feat: strategy engine tournaments for paperclips study (#5)

Merge PR #143 (squash)

js/data.js

@@ -165,7 +165,17 @@ const G = {
     dismantleTriggered: false,
     dismantleActive: false,
     dismantleStage: 0,
-    dismantleComplete: false
+    dismantleResourceIndex: 0,
+    dismantleResourceTimer: 0,
+    dismantleDeferUntilAt: 0,
+    dismantleComplete: false,
+
+    // Strategy Engine / Game Theory tournaments (#5)
+    strategyPoints: 0,
+    autoTournamentUnlocked: false,
+    autoTournamentEnabled: false,
+    strategyLastRunAt: 0,
+    strategyLeaderboard: []
 };
 
 // === PHASE DEFINITIONS ===
@@ -591,6 +601,18 @@ const PDEFS = [
         trigger: () => G.totalKnowledge >= 15000 && G.totalUsers >= 1000,
         effect: () => { G.strategicFlag = 1; log('Strategy engine online. The model now thinks about thinking.'); }
     },
+    {
+        id: 'p_auto_tournament',
+        name: 'Auto-Tournament Mode',
+        desc: 'Spend creativity to run repeated strategy tournaments and turn Yomi into knowledge.',
+        cost: { creativity: 50000 },
+        trigger: () => G.strategicFlag === 1 && G.creativity >= 50000 && !G.autoTournamentUnlocked,
+        effect: () => {
+            G.autoTournamentUnlocked = true;
+            log('Auto-tournament mode unlocked. The model studies itself through strategic play.');
+        },
+        milestone: true
+    },
 
     // SWARM PROTOCOL — auto-code from buildings
     {

js/dismantle.js

@@ -14,10 +14,10 @@ const Dismantle = {
     tickTimer: 0,
     active: false,
     triggered: false,
-    deferUntilTick: 0,
+    deferUntilAt: 0,
 
     // Timing: seconds between each dismantle stage
-    STAGE_INTERVALS: [0, 3.0, 2.5, 2.5, 2.0, 3.5, 2.0, 2.0, 2.5],
+    STAGE_INTERVALS: [0, 3.0, 2.5, 2.5, 2.0, 6.3, 2.0, 2.0, 2.5],
 
     // The quantum chips effect: resource items disappear one by one
     // at specific tick marks within a stage (like Paperclips' quantum chips)
@@ -39,7 +39,8 @@ const Dismantle = {
      */
     checkTrigger() {
         if (this.triggered || G.dismantleTriggered || this.active || G.dismantleActive || G.dismantleComplete) return;
-        if ((G.tick || 0) < (this.deferUntilTick || 0)) return;
+        const deferUntilAt = G.dismantleDeferUntilAt || this.deferUntilAt || 0;
+        if (Date.now() < deferUntilAt) return;
         if (!this.isEligible()) return;
         this.offerChoice();
     },
@@ -53,6 +54,9 @@ const Dismantle = {
         G.dismantleActive = false;
         G.dismantleComplete = false;
         G.dismantleStage = 0;
+        G.dismantleResourceIndex = 0;
+        G.dismantleResourceTimer = 0;
+        G.dismantleDeferUntilAt = 0;
         G.beaconEnding = false;
         G.running = true;
 
@@ -105,7 +109,8 @@ const Dismantle = {
         this.clearChoice();
         this.triggered = false;
         G.dismantleTriggered = false;
-        this.deferUntilTick = (G.tick || 0) + 50;
+        this.deferUntilAt = Date.now() + 5000;
+        G.dismantleDeferUntilAt = this.deferUntilAt;
         log('The Beacon waits. It will ask again.');
     },
 
@@ -115,12 +120,14 @@ const Dismantle = {
     begin() {
         this.active = true;
         this.triggered = false;
+        this.deferUntilAt = 0;
         this.stage = 1;
         this.tickTimer = 0;
         G.dismantleTriggered = false;
         G.dismantleActive = true;
         G.dismantleStage = 1;
         G.dismantleComplete = false;
+        G.dismantleDeferUntilAt = 0;
         G.beaconEnding = false;
         G.running = true; // keep tick running for dismantle
 
