diff --git a/lan-client/ai-bridge.js b/lan-client/ai-bridge.js
index 686f24a..77629a2 100644
--- a/lan-client/ai-bridge.js
+++ b/lan-client/ai-bridge.js
@@ -1,6 +1,5 @@
-// ai-bridge.js — Commander-AI-Lab Backend Integration Bridge
-// Mediates between the LAN Battlefield App and the Commander-AI-Lab backend.
-// Contains: BackendConnector, GameStateBridge, MacroActionMapper, DeckSourceClient
+// ai-bridge.js — Commander-AI-Lab Backend Bridge
+// Manages REST + WebSocket connectivity to the Commander-AI-Lab backend.
 
 'use strict';
 
@@ -52,6 +51,10 @@ class BackendConnector {
 
   // ── Connection Management ─────────────────────────────────
 
+  /**
+   * Test connectivity to the backend. Returns true if the backend
+   * is reachable and the health endpoint responds.
+   */
   async checkHealth() {
     try {
       const controller = new AbortController();
@@ -82,6 +85,9 @@ class BackendConnector {
     }
   }
 
+  /**
+   * Check if the ML policy model is loaded and ready for inference.
+   */
   async checkModelStatus() {
     if (!this._connected) return false;
     try {
@@ -100,6 +106,10 @@ class BackendConnector {
     }
   }
 
+  /**
+   * Full initialization: health check + model status.
+   * Returns { connected, modelLoaded }.
+   */
   async initialize() {
     const connected = await this.checkHealth();
     let modelLoaded = false;
@@ -112,6 +122,10 @@ class BackendConnector {
 
   // ── REST API Calls ─────────────────────────────────────────
 
+  /**
+   * POST to any backend endpoint with JSON body.
+   * Includes retry logic and timeout handling.
+   */
   async _post(path, body, timeoutMs) {
     const url = `${this.config.backendUrl}${path}`;
     let lastError = null;
@@ -148,6 +162,9 @@ class BackendConnector {
     throw lastError;
   }
 
+  /**
+   * GET from any backend endpoint.
+   */
   async _get(path, timeoutMs) {
     const url = `${this.config.backendUrl}${path}`;
     const controller = new AbortController();
@@ -168,6 +185,10 @@ class BackendConnector {
 
   // ── WebSocket Management ──────────────────────────────────
 
+  /**
+   * Open a WebSocket connection for a game session.
+   * Receives state deltas, decision events, and game-over signals.
+   */
   connectWebSocket(gameId, clientId) {
     if (!this.config.enableWebSocket) return;
     if (this._ws) this.disconnectWebSocket();
@@ -322,6 +343,10 @@ class GameStateBridge {
 
   // ── Session Lifecycle ──────────────────────────────────────
 
+  /**
+   * Create a game session on the backend when a new game starts.
+   * Maps the LAN app's player setup to SeatConfig objects.
+   */
   async initSession(gameState) {
     if (!this.connector.connected) return null;
 
@@ -353,6 +378,9 @@ class GameStateBridge {
     }
   }
 
+  /**
+   * Map LAN app difficulty to backend AI profile.
+   */
   _mapAiProfile(difficulty) {
     const map = {
       easy: 'AI',
@@ -364,6 +392,10 @@ class GameStateBridge {
 
   // ── Game State Serialization ──────────────────────────────
 
+  /**
+   * Convert the JS gameState to a DecisionSnapshot-compatible
+   * object for the /api/policy/decide endpoint.
+   */
   serializeGameState(gameState, playerIdx) {
     const players = gameState.players.map((p, i) => {
       // Count creatures on battlefield
@@ -434,9 +466,7 @@ class GameStateBridge {
     });
 
     // Map current phase to backend format
-    const phaseId = typeof PHASES !== 'undefined' && PHASES[gameState.currentPhaseIndex]
-      ? PHASES[gameState.currentPhaseIndex].id
-      : 'main1';
+    const phaseId = PHASES[gameState.currentPhaseIndex]?.id || 'main1';
     const phaseMap = {
       beginning: 'main_1',
       main1: 'main_1',
@@ -460,6 +490,9 @@ class GameStateBridge {
     };
   }
 
+  /**
+   * Get all battlefield cards for a player.
+   */
   _getBattlefieldCards(player, gameState) {
     if (!gameState || !gameState.battlefield) return [];
     return (gameState.battlefield || []).filter(
@@ -467,6 +500,9 @@ class GameStateBridge {
     );
   }
 
