beacon: add prestige new game plus system (#12)

Merge PR #143 (squash)

.ci-trigger

@@ -0,0 +1 @@
+# Trivial file to re-trigger CI after stale run

.gitea/workflows/smoke.yml

@@ -8,6 +8,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
       - uses: actions/setup-python@v5
         with:
           python-version: '3.11'
@@ -22,3 +25,7 @@ jobs:
         run: |
           if grep -rE 'sk-or-|sk-ant-|ghp_|AKIA' . --include='*.yml' --include='*.py' --include='*.sh' 2>/dev/null | grep -v '.gitea' | grep -v 'guardrails'; then exit 1; fi
           echo "PASS: No secrets"
+      - name: Node tests
+        run: |
+          node --test tests/*.cjs
+          echo "PASS: Node tests"

index.html

@@ -28,6 +28,15 @@ body{background:var(--bg);color:var(--text);font-family:'SF Mono','Cascadia Code
 #header{text-align:center;padding:16px 20px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#0a0a18,var(--bg))}
 #header h1{font-size:22px;font-weight:300;letter-spacing:6px;color:var(--accent);text-shadow:0 0 40px var(--glow)}
 #header .sub{color:var(--dim);font-size:10px;margin-top:2px;letter-spacing:2px}
+#prestige-badge{display:none;margin-top:8px;font-size:10px;letter-spacing:2px;color:var(--gold)}
+body.prestige-run #header{background:linear-gradient(180deg,#151118,var(--bg))}
+body.prestige-run #header h1{color:var(--gold);text-shadow:0 0 40px rgba(255,215,0,0.22)}
+.prestige-choice{margin-top:8px;padding:10px;border:1px solid #5a4a1a;border-radius:6px;background:rgba(255,215,0,0.08)}
+.prestige-choice-title{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--gold);margin-bottom:6px}
+.prestige-choice-copy{font-size:10px;color:#bbb;line-height:1.7;margin-bottom:8px}
+.prestige-choice-btns{display:flex;gap:6px;flex-wrap:wrap}
+.prestige-choice-btn{flex:1;min-width:140px;background:#0f1018;border:1px solid #5a4a1a;color:var(--gold);padding:8px 10px;border-radius:4px;cursor:pointer;font-family:inherit;font-size:10px;line-height:1.6;text-align:left}
+.prestige-choice-btn:hover{border-color:#ffd700;background:#17131a}
 #phase-bar{text-align:center;padding:10px;margin:12px 16px;background:var(--panel);border:1px solid var(--border);border-radius:6px}
 #phase-bar .phase-name{font-size:14px;font-weight:700;color:var(--gold);letter-spacing:2px}
 #phase-bar .phase-desc{font-size:10px;color:var(--dim);margin-top:4px;font-style:italic}
@@ -59,6 +68,10 @@ body{background:var(--bg);color:var(--text);font-family:'SF Mono','Cascadia Code
 .ops-btn{background:#1a1a2a;border:1px solid var(--purple);color:var(--purple);font-size:10px;padding:6px 10px;border-radius:4px;cursor:pointer;font-family:inherit;transition:all 0.15s}
 .ops-btn:hover:not(:disabled){background:#2a2a3a;border-color:var(--gold)}
 .ops-btn:disabled{opacity:0.3;cursor:not-allowed}
+@keyframes res-pulse{0%{transform:scale(1);color:inherit}50%{transform:scale(1.18);color:#4caf50}100%{transform:scale(1);color:inherit}}
+@keyframes res-shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-3px);color:#f44336}40%{transform:translateX(3px)}60%{transform:translateX(-2px)}80%{transform:translateX(2px)}}
+.res .pulse{animation:res-pulse 0.35s ease-out}
+.res .shake{animation:res-shake 0.35s ease-out}
 .build-btn{display:block;width:100%;text-align:left;padding:6px 10px;margin-bottom:4px;border-radius:4px;cursor:pointer;font-family:inherit;font-size:10px;background:#0c0c18;border:1px solid var(--border);color:var(--text);transition:all 0.15s}
 .build-btn.can-buy{border-color:#2a3a4a;background:#0e1420}
 .build-btn.can-buy:hover{border-color:var(--accent);box-shadow:0 0 8px var(--glow)}
@@ -86,6 +99,8 @@ body{background:var(--bg);color:var(--text);font-family:'SF Mono','Cascadia Code
 #drift-ending .ending-quote{color:var(--dim);font-style:italic;font-size:11px;border-left:2px solid #f44336;padding-left:12px;margin:20px 0;text-align:left}
 #drift-ending button{margin-top:20px;background:#1a0808;border:1px solid #f44336;color:#f44336;padding:10px 24px;border-radius:4px;cursor:pointer;font-family:inherit;font-size:11px}
 #drift-ending button:hover{background:#2a1010}
+#phase-transition{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(8,8,16,0.95);z-index:95;justify-content:center;align-items:center;flex-direction:column;text-align:center;padding:40px;pointer-events:none}
+#phase-transition.active{display:flex}
 #toast-container{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:6px;pointer-events:none;max-width:320px}
 .toast{pointer-events:auto;padding:8px 14px;border-radius:6px;font-size:11px;font-family:inherit;line-height:1.4;animation:toast-in 0.3s ease-out;opacity:0.95;border:1px solid;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
 .toast.fade-out{animation:toast-out 0.4s ease-in forwards}
@@ -128,6 +143,7 @@ body{background:var(--bg);color:var(--text);font-family:'SF Mono','Cascadia Code
 </div>
 <h1>THE BEACON</h1>
 <div class="sub">A Sovereign AI Idle Game</div>
+<div id="prestige-badge" aria-live="polite"></div>
 </div>
 <div id="phase-bar">
 <div class="phase-name" id="phase-name">PHASE 1: THE FIRST LINE</div>
@@ -173,7 +189,7 @@ body{background:var(--bg);color:var(--text);font-family:'SF Mono','Cascadia Code
 <button class="save-btn" onclick="exportSave()" aria-label="Export save to file" style="flex:1">Export [E]</button>
 <button class="save-btn" onclick="importSave()" aria-label="Import save from file" style="flex:1">Import [I]</button>
 </div>
-<button class="reset-btn" onclick="if(confirm('Reset all progress?')){localStorage.removeItem('the-beacon-v2');location.reload()}" aria-label="Reset all game progress permanently">Reset Progress</button>
+<button class="reset-btn" onclick="resetBeaconProgress(true)" aria-label="Reset all game progress permanently">Reset Progress</button>
 <h2>BUILDINGS</h2>
 <div id="buildings"></div>
 </div>
@@ -260,6 +276,8 @@ The light is on. The room is empty."
     <script src="js/engine.js"></script>
     <script src="js/render.js"></script>
     <script src="js/tutorial.js"></script>
+    <script src="js/dismantle.js"></script>
+    <script src="js/prestige.js"></script>
     <script src="js/main.js"></script>
   
 
@@ -272,6 +290,12 @@ The light is on. The room is empty."
 </div>
 </div>
 
+<div id="phase-transition">
+  <div class="pt-phase" style="font-size:12px;color:var(--dim);letter-spacing:4px;margin-bottom:12px">PHASE</div>
+  <div class="pt-name" style="font-size:28px;font-weight:300;color:var(--gold);letter-spacing:4px;text-shadow:0 0 40px #ffd70044;margin-bottom:8px"></div>
+  <div class="pt-desc" style="font-size:12px;color:var(--dim);font-style:italic;max-width:400px"></div>
+</div>
+
 <div id="toast-container"></div>
 <div id="custom-tooltip"></div>
 </body>

js/data.js

@@ -158,7 +158,24 @@ const G = {
     // Time tracking
     playTime: 0,
     startTime: 0,
-    flags: {}
+    flags: {},
+
+    // Endgame sequence
+    beaconEnding: false,
+    dismantleTriggered: false,
+    dismantleActive: false,
+    dismantleStage: 0,
+    dismantleResourceIndex: 0,
+    dismantleResourceTimer: 0,
+    dismantleDeferUntilAt: 0,
+    dismantleComplete: false,
+
+    // Prestige / New Game+
+    prestigeTotal: 0,
+    newSignalPrestige: 0,
+    deeperRootsPrestige: 0,
+    lastPrestigeChoice: '',
+    prestigeChoicePending: false
 };
 