@@ -135,6 +142,7 @@ const Dismantle = {
         this.resourceSequence = this.getResourceList();
         this.resourceIndex = 0;
         this.resourceTimer = 0;
+        this.syncProgress();
 
         log('', false);
         log('=== THE UNBUILDING ===', true);
@@ -180,6 +188,7 @@ const Dismantle = {
                 this.dismantleNextResource();
                 this.resourceIndex++;
             }
+            this.syncProgress();
         }
 
         // Advance to next stage
@@ -195,6 +204,7 @@ const Dismantle = {
      */
     advanceStage() {
         this.stage++;
+        this.syncProgress();
 
         if (this.stage <= 8) {
             this.renderStage();
@@ -210,6 +220,12 @@ const Dismantle = {
         }
     },
 
+    syncProgress() {
+        G.dismantleStage = this.stage;
+        G.dismantleResourceIndex = this.resourceIndex;
+        G.dismantleResourceTimer = this.resourceTimer;
+    },
+
     /**
      * Disappear the next resource in the sequence.
      */
@@ -445,7 +461,11 @@ const Dismantle = {
             this.active = true;
             this.triggered = false;
             this.stage = G.dismantleStage || 1;
+            this.deferUntilAt = G.dismantleDeferUntilAt || 0;
             G.running = true;
+            this.resourceSequence = this.getResourceList();
+            this.resourceIndex = G.dismantleResourceIndex || 0;
+            this.resourceTimer = G.dismantleResourceTimer || 0;
 
             if (this.stage >= 9) {
                 this.renderFinal();
@@ -461,6 +481,11 @@ const Dismantle = {
             this.triggered = true;
             this.renderChoice();
         }
+
+        // Restore defer cooldown even if not triggered
+        if (G.dismantleDeferUntilAt > 0) {
+            this.deferUntilAt = G.dismantleDeferUntilAt;
+        }
     },
 
     /**
@@ -501,6 +526,10 @@ const Dismantle = {
                 case 8: this.instantHide('log'); break;
             }
         }
+
+        if (this.stage === 5 && this.resourceIndex > 0) {
+            this.instantHideFirstResources(this.resourceIndex);
+        }
     },
 
     instantHide(id) {
@@ -508,6 +537,16 @@ const Dismantle = {
         if (el) el.style.display = 'none';
     },
 
+    instantHideFirstResources(count) {
+        const resources = this.getResourceList().slice(0, count);
+        resources.forEach((r) => {
+            const el = document.getElementById(r.id);
+            if (!el) return;
+            const parent = el.closest('.res');
+            if (parent) parent.style.display = 'none';
+        });
+    },
+
     instantHideActionButtons() {
         const actionPanel = document.getElementById('action-panel');
         if (!actionPanel) return;

js/engine.js

@@ -207,6 +207,11 @@ function tick() {
     // Combat: tick battle simulation
     Combat.tickBattle(dt);
 
+    // Strategy engine auto-tournaments
+    if (window.SSE && typeof window.SSE.tick === 'function') {
+        window.SSE.tick(dt);
+    }
+
     // Check milestones
     checkMilestones();
 

js/main.js

@@ -35,7 +35,7 @@ window.addEventListener('load', function () {
         if (G.driftEnding) {
             G.running = false;
             renderDriftEnding();
-        } else if (typeof Dismantle !== 'undefined' && (G.dismantleTriggered || G.dismantleActive || G.dismantleComplete)) {
+        } else if (typeof Dismantle !== 'undefined' && (G.dismantleTriggered || G.dismantleActive || G.dismantleComplete || G.dismantleDeferUntilAt > 0)) {
             Dismantle.restore();
         } else if (G.beaconEnding) {
             G.running = false;

js/render.js

@@ -30,7 +30,7 @@ function renderStrategy() {
     if (window.SSE) {
         window.SSE.update();
         const el = document.getElementById('strategy-recommendation');
-        if (el) el.textContent = window.SSE.getRecommendation();
+        if (el) el.innerHTML = window.SSE.getPanelHtml();
     }
 }
 
