added harness to support bots being able to run / test strategies.

src/sim/harness.ts

@@ -19,7 +19,7 @@ import type { GameConfig, GameMode } from '../engine/state.ts';
 import type { BotPolicy, PlayOutcome } from './bot.ts';
 import { developerBot, playGame, randomBot } from './bot.ts';
 import type { GameStats } from './stats.ts';
-import { formatAggregate, summarize } from './stats.ts';
+import { formatAggregate, makeFunnelProbe, summarize } from './stats.ts';
 
 export type SimOptions = {
   games: number;
@@ -86,9 +86,12 @@ export function simulate(opts: SimOptions): SimReport {
       config: configFor(opts.mode, opts.length),
       playerNames: opts.players,
     });
-    const r = playGame(s, opts.policy, pump);
+    // The probe watches the game as it is played: the funnel gates are conditions at a moment, not
+    // events, so they cannot be recovered from the log afterwards.
+    const probe = makeFunnelProbe(0);
+    const r = playGame(s, opts.policy, pump, 50_000, probe.onEvent, probe.onTurn);
     results.push(r);
-    stats.push(summarize(seed, r.events, r.intents, s));
+    stats.push(summarize(seed, r.events, r.intents, s, probe.funnel));
   }
 
   const finished = results.filter((r) => r.finished);