working on crop

src/log/ClientLogWatcher.ts

@@ -1,6 +1,6 @@
 import { EventEmitter } from 'events';
 import { watch } from 'chokidar';
-import { createReadStream, statSync } from 'fs';
+import { createReadStream, statSync, openSync, readSync, closeSync } from 'fs';
 import { createInterface } from 'readline';
 import { logger } from '../util/logger.js';
 
@@ -32,6 +32,8 @@ export class ClientLogWatcher extends EventEmitter {
     try {
       const stats = statSync(this.logPath);
       this.fileOffset = stats.size;
+      // Read tail of log to determine current area before we start watching
+      this.detectCurrentArea(stats.size);
     } catch {
       logger.warn({ path: this.logPath }, 'Log file not found yet, will watch for creation');
       this.fileOffset = 0;
@@ -47,7 +49,39 @@ export class ClientLogWatcher extends EventEmitter {
       this.readNewLines();
     });
 
-    logger.info({ path: this.logPath }, 'Watching Client.txt for game events');
+    logger.info({ path: this.logPath, currentArea: this.currentArea || '(unknown)' }, 'Watching Client.txt for game events');
+  }
+
+  /** Read the last chunk of the log file to determine the current area. */
+  private detectCurrentArea(fileSize: number): void {
+    const TAIL_BYTES = 8192;
+    const start = Math.max(0, fileSize - TAIL_BYTES);
+    const buf = Buffer.alloc(Math.min(TAIL_BYTES, fileSize));
+    const fd = openSync(this.logPath, 'r');
+    try {
+      readSync(fd, buf, 0, buf.length, start);
+    } finally {
+      closeSync(fd);
+    }
+    const tail = buf.toString('utf-8');
+    const lines = tail.split(/\r?\n/);
+
+    // Walk backwards to find the most recent area transition
+    for (let i = lines.length - 1; i >= 0; i--) {
+      const line = lines[i];
+      const sceneMatch = line.match(/\[SCENE\] Set Source \[(.+?)\]/);
+      if (sceneMatch && sceneMatch[1] !== '(null)') {
+        this.currentArea = sceneMatch[1];
+        logger.info({ area: this.currentArea }, 'Detected current area from log tail');
+        return;
+      }
+      const areaMatch = line.match(/You have entered (.+?)\.?$/);
+      if (areaMatch) {
+        this.currentArea = areaMatch[1];
+        logger.info({ area: this.currentArea }, 'Detected current area from log tail');
+        return;
+      }
+    }
   }
 
   private readNewLines(): void {