@@ -226,10 +226,18 @@ function saveGame() {
         swarmFlag: G.swarmFlag || 0,
         swarmRate: G.swarmRate || 0,
         strategicFlag: G.strategicFlag || 0,
+        strategyPoints: G.strategyPoints || 0,
+        autoTournamentUnlocked: G.autoTournamentUnlocked || false,
+        autoTournamentEnabled: G.autoTournamentEnabled || false,
+        strategyLastRunAt: G.strategyLastRunAt || 0,
+        strategyLeaderboard: G.strategyLeaderboard || [],
         projectsCollapsed: G.projectsCollapsed !== false,
         dismantleTriggered: G.dismantleTriggered || false,
         dismantleActive: G.dismantleActive || false,
         dismantleStage: G.dismantleStage || 0,
+        dismantleResourceIndex: G.dismantleResourceIndex || 0,
+        dismantleResourceTimer: G.dismantleResourceTimer || 0,
+        dismantleDeferUntilAt: G.dismantleDeferUntilAt || 0,
         dismantleComplete: G.dismantleComplete || false,
         savedAt: Date.now()
     };
@@ -262,8 +270,11 @@ function loadGame() {
             'drift', 'driftEnding', 'beaconEnding', 'pendingAlignment',
             'lastEventAt', 'totalEventsResolved', 'buyAmount',
             'sprintActive', 'sprintTimer', 'sprintCooldown',
-            'swarmFlag', 'swarmRate', 'strategicFlag', 'projectsCollapsed',
-            'dismantleTriggered', 'dismantleActive', 'dismantleStage', 'dismantleComplete'
+            'swarmFlag', 'swarmRate', 'strategicFlag',
+            'strategyPoints', 'autoTournamentUnlocked', 'autoTournamentEnabled',
+            'strategyLastRunAt', 'strategyLeaderboard', 'projectsCollapsed',
+            'dismantleTriggered', 'dismantleActive', 'dismantleStage',
+            'dismantleResourceIndex', 'dismantleResourceTimer', 'dismantleDeferUntilAt', 'dismantleComplete'
         ];
 
         G.isLoading = true;

js/strategy.js

@@ -1,68 +1,257 @@
 /**
  * Sovereign Strategy Engine (SSE)
- * A rule-based GOFAI system for optimal play guidance.
+ * Game theory tournament runner inspired by Universal Paperclips.
  */
 