+  /**
+   * Infer a playstyle hint for the AI based on the deck composition.
+   */
   _inferPlaystyle(gameState, playerIdx) {
     const player = gameState.players[playerIdx];
     if (!player) return 'midrange';
@@ -493,6 +529,10 @@ class GameStateBridge {
 
   // ── AI Decision Request ───────────────────────────────────
 
+  /**
+   * Request an AI decision from the backend policy server.
+   * Returns the macro-action prediction or null if unavailable.
+   */
   async requestAiDecision(gameState, playerIdx) {
     if (!this.connector.connected || !this.connector.modelLoaded) {
       return null;
@@ -520,6 +560,9 @@ class GameStateBridge {
 
   // ── State Sync ────────────────────────────────────────────
 
+  /**
+   * Push current game state to the backend WebSocket layer.
+   */
   async pushState(gameState) {
     if (!this._sessionGameId || !this.connector.connected) return;
     if (!AI_BRIDGE_CONFIG.enableStateSync) return;
@@ -534,12 +577,16 @@ class GameStateBridge {
         snapshot
       );
     } catch (e) {
+      // Non-critical — log but don't fail
       if (AI_BRIDGE_CONFIG.verbose) {
         console.warn('[GameStateBridge] State push failed:', e);
       }
     }
   }
 
+  /**
+   * Push an AI decision event to connected WebSocket clients.
+   */
   async pushDecision(decision) {
     if (!this._sessionGameId || !this.connector.connected) return;
 
@@ -586,6 +633,15 @@ class GameStateBridge {
 // ============================================================
 
 class MacroActionMapper {
+  /**
+   * Execute a macro-action by calling the appropriate engine.js functions.
+   *
+   * @param {string} action - One of the 8 MacroAction values
+   * @param {number} playerIdx - Index of the AI player
+   * @param {object} gameState - Current game state
+   * @param {object} decision - Full decision response from backend
+   * @returns {boolean} Whether the action was successfully executed
+   */
   static execute(action, playerIdx, gameState, decision) {
     const player = gameState.players[playerIdx];
     if (!player) return false;
@@ -595,22 +651,32 @@ class MacroActionMapper {
     switch (action) {
       case 'cast_creature':
         return MacroActionMapper._castCreature(playerIdx, player, gameState, confidence);
+
       case 'cast_removal':
         return MacroActionMapper._castRemoval(playerIdx, player, gameState);
+
       case 'cast_draw':
         return MacroActionMapper._castDraw(playerIdx, player, gameState);
+
       case 'cast_ramp':
         return MacroActionMapper._castRamp(playerIdx, player, gameState);
+
       case 'cast_commander':
         return MacroActionMapper._castCommander(playerIdx, player, gameState);
+
       case 'attack_opponent':
         return MacroActionMapper._attackOpponent(playerIdx, player, gameState);
+
       case 'hold_mana':
-        MacroActionMapper._log(playerIdx, player, 'holding mana open', confidence);
+        MacroActionMapper._log(playerIdx, player,
+          'holding mana open', confidence);
         return true;
+
       case 'pass':
-        MacroActionMapper._log(playerIdx, player, 'passing', confidence);
+        MacroActionMapper._log(playerIdx, player,
+          'passing', confidence);
         return true;
+
       default:
         console.warn('[MacroActionMapper] Unknown action:', action);
         return false;
@@ -633,7 +699,7 @@ class MacroActionMapper {
         if (MacroActionMapper._canAfford(playerIdx, card)) {
           const idx = hand.indexOf(card);
           if (idx !== -1) {
-            if (!card.imageUrl && typeof generateAiCardSVG === 'function') card.imageUrl = generateAiCardSVG(card);
+            if (!card.imageUrl) card.imageUrl = generateAiCardSVG(card);
             playCardFromHand(playerIdx, idx);
             MacroActionMapper._log(playerIdx, player,
               `cast <strong>${card.name}</strong> (creature slot)`, confidence);
@@ -654,7 +720,7 @@ class MacroActionMapper {
       if (MacroActionMapper._canAfford(playerIdx, card)) {
         const idx = hand.indexOf(card);
         if (idx !== -1) {
-          if (!card.imageUrl && typeof generateAiCardSVG === 'function') card.imageUrl = generateAiCardSVG(card);
+          if (!card.imageUrl) card.imageUrl = generateAiCardSVG(card);
           playCardFromHand(playerIdx, idx);
           MacroActionMapper._log(playerIdx, player,
             `cast <strong>${card.name}</strong>`, confidence);
@@ -678,7 +744,7 @@ class MacroActionMapper {
       if (MacroActionMapper._canAfford(playerIdx, card)) {
         const idx = hand.indexOf(card);
         if (idx !== -1) {
-          if (!card.imageUrl && typeof generateAiCardSVG === 'function') card.imageUrl = generateAiCardSVG(card);
+          if (!card.imageUrl) card.imageUrl = generateAiCardSVG(card);
           playCardFromHand(playerIdx, idx);
           MacroActionMapper._log(playerIdx, player,
             `cast removal <strong>${card.name}</strong>`);
@@ -707,7 +773,7 @@ class MacroActionMapper {
       if (MacroActionMapper._canAfford(playerIdx, card)) {
         const idx = hand.indexOf(card);
         if (idx !== -1) {
-          if (!card.imageUrl && typeof generateAiCardSVG === 'function') card.imageUrl = generateAiCardSVG(card);
+          if (!card.imageUrl) card.imageUrl = generateAiCardSVG(card);
           playCardFromHand(playerIdx, idx);
           MacroActionMapper._log(playerIdx, player,
             `cast draw spell <strong>${card.name}</strong>`);
@@ -728,7 +794,7 @@ class MacroActionMapper {
       const landIdx = hand.findIndex(c => MacroActionMapper._isLand(c));
       if (landIdx !== -1) {
         const land = hand[landIdx];
-        if (!land.imageUrl && typeof generateAiCardSVG === 'function') land.imageUrl = generateAiCardSVG(land);
+        if (!land.imageUrl) land.imageUrl = generateAiCardSVG(land);
         playCardFromHand(playerIdx, landIdx);
         player.aiLandPlayedThisTurn = true;
         MacroActionMapper._log(playerIdx, player,
@@ -737,7 +803,7 @@ class MacroActionMapper {
       }
     }
 
