feat: wire MemoryInspect into app.js

- Import MemoryInspect component
- Initialize after SpatialMemory
- Add crystal raycasting in mousedown handler
- Click crystal to open inspect panel, click empty space to close
Closes #1227

app.js

@@ -6,6 +6,7 @@ import { SMAAPass } from 'three/addons/postprocessing/SMAAPass.js';
 import { SpatialMemory } from './nexus/components/spatial-memory.js';
 import { MemoryBirth } from './nexus/components/memory-birth.js';
 import { MemoryOptimizer } from './nexus/components/memory-optimizer.js';
+import { MemoryInspect } from './nexus/components/memory-inspect.js';
 
 // ═══════════════════════════════════════════
 // NEXUS v1.1 — Portal System Update
@@ -712,6 +713,7 @@ async function init() {
   MemoryBirth.init(scene);
   MemoryBirth.wrapSpatialMemory(SpatialMemory);
   SpatialMemory.setCamera(camera);
+MemoryInspect.init(SpatialMemory);
   updateLoad(90);
 
   loadSession();
@@ -1904,7 +1906,7 @@ function setupControls() {
       orbitState.lastX = e.clientX;
       orbitState.lastY = e.clientY;
       
-      // Raycasting for portals
+      // Raycasting for portals and memory crystals
       if (!portalOverlayActive) {
         const mouse = new THREE.Vector2(
           (e.clientX / window.innerWidth) * 2 - 1,
@@ -1912,11 +1914,26 @@ function setupControls() {
         );
         const raycaster = new THREE.Raycaster();
         raycaster.setFromCamera(mouse, camera);
-        const intersects = raycaster.intersectObjects(portals.map(p => p.ring));
-        if (intersects.length > 0) {
-          const clickedRing = intersects[0].object;
+
+        // Check portals first
+        const portalHits = raycaster.intersectObjects(portals.map(p => p.ring));
+        if (portalHits.length > 0) {
+          const clickedRing = portalHits[0].object;
           const portal = portals.find(p => p.ring === clickedRing);
           if (portal) activatePortal(portal);
+        } else {
+          // Check memory crystals
+          const crystalMeshes = SpatialMemory.getCrystalMeshes();
+          const crystalHits = raycaster.intersectObjects(crystalMeshes);
+          if (crystalHits.length > 0) {
+            const hitMesh = crystalHits[0].object;
+            const memInfo = SpatialMemory.getMemoryFromMesh(hitMesh);
+            if (memInfo && memInfo.data) {
+              MemoryInspect.inspect(memInfo.data.id);
+            }
+          } else if (MemoryInspect.isOpen()) {
+            MemoryInspect.close();
+          }
         }
       }
     }

