feat: raw amqplib exchange publishing for inter-plugin RPC — v1.7.0

package-lock.json

@@ -1,33 +1,45 @@
 {
-  "name": "erp-plugin-sdk",
+  "name": "@erp/plugin-sdk",
-  "version": "1.0.0",
+  "version": "1.5.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "erp-plugin-sdk",
+      "name": "@erp/plugin-sdk",
-      "version": "1.0.0",
+      "version": "1.5.0",
       "license": "ISC",
       "dependencies": {
+        "uuid": "^9.0.1"
+      },
+      "bin": {
+        "create-erp-plugin": "dist/cli/index.js"
+      },
+      "devDependencies": {
         "@nestjs/common": "^11.1.23",
         "@nestjs/core": "^11.1.23",
         "@nestjs/microservices": "^11.1.23",
+        "@types/amqplib": "^0.10.8",
         "@types/node": "^25.9.1",
         "@types/react": "^19.2.15",
         "@types/uuid": "^9.0.8",
         "reflect-metadata": "^0.2.2",
         "rxjs": "^7.8.2",
-        "typescript": "^6.0.3",
+        "typescript": "^6.0.3"
-        "uuid": "^9.0.1"
       },
-      "bin": {
+      "peerDependencies": {
-        "create-erp-plugin": "dist/cli/index.js"
+        "@nestjs/common": "^10.0.0 || ^11.0.0",
+        "@nestjs/core": "^10.0.0 || ^11.0.0",
+        "@nestjs/microservices": "^10.0.0 || ^11.0.0",
+        "amqplib": "^0.10.3",
+        "reflect-metadata": "^0.1.12 || ^0.2.0",
+        "rxjs": "^7.8.2"
       }
     },
     "node_modules/@borewit/text-codec": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/@borewit/text-codec/-/text-codec-0.2.2.tgz",
       "integrity": "sha512-DDaRehssg1aNrH4+2hnj1B7vnUGEjU6OIlyRdkMd0aUdIUvKXrJfXsy8LVtXAy7DRvYVluWbMspsRhz2lcW0mQ==",
+      "dev": true,
       "license": "MIT",
       "funding": {
         "type": "github",
@@ -38,6 +50,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@lukeed/csprng/-/csprng-1.1.0.tgz",
       "integrity": "sha512-Z7C/xXCiGWsg0KuKsHTKJxbWhpI3Vs5GwLfOean7MGyVFGqdRgBbAjOCh6u4bbjPc/8MJ2pZmK/0DLdCbivLDA==",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=8"
@@ -47,6 +60,7 @@
       "version": "11.1.23",
       "resolved": "https://registry.npmjs.org/@nestjs/common/-/common-11.1.23.tgz",
       "integrity": "sha512-qKgEqwQXHIVu8TwiISmgbTrGHAFBsseP86KNolBZwAiHQryinJ5FPiDpp0ZJBBryY+WEMnsqaCa4TSxVuQEWug==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "file-type": "21.3.4",
@@ -78,6 +92,7 @@
       "version": "11.1.23",
       "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-11.1.23.tgz",
       "integrity": "sha512-Yd+mVFUilw4A6PzV7tyfiW+zrG2wmRXnFZVmNQA+fl1N0k6km4bhhNboxjLu//dzl+XiZI5AsOHHOTegzvOgNQ==",
+      "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
@@ -119,6 +134,7 @@
       "version": "11.1.23",
       "resolved": "https://registry.npmjs.org/@nestjs/microservices/-/microservices-11.1.23.tgz",
       "integrity": "sha512-iVPp3u274Xx6XAEbKPWDCzUHP6wlt7L7RXUIyIpf3caJ3ldFh/dG3uyHva1lgjHG+ukz+XCXafl1cx352TPW0w==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "iterare": "1.2.1",
@@ -177,6 +193,7 @@
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@nuxt/opencollective/-/opencollective-0.4.1.tgz",
       "integrity": "sha512-GXD3wy50qYbxCJ652bDrDzgMr3NFEkIS374+IgFQKkCvk9yiYcLvX2XDYr7UyQxf4wK0e+yqDYRubZ0DtOxnmQ==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "consola": "^3.2.3"
@@ -193,6 +210,7 @@
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@tokenizer/inflate/-/inflate-0.4.1.tgz",
       "integrity": "sha512-2mAv+8pkG6GIZiF1kNg1jAjh27IDxEPKwdGul3snfztFerfPGI1LjDezZp3i7BElXompqEtPmoPx6c2wgtWsOA==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "debug": "^4.4.3",
@@ -210,12 +228,24 @@
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/@tokenizer/token/-/token-0.3.0.tgz",
       "integrity": "sha512-OvjF+z51L3ov0OyAU0duzsYuvO01PH7x4t6DJx+guahgTnBHkhJdG7soQeTSFLWN3efnHyibZ4Z8l2EuWwJN3A==",
+      "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/amqplib": {
+      "version": "0.10.8",
+      "resolved": "https://registry.npmjs.org/@types/amqplib/-/amqplib-0.10.8.tgz",
+      "integrity": "sha512-vtDp8Pk1wsE/AuQ8/Rgtm6KUZYqcnTgNvEHwzCkX8rL7AGsC6zqAfKAAJhUZXFhM/Pp++tbnUHiam/8vVpPztA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/node": {
