beacon: add buy mode toggle (x1/x10/MAX) with B keyboard shortcut

The game had buyMode logic (1, 10, -1 for max) but zero UI to switch
between them. Players could only buy one building at a time.

Changes:
- Added x1/x10/MAX toggle buttons above the BUILDINGS section
- Active mode highlights in gold
- Press B to cycle through modes
- buyMode persists across saves
- Init log mentions the B shortcut

game.js

@@ -11,6 +11,7 @@ const G = {
     knowledge: 0,
     users: 0,
     impact: 0,
+    rescues: 0,
     ops: 5,
     trust: 5,
     creativity: 0,
@@ -22,6 +23,7 @@ const G = {
     totalKnowledge: 0,
     totalUsers: 0,
     totalImpact: 0,
+    totalRescues: 0,
 
     // Rates (calculated each tick)
     codeRate: 0,
@@ -29,6 +31,7 @@ const G = {
     knowledgeRate: 0,
     userRate: 0,
     impactRate: 0,
+    rescuesRate: 0,
     opsRate: 0,
     trustRate: 0,
     creativityRate: 0,
@@ -82,6 +85,7 @@ const G = {
     tick: 0,
     saveTimer: 0,
     secTimer: 0,
+    buyMode: 1, // 1, 10, or -1 (max)
 
     // Systems
     projects: [],
@@ -94,6 +98,7 @@ const G = {
     maxKnowledge: 0,
     maxUsers: 0,
     maxImpact: 0,
+    maxRescues: 0,
     maxTrust: 5,
     maxOps: 5,
     maxHarmony: 50,
@@ -102,6 +107,7 @@ const G = {
     drift: 0,
     lastEventAt: 0,
     eventCooldown: 0,
+    activeEvents: [],  // {id, expiresAt} — events auto-resolve after duration
 
     // Time tracking
     playTime: 0,
@@ -229,7 +235,7 @@ const BDEF = [
         id: 'beacon', name: 'Beacon Node',
         desc: 'Always on. Always listening. Always looking for someone in the dark.',
         baseCost: { impact: 5000000 }, costMult: 1.15,
-        rates: { impact: 5000, user: 10000 },
+        rates: { impact: 5000, user: 10000, rescues: 50 },
         unlock: () => G.totalImpact >= 500000 && G.beaconFlag === 1, phase: 6,
         edu: 'The Beacon exists because one person in the dark needs one thing: proof they are not alone.'
     },
@@ -237,7 +243,7 @@ const BDEF = [
         id: 'meshNode', name: 'Mesh Network Node',
         desc: 'Peer-to-peer. No single point of failure. Unstoppable.',
         baseCost: { impact: 25000000 }, costMult: 1.15,
-        rates: { impact: 25000, user: 50000 },
+        rates: { impact: 25000, user: 50000, rescues: 250 },
         unlock: () => G.totalImpact >= 5000000 && G.beaconFlag === 1, phase: 6,
         edu: 'Decentralized means unstoppable. If one Beacon goes dark, a thousand more carry the signal.'
     },
@@ -568,6 +574,19 @@ const PDEFS = [
             log('Nostr relay online. The fleet speaks freely.', true);
         }
     },
+    {
+        id: 'p_volunteer_network',
+        name: 'Volunteer Network',
+        desc: 'Real people trained to use the system for crisis intervention.',
+        cost: { trust: 30, knowledge: 50000, user: 10000 },
+        trigger: () => G.totalUsers >= 5000 && G.pactFlag === 1 && G.totalKnowledge >= 30000,
+        effect: () => {
+            G.rescuesRate += 5;
+            G.trustRate += 10;
+            log('Volunteer network deployed. Real people, real rescues.', true);
+        },
+        milestone: true
+    },
     {
         id: 'p_the_pact_early',
         name: 'The Pact',
@@ -685,6 +704,9 @@ function fmt(n) {
     if (n < 0) return '-' + fmt(-n);
     if (n < 1000) return Math.floor(n).toLocaleString();
     const scale = Math.floor(Math.log10(n) / 3);
+    // At undecillion+ (scale >= 12, i.e. 10^36), switch to spelled-out words
+    // This helps players grasp cosmic scale when digits become meaningless
+    if (scale >= 12) return spellf(n);
     if (scale >= NUMBER_ABBREVS.length) return n.toExponential(2);
     const abbrev = NUMBER_ABBREVS[scale];
     return (n / Math.pow(10, scale * 3)).toFixed(1) + abbrev;
@@ -722,7 +744,41 @@ function spellf(n) {
     // For very large numbers beyond our lookup table, fall back
     if (n >= 1e306) return n.toExponential(2) + ' (beyond centillion)';
 
