feat: Implement block discovery endpoint and update worldBlocks state on discovery

client/src/store/turtleStore.js

@@ -77,6 +77,15 @@ export const useTurtleStore = create((set, get) => ({
               }
             }
           }));
+        } else if (data.type === 'block_discovered') {
+          if (data.block) {
+            set(state => {
+              const blockMap = new Map(state.worldBlocks.map(b => [`${b.x},${b.y},${b.z}`, b]));
+              const key = `${data.block.x},${data.block.y},${data.block.z}`;
+              blockMap.set(key, data.block);
+              return { worldBlocks: Array.from(blockMap.values()) };
+            });
+          }
         }
       } catch (error) {
         console.error('Error processing message:', error);

server/server.js

@@ -364,6 +364,31 @@ app.get('/api/world/blocks', (req, res) => {
   res.json({ blocks });
 });
 
+// Store a discovered block
+app.post('/api/world/blocks', (req, res) => {
+  try {
+    const { x, y, z, blockName, metadata, discoveredBy } = req.body;
+    
+    if (x === undefined || y === undefined || z === undefined || !blockName) {
+      return res.status(400).json({ error: 'Missing required fields: x, y, z, blockName' });
+    }
+    
+    const blockData = { name: blockName, metadata: metadata || 0 };
+    storeBlock(x, y, z, blockData, discoveredBy);
+    
+    // Broadcast to web clients
+    broadcastToClients({
+      type: 'block_discovered',
+      block: { x, y, z, name: blockName, metadata: metadata || 0, discoveredBy, timestamp: Date.now() }
+    });
+    
+    res.json({ success: true });
+  } catch (error) {
+    console.error('❌ Error storing block:', error);
+    res.status(500).json({ error: error.message });
+  }
+});
+
 // Send command to turtle
 app.post('/api/turtle/:id/command', (req, res) => {
   try {
@@ -390,24 +415,6 @@ app.post('/api/turtle/:id/command', (req, res) => {
   }
 });
 
-// Cleanup stale turtles (haven't updated in 30 seconds)
-setInterval(() => {
-  const now = Date.now();
-  const timeout = 30000; // 30 seconds
-
-  for (const [turtleID, turtle] of turtleData.entries()) {
-    if (now - turtle.lastUpdate > timeout) {
-      console.log(`🗑️  Removing stale turtle: ${turtleID}`);
-      turtleData.delete(turtleID);
-      
-      broadcastToClients({
-        type: 'turtle_disconnected',
-        turtleID
-      });
-    }
-  }
-}, 10000); // Check every 10 seconds
-
 // ========== PATH RECORDING ENDPOINTS ==========
 
 // Save a recorded path
@@ -575,7 +582,9 @@ app.get('/api/stats', (req, res) => {
   try {
     const stats = {
       activeTurtles: turtleData.size,
+      turtles: turtleData.size,
       totalBlocks: worldBlocks.size,
+      blocks: worldBlocks.size,
       savedHomes: turtleHomes.size,
       connectedClients: webClients.size,
       tasks: db.getAllTasks().length,