       "version": "25.9.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.1.tgz",
       "integrity": "sha512-xfrlY7UD5rMJk3ZVJP8BNzS28J36YJg+xp+LPXV1TdWxr8uMH5A860QNxYDGQe/ylDSgjxE52Q9VnO7p75tJxg==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "undici-types": ">=7.24.0 <7.24.7"
@@ -225,6 +255,7 @@
       "version": "19.2.15",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.15.tgz",
       "integrity": "sha512-eRwcGNHve+E8qtEQSSRl6urh+rFop4v8gm6O8rGv25CodbvFdLjA1vVQ1KkiFE0w0UPOnb8tDiFKL5lp0rtY5Q==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "csstype": "^3.2.2"
@@ -234,12 +265,35 @@
       "version": "9.0.8",
       "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-9.0.8.tgz",
       "integrity": "sha512-jg+97EGIcY9AGHJJRaaPVgetKDsrTgbRjQ5Msgjh/DQKEFl0DtyRr/VCOyD1T2R1MNeWPK/u7JoGhlDZnKBAfA==",
+      "dev": true,
       "license": "MIT"
     },
+    "node_modules/amqplib": {
+      "version": "0.10.9",
+      "resolved": "https://registry.npmjs.org/amqplib/-/amqplib-0.10.9.tgz",
+      "integrity": "sha512-jwSftI4QjS3mizvnSnOrPGYiUnm1vI2OP1iXeOUz5pb74Ua0nbf6nPyyTzuiCLEE3fMpaJORXh2K/TQ08H5xGA==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "buffer-more-ints": "~1.0.0",
+        "url-parse": "~1.5.10"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/buffer-more-ints": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-more-ints/-/buffer-more-ints-1.0.0.tgz",
+      "integrity": "sha512-EMetuGFz5SLsT0QTnXzINh4Ksr+oo4i+UGTXEshiGCQWnsgSs7ZhJ8fzlwQ+OzEMs0MpDAMr1hxnblp5a4vcHg==",
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/consola": {
       "version": "3.4.2",
       "resolved": "https://registry.npmjs.org/consola/-/consola-3.4.2.tgz",
       "integrity": "sha512-5IKcdX0nnYavi6G7TtOhwkYzyjfJlatbjMjuLSfE2kYT5pMDOilZ4OvMhi637CcDICTmz3wARPoyhqyX1Y+XvA==",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": "^14.18.0 || >=16.10.0"
@@ -249,12 +303,14 @@
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
       "integrity": "sha512-z1HGKcYy2xA8AGQfwrn0PAy+PB7X/GSj3UVJW9qKyn43xWa+gl5nXmU4qqLMRzWVLFC8KusUX8T/0kCiOYpAIQ==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/debug": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
       "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ms": "^2.1.3"
@@ -272,12 +328,14 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.1.1.tgz",
       "integrity": "sha512-W+KJc2dmILlPplD/H4K9l9LcAHAfPtP6BY84uVLXQ6Evcz9Lcg33Y2z1IVblT6xdY54PXYVHEv+0Wpq8Io6zkA==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/file-type": {
       "version": "21.3.4",
       "resolved": "https://registry.npmjs.org/file-type/-/file-type-21.3.4.tgz",
       "integrity": "sha512-Ievi/yy8DS3ygGvT47PjSfdFoX+2isQueoYP1cntFW1JLYAuS4GD7NUPGg4zv2iZfV52uDyk5w5Z0TdpRS6Q1g==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@tokenizer/inflate": "^0.4.1",
@@ -296,6 +354,7 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
       "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
+      "dev": true,
       "funding": [
         {
           "type": "github",
@@ -316,6 +375,7 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/iterare/-/iterare-1.2.1.tgz",
       "integrity": "sha512-RKYVTCjAnRthyJes037NX/IiqeidgN1xc3j1RjFfECFp28A1GVwK9nA+i0rJPaHqSZwygLzRnFlzUuHFoWWy+Q==",
+      "dev": true,
       "license": "ISC",
       "engines": {
         "node": ">=6"
@@ -325,6 +385,7 @@
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/load-esm/-/load-esm-1.0.3.tgz",
       "integrity": "sha512-v5xlu8eHD1+6r8EHTg6hfmO97LN8ugKtiXcy5e6oN72iD2r6u0RPfLl6fxM+7Wnh2ZRq15o0russMst44WauPA==",
+      "dev": true,
       "funding": [
         {
           "type": "github",
@@ -344,28 +405,46 @@
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/path-to-regexp": {
       "version": "8.4.2",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.4.2.tgz",
       "integrity": "sha512-qRcuIdP69NPm4qbACK+aDogI5CBDMi1jKe0ry5rSQJz8JVLsC7jV8XpiJjGRLLol3N+R5ihGYcrPLTno6pAdBA==",
+      "dev": true,
       "license": "MIT",
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/querystringify": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