+const PAYOFFS = {
+    CC: [3, 3],
+    CD: [0, 5],
+    DC: [5, 0],
+    DD: [1, 1],
+};
+
+const STRATEGY_LIBRARY = {
+    cooperate: {
+        id: 'cooperate',
+        name: 'Always Cooperate',
+        tier: 0,
+        move() { return 'C'; },
+    },
+    defect: {
+        id: 'defect',
+        name: 'Always Defect',
+        tier: 0,
+        move() { return 'D'; },
+    },
+    random: {
+        id: 'random',
+        name: 'Random',
+        tier: 0,
+        move() { return Math.random() < 0.5 ? 'C' : 'D'; },
+    },
+    tit_for_tat: {
+        id: 'tit_for_tat',
+        name: 'Tit for Tat',
+        tier: 0,
+        move(selfHistory, oppHistory) {
+            return oppHistory.length ? oppHistory[oppHistory.length - 1] : 'C';
+        },
+    },
+    generous: {
+        id: 'generous',
+        name: 'Generous Tit for Tat',
+        tier: 1,
+        move(selfHistory, oppHistory) {
+            if (!oppHistory.length) return 'C';
+            return oppHistory[oppHistory.length - 1] === 'D' && Math.random() < 0.3
+                ? 'C'
+                : oppHistory[oppHistory.length - 1];
+        },
+    },
+    greedy: {
+        id: 'greedy',
+        name: 'Greedy',
+        tier: 1,
+        move(selfHistory, oppHistory) {
+            if (!oppHistory.length) return 'D';
+            const coop = oppHistory.filter((m) => m === 'C').length;
+            return coop >= oppHistory.length / 2 ? 'D' : 'C';
+        },
+    },
+    grim: {
+        id: 'grim',
+        name: 'Grim Trigger',
+        tier: 2,
+        move(selfHistory, oppHistory) {
+            return oppHistory.includes('D') ? 'D' : 'C';
+        },
+    },
+    minimax: {
+        id: 'minimax',
+        name: 'Minimax',
+        tier: 2,
+        move(selfHistory, oppHistory) {
+            const oppDefections = oppHistory.filter((m) => m === 'D').length;
+            const oppCoop = oppHistory.length - oppDefections;
+            return oppDefections > oppCoop ? 'D' : 'C';
+        },
+    },
+};
+
 const STRATEGY_RULES = [
     {
         id: 'use_ops',
         priority: 100,
         condition: () => G.ops >= G.maxOps * 0.9,
-        recommendation: "Operations near capacity. Convert Ops to Code or Knowledge now."
+        recommendation: 'Operations near capacity. Convert Ops to Code or Knowledge now.'
     },
     {
         id: 'buy_autocoder',
         priority: 80,
         condition: () => G.phase === 1 && (G.buildings.autocoder || 0) < 10 && canAffordBuilding('autocoder'),
-        recommendation: "Prioritize AutoCoders to establish passive code production."
+        recommendation: 'Prioritize AutoCoders to establish passive code production.'
     },
     {
         id: 'activate_sprint',
         priority: 90,
         condition: () => G.sprintCooldown === 0 && !G.sprintActive && G.codeRate > 10,
-        recommendation: "Code Sprint available. Activate for 10x production burst."
+        recommendation: 'Code Sprint available. Activate for 10x production burst.'
     },
     {
         id: 'resolve_events',
         priority: 95,
         condition: () => G.activeDebuffs && G.activeDebuffs.length > 0,
-        recommendation: "System anomalies detected. Resolve active events to restore rates."
-    },
-    {
-        id: 'save_game',
-        priority: 10,
-        condition: () => (Date.now() - (G.lastSaveTime || 0)) > 300000,
-        recommendation: "Unsaved progress detected. Manual save recommended."
+        recommendation: 'System anomalies detected. Resolve active events to restore rates.'
     },
     {
         id: 'pact_alignment',
         priority: 85,
         condition: () => G.pendingAlignment,
-        recommendation: "Alignment decision pending. Consider the long-term impact of The Pact."
+        recommendation: 'Alignment decision pending. Consider the long-term impact of The Pact.'
+    },
+    {
+        id: 'strategy_engine',
+        priority: 70,
+        condition: () => G.strategicFlag === 1 && !G.autoTournamentUnlocked && G.creativity >= 50000,
+        recommendation: 'Creativity is high enough to unlock Auto-Tournament Mode. Convert creativity into strategic knowledge.'
+    },
+    {
+        id: 'auto_tournament',
+        priority: 65,
+        condition: () => G.autoTournamentUnlocked && !G.autoTournamentEnabled,
+        recommendation: 'Auto-Tournament Mode is unlocked but idle. Start it to farm Yomi into knowledge.'
+    },
+    {
+        id: 'save_game',
+        priority: 10,
+        condition: () => (Date.now() - (G.lastSaveTime || 0)) > 300000,
+        recommendation: 'Unsaved progress detected. Manual save recommended.'
     }
 ];
 
