diff --git a/apps/data-service/package.json b/apps/data-service/package.json
index 36a70c7..22f0f8d 100644
--- a/apps/data-service/package.json
+++ b/apps/data-service/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "scripts": {
     "dev": "bun --watch src/index.ts",
-    "build": "bun build src/index.ts --outdir dist --target node",
+    "build": "bun build src/index.ts --outdir dist --target node --external chromium-bidi --external electron --external playwright --external playwright-core",
     "start": "bun dist/index.js",
     "test": "bun test",
     "clean": "rm -rf dist"
diff --git a/apps/data-service/src/index.ts b/apps/data-service/src/index.ts
index 917db16..f069b05 100644
--- a/apps/data-service/src/index.ts
+++ b/apps/data-service/src/index.ts
@@ -10,7 +10,7 @@ import { initializeServiceConfig } from '@stock-bot/config';
 import { getLogger, setLoggerConfig, shutdownLoggers } from '@stock-bot/logger';
 import { connectMongoDB } from '@stock-bot/mongodb-client';
 import { connectPostgreSQL } from '@stock-bot/postgres-client';
-import { QueueManager, handlerRegistry, type QueueManagerConfig } from '@stock-bot/queue';
+import { QueueManager, type QueueManagerConfig } from '@stock-bot/queue';
 import { Shutdown } from '@stock-bot/shutdown';
 // Local imports
 import { exchangeRoutes, healthRoutes, queueRoutes } from './routes';
diff --git a/apps/data-service/src/providers/ib.tasks.ts b/apps/data-service/src/providers/ib.tasks.ts
index 740e531..3e78cbe 100644
--- a/apps/data-service/src/providers/ib.tasks.ts
+++ b/apps/data-service/src/providers/ib.tasks.ts
@@ -54,7 +54,7 @@ export async function fetchSession(): Promise<Record<string, string> | undefined
               resolve(event.headers);
             } catch (e) {
               resolve(undefined);
-              console.log('📊 Raw Summary Response:', (e as Error).message);
+              logger.debug('Raw Summary Response error', { error: (e as Error).message });
             }
           }
         }
diff --git a/apps/data-sync-service/package.json b/apps/data-sync-service/package.json
index 8e0bebf..b9506cd 100644
--- a/apps/data-sync-service/package.json
+++ b/apps/data-sync-service/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "scripts": {
     "dev": "bun --watch src/index.ts",
-    "build": "bun build src/index.ts --outdir dist --target node",
+    "build": "bun build src/index.ts --outdir dist --target node --external chromium-bidi --external electron --external playwright --external playwright-core",
     "start": "bun dist/index.js",
     "test": "bun test",
     "clean": "rm -rf dist"
diff --git a/apps/web-api/package.json b/apps/web-api/package.json
index 9fa41b1..ad90669 100644
--- a/apps/web-api/package.json
+++ b/apps/web-api/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "scripts": {
     "dev": "bun --watch src/index.ts",
-    "build": "bun build src/index.ts --outdir dist --target node",
+    "build": "bun build src/index.ts --outdir dist --target node --external chromium-bidi --external electron --external playwright --external playwright-core",
     "start": "bun dist/index.js",
     "test": "bun test",
     "clean": "rm -rf dist"
diff --git a/apps/web-app/src/features/dashboard/components/PortfolioTable.tsx b/apps/web-app/src/features/dashboard/components/PortfolioTable.tsx
index ccf7853..0132578 100644
--- a/apps/web-app/src/features/dashboard/components/PortfolioTable.tsx
+++ b/apps/web-app/src/features/dashboard/components/PortfolioTable.tsx
@@ -635,7 +635,7 @@ export function PortfolioTable() {
     <DataTable
       data={data}
       columns={columns}
-      onRowClick={row => console.log('Clicked:', row.symbol)}
+      onRowClick={_row => {/* Handle row click */}}
       className="border border-border rounded-lg"
     />
   );
diff --git a/apps/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx b/apps/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx
index 85720fe..f571c15 100644
--- a/apps/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx
+++ b/apps/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx
@@ -49,7 +49,7 @@ export function AddProviderMappingDialog({
     try {
       const providersData = await fetchProviders();
       setProviders(providersData);
-    } catch (error) {
+    } catch {
       // Error loading providers - could add toast notification here
     } finally {
       setProvidersLoading(false);
@@ -62,7 +62,7 @@ export function AddProviderMappingDialog({
       try {
         const exchangesData = await fetchUnmappedProviderExchanges(provider);
         setUnmappedExchanges(exchangesData);
-      } catch (error) {
+      } catch {
         // Error loading unmapped exchanges - could add toast notification here
       } finally {
         setExchangesLoading(false);
@@ -102,7 +102,7 @@ export function AddProviderMappingDialog({
         };
 