+      "integrity": "sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==",
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/reflect-metadata": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/reflect-metadata/-/reflect-metadata-0.2.2.tgz",
       "integrity": "sha512-urBwgfrvVP/eAyXx4hluJivBKzuEbSQs9rKWCrCkbSxNv8mxPcUZKeuoF3Uy4mJl3Lwprp6yy5/39VWigZ4K6Q==",
+      "dev": true,
       "license": "Apache-2.0"
     },
+    "node_modules/requires-port": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
+      "integrity": "sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==",
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/rxjs": {
       "version": "7.8.2",
       "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.2.tgz",
       "integrity": "sha512-dhKf903U/PQZY6boNNtAGdWbG85WAbjT/1xYoZIC7FAY0yWapOBQVsVrDl58W86//e1VpMNBtRV4MaXfdMySFA==",
+      "dev": true,
       "license": "Apache-2.0",
       "dependencies": {
         "tslib": "^2.1.0"
@@ -375,6 +454,7 @@
       "version": "10.3.5",
       "resolved": "https://registry.npmjs.org/strtok3/-/strtok3-10.3.5.tgz",
       "integrity": "sha512-ki4hZQfh5rX0QDLLkOCj+h+CVNkqmp/CMf8v8kZpkNVK6jGQooMytqzLZYUVYIZcFZ6yDB70EfD8POcFXiF5oA==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@tokenizer/token": "^0.3.0"
@@ -391,6 +471,7 @@
       "version": "6.1.2",
       "resolved": "https://registry.npmjs.org/token-types/-/token-types-6.1.2.tgz",
       "integrity": "sha512-dRXchy+C0IgK8WPC6xvCHFRIWYUbqqdEIKPaKo/AcTUNzwLTK6AH7RjdLWsEZcAN/TBdtfUw3PYEgPr5VPr6ww==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@borewit/text-codec": "^0.2.1",
@@ -409,12 +490,14 @@
       "version": "2.8.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "dev": true,
       "license": "0BSD"
     },
     "node_modules/typescript": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
       "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+      "dev": true,
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
@@ -428,6 +511,7 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/uid/-/uid-2.0.2.tgz",
       "integrity": "sha512-u3xV3X7uzvi5b1MncmZo3i2Aw222Zk1keqLA1YkHldREkAhAqi65wuPfe7lHx8H/Wzy+8CE7S7uS3jekIM5s8g==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@lukeed/csprng": "^1.0.0"
@@ -440,6 +524,7 @@
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/uint8array-extras/-/uint8array-extras-1.5.0.tgz",
       "integrity": "sha512-rvKSBiC5zqCCiDZ9kAOszZcDvdAHwwIKJG33Ykj43OKcWsnmcBRL09YTU4nOeHZ8Y2a7l1MgTd08SBe9A8Qj6A==",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=18"
@@ -452,8 +537,20 @@
       "version": "7.24.6",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
       "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "dev": true,
       "license": "MIT"
     },
+    "node_modules/url-parse": {
+      "version": "1.5.10",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
+      "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "querystringify": "^2.1.1",
+        "requires-port": "^1.0.0"
+      }
+    },
     "node_modules/uuid": {
       "version": "9.0.1",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.1.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@erp/plugin-sdk",
-  "version": "1.4.0",
+  "version": "1.7.0",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "bin": {
@@ -19,7 +19,10 @@
   "author": "",
   "license": "ISC",
   "description": "ERP Plugin SDK — build micro-frontend/backend plugins for the ERP platform",
-  "files": ["dist/", "README.md"],
+  "files": [
+    "dist/",
+    "README.md"
+  ],
   "publishConfig": {
     "registry": "https://gitea.ss.3w.com.ua/api/packages/erp/npm/"
   },
@@ -30,6 +33,7 @@
     "@nestjs/common": "^10.0.0 || ^11.0.0",
     "@nestjs/core": "^10.0.0 || ^11.0.0",
     "@nestjs/microservices": "^10.0.0 || ^11.0.0",
+    "amqplib": "^0.10.3",
     "reflect-metadata": "^0.1.12 || ^0.2.0",
     "rxjs": "^7.8.2"
   },
@@ -37,6 +41,7 @@
     "@nestjs/common": "^11.1.23",
     "@nestjs/core": "^11.1.23",
     "@nestjs/microservices": "^11.1.23",
+    "@types/amqplib": "^0.10.8",
     "@types/node": "^25.9.1",
     "@types/react": "^19.2.15",
     "@types/uuid": "^9.0.8",