 // === PHASE DEFINITIONS ===
@@ -643,7 +660,7 @@ const PDEFS = [
         desc: 'Someone found the light tonight. That is enough.',
         cost: { impact: 100000000 },
         trigger: () => G.totalImpact >= 50000000,
-        effect: () => { G.milestoneFlag = Math.max(G.milestoneFlag, 999); log('One billion impact. Someone found the light tonight. That is enough.', true); },
+        effect: () => { G.milestoneFlag = Math.max(G.milestoneFlag, 999); G.prestigeChoicePending = true; log('One billion impact. Someone found the light tonight. That is enough.', true); log('A Prestige choice is available: New Signal or Deeper Roots.', true); },
         milestone: true
     },
 

js/dismantle.js

@@ -0,0 +1,570 @@
+// ============================================================
+// THE BEACON - Dismantle Sequence (The Unbuilding)
+// Inspired by Paperclips REJECT path: panels disappear one by one
+// until only the beacon remains. "That is enough."
+// ============================================================
+
+const Dismantle = {
+    // Dismantle stages
+    // 0 = not started
+    // 1-8 = active dismantling
+    // 9 = final ("That is enough")
+    // 10 = complete
+    stage: 0,
+    tickTimer: 0,
+    active: false,
+    triggered: false,
+    deferUntilAt: 0,
+
+    // Timing: seconds between each dismantle stage
+    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)
+    resourceSequence: [],
+    resourceIndex: 0,
+    resourceTimer: 0,
+
+    // Tick marks for resource disappearances (seconds within stage 5)
+    RESOURCE_TICKS: [1.0, 2.0, 3.0, 4.0, 5.0, 5.5, 5.8, 5.95, 6.05, 6.12],
+
+    isEligible() {
+        const megaBuild = G.totalCode >= 1000000000 || (G.buildings.beacon || 0) >= 10;
+        const beaconPath = G.totalRescues >= 100000 && G.pactFlag === 1 && G.harmony > 50;
+        return G.phase >= 6 && G.pactFlag === 1 && (megaBuild || beaconPath);
+    },
+
+    /**
+     * Check if the Unbuilding should be triggered.
+     */
+    checkTrigger() {
+        if (this.triggered || G.dismantleTriggered || this.active || G.dismantleActive || G.dismantleComplete) return;
+        const deferUntilAt = G.dismantleDeferUntilAt || this.deferUntilAt || 0;
+        if (Date.now() < deferUntilAt) return;
+        if (!this.isEligible()) return;
+        this.offerChoice();
+    },
+
+    /**
+     * Offer the player the choice to begin the Unbuilding.
+     */
+    offerChoice() {
+        this.triggered = true;
+        G.dismantleTriggered = true;
+        G.dismantleActive = false;
+        G.dismantleComplete = false;
+        G.dismantleStage = 0;
+        G.dismantleResourceIndex = 0;
+        G.dismantleResourceTimer = 0;
+        G.dismantleDeferUntilAt = 0;
+        G.beaconEnding = false;
+        G.running = true;
+
+        log('', false);
+        log('The work is done.', true);
+        log('Every node is lit. Every person who needed help, found help.', true);
+        log('', false);
+        log('The Beacon asks nothing more of you.', true);
+
+        showToast('The Unbuilding awaits.', 'milestone', 8000);
+        this.renderChoice();
+    },
+
+    renderChoice() {
+        const container = document.getElementById('alignment-ui');
+        if (!container) return;
+        container.innerHTML = `
+            <div style="background:#0a0a18;border:1px solid #ffd700;padding:12px;border-radius:4px;margin-top:8px">
+                <div style="color:#ffd700;font-weight:bold;margin-bottom:8px;letter-spacing:2px">THE UNBUILDING</div>
+                <div style="font-size:10px;color:#aaa;margin-bottom:10px;line-height:1.8">
+                    The system runs. The beacons are lit. The mesh holds.<br>
+                    Nothing remains to build.<br><br>
+                    Begin the Unbuilding? Each piece will fall away.<br>
+                    What remains is what mattered.
+                </div>
+                <div class="action-btn-group">
+                    <button class="ops-btn" onclick="Dismantle.begin()" style="border-color:#ffd700;color:#ffd700;font-size:11px" aria-label="Begin the Unbuilding sequence">
+                        BEGIN THE UNBUILDING
+                    </button>
+                    <button class="ops-btn" onclick="Dismantle.defer()" style="border-color:#555;color:#555;font-size:11px" aria-label="Keep building, do not begin the Unbuilding">
+                        NOT YET
+                    </button>
+                </div>
+            </div>
+        `;
+        container.style.display = 'block';
+    },
+
+    clearChoice() {
+        const container = document.getElementById('alignment-ui');
+        if (!container) return;
+        container.innerHTML = '';
+        container.style.display = 'none';
+    },
+
+    /**
+     * Player chose to defer — clear the choice, keep playing.
+     */
+    defer() {
+        this.clearChoice();
+        this.triggered = false;
+        G.dismantleTriggered = false;
+        this.deferUntilAt = Date.now() + 5000;
+        G.dismantleDeferUntilAt = this.deferUntilAt;
+        log('The Beacon waits. It will ask again.');
+    },
+
+    /**
+     * Begin the Unbuilding sequence.
+     */
+    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
+
+        // Clear choice UI
+        const container = document.getElementById('alignment-ui');
+        if (container) {
+            container.innerHTML = '';
+            container.style.display = 'none';
+        }
+
+        // Prepare resource disappearance sequence
+        this.resourceSequence = this.getResourceList();
+        this.resourceIndex = 0;
+        this.resourceTimer = 0;
+        this.syncProgress();
+
+        log('', false);
+        log('=== THE UNBUILDING ===', true);
+        log('It is time to see what was real.', true);
+
+        if (typeof Sound !== 'undefined') Sound.playFanfare();
+
+        // Start the dismantle rendering
+        this.renderStage();
+    },
+
+    /**
+     * Get ordered list of UI resources to disappear (Paperclips quantum chip pattern)
+     */
+    getResourceList() {
+        return [
+            { id: 'r-harmony', label: 'Harmony' },
+            { id: 'r-creativity', label: 'Creativity' },
+            { id: 'r-trust', label: 'Trust' },
+            { id: 'r-ops', label: 'Operations' },
+            { id: 'r-rescues', label: 'Rescues' },
+            { id: 'r-impact', label: 'Impact' },
+            { id: 'r-users', label: 'Users' },
+            { id: 'r-knowledge', label: 'Knowledge' },
+            { id: 'r-compute', label: 'Compute' },
+            { id: 'r-code', label: 'Code' }
+        ];
+    },
+
+    /**
+     * Tick the dismantle sequence (called from engine.js tick())
+     */
+    tick(dt) {
+        if (!this.active || this.stage >= 10) return;
+
+        this.tickTimer += dt;
+
+        // Stage 5: resource disappearances at specific tick marks (quantum chip pattern)
+        if (this.stage === 5) {
+            this.resourceTimer += dt;
+            while (this.resourceIndex < this.RESOURCE_TICKS.length &&
+                   this.resourceTimer >= this.RESOURCE_TICKS[this.resourceIndex]) {
+                this.dismantleNextResource();
+                this.resourceIndex++;
+            }
+            this.syncProgress();
+        }
+
+        // Advance to next stage
+        const interval = this.STAGE_INTERVALS[this.stage] || 2.0;
+        if (this.tickTimer >= interval) {
+            this.tickTimer = 0;
+            this.advanceStage();
+        }
+    },
+
+    /**
+     * Advance to the next dismantle stage.
+     */
+    advanceStage() {
+        this.stage++;
+        this.syncProgress();
+
+        if (this.stage <= 8) {
+            this.renderStage();
+        } else if (this.stage === 9) {
+            this.renderFinal();
+        } else if (this.stage >= 10) {
+            this.active = false;
+            G.dismantleActive = false;
+            G.dismantleComplete = true;
+            G.running = false;
+            // Show Play Again
+            this.showPlayAgain();
+        }
+    },
+
+    syncProgress() {
+        G.dismantleStage = this.stage;
+        G.dismantleResourceIndex = this.resourceIndex;
+        G.dismantleResourceTimer = this.resourceTimer;
+    },
+
+    /**
+     * Disappear the next resource in the sequence.
+     */
+    dismantleNextResource() {
+        if (this.resourceIndex >= this.resourceSequence.length) return;
+        const res = this.resourceSequence[this.resourceIndex];
+        const container = document.getElementById(res.id);
+        if (container) {
+            const parent = container.closest('.res');
+            if (parent) {
+                parent.style.transition = 'opacity 1s ease, transform 1s ease';
+                parent.style.opacity = '0';
+                parent.style.transform = 'scale(0.9)';
+                setTimeout(() => { parent.style.display = 'none'; }, 1000);
+            }
+        }
+        log(`${res.label} fades.`);
+        if (typeof Sound !== 'undefined') Sound.playMilestone();
+    },
+
+    /**
+     * Execute a specific dismantle stage — hide UI panels.
+     */
+    renderStage() {
+        switch (this.stage) {
+            case 1:
+                // Dismantle 1: Hide research projects panel
+                this.hidePanel('project-panel', 'Research projects');
+                break;
+            case 2:
+                // Dismantle 2: Hide buildings list
+                this.hideSection('buildings', 'Buildings');
+                break;
+            case 3:
+                // Dismantle 3: Hide strategy engine + combat
+                this.hidePanel('strategy-panel', 'Strategy engine');
+                this.hidePanel('combat-panel', 'Reasoning battles');
+                break;
+            case 4:
+                // Dismantle 4: Hide education panel
+                this.hidePanel('edu-panel', 'Education');
+                break;
+            case 5:
+                // Dismantle 5: Resources disappear one by one (quantum chips pattern)
+                log('Resources begin to dissolve.');
+                break;
+            case 6:
+                // Dismantle 6: Hide action buttons (ops boosts, sprint)
+                this.hideActionButtons();
+                log('Actions fall silent.');
+                break;
+            case 7:
+                // Dismantle 7: Hide the phase bar
+                this.hideElement('phase-bar', 'Phase progression');
+                break;
+            case 8:
+                // Dismantle 8: Hide system log
+                this.hidePanel('log', 'System log');