-    // Then try ramp spells
+    // Then try ramp spells (mana rocks, rampant growth effects)
     const rampSpells = hand.filter(c =>
       MacroActionMapper._looksLikeRamp(c)
     );
@@ -752,7 +818,7 @@ class MacroActionMapper {
       if (MacroActionMapper._canAfford(playerIdx, card)) {
         const idx = hand.indexOf(card);
         if (idx !== -1) {
-          if (!card.imageUrl && typeof generateAiCardSVG === 'function') card.imageUrl = generateAiCardSVG(card);
+          if (!card.imageUrl) card.imageUrl = generateAiCardSVG(card);
           playCardFromHand(playerIdx, idx);
           MacroActionMapper._log(playerIdx, player,
             `cast ramp <strong>${card.name}</strong>`);
@@ -808,7 +874,7 @@ class MacroActionMapper {
   }
 
   static _canAfford(playerIdx, card) {
-    if (typeof gameState === 'undefined' || !gameState) return false;
+    if (!gameState) return false;
     const available = typeof aiCountUntappedLands === 'function'
       ? aiCountUntappedLands(playerIdx)
       : 0;
@@ -850,11 +916,9 @@ class MacroActionMapper {
     const confStr = confidence
       ? ` <span style="color:var(--color-text-faint)">(${Math.round(confidence * 100)}% conf.)</span>`
       : '';
-    if (typeof addLogEntry === 'function') {
-      addLogEntry(
-        `\u{1F9E0} <strong>${player.name}</strong> ${message}${confStr} [ML]`
-      );
-    }
+    addLogEntry(
+      `\u{1F9E0} <strong>${player.name}</strong> ${message}${confStr} [ML]`
+    );
   }
 }
 
@@ -870,9 +934,14 @@ class DeckSourceClient {
     this._cacheTtlMs = 5 * 60 * 1000; // 5 minutes
   }
 
+  /**
+   * Fetch precon decks from the backend.
+   * Returns array: [{ fileName, deckName, commander, colors, set, ... }]
+   */
   async fetchPrecons(forceRefresh = false) {
     if (!this.connector.connected) return [];
 
+    // Check cache
     if (!forceRefresh && this._preconCache &&
         (Date.now() - this._preconCacheTime) < this._cacheTtlMs) {
       return this._preconCache;
@@ -889,6 +958,9 @@ class DeckSourceClient {
     }
   }
 
+  /**
+   * Fetch EDHREC recommendations for a commander.
+   */
   async fetchEdhrecDecks(commanderName) {
     if (!this.connector.connected) return [];
     try {
@@ -901,6 +973,9 @@ class DeckSourceClient {
     }
   }
 