src/backend/config/rabbitmq.config.ts

@@ -1,4 +1,5 @@
 import { Transport, MicroserviceOptions, RmqOptions } from '@nestjs/microservices';
+import * as amqp from 'amqplib';
 
 export const getRabbitMQOptions = (queueName: string, url?: string, pluginId?: string): MicroserviceOptions => {
   const routingKeys: string[] = ['#'];
@@ -36,3 +37,29 @@ export const getRabbitMQClientOptions = (url?: string) => {
     },
   };
 };
+
+/**
+ * Bind a queue to the system_events exchange with the given routing keys.
+ * NestJS 10's ServerRMQ does not automatically bind queues to exchanges,
+ * so this must be called after app.startAllMicroservices().
+ * NestJS 11+ handles this automatically via the exchange/routingKey options.
+ */
+export async function setupQueueBindings(
+  queueName: string,
+  routingKeys: string[],
+  url?: string,
+): Promise<void> {
+  const rmqUrl = url || process.env.RABBITMQ_URL || 'amqp://localhost:5672';
+  const conn = await amqp.connect(rmqUrl);
+  try {
+    const channel = await conn.createChannel();
+    await channel.assertExchange('system_events', 'topic', { durable: true });
+    await channel.assertQueue(queueName, { durable: true });
+    for (const key of routingKeys) {
+      await channel.bindQueue(queueName, 'system_events', key);
+    }
+    await channel.close();
+  } finally {
+    await conn.close().catch(() => {});
+  }
+}

src/backend/services/core.service.ts

@@ -5,6 +5,7 @@ import { SystemEvent } from '../interfaces/communication';
 import { v4 as uuidv4 } from 'uuid';
 import * as fs from 'fs';
 import * as path from 'path';
+import * as amqp from 'amqplib';
 import { requestContext } from '../interceptors/request-context.interceptor';
 