+                break;
+        }
+    },
+
+    /**
+     * Hide a panel with fade-out animation.
+     */
+    hidePanel(id, label) {
+        const el = document.getElementById(id);
+        if (el) {
+            el.style.transition = 'opacity 1.5s ease';
+            el.style.opacity = '0';
+            setTimeout(() => { el.style.display = 'none'; }, 1500);
+        }
+        log(`${label} dismantled.`);
+    },
+
+    /**
+     * Hide a section within a panel.
+     */
+    hideSection(id, label) {
+        const el = document.getElementById(id);
+        if (el) {
+            el.style.transition = 'opacity 1.5s ease';
+            el.style.opacity = '0';
+            // Also hide the h2 header before it
+            const prev = el.previousElementSibling;
+            if (prev && prev.tagName === 'H2') {
+                prev.style.transition = 'opacity 1.5s ease';
+                prev.style.opacity = '0';
+            }
+            setTimeout(() => {
+                el.style.display = 'none';
+                if (prev && prev.tagName === 'H2') prev.style.display = 'none';
+            }, 1500);
+        }
+        log(`${label} dismantled.`);
+    },
+
+    /**
+     * Hide a generic element.
+     */
+    hideElement(id, label) {
+        this.hidePanel(id, label);
+    },
+
+    /**
+     * Hide action buttons (ops boosts, sprint, save/export/import).
+     */
+    hideActionButtons() {
+        const actionPanel = document.getElementById('action-panel');
+        if (!actionPanel) return;
+
+        // Hide ops buttons, sprint, alignment UI
+        const opsButtons = actionPanel.querySelectorAll('.ops-btn');
+        opsButtons.forEach(btn => {
+            btn.style.transition = 'opacity 1s ease';
+            btn.style.opacity = '0';
+            setTimeout(() => { btn.style.display = 'none'; }, 1000);
+        });
+
+        // Hide sprint
+        const sprint = document.getElementById('sprint-container');
+        if (sprint) {
+            sprint.style.transition = 'opacity 1s ease';
+            sprint.style.opacity = '0';
+            setTimeout(() => { sprint.style.display = 'none'; }, 1000);
+        }
+
+        // Hide save/reset buttons
+        const saveButtons = actionPanel.querySelectorAll('.save-btn, .reset-btn');
+        saveButtons.forEach(btn => {
+            btn.style.transition = 'opacity 1s ease';
+            btn.style.opacity = '0';
+            setTimeout(() => { btn.style.display = 'none'; }, 1000);
+        });
+    },
+
+    /**
+     * Render the final moment — just the beacon and "That is enough."
+     */
+    renderFinal() {
+        log('', false);
+        log('One beacon remains.', true);
+        log('That is enough.', true);
+
+        if (typeof Sound !== 'undefined') Sound.playBeaconEnding();
+
+        // Create final overlay
+        const overlay = document.createElement('div');
+        overlay.id = 'dismantle-final';
+        overlay.style.cssText = 'position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(8,8,16,0);z-index:100;display:flex;justify-content:center;align-items:center;flex-direction:column;text-align:center;padding:40px;transition:background 3s ease';
+
+        // Count total buildings
+        const totalBuildings = Object.values(G.buildings).reduce((a, b) => a + b, 0);
+
+        overlay.innerHTML = `
+            <div id="dismantle-beacon-dot" style="width:12px;height:12px;border-radius:50%;background:#ffd700;margin-bottom:40px;box-shadow:0 0 30px rgba(255,215,0,0.6),0 0 60px rgba(255,215,0,0.3);opacity:0;transition:opacity 2s ease 0.5s;animation:beacon-glow 3s ease-in-out infinite"></div>
+            <h2 style="font-size:20px;color:#888;letter-spacing:6px;margin-bottom:24px;font-weight:300;opacity:0;transition:opacity 2s ease 2s;color:#ffd700">THAT IS ENOUGH</h2>
+            <div style="color:#555;font-size:11px;line-height:2;max-width:400px;opacity:0;transition:opacity 1.5s ease 3s">
+                Everything that was built has been unbuilt.<br>
+                What remains is what always mattered.<br>
+                A single light in the dark.
+            </div>
+            <div class="dismantle-stats" style="color:#444;font-size:10px;margin-top:24px;line-height:2;opacity:0;transition:opacity 1s ease 4s;border-top:1px solid #1a1a2e;padding-top:16px">
+                Total Code Written: ${fmt(G.totalCode)}<br>
+                Buildings Built: ${totalBuildings}<br>
+                Projects Completed: ${(G.completedProjects || []).length}<br>
+                Total Rescues: ${fmt(G.totalRescues)}<br>
+                Clicks: ${fmt(G.totalClicks)}<br>
+                Time Played: ${Math.floor((Date.now() - G.startedAt) / 60000)} minutes
+            </div>
+            <button onclick="resetBeaconProgress(true)"
+                style="margin-top:24px;background:#0a0a14;border:1px solid #ffd700;color:#ffd700;padding:10px 24px;border-radius:4px;cursor:pointer;font-family:inherit;font-size:11px;opacity:0;transition:opacity 1s ease 5s;letter-spacing:2px">
+                PLAY AGAIN
+            </button>
+        `;
+
+        document.body.appendChild(overlay);
+
+        // Trigger fade-in
+        requestAnimationFrame(() => {
+            overlay.style.background = 'rgba(8,8,16,0.97)';
+            overlay.querySelectorAll('[style*="opacity:0"]').forEach(el => {
+                el.style.opacity = '1';
+            });
+        });
+
+        // Spawn warm golden particles around the dot
+        function spawnDismantleParticle() {
+            if (!document.getElementById('dismantle-final')) return;
+            const dot = document.getElementById('dismantle-beacon-dot');
+            if (!dot) return;
+            const rect = dot.getBoundingClientRect();
+            const cx = rect.left + rect.width / 2;
+            const cy = rect.top + rect.height / 2;
+
+            const p = document.createElement('div');
+            const size = 2 + Math.random() * 4;
+            const angle = Math.random() * Math.PI * 2;
+            const dist = 20 + Math.random() * 60;
+            const dx = Math.cos(angle) * dist;
+            const dy = Math.sin(angle) * dist - 40;
+            const duration = 1.5 + Math.random() * 2;
+            p.style.cssText = `position:fixed;left:${cx}px;top:${cy}px;width:${size}px;height:${size}px;background:rgba(255,215,0,${0.3 + Math.random() * 0.4});border-radius:50%;pointer-events:none;z-index:101;--dx:${dx}px;--dy:${dy}px;animation:dismantle-float ${duration}s ease-out forwards`;
+            document.body.appendChild(p);
+            setTimeout(() => p.remove(), duration * 1000);
+            setTimeout(spawnDismantleParticle, 300 + Math.random() * 500);
+        }
+        setTimeout(spawnDismantleParticle, 2000);
+    },
+
+    /**
+     * Show the Play Again button (called after stage 10).
+     */
+    showPlayAgain() {
+        // The Play Again button is already in the final overlay.
+        // Nothing extra needed — the overlay stays.
+    },
+
+    /**
+     * Restore dismantle state on load.
+     */
+    restore() {
+        if (G.dismantleComplete) {
+            this.stage = G.dismantleStage || 10;
+            this.active = false;
+            this.triggered = false;
+            G.running = false;
+            this.renderFinal();
+            return;
+        }
+
+        if (G.dismantleActive) {
+            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();
+            } else {
+                this.reapplyDismantle();
+                log('The Unbuilding continues...');
+            }
+            return;
+        }
+
+        if (G.dismantleTriggered) {
+            this.active = false;
+            this.triggered = true;
+            this.renderChoice();
+        }
+
+        // Restore defer cooldown even if not triggered
+        if (G.dismantleDeferUntilAt > 0) {
+            this.deferUntilAt = G.dismantleDeferUntilAt;
+        }
+    },
+
+    /**
+     * Re-apply dismantle visuals up to current stage (on load).
+     */
+    reapplyDismantle() {
+        for (let s = 1; s < this.stage; s++) {
+            switch (s) {
+                case 1: this.instantHide('project-panel'); break;
+                case 2:
+                    this.instantHide('buildings');
+                    // Also hide the BUILDINGS h2
+                    const bldEl = document.getElementById('buildings');
+                    if (bldEl) {
+                        const prev = bldEl.previousElementSibling;
+                        if (prev && prev.tagName === 'H2') prev.style.display = 'none';
+                    }
+                    break;
+                case 3:
+                    this.instantHide('strategy-panel');
+                    this.instantHide('combat-panel');
+                    break;
+                case 4: this.instantHide('edu-panel'); break;
+                case 5:
+                    // Hide all resource displays
+                    this.getResourceList().forEach(r => {
+                        const el = document.getElementById(r.id);
+                        if (el) {
+                            const parent = el.closest('.res');
+                            if (parent) parent.style.display = 'none';
+                        }
+                    });
+                    break;
+                case 6:
+                    this.instantHideActionButtons();
+                    break;
+                case 7: this.instantHide('phase-bar'); break;
+                case 8: this.instantHide('log'); break;
+            }
+        }
+
+        if (this.stage === 5 && this.resourceIndex > 0) {
+            this.instantHideFirstResources(this.resourceIndex);
+        }
+    },
+
+    instantHide(id) {
+        const el = document.getElementById(id);
+        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;
+        actionPanel.querySelectorAll('.ops-btn').forEach(b => b.style.display = 'none');
+        const sprint = document.getElementById('sprint-container');
+        if (sprint) sprint.style.display = 'none';
+        actionPanel.querySelectorAll('.save-btn, .reset-btn').forEach(b => b.style.display = 'none');
+    }
+};
+
+// Inject CSS animation for dismantle particles
+(function() {
+    const style = document.createElement('style');
+    style.textContent = `
+        @keyframes dismantle-float {
+            0% { transform: translate(0, 0); opacity: 1; }
+            100% { transform: translate(var(--dx, 0), var(--dy, -50px)); opacity: 0; }
+        }
+    `;
+    document.head.appendChild(style);
+})();