+  /**
+   * Get deck content (card list) for a specific precon.
+   */
   async fetchPreconDeck(fileName) {
     if (!this.connector.connected) return null;
     try {
@@ -931,6 +1006,9 @@ window.AIBridge = {
   deckSource: aiBridgeDeckSource,
   MacroActionMapper: MacroActionMapper,
 
+  /**
+   * Convenience: initialize the bridge and report status.
+   */
   async init() {
     const status = await aiBridgeConnector.initialize();
     if (status.connected) {
diff --git a/lan-client/engine.js b/lan-client/engine.js
index 7a25f71..fce6293 100644
--- a/lan-client/engine.js
+++ b/lan-client/engine.js
@@ -248,6 +248,9 @@ function createInitialState(playerCount, playerNames, startingLife) {
       startingLife,
       poison: 0,
       energy: 0,
+      experience: 0,
+      rad: 0,
+      emblems: [],
       eliminated: false,
       commanderDamage: {}, // keyed by opponent player id
       zones: {
@@ -262,9 +265,6 @@ function createInitialState(playerCount, playerNames, startingLife) {
       commanderCardName: '',
       commanderCastCount2: 0,
       commanderCardName2: '',
-      experience: 0,
-      rad: 0,
-      emblems: [],
     };
     // Initialize commander damage counters
     for (let j = 0; j < playerCount; j++) {
@@ -5144,8 +5144,6 @@ function createPlayerPanel(player, isActive) {
       <button class="life-btn" onclick="adjustLife(${player.id}, 1)" oncontextmenu="event.preventDefault();adjustLife(${player.id}, 5)" title="Left: +1 | Right: +5">+</button>
     </div>
 
-    <!-- Mana pool display removed -->
-
     <div class="cmd-damage-section">
       <div class="cmd-damage-label">
         <span>CMD Damage</span>
@@ -5244,8 +5242,6 @@ function adjustLife(playerId, amount) {
   }
 
   setLife(playerId, player.life + amount);
-  // Sync enhanced player panels
-  if (typeof renderEnhancedPanels === 'function') renderEnhancedPanels();
 }
 
 function setLife(playerId, newLife) {
@@ -5294,6 +5290,8 @@ function setLife(playerId, newLife) {
     eliminatePlayer(playerId, 'life total reached 0');
   }
   checkStateBasedActions();
+  // Sync enhanced player panels
+  if (typeof renderEnhancedPanels === 'function') renderEnhancedPanels();
 }
 
 // ============================================================
@@ -12300,6 +12298,36 @@ function toggleManaAutoClear() {
 
 function renderManaPool() {
   // Mana pool display removed — internal tracking only.
+  // No visual update needed.
+}
+
+// Legacy renderManaPool body preserved for reference (removed from UI)
+function _renderManaPoolLegacy() {
+  if (!gameState) return;
+  const pid = getSelectedManaPlayerId();
+  const player = gameState.players[pid];
+  if (!player) return;
+
+  let total = 0;
+  MANA_COLORS.forEach(c => {
+    const val = player.manaPool[c] || 0;
+    total += val;
+    const el = document.getElementById(`mana-${c}`);
+    if (el) {
+      el.textContent = val;
+      el.classList.toggle('has-mana', val > 0);
+    }
+  });
+
+  const totalEl = document.getElementById('mana-total');
+  if (totalEl) totalEl.textContent = total;
+
+  // Refresh hand castability badges when mana changes
+  if (typeof renderHandArea === 'function') {
+    // Debounce to avoid excessive rerenders
+    if (renderManaPool._handTimer) clearTimeout(renderManaPool._handTimer);
+    renderManaPool._handTimer = setTimeout(function() { renderHandArea(); }, 100);
+  }
 }
 
 function populateManaPlayerSelect() {
diff --git a/lan-client/player-panels.js b/lan-client/player-panels.js
index c026797..cce9fc0 100644
--- a/lan-client/player-panels.js
+++ b/lan-client/player-panels.js
@@ -5,6 +5,11 @@
 