nexus/components/memory-inspect.js

@@ -0,0 +1,407 @@
+/**
+ * Memory Inspect Panel — click-to-read detail view for Mnemosyne crystals.
+ *
+ * When a memory crystal is clicked in the Nexus, this panel slides in from
+ * the right showing the memory's content, links, region, and metadata.
+ *
+ * Depends on SpatialMemory (for data access) — wired from app.js.
+ */
+
+const MemoryInspect = (() => {
+  let _panel = null;
+  let _isOpen = false;
+  let _currentMemId = null;
+  let _spatialMemory = null;
+
+  // ─── PUBLIC API ──────────────────────────────────────
+
+  function init(spatialMemoryRef) {
+    _spatialMemory = spatialMemoryRef;
+    _buildPanel();
+    _injectStyles();
+    console.info('[Mnemosyne] Memory Inspect panel initialized');
+  }
+
+  function inspect(memId) {
+    if (!_spatialMemory) return;
+    const memObj = _getMemoryObject(memId);
+    if (!memObj) return;
+
+    _currentMemId = memId;
+    _renderPanel(memObj);
+    _open();
+    _spatialMemory.highlightMemory(memId);
+  }
+
+  function close() {
+    if (!_isOpen) return;
+    if (_currentMemId && _spatialMemory) {
+      _spatialMemory.clearHighlight();
+    }
+    _currentMemId = null;
+    _close();
+  }
+
+  function isOpen() {
+    return _isOpen;
+  }
+
+  function getCurrentMemId() {
+    return _currentMemId;
+  }
+
+  // ─── INTERNALS ───────────────────────────────────────
+
+  function _getMemoryObject(memId) {
+    // Access SpatialMemory's internal _memoryObjects via getAllMemories
+    const all = _spatialMemory.getAllMemories();
+    if (!all) return null;
+    // getAllMemories returns array of { id, ...data } objects
+    const entry = all.find(m => m.id === memId);
+    if (!entry) return null;
+
+    // Get region info
+    const regions = _spatialMemory.REGIONS;
+    const region = regions[entry.category] || regions.working;
+
+    return { data: entry, region };
+  }
+
+  function _buildPanel() {
+    _panel = document.createElement('div');
+    _panel.id = 'memory-inspect-panel';
+    _panel.className = 'memory-inspect-panel memory-inspect-hidden';
+    _panel.innerHTML = `
+      <div class="memory-inspect-header">
+        <span class="memory-inspect-glyph" id="inspect-glyph"></span>
+        <span class="memory-inspect-title" id="inspect-title"></span>
+        <button class="memory-inspect-close" id="inspect-close" title="Close">&times;</button>
+      </div>
+      <div class="memory-inspect-body">
+        <div class="memory-inspect-meta" id="inspect-meta"></div>
+        <div class="memory-inspect-content" id="inspect-content"></div>
+        <div class="memory-inspect-links" id="inspect-links"></div>
+      </div>
+      <div class="memory-inspect-footer" id="inspect-footer"></div>
+    `;
+    document.body.appendChild(_panel);
+
+    document.getElementById('inspect-close').addEventListener('click', (e) => {
+      e.stopPropagation();
+      close();
+    });
+  }
+
+  function _renderPanel(memObj) {
+    const { data, region } = memObj;
+    const strength = data.strength != null ? data.strength : 0.7;
+    const vitalityBand = _getVitalityBand(strength);
+    const bandColors = {
+      vibrant: '#00e5ff',
+      alive: '#4488ff',
+      fading: '#ffaa00',
+      dim: '#ff6644',
+      ghost: '#667788'
+    };
+    const bandColor = bandColors[vitalityBand] || bandColors.alive;
+
+    // Header
+    document.getElementById('inspect-glyph').textContent = region.glyph || '\uD83D\uDCCB';
+    document.getElementById('inspect-title').textContent = data.content
+      ? (data.content.length > 60 ? data.content.slice(0, 60) + '\u2026' : data.content)
+      : data.id || 'Memory';
+
+    // Meta bar
+    const metaEl = document.getElementById('inspect-meta');
+    const catLabel = region.label || data.category || 'Unknown';
+    const created = data.timestamp ? _formatTime(data.timestamp) : '';
+    metaEl.innerHTML = `
+      <span class="inspect-badge" style="border-color:${'#' + region.color.toString(16).padStart(6,'0')}">${catLabel}</span>
+      <span class="inspect-vitality" style="color:${bandColor}">
+        \u25CF ${vitalityBand} (${Math.round(strength * 100)}%)
+      </span>
+      ${created ? `<span class="inspect-time">${created}</span>` : ''}