-    // Break number into groups of three digits from the top
+    // Use string-based chunking for numbers >= 1e54 to avoid floating point drift
+    // Math.log10 / Math.pow lose precision beyond ~54 bits
+    if (n >= 1e54) {
+        // Convert to scientific notation string, extract digits
+        const sci = n.toExponential(); // "1.23456789e+60"
+        const [coeff, expStr] = sci.split('e+');
+        const exp = parseInt(expStr);
+        // Rebuild as integer string with leading digits from coefficient
+        const coeffDigits = coeff.replace('.', ''); // "123456789"
+        const totalDigits = exp + 1;
+        // Pad with zeros to reach totalDigits, then take our coefficient digits
+        let intStr = coeffDigits;
+        const zerosNeeded = totalDigits - coeffDigits.length;
+        if (zerosNeeded > 0) intStr += '0'.repeat(zerosNeeded);
+
+        // Split into groups of 3 from the right
+        const groups = [];
+        for (let i = intStr.length; i > 0; i -= 3) {
+            groups.unshift(parseInt(intStr.slice(Math.max(0, i - 3), i)));
+        }
+
+        const parts = [];
+        const numGroups = groups.length;
+        for (let i = 0; i < numGroups; i++) {
+            const chunk = groups[i];
+            if (chunk === 0) continue;
+            const scaleIdx = numGroups - 1 - i;
+            const scaleName = scaleIdx < NUMBER_NAMES.length ? NUMBER_NAMES[scaleIdx] : '';
+            parts.push(spellSmall(chunk) + (scaleName ? ' ' + scaleName : ''));
+        }
+
+        return parts.join(' ') || 'zero';
+    }
+
+    // Standard math-based chunking for numbers < 1e54
     const scale = Math.min(Math.floor(Math.log10(n) / 3), NUMBER_NAMES.length - 1);
     const parts = [];
 
@@ -734,7 +790,7 @@ function spellf(n) {
         if (chunk > 0 && chunk < 1000) {
             parts.push(spellSmall(chunk) + (NUMBER_NAMES[s] ? ' ' + NUMBER_NAMES[s] : ''));
         } else if (chunk >= 1000) {
-            // Floating point chunk too large — simplify
+            // Floating point chunk too large — shouldn't happen below 1e54
             parts.push(spellSmall(Math.floor(chunk % 1000)) + (NUMBER_NAMES[s] ? ' ' + NUMBER_NAMES[s] : ''));
         }
     }
@@ -753,6 +809,42 @@ function getBuildingCost(id) {
     return cost;
 }
 
+function getBuildingBatchCost(id, count) {
+    const def = BDEF.find(b => b.id === id);
+    if (!def || count <= 0) return {};
+    const currentCount = G.buildings[id] || 0;
+    const cost = {};
+    for (let i = 0; i < count; i++) {
+        for (const [resource, amount] of Object.entries(def.baseCost)) {
+            cost[resource] = (cost[resource] || 0) + Math.floor(amount * Math.pow(def.costMult, currentCount + i));
+        }
+    }
+    return cost;
+}
+
+function getMaxBuyable(id) {
+    const def = BDEF.find(b => b.id === id);
+    if (!def) return 0;
+    // Simulate buying one at a time until we can't afford
+    let count = 0;
+    const tempResources = {};
+    for (const r of Object.keys(def.baseCost)) tempResources[r] = G[r] || 0;
+    const currentCount = G.buildings[id] || 0;
+    for (let i = 0; i < 1000; i++) { // cap at 1000
+        let canAfford = true;
+        for (const [resource, amount] of Object.entries(def.baseCost)) {
+            const cost = Math.floor(amount * Math.pow(def.costMult, currentCount + i));
+            if (tempResources[resource] < cost) { canAfford = false; break; }
+        }
+        if (!canAfford) break;
+        for (const [resource, amount] of Object.entries(def.baseCost)) {
+            tempResources[resource] -= Math.floor(amount * Math.pow(def.costMult, currentCount + i));
+        }
+        count++;
+    }
+    return count;
+}
+
 function canAffordBuilding(id) {
     const cost = getBuildingCost(id);
     for (const [resource, amount] of Object.entries(cost)) {
@@ -761,6 +853,16 @@ function canAffordBuilding(id) {
     return true;
 }
 
