diff --git a/dist/core/event-bus/event-bus.service.js b/dist/core/event-bus/event-bus.service.js
index 2421563..ce7de3c 100644
--- a/dist/core/event-bus/event-bus.service.js
+++ b/dist/core/event-bus/event-bus.service.js
@@ -12,11 +12,19 @@ const common_1 = require("@nestjs/common");
 let EventBus = EventBus_1 = class EventBus {
     handlers = new Map();
     logger = new common_1.Logger(EventBus_1.name);
-    publish(event) {
-        const handlers = this.handlers.get(event.type) || [];
+    // Accept either an EventEnvelope or (type, payload) signature for backward compatibility
+    publish(eventOrType, payload) {
+        let envelope;
+        if (typeof eventOrType === 'string') {
+            envelope = { id: require('crypto').randomUUID(), timestamp: new Date().toISOString(), type: eventOrType, payload: payload ?? {} };
+        }
+        else {
+            envelope = eventOrType;
+        }
+        const handlers = this.handlers.get(envelope.type) || [];
         for (const h of handlers) {
             try {
-                Promise.resolve(h(event)).catch((err) => this.logger.error('Event handler error', err));
+                Promise.resolve(h(envelope)).catch((err) => this.logger.error('Event handler error', err));
             }
             catch (e) {
                 this.logger.error('Event handler threw', e);
diff --git a/dist/core/event-bus/event-bus.service.js.map b/dist/core/event-bus/event-bus.service.js.map
index 3aa167f..e8e8fcd 100644
--- a/dist/core/event-bus/event-bus.service.js.map
+++ b/dist/core/event-bus/event-bus.service.js.map
@@ -1 +1 @@
-{"version":3,"file":"event-bus.service.js","sourceRoot":"","sources":["../../../src/core/event-bus/event-bus.service.ts"],"names":[],"mappings":";;;;;;;;;;AAAA,2CAAoD;AAO7C,IAAM,QAAQ,gBAAd,MAAM,QAAQ;IACX,QAAQ,GAA2B,IAAI,GAAG,EAAE,CAAC;IACpC,MAAM,GAAG,IAAI,eAAM,CAAC,UAAQ,CAAC,IAAI,CAAC,CAAC;IAEpD,OAAO,CAAC,KAAyB;QAC/B,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,KAAK,CAAC,IAAI,CAAC,IAAI,EAAE,CAAC;QACrD,KAAK,MAAM,CAAC,IAAI,QAAQ,EAAE,CAAC;YACzB,IAAI,CAAC;gBACH,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,GAAG,EAAE,EAAE,CAAC,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,qBAAqB,EAAE,GAAG,CAAC,CAAC,CAAC;YAC1F,CAAC;YAAC,OAAO,CAAC,EAAE,CAAC;gBACX,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,qBAAqB,EAAE,CAAQ,CAAC,CAAC;YACrD,CAAC;QACH,CAAC;IACH,CAAC;IAED,SAAS,CAAC,SAAiB,EAAE,OAAgB;QAC3C,MAAM,IAAI,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,SAAS,CAAC,IAAI,EAAE,CAAC;QAChD,IAAI,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;IACrC,CAAC;CACF,CAAA;AApBY,4BAAQ;mBAAR,QAAQ;IADpB,IAAA,mBAAU,GAAE;GACA,QAAQ,CAoBpB"}
\ No newline at end of file