+    `;
+
+    // Content
+    const contentEl = document.getElementById('inspect-content');
+    contentEl.textContent = data.content || '(no content)';
+
+    // Links
+    const linksEl = document.getElementById('inspect-links');
+    const connections = data.connections || [];
+    if (connections.length > 0) {
+      let linksHtml = '<div class="inspect-links-header">Linked Memories (' + connections.length + ')</div>';
+      linksHtml += '<div class="inspect-links-list">';
+      connections.forEach(cid => {
+        const linked = _getLinkedPreview(cid);
+        linksHtml += `<div class="inspect-link-item" data-mem-id="${cid}">
+          <span class="inspect-link-dot"></span>
+          <span class="inspect-link-text">${linked}</span>
+        </div>`;
+      });
+      linksHtml += '</div>';
+      linksEl.innerHTML = linksHtml;
+
+      // Wire click handlers for linked memories
+      linksEl.querySelectorAll('.inspect-link-item').forEach(el => {
+        el.addEventListener('click', () => {
+          const targetId = el.dataset.memId;
+          if (targetId) inspect(targetId);
+        });
+      });
+    } else {
+      linksEl.innerHTML = '<div class="inspect-no-links">No linked memories</div>';
+    }
+
+    // Footer
+    const footerEl = document.getElementById('inspect-footer');
+    footerEl.innerHTML = `
+      <button class="inspect-action-btn" id="inspect-copy-btn" title="Copy content">\uD83D\uDCCB Copy</button>
+      <span class="inspect-id" title="Memory ID">${data.id || ''}</span>
+    `;
+    document.getElementById('inspect-copy-btn').addEventListener('click', () => {
+      navigator.clipboard.writeText(data.content || '').then(() => {
+        const btn = document.getElementById('inspect-copy-btn');
+        btn.textContent = '\u2713 Copied';
+        setTimeout(() => { btn.textContent = '\uD83D\uDCCB Copy'; }, 1500);
+      });
+    });
+  }
+
+  function _getLinkedPreview(memId) {
+    if (!_spatialMemory) return memId;
+    const all = _spatialMemory.getAllMemories();
+    if (!all) return memId;
+    const entry = all.find(m => m.id === memId);
+    if (!entry || !entry.content) return memId;
+    return entry.content.length > 40 ? entry.content.slice(0, 40) + '\u2026' : entry.content;
+  }
+
+  function _getVitalityBand(strength) {
+    if (strength >= 0.8) return 'vibrant';
+    if (strength >= 0.5) return 'alive';
+    if (strength >= 0.25) return 'fading';
+    if (strength >= 0.1) return 'dim';
+    return 'ghost';
+  }
+
+  function _formatTime(isoStr) {
+    try {
+      const d = new Date(isoStr);
+      const now = new Date();
+      const diffMs = now - d;
+      const diffMin = Math.floor(diffMs / 60000);
+      if (diffMin < 1) return 'just now';
+      if (diffMin < 60) return diffMin + 'm ago';
+      const diffHr = Math.floor(diffMin / 60);
+      if (diffHr < 24) return diffHr + 'h ago';
+      const diffDay = Math.floor(diffHr / 24);
+      if (diffDay < 30) return diffDay + 'd ago';
+      return d.toLocaleDateString();
+    } catch {
+      return '';
+    }
+  }
+
+  function _open() {
+    _isOpen = true;
+    _panel.classList.remove('memory-inspect-hidden');
+    _panel.classList.add('memory-inspect-visible');
+  }
+
+  function _close() {
+    _isOpen = false;
+    _panel.classList.remove('memory-inspect-visible');
+    _panel.classList.add('memory-inspect-hidden');
+  }
+
+  function _injectStyles() {
+    if (document.getElementById('memory-inspect-styles')) return;
+    const style = document.createElement('style');
+    style.id = 'memory-inspect-styles';
+    style.textContent = `
+      .memory-inspect-panel {
+        position: fixed;
+        top: 60px;
+        right: 0;
+        width: 340px;
+        max-height: calc(100vh - 80px);
+        background: rgba(8, 12, 32, 0.92);
+        border: 1px solid rgba(74, 240, 192, 0.2);
+        border-right: none;
+        border-radius: 8px 0 0 8px;
+        color: #c8d8e8;
+        font-family: 'JetBrains Mono', 'Fira Code', monospace;
+        font-size: 13px;
+        z-index: 900;
+        display: flex;
+        flex-direction: column;
+        backdrop-filter: blur(12px);