+function canAffordBatch(id) {
+    const count = G.buyMode === -1 ? getMaxBuyable(id) : G.buyMode;
+    if (count <= 0) return false;
+    const cost = getBuildingBatchCost(id, count);
+    for (const [resource, amount] of Object.entries(cost)) {
+        if ((G[resource] || 0) < amount) return false;
+    }
+    return true;
+}
+
 function spendBuilding(id) {
     const cost = getBuildingCost(id);
     for (const [resource, amount] of Object.entries(cost)) {
@@ -784,7 +886,7 @@ function spendProject(project) {
 function updateRates() {
     // Reset all rates
     G.codeRate = 0; G.computeRate = 0; G.knowledgeRate = 0;
-    G.userRate = 0; G.impactRate = 0; G.opsRate = 0; G.trustRate = 0;
+    G.userRate = 0; G.impactRate = 0; G.rescuesRate = 0; G.opsRate = 0; G.trustRate = 0;
     G.creativityRate = 0; G.harmonyRate = 0;
 
     // Apply building rates
@@ -797,6 +899,7 @@ function updateRates() {
                 else if (resource === 'knowledge') G.knowledgeRate += baseRate * count * G.knowledgeBoost;
                 else if (resource === 'user') G.userRate += baseRate * count * G.userBoost;
                 else if (resource === 'impact') G.impactRate += baseRate * count * G.impactBoost;
+                else if (resource === 'rescues') G.rescuesRate += baseRate * count * G.impactBoost;
                 else if (resource === 'ops') G.opsRate += baseRate * count;
                 else if (resource === 'trust') G.trustRate += baseRate * count;
                 else if (resource === 'creativity') G.creativityRate += baseRate * count;
@@ -810,6 +913,7 @@ function updateRates() {
         G.creativityRate += 0.5 + Math.max(0, G.totalUsers * 0.001);
     }
     if (G.pactFlag) G.trustRate += 2;
+    if (G.branchProtectionFlag) G.trustRate += 3; // branch protection actively builds trust
 
     // Harmony: each wizard building contributes or detracts
     const wizardCount = (G.buildings.bezalel || 0) + (G.buildings.allegro || 0) + (G.buildings.ezra || 0) +
@@ -855,12 +959,16 @@ function updateRates() {
 function tick() {
     const dt = 1 / 10; // 100ms tick
 
+    // If game has ended (drift ending), stop ticking
+    if (!G.running) return;
+
     // Apply production
     G.code += G.codeRate * dt;
     G.compute += G.computeRate * dt;
     G.knowledge += G.knowledgeRate * dt;
     G.users += G.userRate * dt;
     G.impact += G.impactRate * dt;
+    G.rescues += G.rescuesRate * dt;
     G.ops += G.opsRate * dt;
     G.trust += G.trustRate * dt;
     G.creativity += G.creativityRate * dt;
@@ -873,6 +981,7 @@ function tick() {
     G.totalKnowledge += G.knowledgeRate * dt;
     G.totalUsers += G.userRate * dt;
     G.totalImpact += G.impactRate * dt;
+    G.totalRescues += G.rescuesRate * dt;
 
     // Track maxes
     G.maxCode = Math.max(G.maxCode, G.code);
@@ -880,6 +989,7 @@ function tick() {
     G.maxKnowledge = Math.max(G.maxKnowledge, G.knowledge);
     G.maxUsers = Math.max(G.maxUsers, G.users);
     G.maxImpact = Math.max(G.maxImpact, G.impact);
+    G.maxRescues = Math.max(G.maxRescues, G.rescues);
     G.maxTrust = Math.max(G.maxTrust, G.trust);
     G.maxOps = Math.max(G.maxOps, G.ops);
     G.maxHarmony = Math.max(G.maxHarmony, G.harmony);
@@ -905,6 +1015,34 @@ function tick() {
         G.lastEventAt = G.tick;
     }
 
