Files
core2026/tools/balance-lab/run.mjs
T

313 lines
13 KiB
JavaScript

import { createHash } from 'node:crypto';
import { execFileSync } from 'node:child_process';
import { mkdir, readFile, writeFile, readdir, open } from 'node:fs/promises';
import { fileURLToPath } from 'node:url';
import path from 'node:path';
import { parseArgs } from 'node:util';
import { DESIGN_VERSION, BUILDS, buildPlan, makePayload, observe, summarize } from './design.mjs';
import { FOLLOWUP_SUITES, buildFollowupPlan } from './followup.mjs';
import { economicTools, nationPlans, lifecycleProfiles, strategyPlans } from './economy.mjs';
const root = fileURLToPath(new URL('../../', import.meta.url));
const { values } = parseArgs({
options: {
suite: { type: 'string', default: 'units' },
samples: { type: 'string', default: '64' },
seed: { type: 'string', default: 'balance-2026-09-v1' },
out: { type: 'string' },
match: { type: 'string' },
plan: { type: 'boolean', default: false },
},
});
const samples = Number(values.samples);
if (!Number.isSafeInteger(samples) || samples < 2 || samples > 10000) throw new Error('--samples must be 2..10000');
if (
!['units', 'items', 'traits', 'nations', 'families', 'tiers', 'interactions', ...FOLLOWUP_SUITES].includes(
values.suite
)
)
throw new Error('Unknown suite');
const out = path.resolve(root, values.out ?? `test-results/balance-lab/${values.suite}`);
// Build before importing; a previous branch's dist must never become measurement evidence.
for (const pkg of ['common', 'logic']) {
execFileSync('pnpm', ['--filter', `@sammo-ts/${pkg}`, 'build'], { cwd: root, stdio: ['ignore', 'ignore', 'pipe'] });
}
const logic = await import('../../packages/logic/dist/index.js');
const common = await import('../../packages/common/dist/index.js');
const unitSet = logic.parseUnitSetDefinition(
JSON.parse(await readFile(path.join(root, 'resources/unitset/unitset_che.json'), 'utf8'))
);
const allItems = await logic.loadItemModules([...logic.ITEM_KEYS]);
const war = await logic.loadWarTraitModules([...logic.WAR_TRAIT_KEYS]);
const nations = await logic.loadNationTraitModules([...logic.NATION_TRAIT_KEYS]);
const { CommandResolver } = await import('../../packages/logic/dist/src/actions/turn/general/che_징병.js');
const { CommandResolver: VolunteerResolver } =
await import('../../packages/logic/dist/src/actions/turn/nation/che_의병모집.js');
const economics = economicTools(logic, CommandResolver, allItems, war, nations);
const spec = (entry) => ({
key: entry.key,
name: entry.name,
info: entry.info,
slot: entry.slot,
unique: entry.unique,
cost: entry.cost,
selection: entry.selection,
hooks: Object.keys(entry).filter(
(key) => typeof entry[key] === 'function' && !['getName', 'getInfo'].includes(key)
),
events: Object.keys(entry.eventHandlers ?? {}),
});
const catalog = {
scope: 'CHE unitset + all registered unique modules; scenario acquisition eligibility is NOT asserted',
units: unitSet.crewTypes.filter((unit) => unit.armType > 0),
items: allItems.filter((item) => item.unique).map(spec),
war: war.map(spec),
nations: nations.map(spec),
};
let cells = FOLLOWUP_SUITES.includes(values.suite)
? buildFollowupPlan(catalog, values.suite)
: buildPlan(catalog, values.suite);
if (values.match)
cells = cells.filter((cell) =>
`${cell.key}/${cell.build}/${cell.mode}/${cell.role}/${cell.budget ?? ''}`.includes(values.match)
);
if (!cells.length) throw new Error('No experiment cells selected');
async function hashTree(directories) {
const hash = createHash('sha256');
const walk = async (relative) => {
for (const entry of (await readdir(path.join(root, relative), { withFileTypes: true })).sort((a, b) =>
a.name.localeCompare(b.name)
)) {
const child = path.join(relative, entry.name);
if (entry.isDirectory()) await walk(child);
else if (entry.isFile()) hash.update(child).update(await readFile(path.join(root, child)));
}
};
for (const dir of directories) await walk(dir);
return hash.digest('hex');
}
const sourceHash = await hashTree([
'packages/common/src',
'packages/logic/src',
'resources/unitset',
'tools/balance-lab',
]);
const manifest = {