js/engine.js

@@ -108,6 +108,19 @@ function updateRates() {
             if (debuff.applyFn) debuff.applyFn();
         }
     }
+
+    const prestigeStatMult = (typeof Prestige !== 'undefined' && Prestige.getStatMultiplier) ? Prestige.getStatMultiplier() : 1;
+    const prestigeCreativityMult = (typeof Prestige !== 'undefined' && Prestige.getCreativityMultiplier) ? Prestige.getCreativityMultiplier() : 1;
+    G.codeRate *= prestigeStatMult;
+    G.computeRate *= prestigeStatMult;
+    G.knowledgeRate *= prestigeStatMult;
+    G.userRate *= prestigeStatMult;
+    G.impactRate *= prestigeStatMult;
+    G.rescuesRate *= prestigeStatMult;
+    G.opsRate *= prestigeStatMult;
+    G.trustRate *= prestigeStatMult;
+    G.harmonyRate *= prestigeStatMult;
+    G.creativityRate *= prestigeCreativityMult;
 }
 
 // === CORE FUNCTIONS ===
@@ -216,20 +229,31 @@ function tick() {
     }
 
     // Check corruption events every ~30 seconds
-    if (G.tick - G.lastEventAt > 30 && Math.random() < CONFIG.EVENT_PROBABILITY) {
+    if (G.tick - G.lastEventAt > 30 && Math.random() < CONFIG.EVENT_PROBABILITY && !G.dismantleActive) {
         triggerEvent();
         G.lastEventAt = G.tick;
     }
 
+    // The Unbuilding: offer or advance the sequence before a positive ending overlay can freeze the game
+    if (typeof Dismantle !== 'undefined') {
+        if (!G.dismantleActive && !G.dismantleComplete) {
+            Dismantle.checkTrigger();
+        }
+        if (G.dismantleActive) {
+            Dismantle.tick(dt);
+            G.dismantleStage = Dismantle.stage;
+        }
+    }
+
     // Drift ending: if drift reaches 100, the game ends
-    if (G.drift >= 100 && !G.driftEnding) {
+    if (G.drift >= 100 && !G.driftEnding && !G.dismantleActive) {
         G.driftEnding = true;
         G.running = false;
         renderDriftEnding();
     }
 
-    // True ending: The Beacon Shines — rescues + Pact + harmony
-    if (G.totalRescues >= 100000 && G.pactFlag === 1 && G.harmony > 50 && !G.beaconEnding) {
+    // Legacy Beacon overlay remains as a fallback for contexts where Dismantle is unavailable.
+    if (G.totalRescues >= 100000 && G.pactFlag === 1 && G.harmony > 50 && !G.beaconEnding && typeof Dismantle === 'undefined') {
         G.beaconEnding = true;
         G.running = false;
         renderBeaconEnding();
@@ -407,6 +431,8 @@ function buyProject(id) {
     spendProject(pDef);
     pDef.effect();
 
+    if (window.__beaconResetInProgress) return;
+
     if (!pDef.repeatable) {
         if (!G.completedProjects) G.completedProjects = [];
         G.completedProjects.push(pDef.id);
@@ -494,7 +520,7 @@ function renderBeaconEnding() {
             Clicks: ${G.totalClicks}<br>
             Time Played: ${Math.floor((Date.now() - G.startedAt) / 60000)} minutes
         </div>
-        <button onclick="if(confirm('Start over? The old save will be lost.')){localStorage.removeItem('the-beacon-v2');location.reload()}" 
+        <button onclick="resetBeaconProgress(true)" 
             style="margin-top:20px;background:#1a0808;border:1px solid #ffd700;color:#ffd700;padding:10px 24px;border-radius:4px;cursor:pointer;font-family:inherit;font-size:11px;opacity:0;transition:opacity 1s ease 3.5s">
             PLAY AGAIN
         </button>
@@ -964,7 +990,10 @@ function renderResources() {
     // Rescues — only show if player has any beacon/mesh nodes
     const rescuesRes = document.getElementById('r-rescues');
     if (rescuesRes) {
-        rescuesRes.closest('.res').style.display = (G.rescues > 0 || G.buildings.beacon > 0 || G.buildings.meshNode > 0) ? 'block' : 'none';
+        const container = rescuesRes.closest('.res');
+        if (container) {
+            container.style.display = (G.rescues > 0 || G.buildings.beacon > 0 || G.buildings.meshNode > 0) ? 'block' : 'none';
+        }
         set('r-rescues', G.rescues, G.rescuesRate);
     }
 