         await onCreateMapping(request);
-      } catch (error) {
+      } catch {
         // Error creating provider mapping - could add toast notification here
       } finally {
         setLoading(false);
diff --git a/libs/questdb-client/test/integration.test.ts b/libs/questdb-client/test/integration.test.ts
index 3984946..3b5a211 100644
--- a/libs/questdb-client/test/integration.test.ts
+++ b/libs/questdb-client/test/integration.test.ts
@@ -5,7 +5,7 @@
  * without requiring an actual QuestDB instance.
  */
 
-import { afterEach, beforeEach, describe, expect, it, mock, spyOn } from 'bun:test';
+import { afterEach, beforeEach, describe, expect, it, mock } from 'bun:test';
 import {
   createQuestDBClient,
   QuestDBClient,
@@ -33,7 +33,7 @@ describe('QuestDB Client Integration', () => {
     if (client && client.connected) {
       try {
         await client.disconnect();
-      } catch (error) {
+      } catch {
         // Ignore cleanup errors in tests
       }
     }
diff --git a/libs/questdb-client/test/setup.ts b/libs/questdb-client/test/setup.ts
index bfa0285..811e971 100644
--- a/libs/questdb-client/test/setup.ts
+++ b/libs/questdb-client/test/setup.ts
@@ -5,7 +5,7 @@
  * Provides utilities and mocks for testing database operations.
  */
 
-import { beforeAll, beforeEach, mock, spyOn } from 'bun:test';
+import { beforeAll, beforeEach, mock } from 'bun:test';
 import { newDb } from 'pg-mem';
 
 // Mock PostgreSQL database for unit tests
@@ -124,7 +124,7 @@ beforeEach(() => {
       pgMem.public.none('DROP TABLE IF EXISTS indicators CASCADE');
       pgMem.public.none('DROP TABLE IF EXISTS performance CASCADE');
       pgMem.public.none('DROP TABLE IF EXISTS risk_metrics CASCADE');
-    } catch (error) {
+    } catch {
       // Tables might not exist, ignore errors
     }
   } // Reset fetch mock
@@ -248,7 +248,7 @@ export const questdbTestHelpers = {
    */
   validateQuestDBQuery: (query: string): boolean => {
     // Basic validation for QuestDB-specific syntax
-    const questdbKeywords = ['SAMPLE BY', 'LATEST BY', 'ASOF JOIN', 'SPLICE JOIN', 'LT JOIN'];
+    const _questdbKeywords = ['SAMPLE BY', 'LATEST BY', 'ASOF JOIN', 'SPLICE JOIN', 'LT JOIN'];
 
     // Check for valid SQL structure
     const hasSelect = /SELECT\s+/i.test(query);
diff --git a/libs/queue/test/batch-processor.test.ts b/libs/queue/test/batch-processor.test.ts
index 35b041e..4c1f548 100644
--- a/libs/queue/test/batch-processor.test.ts
+++ b/libs/queue/test/batch-processor.test.ts
@@ -38,7 +38,7 @@ describe('Batch Processor', () => {
       'generic': async (payload) => {
         return { processed: true, data: payload };
       },
-      'process-batch-items': async (batchData) => {
+      'process-batch-items': async (_batchData) => {
         // This is called by the batch processor internally
         return { batchProcessed: true };
       },
@@ -87,7 +87,7 @@ describe('Batch Processor', () => {
           await queue.getBullQueue().clean(0, 1000, 'active');
           await queue.getBullQueue().clean(0, 1000, 'waiting');
           await queue.getBullQueue().clean(0, 1000, 'delayed');
-        } catch (error) {
+        } catch {
           // Ignore cleanup errors
         }
         await queue.close();
diff --git a/libs/queue/test/dlq-handler.test.ts b/libs/queue/test/dlq-handler.test.ts
index dc69dbc..7b7a335 100644
--- a/libs/queue/test/dlq-handler.test.ts
+++ b/libs/queue/test/dlq-handler.test.ts
@@ -1,5 +1,5 @@
 import { describe, test, expect, beforeEach, afterEach } from 'bun:test';
-import { Queue, Worker, Job } from 'bullmq';
+import { Queue, Worker } from 'bullmq';
 import { DeadLetterQueueHandler } from '../src/dlq-handler';
 import { getRedisConnection } from '../src/utils';
 