design: DESIGN_VERSION,
suite: values.suite,
seed: values.seed,
samples,
commit: execFileSync('git', ['rev-parse', 'HEAD'], { cwd: root, encoding: 'utf8' }).trim(),
dirty: execFileSync('git', ['status', '--porcelain'], { cwd: root, encoding: 'utf8' }).trim(),
sourceHash,
node: process.version,
builds: BUILDS,
cells: cells.length,
battles: cells.reduce((sum, cell) => sum + samples * (cell.factorialPatches ? 4 : cell.paired ? 2 : 1), 0),
protocol: {
seedPairing: 'same seed within cell and treatment/control; RNG consumption may diverge',
inference:
'per-cell descriptive normal CI; correlated cells and multiple tests prevent global significance claims',
economics:
'equal-gold uses base crew cost; recruited uses production CommandResolver costs/population/train/capacity; neither is lifetime cost',
outcome: 'fraction enemy troops lost minus fraction own troops lost; siege uses wall damage separately',
environment:
'synthetic CHE defaults tech 3000/year 200; cell overrides are recorded in plan; no production data or mutation',
},
completed: false,
};
await mkdir(out, { recursive: true });
// Never silently truncate a previous run (including a partially completed run).
const claim = await open(path.join(out, 'manifest.json'), 'wx');
await claim.writeFile(JSON.stringify(manifest, null, 2));
await claim.close();
await writeFile(path.join(out, 'catalog.json'), JSON.stringify(catalog, null, 2));
await writeFile(path.join(out, 'plan.json'), JSON.stringify(cells, null, 2));
if (values.plan) {
console.log(JSON.stringify({ out, ...manifest }));
process.exit(0);
}
// Nation coefficients are observed through the actual module hooks. Fail on newly context-dependent
// hooks rather than silently inventing a partial domain context for them.
const noContext = new Proxy(
{},
{
get: (_, key) => {
throw new Error(`Nation probe needs context.${String(key)}`);
},
}
);
const nationProfiles = nations.map((module) => {
const domestic = {};
for (const action of ['농업', '상업', '기술', '치안', '민심', '인구', '수비', '성벽', '계략', '징병', '모병']) {
domestic[action] = Object.fromEntries(
['score', 'cost', 'success'].map((kind) => {
const base = kind === 'success' ? 0.5 : 100;
return [kind, module.onCalcDomestic?.(noContext, action, kind, base) ?? base];
})
);
}
return {
key: module.key,
domestic,
income: Object.fromEntries(
['gold', 'rice', 'pop'].map((kind) => [kind, module.onCalcNationalIncome?.(noContext, kind, 100) ?? 100])
),
populationLoss: module.onCalcNationalIncome?.(noContext, 'pop', -100) ?? -100,
strategy: Object.fromEntries(
['의병모집', '급습', '수몰'].map((action) => [
action,
Object.fromEntries(
['delay', 'globalDelay'].map((kind) => [
kind,
[12, 24, 36].map((base) => ({
base,
actual: module.onCalcStrategic?.(noContext, action, kind, base) ?? base,
})),
])
),
])
),
};
});
await writeFile(path.join(out, 'nation-profiles.json'), JSON.stringify(nationProfiles, null, 2));
await writeFile(path.join(out, 'nation-plans.json'), JSON.stringify(nationPlans(nationProfiles), null, 2));
const probePayload = makePayload(
unitSet,
{ unit: 1100, opponent: 1100, build: 'martial', role: 'attack', mode: 'field' },
'economic-probe'
);
const economicProfiles = [...allItems.filter((item) => item.unique), ...war].map((module) =>
economics.profile(probePayload.attackerGeneral, probePayload.attackerNation, probePayload.time, module)
);
await writeFile(path.join(out, 'economic-profiles.json'), JSON.stringify(economicProfiles, null, 2));
await writeFile(
path.join(out, 'lifecycle-profiles.json'),
JSON.stringify(
lifecycleProfiles(
logic,
common,
probePayload,
[...allItems.filter((item) => item.unique), ...war],
values.seed
),
null,
2
)
);
await writeFile(
path.join(out, 'strategy-plans.json'),
JSON.stringify(strategyPlans(VolunteerResolver, probePayload, nations, allItems), null, 2)
);
const raw = await open(path.join(out, 'samples.jsonl'), 'wx');
const summary = [];
const started = Date.now();
try {
for (const cell of cells) {
const rows = [];
for (let index = 0; index < samples; index++) {
// Omit candidate key and role: common random numbers across candidate and role strata.