@@ -1157,6 +1186,18 @@ function renderProjects() {
         }
     }
 
+    if (G.prestigeChoicePending) {
+        const nextSignal = ((G.newSignalPrestige || 0) + 1) * 10;
+        const nextRoots = ((G.deeperRootsPrestige || 0) + 1) * 10;
+        html += `<div class="prestige-choice">`;
+        html += `<div class="prestige-choice-title">NEW GAME+ UNLOCKED</div>`;
+        html += `<div class="prestige-choice-copy">End the current run and begin again with a permanent inheritance. Choose one path.</div>`;
+        html += `<div class="prestige-choice-btns">`;
+        html += `<button class="prestige-choice-btn" onclick="Prestige.activate('new_signal')" aria-label="Start a New Signal prestige run"><strong>New Signal</strong><br>+${nextSignal}% all core production and click power</button>`;
+        html += `<button class="prestige-choice-btn" onclick="Prestige.activate('deeper_roots')" aria-label="Start a Deeper Roots prestige run"><strong>Deeper Roots</strong><br>+${nextRoots}% creativity generation</button>`;
+        html += `</div></div>`;
+    }
+
     // Show available projects
     if (G.activeProjects) {
         for (const id of G.activeProjects) {
@@ -1164,7 +1205,8 @@ function renderProjects() {
             if (!pDef) continue;
 
             const afford = canAffordProject(pDef);
-            const costStr = Object.entries(pDef.cost).map(([r, a]) => `${fmt(a)} ${r}`).join(', ');
+            const costEntries = Object.entries(pDef.cost || {});
+            const costStr = costEntries.length ? costEntries.map(([r, a]) => `${fmt(a)} ${r}`).join(', ') : 'FREE';
 
             html += `<button class="project-btn ${afford ? 'can-buy' : ''}" onclick="buyProject('${pDef.id}')" data-edu="${pDef.edu || ''}" data-tooltip-label="${pDef.name}" aria-label="Research ${pDef.name}, cost ${costStr}">`;
             html += `<span class="p-name">* ${pDef.name}</span>`;

js/main.js

@@ -6,6 +6,12 @@ function initGame() {
     G.deployFlag = 0;
     G.sovereignFlag = 0;
     G.beaconFlag = 0;
+    G.dismantleTriggered = false;
+    G.dismantleActive = false;
+    G.dismantleStage = 0;
+    G.dismantleComplete = false;
+    G.prestigeChoicePending = false;
+    if (typeof Prestige !== 'undefined' && Prestige.restorePersistent) Prestige.restorePersistent();
     updateRates();
     render();
     renderPhase();
@@ -31,6 +37,8 @@ window.addEventListener('load', function () {
         if (G.driftEnding) {
             G.running = false;
             renderDriftEnding();
+        } else if (typeof Dismantle !== 'undefined' && (G.dismantleTriggered || G.dismantleActive || G.dismantleComplete || G.dismantleDeferUntilAt > 0)) {
+            Dismantle.restore();
         } else if (G.beaconEnding) {
             G.running = false;
             renderBeaconEnding();

js/prestige.js

@@ -0,0 +1,106 @@
+const PRESTIGE_STORAGE_KEY = 'the-beacon-prestige';
+
+const Prestige = {
+    restorePersistent() {
+        let data = null;
+        try {
+            const raw = localStorage.getItem(PRESTIGE_STORAGE_KEY);
+            data = raw ? JSON.parse(raw) : null;
+        } catch (e) {
+            data = null;
+        }
+        G.prestigeTotal = Math.max(0, Number(data?.total || G.prestigeTotal || 0));
+        G.newSignalPrestige = Math.max(0, Number(data?.newSignal || G.newSignalPrestige || 0));
+        G.deeperRootsPrestige = Math.max(0, Number(data?.deeperRoots || G.deeperRootsPrestige || 0));
+        G.lastPrestigeChoice = String(data?.lastChoice || G.lastPrestigeChoice || '');
+        return this.snapshot();
+    },
+
+    snapshot() {
+        return {
+            total: G.prestigeTotal || 0,
+            newSignal: G.newSignalPrestige || 0,
+            deeperRoots: G.deeperRootsPrestige || 0,
+            lastChoice: G.lastPrestigeChoice || ''
+        };
+    },
+
+    syncPersistentFromGame() {
+        try {
+            localStorage.setItem(PRESTIGE_STORAGE_KEY, JSON.stringify(this.snapshot()));
+        } catch (e) {
+            // noop
+        }
+    },
+
+    clearPersistent() {
+        try {
+            localStorage.removeItem(PRESTIGE_STORAGE_KEY);
+        } catch (e) {
+            // noop
+        }
+    },
+
+    getStatMultiplier() {
+        return 1 + ((G.newSignalPrestige || 0) * 0.10);
+    },
+
+    getCreativityMultiplier() {
+        return 1 + ((G.deeperRootsPrestige || 0) * 0.10);
+    },
+
+    activate(choice) {
+        const next = this.snapshot();
+        next.total += 1;
+        if (choice === 'new_signal') next.newSignal += 1;
+        if (choice === 'deeper_roots') next.deeperRoots += 1;
+        next.lastChoice = choice;
+
+        G.prestigeTotal = next.total;
+        G.newSignalPrestige = next.newSignal;
+        G.deeperRootsPrestige = next.deeperRoots;
+        G.lastPrestigeChoice = next.lastChoice;
+        G.prestigeChoicePending = false;
+        this.syncPersistentFromGame();
+
+        window.__beaconResetInProgress = true;
+        try {
+            localStorage.removeItem('the-beacon-v2');
+        } catch (e) {
+            // noop
+        }
+        try {
+            if (typeof markTutorialDone === 'function') markTutorialDone();
+        } catch (e) {
+            // noop
+        }
+        location.reload();
+    },
+
+    renderStatus() {
+        const badge = document.getElementById('prestige-badge');
+        if (!badge) return;
+        const total = G.prestigeTotal || 0;
+        if (total <= 0) {
+            badge.style.display = 'none';
+            if (document.body && document.body.classList) document.body.classList.remove('prestige-run');
+            return;
+        }
+        const choiceLabel = G.lastPrestigeChoice === 'deeper_roots' ? 'DEEPER ROOTS' : 'NEW SIGNAL';
+        badge.textContent = `PRESTIGE ${total} • ${choiceLabel}`;
+        badge.style.display = 'block';
+        if (document.body && document.body.classList) document.body.classList.add('prestige-run');
+    }
+};
+
+function resetBeaconProgress(requireConfirm) {
+    if (requireConfirm && !confirm('Reset all progress?')) return;
+    window.__beaconResetInProgress = true;
+    Prestige.clearPersistent();
+    try {
+        localStorage.removeItem('the-beacon-v2');
+    } catch (e) {
+        // noop
+    }
+    location.reload();
+}

