chore: update postman base_url to localhost:6100

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

postman_collection.json

@@ -1,7 +1,7 @@
 {
   "info": {
     "name": "Zombie Invasion API",
-    "description": "API endpoints for the Zombie Invasion Dota 2 custom game. Base URL: http://82.146.52.69:3000/api\n\nAuth: x-custom-key header from GetDedicatedServerKeyV3(\"zombie_invasion\")\nCheat mode fallback key: menya_ebut_negry_tolpoy",
+    "description": "API endpoints for the Zombie Invasion Dota 2 custom game. Base URL: http://localhost:6100/api\n\nAuth: x-custom-key header from GetDedicatedServerKeyV3(\"zombie_invasion\")\nCheat mode fallback key: menya_ebut_negry_tolpoy",
     "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
     "_exporter_id": "manual"
   },
@@ -903,12 +903,12 @@
   "variable": [
     {
       "key": "base_url",
-      "value": "http://82.146.52.69:3000/api",
+      "value": "http://localhost:6100/api",
       "type": "string"
     },
     {
       "key": "x-custom-key",
-      "value": "menya_ebut_negry_tolpoy",
+      "value": "localhost",
       "type": "string"
     },
     {