 @Injectable()
@@ -182,14 +183,38 @@ export class CoreService {
    *
    * Інші плагіни теж отримують подію (через # binding), але за конвенцією
    * мають ігнорувати події з префіксом plugin.<чужойId>.
+   *
+   * IMPORTANT: Uses raw amqplib to publish to system_events exchange (not ClientProxy),
+   * because NestJS 10 ClientRMQ ignores the exchange option and sends directly to a queue.
    */
   async emitToPlugin(pluginId: string, pattern: string, payload: any): Promise<void> {
-    await this.emit(`plugin.${pluginId}.${pattern}`, payload);
+    const routingKey = `plugin.${pluginId}.${pattern}`;
+    const event: SystemEvent = {
+      eventId: uuidv4(),
+      pattern: routingKey,
+      payload,
+      source: this.serviceName,
+      timestamp: Date.now(),
+    };
+    try {
+      const conn = await amqp.connect(this.getRMQUrl());
+      const ch = await conn.createChannel();
+      ch.publish('system_events', routingKey, Buffer.from(JSON.stringify(event)), {
+        persistent: true,
+        contentType: 'application/json',
+      });
+      await ch.close();
+      await conn.close();
+      this.logger.log(`[emitToPlugin] Published to ${routingKey}`);
+    } catch (err: any) {
+      this.logger.error(`[emitToPlugin] Failed for ${routingKey}: ${err.message}`);
+    }
   }
 
   /**
    * RPC-виклик до іншого плагіна з очікуванням відповіді.
    * Використовує NestJS RabbitMQ RPC (send / @MessagePattern).
+   * Публікує в system_events exchange (raw amqplib, not ClientProxy).
    * Цільовий плагін має обробити запит через @MessagePattern('plugin.<pluginId>.<pattern>').
    *
    * @param pluginId — ID цільового плагіна
@@ -204,17 +229,58 @@ export class CoreService {
     payload: any,
     timeoutMs: number = 5000,
   ): Promise<T | null> {
+    const routingKey = `plugin.${pluginId}.${pattern}`;
+    const correlationId = uuidv4();
     try {
-      return await firstValueFrom(
+      const conn = await amqp.connect(this.getRMQUrl());
-        this.client.send(`plugin.${pluginId}.${pattern}`, payload).pipe(rxTimeout(timeoutMs)),
+      const ch = await conn.createChannel();
-        { defaultValue: null },
+      const replyQueue = await ch.assertQueue('', { exclusive: true, autoDelete: true });
-      );
+
+      const msg = {
+        id: correlationId,
+        pattern: routingKey,
+        data: payload,
+      };
+
+      ch.publish('system_events', routingKey, Buffer.from(JSON.stringify(msg)), {
+        correlationId,
+        replyTo: replyQueue.queue,
+        persistent: true,
+        contentType: 'application/json',
+      });
+
+      const result = await new Promise<T | null>((resolve) => {
+        const timer = setTimeout(() => {
+          this.logger.warn(`[requestPlugin] Timeout for ${routingKey}`);
+          resolve(null);
+        }, timeoutMs);
+
+        ch.consume(replyQueue.queue, (rmqMsg) => {
+          if (rmqMsg && rmqMsg.properties.correlationId === correlationId) {
+            clearTimeout(timer);
+            try {
+              const parsed = JSON.parse(rmqMsg.content.toString());
+              resolve(parsed.response ?? parsed);
+            } catch {
+              resolve(null);
+            }
+          }
+        }, { noAck: true });
+      });
+
+      await ch.close();
+      await conn.close();
+      return result;
     } catch (err: any) {
-      this.logger.error(`[requestPlugin] failed for ${pluginId}/${pattern}: ${err.message}`);
+      this.logger.error(`[requestPlugin] Failed for ${routingKey}: ${err.message}`);
       return null;
     }
   }
 
+  private getRMQUrl(): string {
+    return process.env.RABBITMQ_URL || 'amqp://localhost:5672';
+  }
+
   async emit<T>(pattern: string, payload: T): Promise<void> {
     const event: SystemEvent<T> = {
       eventId: uuidv4(),