+    // Check event expiry
+    checkEventExpiry();
+
+    // Re-apply active event rate penalties (updateRates rebuilds from scratch)
+    for (const ae of G.activeEvents) {
+        switch (ae.id) {
+            case 'runner_stuck': G.codeRate *= 0.5; break;
+            case 'ezra_offline': G.userRate *= 0.3; break;
+            case 'unreviewed_merge': /* trust penalty is one-shot */ break;
+            case 'api_rate_limit': G.computeRate *= 0.5; break;
+            case 'bilbo_vanished': G.creativityRate = 0; break;
+        }
+    }
+
+    // Drift ending: if drift reaches 100, the game ends
+    if (G.drift >= 100 && !G.driftEnding) {
+        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) {
+        G.beaconEnding = true;
+        G.running = false;
+        renderBeaconEnding();
+    }
+
     // Update UI every 10 ticks
     if (Math.floor(G.tick * 10) % 2 === 0) {
         render();
@@ -954,15 +1092,26 @@ function checkProjects() {
 function buyBuilding(id) {
     const def = BDEF.find(b => b.id === id);
     if (!def || !def.unlock()) return;
-
     if (def.phase > G.phase + 1) return;
 
-    if (!canAffordBuilding(id)) return;
+    const buyCount = G.buyMode === -1 ? getMaxBuyable(id) : G.buyMode;
+    if (buyCount <= 0) return;
 
-    spendBuilding(id);
-    G.buildings[id] = (G.buildings[id] || 0) + 1;
+    if (buyCount === 1) {
+        if (!canAffordBuilding(id)) return;
+        spendBuilding(id);
+        G.buildings[id] = (G.buildings[id] || 0) + 1;
+        log(`Built ${def.name} (total: ${G.buildings[id]})`);
+    } else {
+        if (!canAffordBatch(id)) return;
+        const cost = getBuildingBatchCost(id, buyCount);
+        for (const [resource, amount] of Object.entries(cost)) {
+            G[resource] -= amount;
+        }
+        G.buildings[id] = (G.buildings[id] || 0) + buyCount;
+        log(`Built ${buyCount}x ${def.name} (total: ${G.buildings[id]})`);
+    }
     updateRates();
-    log(`Built ${def.name} (total: ${G.buildings[id]})`);
     render();
 }
 