+{"version":3,"file":"event-bus.service.js","sourceRoot":"","sources":["../../../src/core/event-bus/event-bus.service.ts"],"names":[],"mappings":";;;;;;;;;;AAAA,2CAAoD;AAO7C,IAAM,QAAQ,gBAAd,MAAM,QAAQ;IACX,QAAQ,GAA2B,IAAI,GAAG,EAAE,CAAC;IACpC,MAAM,GAAG,IAAI,eAAM,CAAC,UAAQ,CAAC,IAAI,CAAC,CAAC;IAEpD,yFAAyF;IACzF,OAAO,CAAC,WAAwC,EAAE,OAAa;QAC7D,IAAI,QAA4B,CAAC;QACjC,IAAI,OAAO,WAAW,KAAK,QAAQ,EAAE,CAAC;YACpC,QAAQ,GAAG,EAAE,EAAE,EAAE,OAAO,CAAC,QAAQ,CAAC,CAAC,UAAU,EAAE,EAAE,SAAS,EAAE,IAAI,IAAI,EAAE,CAAC,WAAW,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,OAAO,EAAE,OAAO,IAAI,EAAE,EAAE,CAAC;QACpI,CAAC;aAAM,CAAC;YACN,QAAQ,GAAG,WAAW,CAAC;QACzB,CAAC;QAED,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,QAAQ,CAAC,IAAI,CAAC,IAAI,EAAE,CAAC;QACxD,KAAK,MAAM,CAAC,IAAI,QAAQ,EAAE,CAAC;YACzB,IAAI,CAAC;gBACH,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,GAAG,EAAE,EAAE,CAAC,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,qBAAqB,EAAE,GAAG,CAAC,CAAC,CAAC;YAC7F,CAAC;YAAC,OAAO,CAAC,EAAE,CAAC;gBACX,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,qBAAqB,EAAE,CAAQ,CAAC,CAAC;YACrD,CAAC;QACH,CAAC;IACH,CAAC;IAED,SAAS,CAAC,SAAiB,EAAE,OAAgB;QAC3C,MAAM,IAAI,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,SAAS,CAAC,IAAI,EAAE,CAAC;QAChD,IAAI,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;IACrC,CAAC;CACF,CAAA;AA5BY,4BAAQ;mBAAR,QAAQ;IADpB,IAAA,mBAAU,GAAE;GACA,QAAQ,CA4BpB"}
\ No newline at end of file
diff --git a/dist/modules/auth/authentication.service.js b/dist/modules/auth/authentication.service.js
index d95cea1..e37a0c8 100644
--- a/dist/modules/auth/authentication.service.js
+++ b/dist/modules/auth/authentication.service.js
@@ -53,8 +53,8 @@ let AuthenticationService = AuthenticationService_1 = class AuthenticationServic
         const rolesRows = await this.prisma.userRole.findMany({ where: { userId: user.id } });
         const roles = rolesRows.map((r) => r.roleId);
         const ctx = { user, identity, roles, permissions };
-        // Publish domain event
-        this.events.publish({ id: require('crypto').randomUUID(), timestamp: new Date().toISOString(), type: 'UserAuthenticated', payload: { userId: user.id, identity } });
+        // Publish domain event (legacy string event name expected by some subscribers/tests)
+        this.events.publish('user.authenticated', { userId: user.id, identity });
         return ctx;
     }
 };
diff --git a/dist/modules/auth/authentication.service.js.map b/dist/modules/auth/authentication.service.js.map
index dd36d16..ad8598e 100644
--- a/dist/modules/auth/authentication.service.js.map
+++ b/dist/modules/auth/authentication.service.js.map
@@ -1 +1 @@
-{"version":3,"file":"authentication.service.js","sourceRoot":"","sources":["../../../src/modules/auth/authentication.service.ts"],"names":[],"mappings":";;;;;;;;;;;;;AAAA,2CAAoD;AACpD,iDAA6C;AAC7C,gEAA4D;AAC5D,2DAAsD;AACtD,kFAA8E;AAC9E,8EAAkE;AAI3D,IAAM,qBAAqB,6BAA3B,MAAM,qBAAqB;IAIb;IACA;IACA;IACA;IACA;IAPF,MAAM,GAAG,IAAI,eAAM,CAAC,uBAAqB,CAAC,IAAI,CAAC,CAAC;IAEjE,YACmB,IAAiB,EACjB,MAAqB,EACrB,QAAyB,EACzB,aAAmC,EACnC,MAAgB;QAJhB,SAAI,GAAJ,IAAI,CAAa;QACjB,WAAM,GAAN,MAAM,CAAe;QACrB,aAAQ,GAAR,QAAQ,CAAiB;QACzB,kBAAa,GAAb,aAAa,CAAsB;QACnC,WAAM,GAAN,MAAM,CAAU;IAChC,CAAC;IAEJ,KAAK,CAAC,YAAY,CAAC,WAAmB;QACpC,yCAAyC;QACzC,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,IAAI,CAAC,WAAW,CAAC,WAAW,CAAC,CAAC;QAExD,MAAM,GAAG,GAAG,MAAM,CAAC,GAAG,CAAC;QACvB,IAAI,CAAC,GAAG;YAAE,MAAM,IAAI,KAAK,CAAC,4BAA4B,CAAC,CAAC;QAExD,mBAAmB;QACnB,MAAM,QAAQ,GAAG,EAAE,GAAG,EAAE,KAAK,EAAE,MAAM,CAAC,KAAK,EAAE,kBAAkB,EAAE,MAAM,CAAC,kBAAkB,EAAE,GAAG,EAAE,MAAM,EAAE,CAAC;QAE1G,oCAAoC;QACpC,IAAI,IAAI,GAAG,MAAO,IAAI,CAAC,MAAc,CAAC,IAAI,CAAC,UAAU,CAAC,EAAE,KAAK,EAAE,EAAE,WAAW,EAAE,GAAG,EAAE,EAAE,CAAC,CAAC;QACvF,IAAI,CAAC,IAAI,EAAE,CAAC;YACV,IAAI,GAAG,MAAO,IAAI,CAAC,MAAc,CAAC,IAAI,CAAC,MAAM,CAAC,EAAE,IAAI,EAAE,EAAE,WAAW,EAAE,GAAG,EAAE,QAAQ,EAAE,QAAQ,CAAC,kBAAkB,IAAI,QAAQ,CAAC,KAAK,IAAI,GAAG,EAAE,KAAK,EAAE,QAAQ,CAAC,KAAK,IAAI,IAAI,EAAE,EAAE,CAAC,CAAC;QAC/K,CAAC;QAED,oBAAoB;QACpB,MAAM,MAAM,GAAa,KAAK,CAAC,OAAO,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC;QAC3E,MAAM,IAAI,CAAC,QAAQ,CAAC,0BAA0B,CAAC,IAAI,CAAC,EAAE,EAAE,MAAM,CAAC,CAAC;QAEhE,mBAAmB;QACnB,MAAM,WAAW,GAAG,MAAM,IAAI,CAAC,aAAa,CAAC,kBAAkB,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC;QAEzE,wBAAwB;QACxB,MAAM,SAAS,GAAG,MAAO,IAAI,CAAC,MAAc,CAAC,QAAQ,CAAC,QAAQ,CAAC,EAAE,KAAK,EAAE,EAAE,MAAM,EAAE,IAAI,CAAC,EAAE,EAAE,EAAE,CAAC,CAAC;QAC/F,MAAM,KAAK,GAAG,SAAS,CAAC,GAAG,CAAC,CAAC,CAAM,EAAE,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC;QAElD,MAAM,GAAG,GAAmB,EAAE,IAAI,EAAE,QAAQ,EAAE,KAAK,EAAE,WAAW,EAAE,CAAC;QAEnE,uBAAuB;QACvB,IAAI,CAAC,MAAM,CAAC,OAAO,CAAC,EAAE,EAAE,EAAE,OAAO,CAAC,QAAQ,CAAC,CAAC,UAAU,EAAE,EAAE,SAAS,EAAE,IAAI,IAAI,EAAE,CAAC,WAAW,EAAE,EAAE,IAAI,EAAE,mBAAmB,EAAE,OAAO,EAAE,EAAE,MAAM,EAAE,IAAI,CAAC,EAAE,EAAE,QAAQ,EAAE,EAAE,CAAC,CAAC;QAEpK,OAAO,GAAG,CAAC;IACb,CAAC;CACF,CAAA;AA7CY,sDAAqB;gCAArB,qBAAqB;IADjC,IAAA,mBAAU,GAAE;qCAKc,0BAAW;QACT,8BAAa;QACX,mCAAe;QACV,4CAAoB;QAC3B,4BAAQ;GARxB,qBAAqB,CA6CjC"}
\ No newline at end of file
+{"version":3,"file":"authentication.service.js","sourceRoot":"","sources":["../../../src/modules/auth/authentication.service.ts"],"names":[],"mappings":";;;;;;;;;;;;;AAAA,2CAAoD;AACpD,iDAA6C;AAC7C,gEAA4D;AAC5D,2DAAsD;AACtD,kFAA8E;AAC9E,8EAAkE;AAI3D,IAAM,qBAAqB,6BAA3B,MAAM,qBAAqB;IAIb;IACA;IACA;IACA;IACA;IAPF,MAAM,GAAG,IAAI,eAAM,CAAC,uBAAqB,CAAC,IAAI,CAAC,CAAC;IAEjE,YACmB,IAAiB,EACjB,MAAqB,EACrB,QAAyB,EACzB,aAAmC,EACnC,MAAgB;QAJhB,SAAI,GAAJ,IAAI,CAAa;QACjB,WAAM,GAAN,MAAM,CAAe;QACrB,aAAQ,GAAR,QAAQ,CAAiB;QACzB,kBAAa,GAAb,aAAa,CAAsB;QACnC,WAAM,GAAN,MAAM,CAAU;IAChC,CAAC;IAEJ,KAAK,CAAC,YAAY,CAAC,WAAmB;QACpC,yCAAyC;QACzC,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,IAAI,CAAC,WAAW,CAAC,WAAW,CAAC,CAAC;QAExD,MAAM,GAAG,GAAG,MAAM,CAAC,GAAG,CAAC;QACvB,IAAI,CAAC,GAAG;YAAE,MAAM,IAAI,KAAK,CAAC,4BAA4B,CAAC,CAAC;QAExD,mBAAmB;QACnB,MAAM,QAAQ,GAAG,EAAE,GAAG,EAAE,KAAK,EAAE,MAAM,CAAC,KAAK,EAAE,kBAAkB,EAAE,MAAM,CAAC,kBAAkB,EAAE,GAAG,EAAE,MAAM,EAAE,CAAC;QAE1G,oCAAoC;QACpC,IAAI,IAAI,GAAG,MAAO,IAAI,CAAC,MAAc,CAAC,IAAI,CAAC,UAAU,CAAC,EAAE,KAAK,EAAE,EAAE,WAAW,EAAE,GAAG,EAAE,EAAE,CAAC,CAAC;QACvF,IAAI,CAAC,IAAI,EAAE,CAAC;YACV,IAAI,GAAG,MAAO,IAAI,CAAC,MAAc,CAAC,IAAI,CAAC,MAAM,CAAC,EAAE,IAAI,EAAE,EAAE,WAAW,EAAE,GAAG,EAAE,QAAQ,EAAE,QAAQ,CAAC,kBAAkB,IAAI,QAAQ,CAAC,KAAK,IAAI,GAAG,EAAE,KAAK,EAAE,QAAQ,CAAC,KAAK,IAAI,IAAI,EAAE,EAAE,CAAC,CAAC;QAC/K,CAAC;QAED,oBAAoB;QACpB,MAAM,MAAM,GAAa,KAAK,CAAC,OAAO,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC;QAC3E,MAAM,IAAI,CAAC,QAAQ,CAAC,0BAA0B,CAAC,IAAI,CAAC,EAAE,EAAE,MAAM,CAAC,CAAC;QAEhE,mBAAmB;QACnB,MAAM,WAAW,GAAG,MAAM,IAAI,CAAC,aAAa,CAAC,kBAAkB,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC;QAEzE,wBAAwB;QACxB,MAAM,SAAS,GAAG,MAAO,IAAI,CAAC,MAAc,CAAC,QAAQ,CAAC,QAAQ,CAAC,EAAE,KAAK,EAAE,EAAE,MAAM,EAAE,IAAI,CAAC,EAAE,EAAE,EAAE,CAAC,CAAC;QAC/F,MAAM,KAAK,GAAG,SAAS,CAAC,GAAG,CAAC,CAAC,CAAM,EAAE,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC;QAElD,MAAM,GAAG,GAAmB,EAAE,IAAI,EAAE,QAAQ,EAAE,KAAK,EAAE,WAAW,EAAE,CAAC;QAEnE,qFAAqF;QACrF,IAAI,CAAC,MAAM,CAAC,OAAO,CAAC,oBAAoB,EAAE,EAAE,MAAM,EAAE,IAAI,CAAC,EAAE,EAAE,QAAQ,EAAE,CAAC,CAAC;QAEzE,OAAO,GAAG,CAAC;IACb,CAAC;CACF,CAAA;AA7CY,sDAAqB;gCAArB,qBAAqB;IADjC,IAAA,mBAAU,GAAE;qCAKc,0BAAW;QACT,8BAAa;QACX,mCAAe;QACV,4CAAoB;QAC3B,4BAAQ;GARxB,qBAAqB,CA6CjC"}
\ No newline at end of file
diff --git a/src/core/event-bus/event-bus.service.ts b/src/core/event-bus/event-bus.service.ts
index b8b0336..1b805a8 100644
--- a/src/core/event-bus/event-bus.service.ts
+++ b/src/core/event-bus/event-bus.service.ts
@@ -9,11 +9,19 @@ export class EventBus {
   private handlers: Map<string, Handler[]> = new Map();
   private readonly logger = new Logger(EventBus.name);
 
-  publish(event: EventEnvelope<any>) {
-    const handlers = this.handlers.get(event.type) || [];
+  // Accept either an EventEnvelope or (type, payload) signature for backward compatibility
+  publish(eventOrType: EventEnvelope<any> | string, payload?: any) {
+    let envelope: EventEnvelope<any>;
+    if (typeof eventOrType === 'string') {
+      envelope = { id: require('crypto').randomUUID(), timestamp: new Date().toISOString(), type: eventOrType, payload: payload ?? {} };
+    } else {
+      envelope = eventOrType;
+    }
+
+    const handlers = this.handlers.get(envelope.type) || [];
     for (const h of handlers) {
       try {
-        Promise.resolve(h(event)).catch((err) => this.logger.error('Event handler error', err));
+        Promise.resolve(h(envelope)).catch((err) => this.logger.error('Event handler error', err));
       } catch (e) {
         this.logger.error('Event handler threw', e as any);
       }
diff --git a/src/modules/auth/authentication.service.ts b/src/modules/auth/authentication.service.ts
index 7f22740..9817ba6 100644
--- a/src/modules/auth/authentication.service.ts
+++ b/src/modules/auth/authentication.service.ts
@@ -47,8 +47,8 @@ export class AuthenticationService {
 
     const ctx: RequestContext = { user, identity, roles, permissions };
 
-    // Publish domain event
-    this.events.publish({ id: require('crypto').randomUUID(), timestamp: new Date().toISOString(), type: 'UserAuthenticated', payload: { userId: user.id, identity } });
+    // Publish domain event (legacy string event name expected by some subscribers/tests)
+    this.events.publish('user.authenticated', { userId: user.id, identity });
 
     return ctx;
   }