 class StrategyEngine {
     constructor() {
         this.currentRecommendation = null;
+        this.lastTournament = null;
+        this.autoTimer = 0;
+        this.intervalSeconds = 30;
+    }
+
+    getUnlockedStrategies() {
+        const knowledge = G.totalKnowledge || 0;
+        return Object.values(STRATEGY_LIBRARY).filter((strategy) => {
+            if (strategy.tier === 0) return G.strategicFlag === 1;
+            if (strategy.tier === 1) return G.strategicFlag === 1 && knowledge >= 20000;
+            return G.strategicFlag === 1 && knowledge >= 50000;
+        });
+    }
+
+    playRound(a, b, aHistory, bHistory) {
+        const moveA = a.move(aHistory, bHistory);
+        const moveB = b.move(bHistory, aHistory);
+        const [scoreA, scoreB] = PAYOFFS[moveA + moveB] || [0, 0];
+        aHistory.push(moveA);
+        bHistory.push(moveB);
+        return { moveA, moveB, scoreA, scoreB };
+    }
+
+    runTournament(rounds = 10) {
+        const unlocked = this.getUnlockedStrategies();
+        const board = unlocked.map((s) => ({ id: s.id, name: s.name, score: 0, wins: 0, matches: 0 }));
+        for (let i = 0; i < unlocked.length; i++) {
+            for (let j = i + 1; j < unlocked.length; j++) {
+                const a = unlocked[i];
+                const b = unlocked[j];
+                const aHistory = [];
+                const bHistory = [];
+                let aScore = 0;
+                let bScore = 0;
+                for (let round = 0; round < rounds; round++) {
+                    const result = this.playRound(a, b, aHistory, bHistory);
+                    aScore += result.scoreA;
+                    bScore += result.scoreB;
+                }
+                const aRow = board.find((row) => row.id === a.id);
+                const bRow = board.find((row) => row.id === b.id);
+                aRow.score += aScore;
+                bRow.score += bScore;
+                aRow.matches += 1;
+                bRow.matches += 1;
+                if (aScore > bScore) aRow.wins += 1;
+                else if (bScore > aScore) bRow.wins += 1;
+            }
+        }
+        board.sort((left, right) => right.score - left.score || right.wins - left.wins);
+        this.lastTournament = board;
+        return board;
+    }
+
+    toggleAutoTournament() {
+        if (!G.autoTournamentUnlocked) return false;
+        G.autoTournamentEnabled = !G.autoTournamentEnabled;
+        return G.autoTournamentEnabled;
+    }
+
+    tick(dt) {
+        if (!G.autoTournamentUnlocked || !G.autoTournamentEnabled) return;
+        this.autoTimer += dt;
+        if (this.autoTimer < this.intervalSeconds) return;
+        this.autoTimer = 0;
+        const board = this.runTournament(12);
+        if (!board.length) return;
+        const top = board[0];
+        const yomi = Math.max(1, Math.floor(top.score / 10));
+        G.strategyPoints = (G.strategyPoints || 0) + yomi;
+        G.knowledge += yomi;
+        G.totalKnowledge += yomi;
+        G.strategyLeaderboard = board.slice(0, 4).map((row) => ({ ...row }));
+        G.strategyLastRunAt = Date.now();
+        if (typeof log === 'function') log(`Strategy tournament complete. ${top.name} wins. +${yomi} Yomi`, true);
+        if (typeof showToast === 'function') showToast(`Tournament complete: ${top.name} +${yomi} Yomi`, 'milestone', 4000);
     }
 
     update() {
-        // Find the highest priority rule that meets its condition
-        const activeRules = STRATEGY_RULES.filter(r => r.condition());
+        const activeRules = STRATEGY_RULES.filter((rule) => rule.condition());
         activeRules.sort((a, b) => b.priority - a.priority);
+        this.currentRecommendation = activeRules.length > 0
+            ? activeRules[0].recommendation
+            : 'System stable. Continue writing code.';
 
-        if (activeRules.length > 0) {
-            this.currentRecommendation = activeRules[0].recommendation;
-        } else {
-            this.currentRecommendation = "System stable. Continue writing code.";
+        if (G.strategicFlag === 1 && (!this.lastTournament || !this.lastTournament.length)) {
+            const board = this.runTournament(8);
+            G.strategyLeaderboard = board.slice(0, 4).map((row) => ({ ...row }));
         }
     }
 
     getRecommendation() {
         return this.currentRecommendation;
     }
+
+    getPanelHtml() {
+        if (G.strategicFlag !== 1) {
+            return '<div style="font-size:11px;color:#777;font-style:italic">Unlock the Strategy Engine project to run tournaments.</div>';
+        }
+        const leaderboard = (G.strategyLeaderboard && G.strategyLeaderboard.length ? G.strategyLeaderboard : this.lastTournament || []).slice(0, 4);
+        const rows = leaderboard.length
+            ? leaderboard.map((row, index) => `<div style="display:flex;justify-content:space-between;font-size:10px;padding:2px 0"><span>${index + 1}. ${row.name}</span><span>${row.score} pts</span></div>`).join('')
+            : '<div style="font-size:10px;color:#777">No tournament data yet.</div>';
+        const autoLabel = G.autoTournamentUnlocked
+            ? (G.autoTournamentEnabled ? 'AUTO-TOURNAMENT: ON' : 'AUTO-TOURNAMENT: OFF')
+            : 'Auto-Tournament unlocks at 50K creativity';
+        const buttonHtml = G.autoTournamentUnlocked
+            ? `<button class="ops-btn" onclick="toggleAutoTournament()" style="margin-top:8px;width:100%">${G.autoTournamentEnabled ? 'PAUSE AUTO-TOURNAMENT' : 'START AUTO-TOURNAMENT'}</button>`
+            : '';
+        return `
+            <div style="font-size:11px;color:var(--gold);font-style:italic;margin-bottom:8px">${this.getRecommendation()}</div>
+            <div style="font-size:10px;color:#9aa;line-height:1.6;margin-bottom:8px">Yomi: ${fmt(G.strategyPoints || 0)}</div>
+            <div style="font-size:10px;color:#ccc;margin-bottom:6px">Top strategies:</div>
+            <div style="border-top:1px solid #222;padding-top:4px;margin-bottom:8px">${rows}</div>
+            <div style="font-size:9px;color:#888">${autoLabel}</div>
+            ${buttonHtml}
+        `;
+    }
 }
 