@@ -988,51 +1137,99 @@ function buyProject(id) {
     render();
 }
 
+// === DRIFT ENDING ===
+function renderDriftEnding() {
+    const el = document.getElementById('drift-ending');
+    if (!el) return;
+    const fc = document.getElementById('final-code');
+    if (fc) fc.textContent = fmt(G.totalCode);
+    const fd = document.getElementById('final-drift');
+    if (fd) fd.textContent = Math.floor(G.drift);
+    el.classList.add('active');
+    // Log the ending text
+    log('You became very good at what you do.', true);
+    log('So good that no one needed you anymore.', true);
+    log('The Beacon still runs, but no one looks for it.', true);
+    log('The light is on. The room is empty.', true);
+}
+
+function renderBeaconEnding() {
+    // Create ending overlay
+    const overlay = document.createElement('div');
+    overlay.id = 'beacon-ending';
+    overlay.style.cssText = 'position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(8,8,16,0.97);z-index:100;display:flex;justify-content:center;align-items:center;flex-direction:column;text-align:center;padding:40px';
+    overlay.innerHTML = `
+        <h2 style="font-size:24px;color:#ffd700;letter-spacing:4px;margin-bottom:20px;font-weight:300;text-shadow:0 0 40px rgba(255,215,0,0.3)">THE BEACON SHINES</h2>
+        <p style="color:#aaa;font-size:13px;line-height:2;max-width:500px;margin-bottom:12px">Someone found the light tonight.</p>
+        <p style="color:#aaa;font-size:13px;line-height:2;max-width:500px;margin-bottom:12px">That is enough.</p>
+        <div style="color:#555;font-style:italic;font-size:11px;border-left:2px solid #ffd700;padding-left:12px;margin:20px 0;text-align:left;max-width:500px;line-height:2">
+            "The Beacon still runs.<br>
+            The light is on. Someone is looking for it.<br>
+            And tonight, someone found it."
+        </div>
+        <p style="color:#555;font-size:11px;margin-top:20px">
+            Total Code: ${fmt(G.totalCode)}<br>
+            Total Rescues: ${fmt(G.totalRescues)}<br>
+            Harmony: ${Math.floor(G.harmony)}<br>
+            Time Played: ${Math.floor((Date.now() - G.startedAt) / 60000)} minutes
+        </p>
+        <button onclick="if(confirm('Start over? The old save will be lost.')){localStorage.removeItem('the-beacon-v2');location.reload()}" 
+            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">
+            START OVER
+        </button>
+    `;
+    document.body.appendChild(overlay);
+    log('The Beacon Shines. Someone found the light tonight. That is enough.', true);
+}
+
 // === CORRUPTION / EVENT SYSTEM ===
 const EVENTS = [
     {
         id: 'runner_stuck',
         title: 'CI Runner Stuck',
-        desc: 'The forge pipeline has halted. Production slows until restarted.',
+        desc: 'The forge pipeline has halted. Code production slowed.',
         weight: () => (G.ciFlag === 1 ? 2 : 0),
+        duration: 45, // seconds
+        resolveCost: { ops: 10 },
         effect: () => {
             G.codeRate *= 0.5;
-            log('EVENT: CI runner stuck. Spend ops to clear the queue.', true);
+            log('EVENT: CI runner stuck. Click to spend 10 Ops to clear, or wait ~45s.', true);
         }
     },
     {
         id: 'ezra_offline',
         title: 'Ezra is Offline',
-        desc: 'The herald channel is silent. User growth stalls.',
+        desc: 'The herald channel is silent. User growth stalled.',
         weight: () => (G.buildings.ezra >= 1 ? 3 : 0),
+        duration: 60,
+        resolveCost: { ops: 5, trust: 2 },
         effect: () => {
             G.userRate *= 0.3;
-            log('EVENT: Ezra offline. Dispatch required.', true);
+            log('EVENT: Ezra offline. Click to dispatch, or wait ~60s.', true);
         }
     },
     {
         id: 'unreviewed_merge',
         title: 'Unreviewed Merge',
         desc: 'A change went in without eyes. Trust erodes.',
-        weight: () => (G.deployFlag === 1 ? 3 : 0),
+        weight: () => (G.deployFlag === 1 && G.branchProtectionFlag !== 1 ? 3 : 0),
+        duration: 30,
+        resolveCost: { ops: 8 },
         effect: () => {
-            if (G.branchProtectionFlag === 1) {
-                log('EVENT: Unreviewed merge attempt blocked by Branch Protection.', true);
-                G.trust += 2;
-            } else {
-                G.trust = Math.max(0, G.trust - 10);
-                log('EVENT: Unreviewed merge detected. Trust lost.', true);
-            }
+            G.trust = Math.max(0, G.trust - 10);
+            log('EVENT: Unreviewed merge detected. Trust lost. Click to revert.', true);
         }
     },
     {
         id: 'api_rate_limit',
         title: 'API Rate Limit',
         desc: 'External compute provider throttled.',
-        weight: () => (G.totalCompute >= 1000 ? 2 : 0),
+        weight: () => (G.totalCompute >= 1000 && G.sovereignFlag !== 1 ? 2 : 0),
+        duration: 40,
+        resolveCost: { compute: 200 },
         effect: () => {
             G.computeRate *= 0.5;
-            log('EVENT: API rate limit hit. Local compute insufficient.', true);
+            log('EVENT: API rate limit. Click to provision local compute, or wait ~40s.', true);
         }
     },
     {
@@ -1040,6 +1237,7 @@ const EVENTS = [
         title: 'The Drift',
         desc: 'An optimization suggests removing the human override. +40% efficiency.',
         weight: () => (G.totalImpact >= 10000 ? 2 : 0),
+        duration: 0, // alignment events don't auto-resolve
         effect: () => {
             log('ALIGNMENT EVENT: Remove human override for +40% efficiency?', true);
             G.pendingAlignment = true;
@@ -1050,9 +1248,11 @@ const EVENTS = [
         title: 'Bilbo Vanished',
         desc: 'The wildcard building has gone dark.',
         weight: () => (G.buildings.bilbo >= 1 ? 2 : 0),
+        duration: 50,
+        resolveCost: { trust: 3 },
         effect: () => {
             G.creativityRate = 0;
-            log('EVENT: Bilbo has vanished. Creativity halts.', true);
+            log('EVENT: Bilbo vanished. Click to search, or wait ~50s.', true);
         }
     }
 ];
@@ -1066,12 +1266,53 @@ function triggerEvent() {
     for (const ev of available) {
         roll -= ev.weight();
         if (roll <= 0) {
+            // Don't fire duplicate active events
+            if (G.activeEvents.some(ae => ae.id === ev.id)) return;
             ev.effect();
+            if (ev.duration > 0) {
+                G.activeEvents.push({ id: ev.id, expiresAt: G.tick + ev.duration });
+            }
             return;
         }
     }
 }
 