@@ -50,7 +50,7 @@ describe('DeadLetterQueueHandler', () => {
       }
       await dlqHandler.shutdown();
       await mainQueue.close();
-    } catch (error) {
+    } catch {
       // Ignore cleanup errors
     }
     await new Promise(resolve => setTimeout(resolve, 50));
@@ -70,7 +70,7 @@ describe('DeadLetterQueueHandler', () => {
       });
 
       // Add job with limited attempts
-      const job = await mainQueue.add('failing-job', { test: true }, {
+      const _job = await mainQueue.add('failing-job', { test: true }, {
         attempts: 3,
         backoff: { type: 'fixed', delay: 50 },
       });
diff --git a/libs/queue/test/queue-manager.test.ts b/libs/queue/test/queue-manager.test.ts
index 40211a1..becfb00 100644
--- a/libs/queue/test/queue-manager.test.ts
+++ b/libs/queue/test/queue-manager.test.ts
@@ -121,7 +121,7 @@ describe('QueueManager', () => {
       let processedCount = 0;
 
       handlerRegistry.register('bulk-handler', {
-        process: async payload => {
+        process: async _payload => {
           processedCount++;
           return { processed: true };
         },
@@ -237,7 +237,7 @@ describe('QueueManager', () => {
       handlerRegistry.registerWithSchedule({
         name: 'scheduled-handler',
         operations: {
-          'scheduled-task': async payload => {
+          'scheduled-task': async _payload => {
             executionCount++;
             return { executed: true, timestamp: Date.now() };
           },
diff --git a/libs/queue/test/queue-metrics.test.ts b/libs/queue/test/queue-metrics.test.ts
index 614ca5e..4c8acb5 100644
--- a/libs/queue/test/queue-metrics.test.ts
+++ b/libs/queue/test/queue-metrics.test.ts
@@ -51,7 +51,7 @@ describe('QueueMetricsCollector', () => {
       }
       await queueEvents.close();
       await queue.close();
-    } catch (error) {
+    } catch {
       // Ignore cleanup errors
     }
     await new Promise(resolve => setTimeout(resolve, 50));
diff --git a/libs/queue/test/queue-simple.test.ts b/libs/queue/test/queue-simple.test.ts
index 78839d9..2820c21 100644
--- a/libs/queue/test/queue-simple.test.ts
+++ b/libs/queue/test/queue-simple.test.ts
@@ -18,7 +18,7 @@ describe('QueueManager Simple Tests', () => {
     if (queueManager) {
       try {
         await queueManager.shutdown();
-      } catch (error) {
+      } catch {
         // Ignore errors during cleanup
       }
     }
diff --git a/libs/queue/test/rate-limiter.test.ts b/libs/queue/test/rate-limiter.test.ts
index 4906705..0007abb 100644
--- a/libs/queue/test/rate-limiter.test.ts
+++ b/libs/queue/test/rate-limiter.test.ts
@@ -36,7 +36,7 @@ describe('QueueRateLimiter', () => {
       if (keys.length > 0) {
         await redisClient.del(...keys);
       }
-    } catch (error) {
+    } catch {
       // Ignore cleanup errors
     }
     rateLimiter = new QueueRateLimiter(redisClient);
@@ -46,7 +46,7 @@ describe('QueueRateLimiter', () => {
     if (redisClient) {
       try {
         await redisClient.quit();
-      } catch (error) {
+      } catch {
         // Ignore cleanup errors
       }
     }
diff --git a/libs/utils/src/calculations/performance-metrics.ts b/libs/utils/src/calculations/performance-metrics.ts
index 8a2aa28..140a043 100644
--- a/libs/utils/src/calculations/performance-metrics.ts
+++ b/libs/utils/src/calculations/performance-metrics.ts
@@ -337,10 +337,11 @@ export function calculateRollingMetrics(
       case 'volatility':
         rollingMetrics.push(calculateVolatility(window));
         break;
-      case 'return':
+      case 'return': {
         const avgReturn = window.reduce((sum, ret) => sum + ret, 0) / window.length;
         rollingMetrics.push(avgReturn);
         break;
+      }
     }
   }
 
diff --git a/libs/utils/src/common.ts b/libs/utils/src/common.ts
index afb531d..48d7601 100644
--- a/libs/utils/src/common.ts
+++ b/libs/utils/src/common.ts
@@ -1,4 +1,10 @@
-export function createProxyUrl(proxy: any): string {
+export function createProxyUrl(proxy: {
+  protocol: string;
+  host: string;
+  port: number;
+  username?: string;
+  password?: string;
+}): string {
   const { protocol, host, port, username, password } = proxy;
   if (username && password) {
     return `${protocol}://${encodeURIComponent(username)}:${encodeURIComponent(password)}@${host}:${port}`;