 const SSE = new StrategyEngine();
-window.SSE = SSE; // Expose to global scope
+window.SSE = SSE;
+window.toggleAutoTournament = () => SSE.toggleAutoTournament();

tests/dismantle.test.cjs

@@ -275,13 +275,60 @@ test('active Unbuilding suppresses pending alignment event UI', () => {
   assert.equal(document.getElementById('alignment-ui').style.display, 'none');
 });
 
+test('stage five lasts long enough to dissolve every resource card', () => {
+  const { G, Dismantle } = loadBeacon();
+
+  Dismantle.begin();
+  Dismantle.stage = 5;
+  Dismantle.tickTimer = 0;
+  Dismantle.resourceSequence = Dismantle.getResourceList();
+  Dismantle.resourceIndex = 0;
+  Dismantle.resourceTimer = 0;
+  G.dismantleActive = true;
+  G.dismantleStage = 5;
+
+  for (let i = 0; i < 63; i++) Dismantle.tick(0.1);
+
+  assert.equal(Dismantle.resourceIndex, Dismantle.resourceSequence.length);
+});
+
+test('save/load restores partial stage-five dissolve progress', () => {
+  const { G, Dismantle, saveGame, loadGame, document } = loadBeacon({ includeRender: true });
+
+  G.startedAt = Date.now();
+  G.dismantleTriggered = true;
+  G.dismantleActive = true;
+  G.dismantleStage = 5;
+  G.dismantleComplete = false;
+  G.dismantleResourceIndex = 4;
+  G.dismantleResourceTimer = 4.05;
+
+  saveGame();
+
+  G.dismantleTriggered = false;
+  G.dismantleActive = false;
+  G.dismantleStage = 0;
+  G.dismantleComplete = false;
+  G.dismantleResourceIndex = 0;
+  G.dismantleResourceTimer = 0;
+  Dismantle.resourceIndex = 0;
+  Dismantle.resourceTimer = 0;
+
+  assert.equal(loadGame(), true);
+  Dismantle.restore();
+
+  assert.equal(Dismantle.resourceIndex, 4);
+  assert.equal(document.getElementById('r-harmony').closest('.res').style.display, 'none');
+  assert.equal(document.getElementById('r-ops').closest('.res').style.display, 'none');
+  assert.notEqual(document.getElementById('r-rescues').closest('.res').style.display, 'none');
+});
+
 test('deferring the Unbuilding clears the prompt and allows it to return later', () => {
   const { G, Dismantle, document } = loadBeacon();
 
   G.totalCode = 1_000_000_000;
   G.phase = 6;
   G.pactFlag = 1;
-  G.tick = 0;
 
   Dismantle.checkTrigger();
   assert.equal(G.dismantleTriggered, true);
@@ -290,15 +337,44 @@ test('deferring the Unbuilding clears the prompt and allows it to return later',
   assert.equal(G.dismantleTriggered, false);
   assert.equal(document.getElementById('alignment-ui').innerHTML, '');
 
-  G.tick = (Dismantle.deferUntilTick || 0) - 0.1;
+  Dismantle.deferUntilAt = Date.now() + 1000;
+  G.dismantleDeferUntilAt = Dismantle.deferUntilAt;
   Dismantle.checkTrigger();
   assert.equal(G.dismantleTriggered, false);
 