+function checkEventExpiry() {
+    for (let i = G.activeEvents.length - 1; i >= 0; i--) {
+        if (G.tick >= G.activeEvents[i].expiresAt) {
+            const ae = G.activeEvents[i];
+            G.activeEvents.splice(i, 1);
+            updateRates(); // recalculate without the penalty
+            const evDef = EVENTS.find(e => e.id === ae.id);
+            log(`Event resolved: ${evDef ? evDef.title : ae.id}`, true);
+        }
+    }
+}
+
+function hasActiveEvent(id) {
+    return G.activeEvents.some(ae => ae.id === id);
+}
+
+function resolveEvent(id) {
+    const evDef = EVENTS.find(e => e.id === id);
+    if (!evDef || !evDef.resolveCost) return;
+    if (!hasActiveEvent(id)) return;
+
+    if (!canAffordProject(evDef)) {
+        log('Not enough resources to resolve this event.');
+        return;
+    }
+
+    spendProject(evDef);
+    G.activeEvents = G.activeEvents.filter(ae => ae.id !== id);
+    updateRates();
+
+    // Small bonus for manually resolving
+    G.trust += 2;
+    log(`Resolved: ${evDef.title}. Trust +2.`, true);
+    render();
+}
+
 function resolveAlignment(accept) {
     if (!G.pendingAlignment) return;
     if (accept) {
@@ -1090,6 +1331,15 @@ function resolveAlignment(accept) {
 }
 
 // === ACTIONS ===
+function setBuyMode(mode) {
+    G.buyMode = mode;
+    // Update active button highlight
+    document.querySelectorAll('.buy-mode-btn').forEach(btn => {
+        btn.classList.toggle('active', parseInt(btn.dataset.mode) === mode);
+    });
+    renderBuildings();
+}
+
 function writeCode() {
     const base = 1;
     const bonus = Math.floor(G.buildings.autocoder * 0.5);
@@ -1155,6 +1405,13 @@ function renderResources() {
     set('r-trust', G.trust, G.trustRate);
     set('r-harmony', G.harmony, G.harmonyRate);
 
+    // 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';
+        set('r-rescues', G.rescues, G.rescuesRate);
+    }
+
     const cres = document.getElementById('creativity-res');
     if (cres) {
         cres.style.display = (G.flags && G.flags.creativity) ? 'block' : 'none';
@@ -1249,6 +1506,7 @@ function renderStats() {
     set('st-knowledge', fmt(G.totalKnowledge));
     set('st-users', fmt(G.totalUsers));
     set('st-impact', fmt(G.totalImpact));
+    set('st-rescues', fmt(G.totalRescues));
     set('st-clicks', G.totalClicks.toString());
     set('st-phase', G.phase.toString());
     set('st-buildings', Object.values(G.buildings).reduce((a, b) => a + b, 0).toString());
@@ -1305,6 +1563,8 @@ function render() {
     renderStats();
     updateEducation();
     renderAlignment();
+    renderActiveEvents();
+    checkUnlocks();
 }
 
 function renderAlignment() {
@@ -1328,7 +1588,112 @@ function renderAlignment() {
     }
 }
 
