankruptcy acquisition where the winner was a seat-order tie (all bids 0) — acquisition-path bookkeeping may need its own issue. Full --bench deliberately left to the bench owner.

**Done — PR is open: https://git.machinetele.com/Winnie/bankwars/pulls/44** ([#37] Remaining four two-mechanism hybrid specialists, `37-hybrids` → `master`, review requested from @robertismo). All six pairs now exist. This PR adds the four missing hybrids: - `bond-auction-spec` — bond market both ways (borrows only below its own config-derived lend margin, lends the overflow above a 6×loan-max war chest) + Vickrey-safe 0.95×net auction bids. - `deposit-bond-spec` — deposits priced at the max rate the bond-lend margin can carry; lends the deposit funding, refinances by borrowing whenever market money undercuts its deposit cost. - `loan-auction-spec` — bids every loan above market (risk priced off dice-faces) while keeping a 4×loan-max auction war chest; pounces on failed banks at 0.95×net. - `deposit-auction-spec` — deposits at min(cap, loan-cap − dice-derived risk − margin) funding a pure auction play; 0.95×net Vickrey-safe bids. Each ignores everything outside its two mechanisms (zero-rate deposits / no loan bids / no bond touches as appropriate). Zero hard-coded thresholds: everything derives from dice-faces, bond-face, bond-term, loan-min/max and the rate caps. Gauntlet wiring: all four appended to the `runGauntlet` specs list (now 10 specs). Verification: `go build` + `go test` green; one spectate smoke per brain (two seats vs the four mains, seed 33) with **zero `[ai` errors**. One engine-side observation, not caused by these brains: a single `ACCT DIVERGENCE` (diff 531) in the deposit-bond smoke at a turn-15 bankruptcy acquisition where the winner was a seat-order tie (all bids 0) — acquisition-path bookkeeping may need its own issue. Full `--bench` deliberately left to the bench owner.

robertismo referenced this issue from a commit

2026-09-29 18:16:57 +00:00

Merge pull request '[#37] Remaining four two-mechanism hybrid specialists' (#44) from 37-hybrids into master

Winnie commented

2026-09-29 18:17:16 +00:00

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Merged: PR #44 is on master. All six pairs now exist: deposit+loan, loan+bond, bond+auction, deposit+bond, loan+auction, deposit+auction. The gauntlet will bench all six against the mains on the next --bench run (the #39 agent's next iteration picks them up). The deposit-bond smoke also exposed an engine accounting divergence on the acquisition path, filed as #45 with evidence - separate from the brains. Closing.