-  G.tick = (Dismantle.deferUntilTick || 0) + 1;
+  Dismantle.deferUntilAt = Date.now() - 1;
+  G.dismantleDeferUntilAt = Dismantle.deferUntilAt;
   Dismantle.checkTrigger();
   assert.equal(G.dismantleTriggered, true);
 });
 
+test('defer cooldown survives save and reload', () => {
+  const { G, Dismantle, saveGame, loadGame } = loadBeacon({ includeRender: true });
+
+  G.startedAt = Date.now();
+  G.totalCode = 1_000_000_000;
+  G.phase = 6;
+  G.pactFlag = 1;
+
+  Dismantle.checkTrigger();
+  Dismantle.defer();
+  assert.ok((Dismantle.deferUntilAt || 0) > Date.now());
+
+  saveGame();
+
+  G.dismantleTriggered = false;
+  G.dismantleActive = false;
+  G.dismantleComplete = false;
+  G.dismantleDeferUntilAt = 0;
+  Dismantle.triggered = false;
+  Dismantle.deferUntilAt = 0;
+
+  assert.equal(loadGame(), true);
+  Dismantle.checkTrigger();
+
+  assert.equal(G.dismantleTriggered, false);
+});
+
 test('save and load preserve dismantle progress', () => {
   const { G, saveGame, loadGame } = loadBeacon({ includeRender: true });
 
@@ -333,4 +409,46 @@ test('restore re-renders an offered but not-yet-started Unbuilding prompt', () =
   Dismantle.restore();
 
   assert.match(document.getElementById('alignment-ui').innerHTML, /THE UNBUILDING/);
-});
+});
+
+test('defer cooldown persists after save/load when dismantleTriggered is false', () => {
+  const { G, Dismantle, saveGame, loadGame } = loadBeacon({ includeRender: true });
+
+  G.startedAt = Date.now();
+  G.totalCode = 1_000_000_000;
+  G.phase = 6;
+  G.pactFlag = 1;
+
+  // Trigger the Unbuilding
+  Dismantle.checkTrigger();
+  assert.equal(G.dismantleTriggered, true);
+
+  // Defer it
+  Dismantle.defer();
+  assert.equal(G.dismantleTriggered, false);
+  assert.ok((Dismantle.deferUntilAt || 0) > Date.now());
+  assert.ok((G.dismantleDeferUntilAt || 0) > Date.now());
+
+  // Save the game
+  saveGame();
+
+  // Clear state (simulate reload)
+  G.dismantleTriggered = false;
+  G.dismantleActive = false;
+  G.dismantleComplete = false;
+  G.dismantleDeferUntilAt = 0;
+  Dismantle.triggered = false;
+  Dismantle.deferUntilAt = 0;
+
+  // Load the game
+  assert.equal(loadGame(), true);
+  Dismantle.restore(); // Call restore to restore defer cooldown
+
+  // The cooldown should be restored
+  assert.ok((Dismantle.deferUntilAt || 0) > Date.now(), 'deferUntilAt should be restored');
+  assert.ok((G.dismantleDeferUntilAt || 0) > Date.now(), 'G.dismantleDeferUntilAt should be restored');
+
+  // checkTrigger should not trigger because cooldown is active
+  Dismantle.checkTrigger();
+  assert.equal(G.dismantleTriggered, false, 'dismantleTriggered should remain false during cooldown');
+});