+        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
+        transition: transform 0.25s ease, opacity 0.25s ease;
+        overflow: hidden;
+      }
+      .memory-inspect-hidden {
+        transform: translateX(100%);
+        opacity: 0;
+        pointer-events: none;
+      }
+      .memory-inspect-visible {
+        transform: translateX(0);
+        opacity: 1;
+        pointer-events: auto;
+      }
+      .memory-inspect-header {
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        padding: 10px 12px;
+        border-bottom: 1px solid rgba(74, 240, 192, 0.15);
+        background: rgba(74, 240, 192, 0.05);
+      }
+      .memory-inspect-glyph {
+        font-size: 18px;
+        flex-shrink: 0;
+      }
+      .memory-inspect-title {
+        flex: 1;
+        font-weight: 600;
+        color: #4af0c0;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+      }
+      .memory-inspect-close {
+        background: none;
+        border: none;
+        color: #667788;
+        font-size: 20px;
+        cursor: pointer;
+        padding: 0 4px;
+        line-height: 1;
+      }
+      .memory-inspect-close:hover {
+        color: #ff4466;
+      }
+      .memory-inspect-body {
+        flex: 1;
+        overflow-y: auto;
+        padding: 12px;
+      }
+      .memory-inspect-meta {
+        display: flex;
+        align-items: center;
+        gap: 10px;
+        flex-wrap: wrap;
+        margin-bottom: 12px;
+        font-size: 11px;
+      }
+      .inspect-badge {
+        padding: 2px 8px;
+        border: 1px solid;
+        border-radius: 4px;
+        font-size: 10px;
+        text-transform: uppercase;
+        letter-spacing: 0.5px;
+      }
+      .inspect-vitality {
+        font-size: 11px;
+      }
+      .inspect-time {
+        color: #556677;
+        font-size: 10px;
+      }
+      .memory-inspect-content {
+        background: rgba(0, 0, 0, 0.3);
+        border: 1px solid rgba(255, 255, 255, 0.06);
+        border-radius: 6px;
+        padding: 10px;
+        line-height: 1.5;
+        white-space: pre-wrap;
+        word-break: break-word;
+        margin-bottom: 12px;
+        max-height: 200px;
+        overflow-y: auto;
+      }
+      .inspect-links-header {
+        font-size: 11px;
+        color: #7b5cff;
+        text-transform: uppercase;
+        letter-spacing: 0.5px;
+        margin-bottom: 6px;
+      }
+      .inspect-links-list {
+        display: flex;
+        flex-direction: column;
+        gap: 4px;
+      }
+      .inspect-link-item {
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        padding: 6px 8px;
+        background: rgba(123, 92, 255, 0.08);
+        border: 1px solid rgba(123, 92, 255, 0.15);
+        border-radius: 4px;
+        cursor: pointer;
+        font-size: 11px;
+        transition: background 0.15s;
+      }
+      .inspect-link-item:hover {
+        background: rgba(123, 92, 255, 0.18);
+      }
+      .inspect-link-dot {
+        width: 6px;
+        height: 6px;
+        border-radius: 50%;
+        background: #7b5cff;
+        flex-shrink: 0;
+      }
+      .inspect-link-text {
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+      }
+      .inspect-no-links {
+        color: #445566;
+        font-size: 11px;
+        font-style: italic;
+      }
+      .memory-inspect-footer {
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+        padding: 8px 12px;
+        border-top: 1px solid rgba(74, 240, 192, 0.1);
+      }
+      .inspect-action-btn {
+        background: rgba(74, 240, 192, 0.1);
+        border: 1px solid rgba(74, 240, 192, 0.25);
+        color: #4af0c0;
+        padding: 4px 12px;
+        border-radius: 4px;
+        cursor: pointer;
+        font-size: 11px;
+        font-family: inherit;
+        transition: background 0.15s;
+      }
+      .inspect-action-btn:hover {
+        background: rgba(74, 240, 192, 0.2);
+      }
+      .inspect-id {
+        color: #334455;
+        font-size: 9px;
+        max-width: 160px;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+      }
+    `;
+    document.head.appendChild(style);
+  }
+
+  return { init, inspect, close, isOpen, getCurrentMemId };
+})();
+
+export { MemoryInspect };