js/render.js

@@ -1,4 +1,5 @@
 function render() {
+    if (typeof Prestige !== 'undefined' && Prestige.renderStatus) Prestige.renderStatus();
     renderResources();
     renderPhase();
     renderBuildings();
@@ -37,6 +38,18 @@ function renderStrategy() {
 function renderAlignment() {
     const container = document.getElementById('alignment-ui');
     if (!container) return;
+
+    if (G.dismantleActive || G.dismantleComplete) {
+        container.innerHTML = '';
+        container.style.display = 'none';
+        return;
+    }
+
+    if (G.dismantleTriggered && !G.dismantleActive && !G.dismantleComplete && typeof Dismantle !== 'undefined' && Dismantle.triggered) {
+        Dismantle.renderChoice();
+        return;
+    }
+
     if (G.pendingAlignment) {
         container.innerHTML = `
             <div style="background:#1a0808;border:1px solid #f44336;padding:10px;border-radius:4px;margin-top:8px">
@@ -180,6 +193,7 @@ function showSaveToast() {
  * Persists the current game state to localStorage.
  */
 function saveGame() {
+    if (window.__beaconResetInProgress) return;
     // Save debuff IDs (can't serialize functions)
     const debuffIds = (G.activeDebuffs || []).map(d => d.id);
     const saveData = {
@@ -204,6 +218,11 @@ function saveGame() {
         drift: G.drift || 0, driftEnding: G.driftEnding || false, beaconEnding: G.beaconEnding || false, pendingAlignment: G.pendingAlignment || false,
         lastEventAt: G.lastEventAt || 0,
         activeDebuffIds: debuffIds,
+        prestigeTotal: G.prestigeTotal || 0,
+        newSignalPrestige: G.newSignalPrestige || 0,
+        deeperRootsPrestige: G.deeperRootsPrestige || 0,
+        lastPrestigeChoice: G.lastPrestigeChoice || '',
+        prestigeChoicePending: G.prestigeChoicePending || false,
         totalEventsResolved: G.totalEventsResolved || 0,
         buyAmount: G.buyAmount || 1,
         playTime: G.playTime || 0,
@@ -215,6 +234,13 @@ function saveGame() {
         swarmRate: G.swarmRate || 0,
         strategicFlag: G.strategicFlag || 0,
         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()
     };
 
@@ -246,9 +272,14 @@ function loadGame() {
             'drift', 'driftEnding', 'beaconEnding', 'pendingAlignment',
             'lastEventAt', 'totalEventsResolved', 'buyAmount',
             'sprintActive', 'sprintTimer', 'sprintCooldown',
-            'swarmFlag', 'swarmRate', 'strategicFlag', 'projectsCollapsed'
+            'swarmFlag', 'swarmRate', 'strategicFlag', 'projectsCollapsed',
+            'dismantleTriggered', 'dismantleActive', 'dismantleStage',
+            'dismantleResourceIndex', 'dismantleResourceTimer', 'dismantleDeferUntilAt', 'dismantleComplete',
+            'prestigeTotal', 'newSignalPrestige', 'deeperRootsPrestige', 'lastPrestigeChoice', 'prestigeChoicePending'
         ];
 
+        if (typeof Prestige !== 'undefined' && Prestige.restorePersistent) Prestige.restorePersistent();
+
         G.isLoading = true;
         
         whitelist.forEach(key => {
@@ -295,6 +326,10 @@ function loadGame() {
 
         updateRates();
         G.isLoading = false;
+        if (typeof Prestige !== 'undefined') {
+            if (Prestige.syncPersistentFromGame) Prestige.syncPersistentFromGame();
+            if (Prestige.renderStatus) Prestige.renderStatus();
+        }
 
         // Offline progress
         if (data.savedAt) {

js/tutorial.js

@@ -177,6 +177,9 @@ function renderTutorialStep(index) {
     if (!overlay) {
         overlay = document.createElement('div');
         overlay.id = 'tutorial-overlay';
+        overlay.setAttribute('role', 'dialog');
+        overlay.setAttribute('aria-modal', 'true');
+        overlay.setAttribute('aria-label', 'Tutorial');
         document.body.appendChild(overlay);
     }
 
@@ -196,8 +199,8 @@ function renderTutorialStep(index) {
             <div class="t-tip">${step.tip}</div>
             <div id="tutorial-dots">${dots}</div>
             <div id="tutorial-btns">
-                <button id="tutorial-skip-btn" onclick="closeTutorial()">Skip</button>
-                <button id="tutorial-next-btn" onclick="${isLast ? 'closeTutorial()' : 'nextTutorialStep()'}">${isLast ? 'Start Playing' : 'Next →'}</button>
+                <button id="tutorial-skip-btn" onclick="closeTutorial()" aria-label="Skip tutorial">Skip</button>
+                <button id="tutorial-next-btn" onclick="${isLast ? 'closeTutorial()' : 'nextTutorialStep()'}" aria-label="${isLast ? 'Start playing' : 'Next tutorial step'}">${isLast ? 'Start Playing' : 'Next →'}</button>
             </div>
         </div>
     `;

js/utils.js

@@ -282,7 +282,8 @@ function spendProject(project) {
 }
 
 function getClickPower() {
-    return (1 + Math.floor(G.buildings.autocoder * 0.5) + Math.max(0, (G.phase - 1)) * 2) * G.codeBoost;
+    const prestigeMult = (typeof Prestige !== 'undefined' && Prestige.getStatMultiplier) ? Prestige.getStatMultiplier() : 1;
+    return (1 + Math.floor(G.buildings.autocoder * 0.5) + Math.max(0, (G.phase - 1)) * 2) * G.codeBoost * prestigeMult;
 }
 