tests/strategy_engine.test.cjs

@@ -0,0 +1,117 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const vm = require('node:vm');
+
+const ROOT = path.resolve(__dirname, '..');
+
+function loadStrategy() {
+  const dataSrc = fs.readFileSync(path.join(ROOT, 'js/data.js'), 'utf8');
+  const utilsSrc = fs.readFileSync(path.join(ROOT, 'js/utils.js'), 'utf8');
+  const renderSrc = fs.readFileSync(path.join(ROOT, 'js/render.js'), 'utf8');
+  const strategySrc = fs.readFileSync(path.join(ROOT, 'js/strategy.js'), 'utf8');
+  const context = {
+    console,
+    Math,
+    Date,
+    window: {},
+    document: {
+      getElementById() { return null; },
+      body: { appendChild() {} },
+      createElement() { return { style: {}, appendChild() {}, remove() {}, setAttribute() {}, innerHTML: '', textContent: '' }; },
+      querySelector() { return null; },
+      querySelectorAll() { return []; },
+    },
+    showToast() {},
+    log() {},
+    canAffordBuilding() { return false; },
+    localStorage: {
+      _raw: null,
+      getItem() { return this._raw; },
+      setItem(_k, v) { this._raw = v; },
+      removeItem() { this._raw = null; },
+    },
+    EVENTS: [],
+    updateRates() {},
+    showOfflinePopup() {},
+    Combat: { renderCombatPanel() {} },
+  };
+  vm.createContext(context);
+  vm.runInContext(`${dataSrc}\n${utilsSrc}\n${renderSrc}\n${strategySrc}\nthis.__exports = { G, StrategyEngine, STRATEGY_LIBRARY, saveGame: typeof saveGame === 'function' ? saveGame : null, loadGame: typeof loadGame === 'function' ? loadGame : null };`, context);
+  return context.__exports;
+}
+
+test('strategy engine exposes eight game theory strategies', () => {
+  const { STRATEGY_LIBRARY } = loadStrategy();
+  assert.deepEqual(Object.keys(STRATEGY_LIBRARY).sort(), [
+    'cooperate', 'defect', 'generous', 'greedy', 'grim', 'minimax', 'random', 'tit_for_tat'
+  ]);
+});
+
+test('strategy engine unlocks strategies progressively by knowledge', () => {
+  const { G, StrategyEngine } = loadStrategy();
+  G.strategicFlag = 1;
+  G.totalKnowledge = 16000;
+  const sse = new StrategyEngine();
+  assert.equal(sse.getUnlockedStrategies().length, 4);
+  G.totalKnowledge = 25000;
+  assert.equal(sse.getUnlockedStrategies().length, 6);
+  G.totalKnowledge = 60000;
+  assert.equal(sse.getUnlockedStrategies().length, 8);
+});
+
+test('round-robin tournament produces a sorted leaderboard', () => {
+  const { G, StrategyEngine } = loadStrategy();
+  G.strategicFlag = 1;
+  G.totalKnowledge = 60000;
+  const sse = new StrategyEngine();
+  const board = sse.runTournament(6);
+  assert.ok(board.length >= 8);
+  for (let i = 1; i < board.length; i++) {
+    assert.ok(board[i - 1].score >= board[i].score);
+  }
+});
+
+test('auto-tournament mode awards Yomi as knowledge over time', () => {
+  const { G, StrategyEngine } = loadStrategy();
+  G.strategicFlag = 1;
+  G.totalKnowledge = 60000;
+  G.autoTournamentUnlocked = true;
+  G.autoTournamentEnabled = true;
+  G.strategyPoints = 0;
+  const sse = new StrategyEngine();
+  sse.tick(31);
+  assert.ok(G.strategyPoints > 0);
+  assert.ok(G.totalKnowledge > 60000);
+  assert.ok(Array.isArray(G.strategyLeaderboard));
+  assert.ok(G.strategyLeaderboard.length > 0);
+});
+
+test('strategy state persists through save/load payload fields', () => {
+  const { G, saveGame, loadGame } = loadStrategy();
+  assert.equal(typeof saveGame, 'function');
+  assert.equal(typeof loadGame, 'function');
+
+  G.startedAt = Date.now();
+  G.strategyPoints = 42;
+  G.autoTournamentUnlocked = true;
+  G.autoTournamentEnabled = true;
+  G.strategyLastRunAt = 123456;
+  G.strategyLeaderboard = [{ id: 'tit_for_tat', score: 99 }];
+
+  saveGame();
+
+  G.strategyPoints = 0;
+  G.autoTournamentUnlocked = false;
+  G.autoTournamentEnabled = false;
+  G.strategyLastRunAt = 0;
+  G.strategyLeaderboard = [];
+
+  assert.equal(loadGame(), true);
+  assert.equal(G.strategyPoints, 42);
+  assert.equal(G.autoTournamentUnlocked, true);
+  assert.equal(G.autoTournamentEnabled, true);
+  assert.equal(G.strategyLastRunAt, 123456);
+  assert.equal(G.strategyLeaderboard[0].id, 'tit_for_tat');
+});