const seed = JSON.stringify([
values.seed,
cell.build,
cell.opponent,
cell.mode,
cell.budget ?? 'equal-crew',
cell.condition ?? 'ready',
index,
]);
const run = (treatment, patch) => {
const payload = makePayload(unitSet, patch ? { ...cell, generalPatch: patch } : cell, seed, treatment);
const recruited = cell.budget === 'recruited' ? economics.recruit(payload, cell) : null;
let result;
logic.processBattleSimJob(payload, {
onBattleResolved: (battle) => {
result = observe(battle, payload, cell.role);
},
});
if (!result) throw new Error('Battle did not execute');
if (recruited) for (const [key, value] of Object.entries(recruited)) result[`recruit_${key}`] = value;
return result;
};
const treatment = run(true);
const control = cell.paired ? run(false) : null;
const delta = control
? Object.fromEntries(
Object.entries(treatment).map(([key, value]) => [
key,
value === null ? null : value - control[key],
])
)
: null;
const singles = cell.factorialPatches?.map((patch) => run(true, patch));
const synergy = singles
? Object.fromEntries(
Object.entries(treatment).map(([key, value]) => [
key,
value === null ? null : value - singles[0][key] - singles[1][key] + control[key],
])
)
: null;
const row = { cell: cell.id, index, seed, treatment, control, delta, singles, synergy };
rows.push(row);
await raw.write(JSON.stringify(row) + '\n');
}
const aggregate = (field) =>
Object.fromEntries(
Object.keys(rows[0][field]).map((metric) => {
const values = rows.map((row) => row[field][metric]);
return [metric, values[0] === null ? null : summarize(values)];
})
);
summary.push({
...cell,
treatment: aggregate('treatment'),
control: cell.paired ? aggregate('control') : null,
delta: cell.paired ? aggregate('delta') : null,
synergy: cell.factorialPatches ? aggregate('synergy') : null,
});
if (summary.length % 25 === 0)
console.error(
`${values.suite}: ${summary.length}/${cells.length} cells, ${Math.round((Date.now() - started) / 1000)}s`
);
}
} finally {
await raw.close();
}
const finalHash = await hashTree([
'packages/common/src',
'packages/logic/src',
'resources/unitset',
'tools/balance-lab',
]);
if (finalHash !== sourceHash) throw new Error('Source changed during run; result is not complete');
await writeFile(path.join(out, 'summary.json'), JSON.stringify(summary, null, 2));
const coverage = [...catalog.items, ...catalog.war].map((entry) => {
const evaluated = summary.filter((row) => row.key === entry.key);
const changed = evaluated.some(
(row) => row.delta && Object.values(row.delta).some((metric) => metric && Math.abs(metric.mean) > 1e-10)
);
return {
key: entry.key,
cells: evaluated.length,
hooks: entry.hooks,
events: entry.events,
battleObservation: !evaluated.length
? 'not-scheduled'
: changed
? 'difference-observed'
: 'no-difference-in-tested-conditions',
economicProfile: true,
limitation: 'No observed difference is not a balance pass or proof of worthlessness',
};
});
await writeFile(path.join(out, 'coverage.json'), JSON.stringify(coverage, null, 2));
manifest.completed = true;
manifest.elapsedSeconds = (Date.now() - started) / 1000;
await writeFile(path.join(out, 'manifest.json'), JSON.stringify(manifest, null, 2));
console.log(
JSON.stringify({ out, cells: cells.length, battles: manifest.battles, elapsedSeconds: manifest.elapsedSeconds })
);