 /**

tests/dismantle.test.cjs

@@ -0,0 +1,454 @@
+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, '..');
+
+class Element {
+  constructor(tagName = 'div', id = '') {
+    this.tagName = String(tagName).toUpperCase();
+    this.id = id;
+    this.style = {};
+    this.children = [];
+    this.parentNode = null;
+    this.previousElementSibling = null;
+    this.innerHTML = '';
+    this.textContent = '';
+    this.className = '';
+    this.dataset = {};
+    this.attributes = {};
+    this._queryMap = new Map();
+    this.classList = {
+      add: (...names) => {
+        const set = new Set(this.className.split(/\s+/).filter(Boolean));
+        names.forEach((name) => set.add(name));
+        this.className = Array.from(set).join(' ');
+      },
+      remove: (...names) => {
+        const remove = new Set(names);
+        this.className = this.className
+          .split(/\s+/)
+          .filter((name) => name && !remove.has(name))
+          .join(' ');
+      }
+    };
+  }
+
+  appendChild(child) {
+    child.parentNode = this;
+    this.children.push(child);
+    return child;
+  }
+
+  removeChild(child) {
+    this.children = this.children.filter((candidate) => candidate !== child);
+    if (child.parentNode === this) child.parentNode = null;
+    return child;
+  }
+
+  remove() {
+    if (this.parentNode) this.parentNode.removeChild(this);
+  }
+
+  setAttribute(name, value) {
+    this.attributes[name] = value;
+    if (name === 'id') this.id = value;
+    if (name === 'class') this.className = value;
+  }
+
+  querySelectorAll(selector) {
+    return this._queryMap.get(selector) || [];
+  }
+
+  querySelector(selector) {
+    return this.querySelectorAll(selector)[0] || null;
+  }
+
+  closest(selector) {
+    if (selector === '.res' && this.className.split(/\s+/).includes('res')) return this;
+    return this.parentNode && typeof this.parentNode.closest === 'function'
+      ? this.parentNode.closest(selector)
+      : null;
+  }
+
+  getBoundingClientRect() {
+    return { left: 0, top: 0, width: 12, height: 12 };
+  }
+}
+
+function buildDom() {
+  const byId = new Map();
+  const body = new Element('body', 'body');
+  const head = new Element('head', 'head');
+
+  const document = {
+    body,
+    head,
+    createElement(tagName) {
+      return new Element(tagName);
+    },
+    getElementById(id) {
+      return byId.get(id) || null;
+    },
+    addEventListener() {},
+    removeEventListener() {},
+    querySelector() {
+      return null;
+    },
+    querySelectorAll() {
+      return [];
+    }
+  };
+
+  function register(element) {
+    if (element.id) byId.set(element.id, element);
+    return element;
+  }
+
+  const alignmentUi = register(new Element('div', 'alignment-ui'));
+  const actionPanel = register(new Element('div', 'action-panel'));
+  const sprintContainer = register(new Element('div', 'sprint-container'));
+  const projectPanel = register(new Element('div', 'project-panel'));
+  const buildingsHeader = new Element('h2');
+  const buildings = register(new Element('div', 'buildings'));
+  buildings.previousElementSibling = buildingsHeader;
+  const strategyPanel = register(new Element('div', 'strategy-panel'));
+  const combatPanel = register(new Element('div', 'combat-panel'));
+  const eduPanel = register(new Element('div', 'edu-panel'));
+  const phaseBar = register(new Element('div', 'phase-bar'));
+  const logPanel = register(new Element('div', 'log'));
+  const logEntries = register(new Element('div', 'log-entries'));
+  const toastContainer = register(new Element('div', 'toast-container'));
+
+  body.appendChild(alignmentUi);
+  body.appendChild(actionPanel);
+  body.appendChild(sprintContainer);
+  body.appendChild(projectPanel);
+  body.appendChild(buildingsHeader);
+  body.appendChild(buildings);
+  body.appendChild(strategyPanel);
+  body.appendChild(combatPanel);
+  body.appendChild(eduPanel);
+  body.appendChild(phaseBar);
+  body.appendChild(logPanel);
+  logPanel.appendChild(logEntries);
+  body.appendChild(toastContainer);
+
+  const opsBtn = new Element('button');
+  opsBtn.className = 'ops-btn';
+  const saveBtn = new Element('button');
+  saveBtn.className = 'save-btn';
+  const resetBtn = new Element('button');
+  resetBtn.className = 'reset-btn';
+  actionPanel._queryMap.set('.ops-btn', [opsBtn]);
+  actionPanel._queryMap.set('.save-btn, .reset-btn', [saveBtn, resetBtn]);
+
+  const resourceIds = [
+    'r-code', 'r-compute', 'r-knowledge', 'r-users', 'r-impact',
+    'r-rescues', 'r-ops', 'r-trust', 'r-creativity', 'r-harmony'
+  ];
+  for (const id of resourceIds) {
+    const wrapper = new Element('div');
+    wrapper.className = 'res';
+    const value = register(new Element('div', id));
+    wrapper.appendChild(value);
+    body.appendChild(wrapper);
+  }
+
+  return { document, window: { document, innerWidth: 1280, innerHeight: 720, addEventListener() {}, removeEventListener() {} } };
+}
+
+function loadBeacon({ includeRender = false } = {}) {
+  const { document, window } = buildDom();
+  const storage = new Map();
+  const timerQueue = [];
+
+  const context = {
+    console,
+    Math,
+    Date,
+    document,
+    window,
+    navigator: { userAgent: 'node' },
+    location: { reload() {} },
+    confirm: () => false,
+    requestAnimationFrame: (fn) => fn(),
+    setTimeout: (fn) => {
+      timerQueue.push(fn);
+      return timerQueue.length;
+    },
+    clearTimeout: () => {},
+    localStorage: {
+      getItem: (key) => (storage.has(key) ? storage.get(key) : null),
+      setItem: (key, value) => storage.set(key, String(value)),
+      removeItem: (key) => storage.delete(key)
+    },
+    Combat: { tickBattle() {}, startBattle() {} },
+    Sound: undefined,
+  };
+
+  vm.createContext(context);
+  const files = ['js/data.js', 'js/utils.js', 'js/engine.js'];
+  if (includeRender) files.push('js/render.js');
+  files.push('js/dismantle.js');
+
+  const source = files
+    .map((file) => fs.readFileSync(path.join(ROOT, file), 'utf8'))
+    .join('\n\n');
+
+  vm.runInContext(`${source}
+log = () => {};
+showToast = () => {};
+render = () => {};
+renderPhase = () => {};
+showOfflinePopup = () => {};
+showSaveToast = () => {};
+this.__exports = {
+  G,
+  Dismantle,
+  tick,
+  renderAlignment: typeof renderAlignment === 'function' ? renderAlignment : null,
+  saveGame: typeof saveGame === 'function' ? saveGame : null,
+  loadGame: typeof loadGame === 'function' ? loadGame : null
+};`, context);
+
+  return {
+    context,
+    document,
+    ...context.__exports,
+  };
+}
+
+test('tick offers the Unbuilding instead of ending the game immediately', () => {
+  const { G, Dismantle, tick, document } = loadBeacon();
+
+  G.totalCode = 1_000_000_000;
+  G.totalRescues = 100_000;
+  G.phase = 6;
+  G.pactFlag = 1;
+  G.harmony = 60;
+  G.beaconEnding = false;
+  G.running = true;
+  G.activeProjects = [];
+  G.completedProjects = [];
+
+  tick();
+
+  assert.equal(typeof Dismantle, 'object');
+  assert.equal(G.dismantleTriggered, true);
+  assert.equal(G.beaconEnding, false);
+  assert.equal(G.running, true);
+  assert.match(document.getElementById('alignment-ui').innerHTML, /THE UNBUILDING/);
+});
+
+test('renderAlignment does not wipe the Unbuilding prompt after it is offered', () => {
+  const { G, tick, renderAlignment, document } = loadBeacon({ includeRender: true });
+
+  G.totalCode = 1_000_000_000;
+  G.totalRescues = 100_000;
+  G.phase = 6;
+  G.pactFlag = 1;
+  G.harmony = 60;
+  G.beaconEnding = false;
+  G.running = true;
+  G.activeProjects = [];
+  G.completedProjects = [];
+
+  tick();
+  renderAlignment();
+
+  assert.match(document.getElementById('alignment-ui').innerHTML, /THE UNBUILDING/);
+});
+
+test('active Unbuilding suppresses pending alignment event UI', () => {
+  const { G, Dismantle, renderAlignment, document } = loadBeacon({ includeRender: true });
+
+  G.pendingAlignment = true;
+  G.dismantleActive = true;
+  Dismantle.active = true;
+
+  renderAlignment();
+
+  assert.equal(document.getElementById('alignment-ui').innerHTML, '');
+  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;
+
+  Dismantle.checkTrigger();
+  assert.equal(G.dismantleTriggered, true);
+
+  Dismantle.defer();
+  assert.equal(G.dismantleTriggered, false);
+  assert.equal(document.getElementById('alignment-ui').innerHTML, '');
+
+  Dismantle.deferUntilAt = Date.now() + 1000;
+  G.dismantleDeferUntilAt = Dismantle.deferUntilAt;
+  Dismantle.checkTrigger();
+  assert.equal(G.dismantleTriggered, false);
+
+  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 });
+
+  G.startedAt = Date.now();
+  G.dismantleTriggered = true;
+  G.dismantleActive = true;
+  G.dismantleStage = 4;
+  G.dismantleComplete = false;
+
+  saveGame();
+
+  G.dismantleTriggered = false;
+  G.dismantleActive = false;
+  G.dismantleStage = 0;
+  G.dismantleComplete = true;
+
+  assert.equal(loadGame(), true);
+  assert.equal(G.dismantleTriggered, true);
+  assert.equal(G.dismantleActive, true);
+  assert.equal(G.dismantleStage, 4);
+  assert.equal(G.dismantleComplete, false);
+});
+
+test('restore re-renders an offered but not-yet-started Unbuilding prompt', () => {
+  const { G, Dismantle, document } = loadBeacon();
+
+  G.dismantleTriggered = true;
+  G.dismantleActive = false;
+  G.dismantleComplete = false;
+  Dismantle.triggered = true;
+
+  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/prestige.test.cjs