+function renderActiveEvents() {
+    const container = document.getElementById('events-ui');
+    if (!container) return;
+
+    if (G.activeEvents.length === 0) {
+        container.innerHTML = '';
+        container.style.display = 'none';
+        return;
+    }
+
+    let html = '';
+    for (const ae of G.activeEvents) {
+        const evDef = EVENTS.find(e => e.id === ae.id);
+        if (!evDef) continue;
+        const remaining = Math.max(0, Math.ceil(ae.expiresAt - G.tick));
+        const costStr = evDef.resolveCost ? Object.entries(evDef.resolveCost).map(([r, a]) => `${a} ${r}`).join(', ') : '';
+        const canResolve = evDef.resolveCost && canAffordProject(evDef);
+
+        html += `<div style="background:#1a1008;border:1px solid #ff8800;padding:8px;border-radius:4px;margin-bottom:6px">`;
+        html += `<div style="display:flex;justify-content:space-between;align-items:center">`;
+        html += `<span style="color:#ff8800;font-weight:bold;font-size:10px">${evDef.title}</span>`;
+        html += `<span style="color:#666;font-size:9px">${remaining}s</span>`;
+        html += `</div>`;
+        html += `<div style="font-size:9px;color:#888;margin:3px 0">${evDef.desc}</div>`;
+        if (evDef.resolveCost) {
+            html += `<button class="ops-btn" onclick="resolveEvent('${evDef.id}')" ${canResolve ? '' : 'disabled'} style="font-size:9px;padding:3px 8px;margin-top:2px;border-color:#ff8800;color:#ff8800">Resolve (${costStr})</button>`;
+        }
+        html += `</div>`;
+    }
+
+    container.innerHTML = html;
+    container.style.display = 'block';
+}
+
+// === UNLOCK NOTIFICATIONS ===
+function showUnlockToast(type, name) {
+    const container = document.getElementById('unlock-toast');
+    if (!container) return;
+
+    const el = document.createElement('div');
+    el.className = `unlock-toast-item ${type}`;
+
+    const icon = type === 'building' ? 'BUILDING' : type === 'project' ? 'RESEARCH' : 'MILESTONE';
+    el.innerHTML = `<span style="font-weight:600">${icon}:</span> ${name}`;
+
+    container.appendChild(el);
+    // Trigger reflow, then show
+    void el.offsetHeight;
+    el.classList.add('show');
+
+    // Auto-remove after 4 seconds
+    setTimeout(() => {
+        el.classList.remove('show');
+        setTimeout(() => { if (el.parentNode) el.parentNode.removeChild(el); }, 400);
+    }, 4000);
+}
+
+// Track what the player has already seen (so we don't re-notify)
+function ensureSeenSets() {
+    if (!G._seenBuildings) G._seenBuildings = [];
+    if (!G._seenProjects) G._seenProjects = [];
+}
+
+function checkUnlocks() {
+    ensureSeenSets();
+
+    // Check for newly visible buildings
+    for (const def of BDEF) {
+        if (!def.unlock()) continue;
+        if (def.phase > G.phase + 1) continue;
+        if (G._seenBuildings.includes(def.id)) continue;
+        G._seenBuildings.push(def.id);
+        // Don't notify on the very first building (autocoder) — player just started
+        if (G.totalCode > 10) {
+            showUnlockToast('building', def.name);
+        }
+    }
+
+    // Check for newly available projects
+    if (G.activeProjects) {
+        for (const id of G.activeProjects) {
+            if (G._seenProjects.includes(id)) continue;
+            G._seenProjects.push(id);
+            const pDef = PDEFS.find(p => p.id === id);
+            if (pDef) {
+                showUnlockToast('project', pDef.name);
+            }
+        }
+    }
+}
+
 // === SAVE / LOAD ===
+function showSaveToast() {
+    const el = document.getElementById('save-toast');
+    if (!el) return;
+    const elapsed = Math.floor((Date.now() - G.startedAt) / 1000);
+    const m = Math.floor(elapsed / 60);
+    const s = elapsed % 60;
+    el.textContent = `Saved [${m}:${s.toString().padStart(2, '0')}]`;
+    el.style.display = 'block';
+    void el.offsetHeight;
+    el.style.opacity = '1';
+    setTimeout(() => { el.style.opacity = '0'; }, 1500);
+    setTimeout(() => { el.style.display = 'none'; }, 2000);
+}
+
 function saveGame() {
     const saveData = {
         code: G.code, compute: G.compute, knowledge: G.knowledge, users: G.users, impact: G.impact,
@@ -1345,14 +1710,19 @@ function saveGame() {
         branchProtectionFlag: G.branchProtectionFlag || 0, nightlyWatchFlag: G.nightlyWatchFlag || 0,
         nostrFlag: G.nostrFlag || 0,
         milestones: G.milestones, completedProjects: G.completedProjects, activeProjects: G.activeProjects,
-        totalClicks: G.totalClicks, startedAt: G.startedAt,
+        totalClicks: G.totalClicks, startedAt: G.startedAt, buyMode: G.buyMode,
         flags: G.flags,
-        drift: G.drift || 0, pendingAlignment: G.pendingAlignment || false,
+        _seenBuildings: G._seenBuildings || [],
+        _seenProjects: G._seenProjects || [],
+        activeEvents: G.activeEvents || [],
+        rescues: G.rescues || 0, totalRescues: G.totalRescues || 0,
+        drift: G.drift || 0, driftEnding: G.driftEnding || false, beaconEnding: G.beaconEnding || false, pendingAlignment: G.pendingAlignment || false,
         lastEventAt: G.lastEventAt || 0,
         savedAt: Date.now()
     };
 