 /**
  * Create an enhanced player panel widget for a quadrant.
+ * Replaces the basic life counter with a full tracking panel.
+ *
+ * @param {object} player - Player object from gameState
+ * @param {number} quadrant - 1-4 (matches CSS class p1-p4)
+ * @param {boolean} isActive - Whether this is the active player
  */
 function createEnhancedPlayerPanel(player, quadrant, isActive) {
   var panel = document.createElement('div');
@@ -178,9 +183,7 @@ function adjustEnergy(playerId, amount) {
   var player = gameState.players[playerId];
   if (!player) return;
   player.energy = Math.max(0, (player.energy || 0) + amount);
-  if (typeof addLogEntry === 'function') {
-    addLogEntry('<strong>' + player.name + '</strong> energy: ' + player.energy);
-  }
+  addLogEntry('<strong>' + player.name + '</strong> energy: ' + player.energy);
   renderEnhancedPanels();
 }
 
@@ -189,9 +192,7 @@ function adjustExperience(playerId, amount) {
   var player = gameState.players[playerId];
   if (!player) return;
   player.experience = Math.max(0, (player.experience || 0) + amount);
-  if (typeof addLogEntry === 'function') {
-    addLogEntry('<strong>' + player.name + '</strong> experience: ' + player.experience);
-  }
+  addLogEntry('<strong>' + player.name + '</strong> experience: ' + player.experience);
   renderEnhancedPanels();
 }
 
@@ -200,9 +201,7 @@ function adjustRad(playerId, amount) {
   var player = gameState.players[playerId];
   if (!player) return;
   player.rad = Math.max(0, (player.rad || 0) + amount);
-  if (typeof addLogEntry === 'function') {
-    addLogEntry('<strong>' + player.name + '</strong> rad counters: ' + player.rad);
-  }
+  addLogEntry('<strong>' + player.name + '</strong> rad counters: ' + player.rad);
   renderEnhancedPanels();
 }
 
@@ -214,9 +213,7 @@ function showAddEmblemDialog(playerId) {
   if (!player) return;
   if (!player.emblems) player.emblems = [];
   player.emblems.push({ name: name.trim() });
-  if (typeof addLogEntry === 'function') {
-    addLogEntry('<strong>' + player.name + '</strong> gained emblem: ' + name.trim());
-  }
+  addLogEntry('<strong>' + player.name + '</strong> gained emblem: ' + name.trim());
   renderEnhancedPanels();
 }
 
@@ -225,7 +222,7 @@ function removeEmblem(playerId, idx) {
   var player = gameState.players[playerId];
   if (!player || !player.emblems) return;
   var removed = player.emblems.splice(idx, 1);
-  if (removed.length > 0 && typeof addLogEntry === 'function') {
+  if (removed.length > 0) {
     addLogEntry('<strong>' + player.name + '</strong> lost emblem: ' + removed[0].name);
   }
   renderEnhancedPanels();
diff --git a/lan-client/style.css b/lan-client/style.css
index a7e6fdb..a3e3c24 100644
--- a/lan-client/style.css
+++ b/lan-client/style.css
@@ -1460,8 +1460,6 @@ body.stack-pick-mode .battlefield-card {
   line-height: 1;
 }
 
-/* Mana pool display removed — internal tracking only */
-
 /* ============================================================
    TRIGGER STACK PANEL
    ============================================================ */
diff --git a/lan-client/ui.js b/lan-client/ui.js
index 0ed11d2..9ceb38a 100644
--- a/lan-client/ui.js
+++ b/lan-client/ui.js
@@ -1188,6 +1188,7 @@ function updateDeckAssignmentGrid(playerCount) {
 }
 
 function _buildPreconTabContent(playerIdx) {
+  // Local precons from precons.js (PRECON_DATA)
   var preconList = (typeof PRECON_DATA !== 'undefined') ? PRECON_DATA : [];
 
   if (preconList.length === 0) {
@@ -1297,11 +1298,9 @@ function filterPrecons(playerIdx, query) {
   var q = query.toLowerCase().trim();
 
   list.querySelectorAll('.deck-precon-item').forEach(function(item) {
-    var name = item.querySelector('.deck-precon-name');
-    var cmdr = item.querySelector('.deck-precon-cmdr');
-    var nameText = name ? name.textContent.toLowerCase() : '';
-    var cmdrText = cmdr ? cmdr.textContent.toLowerCase() : '';
-    var match = !q || nameText.includes(q) || cmdrText.includes(q);
+    var name = item.querySelector('.deck-precon-name')?.textContent?.toLowerCase() || '';
+    var cmdr = item.querySelector('.deck-precon-cmdr')?.textContent?.toLowerCase() || '';
+    var match = !q || name.includes(q) || cmdr.includes(q);
     item.style.display = match ? '' : 'none';
   });