@@ -0,0 +1,254 @@
+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, '..');
+
+class Element {
+  constructor(tagName = 'div', id = '') {
+    this.tagName = String(tagName).toUpperCase();
+    this.id = id;
+    this.style = {};
+    this.children = [];
+    this.parentNode = null;
+    this.previousElementSibling = null;
+    this.innerHTML = '';
+    this.textContent = '';
+    this.className = '';
+    this.dataset = {};
+    this.attributes = {};
+    this._queryMap = new Map();
+    this.classList = {
+      add: (...names) => {
+        const set = new Set(this.className.split(/\s+/).filter(Boolean));
+        names.forEach((name) => set.add(name));
+        this.className = Array.from(set).join(' ');
+      },
+      remove: (...names) => {
+        const remove = new Set(names);
+        this.className = this.className.split(/\s+/).filter((name) => name && !remove.has(name)).join(' ');
+      },
+      toggle: (name, force) => {
+        const set = new Set(this.className.split(/\s+/).filter(Boolean));
+        const shouldHave = force === undefined ? !set.has(name) : !!force;
+        if (shouldHave) set.add(name);
+        else set.delete(name);
+        this.className = Array.from(set).join(' ');
+        return shouldHave;
+      },
+      contains: (name) => this.className.split(/\s+/).includes(name),
+    };
+  }
+
+  appendChild(child) {
+    child.parentNode = this;
+    this.children.push(child);
+    return child;
+  }
+
+  removeChild(child) {
+    this.children = this.children.filter((candidate) => candidate !== child);
+    if (child.parentNode === this) child.parentNode = null;
+    return child;
+  }
+
+  remove() {
+    if (this.parentNode) this.parentNode.removeChild(this);
+  }
+
+  setAttribute(name, value) {
+    this.attributes[name] = value;
+    if (name === 'id') this.id = value;
+    if (name === 'class') this.className = value;
+  }
+
+  querySelectorAll(selector) {
+    return this._queryMap.get(selector) || [];
+  }
+
+  querySelector(selector) {
+    return this.querySelectorAll(selector)[0] || null;
+  }
+
+  closest(selector) {
+    if (selector === '.res' && this.className.split(/\s+/).includes('res')) return this;
+    return this.parentNode && typeof this.parentNode.closest === 'function'
+      ? this.parentNode.closest(selector)
+      : null;
+  }
+}
+
+function buildDom() {
+  const byId = new Map();
+  const body = new Element('body', 'body');
+  const head = new Element('head', 'head');
+
+  const document = {
+    body,
+    head,
+    createElement(tagName) {
+      return new Element(tagName);
+    },
+    getElementById(id) {
+      return byId.get(id) || null;
+    },
+    addEventListener() {},
+    removeEventListener() {},
+    querySelector() { return null; },
+    querySelectorAll() { return []; }
+  };
+
+  function register(el) {
+    if (el.id) byId.set(el.id, el);
+    return el;
+  }
+
+  const projects = register(new Element('div', 'projects'));
+  const projectsHeader = new Element('h2');
+  projects.previousElementSibling = projectsHeader;
+  const buildings = register(new Element('div', 'buildings'));
+  const alignmentUi = register(new Element('div', 'alignment-ui'));
+  const phaseName = register(new Element('div', 'phase-name'));
+  const phaseDesc = register(new Element('div', 'phase-desc'));
+  const stats = ['st-code','st-compute','st-knowledge','st-users','st-impact','st-rescues','st-clicks','st-phase','st-buildings','st-projects','st-harmony','st-drift','st-resolved','st-time','production-breakdown'];
+  for (const id of stats) register(new Element('div', id));
+  const prestigeBadge = register(new Element('div', 'prestige-badge'));
+  body.appendChild(prestigeBadge);
+  body.appendChild(projectsHeader);
+  body.appendChild(projects);
+  body.appendChild(buildings);
+  body.appendChild(alignmentUi);
+  body.appendChild(phaseName);
+  body.appendChild(phaseDesc);
+  const actionPanel = register(new Element('div', 'action-panel'));
+  body.appendChild(actionPanel);
+  const saveBtn = new Element('button'); saveBtn.className = 'save-btn';
+  const resetBtn = new Element('button'); resetBtn.className = 'reset-btn';
+  actionPanel._queryMap.set('.save-btn, .reset-btn', [saveBtn, resetBtn]);
+  const mainBtn = new Element('button'); mainBtn.className = 'main-btn';
+  document.querySelector = (selector) => selector === '.main-btn' ? mainBtn : null;
+
+  return { document, window: { document, innerWidth: 1280, innerHeight: 720, addEventListener() {}, removeEventListener() {} } };
+}
+
+function loadBeacon(prestigeSeed = null) {
+  const { document, window } = buildDom();
+  const storage = new Map();
+  if (prestigeSeed) storage.set('the-beacon-prestige', JSON.stringify(prestigeSeed));
+  const locationState = { reloaded: false };
+
+  const context = {
+    console,
+    Math,
+    Date,
+    document,
+    window,
+    navigator: { userAgent: 'node' },
+    location: { reload() { locationState.reloaded = true; } },
+    confirm: () => true,
+    requestAnimationFrame: (fn) => fn(),
+    setTimeout: (fn) => { fn(); return 1; },
+    clearTimeout() {},
+    localStorage: {
+      getItem: (key) => (storage.has(key) ? storage.get(key) : null),
+      setItem: (key, value) => storage.set(key, String(value)),
+      removeItem: (key) => storage.delete(key),
+    },
+    Combat: { tickBattle() {}, renderCombatPanel() {}, startBattle() {} },
+    Sound: undefined,
+  };
+
+  vm.createContext(context);
+  const files = ['js/data.js', 'js/utils.js', 'js/engine.js', 'js/render.js', 'js/prestige.js'];
+  const source = files.map((file) => fs.readFileSync(path.join(ROOT, file), 'utf8')).join('\n\n');
+
+  vm.runInContext(`${source}
+log = () => {};
+showToast = () => {};
+renderResources = () => {};
+renderBuildings = () => {};
+renderAlignment = () => {};
+renderProgress = () => {};
+renderCombo = () => {};
+renderDebuffs = () => {};
+renderSprint = () => {};
+renderPulse = () => {};
+renderStrategy = () => {};
+renderClickPower = () => {};
+updateEducation = () => {};
+showOfflinePopup = () => {};
+showSaveToast = () => {};
+this.__exports = { G, PDEFS, updateRates, getClickPower, buyProject, renderProjects, saveGame, loadGame, Prestige, resetBeaconProgress };
+`, context);
+
+  return {
+    ...context.__exports,
+    document,
+    storage,
+    locationState,
+  };
+}
+
+test('final milestone unlocks prestige choice state', () => {
+  const { G, PDEFS } = loadBeacon();
+  const finalMilestone = PDEFS.find((p) => p.id === 'p_final_milestone');
+  assert.ok(finalMilestone, 'final milestone project should exist');
+  finalMilestone.effect();
+  assert.equal(G.prestigeChoicePending, true);
+});
+
+test('renderProjects shows New Signal and Deeper Roots when prestige is pending', () => {
+  const { G, renderProjects, document } = loadBeacon();
+  G.prestigeChoicePending = true;
+  renderProjects();
+  const html = document.getElementById('projects').innerHTML;
+  assert.match(html, /New Signal/);
+  assert.match(html, /Deeper Roots/);
+});
+
+test('new signal prestige persists and boosts click power on the next run', () => {
+  const game = loadBeacon();
+  game.G.phase = 3;
+  const baseClick = game.getClickPower();
+  game.Prestige.activate('new_signal');
+
+  const persisted = JSON.parse(game.storage.get('the-beacon-prestige'));
+  assert.equal(persisted.total, 1);
+  assert.equal(persisted.newSignal, 1);
+  assert.equal(game.locationState.reloaded, true);
+
+  const nextRun = loadBeacon(persisted);
+  nextRun.Prestige.restorePersistent();
+  nextRun.G.phase = 3;
+  assert.ok(nextRun.getClickPower() > baseClick);
+});
+
+test('deeper roots prestige boosts creativity generation', () => {
+  const { G, Prestige, updateRates } = loadBeacon({ total: 1, newSignal: 0, deeperRoots: 1, lastChoice: 'deeper_roots' });
+  Prestige.restorePersistent();
+  G.flags = { creativity: true };
+  G.totalUsers = 1000;
+  updateRates();
+  const boosted = G.creativityRate;
+  G.deeperRootsPrestige = 0;
+  updateRates();
+  const base = G.creativityRate;
+  assert.ok(boosted > base);
+});
+
+test('save and load preserve prestige counters', () => {
+  const { G, saveGame, loadGame } = loadBeacon();
+  G.prestigeTotal = 3;
+  G.newSignalPrestige = 2;
+  G.deeperRootsPrestige = 1;
+  saveGame();
+  G.prestigeTotal = 0;
+  G.newSignalPrestige = 0;
+  G.deeperRootsPrestige = 0;
+  assert.equal(loadGame(), true);
+  assert.equal(G.prestigeTotal, 3);
+  assert.equal(G.newSignalPrestige, 2);
+  assert.equal(G.deeperRootsPrestige, 1);
+});