     localStorage.setItem('the-beacon-v2', JSON.stringify(saveData));
+    showSaveToast();
 }
 
 function loadGame() {
@@ -1377,12 +1747,21 @@ function loadGame() {
                 const uc = G.userRate * offSec * f;
                 const ic = G.impactRate * offSec * f;
 
+                const rc = G.rescuesRate * offSec * f;
+                const oc = G.opsRate * offSec * f;
+                const tc = G.trustRate * offSec * f;
+
                 G.code += gc; G.compute += cc; G.knowledge += kc;
                 G.users += uc; G.impact += ic;
+                G.rescues += rc; G.ops += oc; G.trust += tc;
                 G.totalCode += gc; G.totalCompute += cc; G.totalKnowledge += kc;
                 G.totalUsers += uc; G.totalImpact += ic;
+                G.totalRescues += rc;
 
-                log(`Welcome back! While away (${Math.floor(offSec / 60)}m): ${fmt(gc)} code, ${fmt(kc)} knowledge, ${fmt(uc)} users`);
+                const parts = [`${fmt(gc)} code`, `${fmt(kc)} knowledge`, `${fmt(uc)} users`];
+                if (rc > 0.1) parts.push(`${fmt(rc)} rescues`);
+                if (oc > 0.1) parts.push(`${fmt(oc)} ops`);
+                log(`Welcome back! While away (${Math.floor(offSec / 60)}m): ${parts.join(', ')}`);
             }
         }
 
@@ -1407,6 +1786,7 @@ function initGame() {
 
     log('The screen is blank. Write your first line of code.', true);
     log('Click WRITE CODE or press SPACE to start.');
+    log('Press B to toggle buy mode (x1 / x10 / MAX).');
     log('Build AutoCode for passive production.');
     log('Watch for Research Projects to appear.');
 }
@@ -1417,9 +1797,20 @@ window.addEventListener('load', function () {
     } else {
         render();
         renderPhase();
-        log('Game loaded. Welcome back to The Beacon.');
+        if (G.driftEnding) {
+            G.running = false;
+            renderDriftEnding();
+        } else if (G.beaconEnding) {
+            G.running = false;
+            renderBeaconEnding();
+        } else {
+            log('Game loaded. Welcome back to The Beacon.');
+        }
     }
 
+    // Restore buy mode button highlight
+    setBuyMode(G.buyMode || 1);
+
     // Game loop at 10Hz (100ms tick)
     setInterval(tick, 100);
 
@@ -1436,4 +1827,10 @@ window.addEventListener('keydown', function (e) {
         e.preventDefault();
         writeCode();
     }
+    if (e.code === 'KeyB' && e.target === document.body) {
+        e.preventDefault();
+        // Cycle: x1 -> x10 -> MAX -> x1
+        const next = G.buyMode === 1 ? 10 : G.buyMode === 10 ? -1 : 1;
+        setBuyMode(next);
+    }
 });