diff --git a/packages/twenty-server/project.json b/packages/twenty-server/project.json
index 1532eb1c8..58937ac29 100644
--- a/packages/twenty-server/project.json
+++ b/packages/twenty-server/project.json
@@ -121,7 +121,8 @@
     },
     "lint": {
       "options": {
-        "lintFilePatterns": ["{projectRoot}/src/**/*.{ts,json}"]
+        "lintFilePatterns": ["{projectRoot}/src/**/*.{ts,json}"],
+        "maxWarnings": 0
       },
       "configurations": {
         "ci": { "lintFilePatterns": ["{projectRoot}/**/*.{ts,json}"] },
diff --git a/packages/twenty-server/src/database/commands/data-seed-demo-workspace/services/data-seed-demo-workspace.service.ts b/packages/twenty-server/src/database/commands/data-seed-demo-workspace/services/data-seed-demo-workspace.service.ts
index 9ee592ff2..2ba62c005 100644
--- a/packages/twenty-server/src/database/commands/data-seed-demo-workspace/services/data-seed-demo-workspace.service.ts
+++ b/packages/twenty-server/src/database/commands/data-seed-demo-workspace/services/data-seed-demo-workspace.service.ts
@@ -49,6 +49,7 @@ export class DataSeedDemoWorkspaceService {
         await this.workspaceManagerService.initDemo(workspaceId);
       }
     } catch (error) {
+      // eslint-disable-next-line no-console
       console.error(error);
 
       return;
diff --git a/packages/twenty-server/src/engine/api/graphql/workspace-query-runner/workspace-query-hook/storage/workspace-query-hook.storage.ts b/packages/twenty-server/src/engine/api/graphql/workspace-query-runner/workspace-query-hook/storage/workspace-query-hook.storage.ts
index 8b42abc8c..57a4a5882 100644
--- a/packages/twenty-server/src/engine/api/graphql/workspace-query-runner/workspace-query-hook/storage/workspace-query-hook.storage.ts
+++ b/packages/twenty-server/src/engine/api/graphql/workspace-query-runner/workspace-query-hook/storage/workspace-query-hook.storage.ts
@@ -2,6 +2,8 @@
 import { Injectable } from '@nestjs/common';
 import { Module } from '@nestjs/core/injector/module';
 
+import { isDefined } from 'twenty-shared';
+
 import { WorkspaceQueryHookInstance } from 'src/engine/api/graphql/workspace-query-runner/workspace-query-hook/interfaces/workspace-query-hook.interface';
 import { WorkspaceResolverBuilderMethodNames } from 'src/engine/api/graphql/workspace-resolver-builder/interfaces/workspace-resolvers-builder.interface';
 
@@ -48,9 +50,13 @@ export class WorkspaceQueryHookStorage {
       throw new Error(`Can't split workspace query hook key: ${key}`);
     }
 
-    // Retrive wildcard pre-hook instances
-    if (this.preHookInstances.has(`*.${methodName}`)) {
-      wildcardInstances = this.preHookInstances.get(`*.${methodName}`)!;
+    // Retrieve wildcard pre-hook instances
+    const wildcardPrehooksInstance = this.preHookInstances.get(
+      `*.${methodName}`,
+    );
+
+    if (isDefined(wildcardPrehooksInstance)) {
+      wildcardInstances = wildcardPrehooksInstance;
     }
 
     return [...wildcardInstances, ...(this.preHookInstances.get(key) ?? [])];
@@ -80,9 +86,13 @@ export class WorkspaceQueryHookStorage {
       throw new Error(`Can't split workspace query hook key: ${key}`);
     }
 
-    // Retrive wildcard post-hook instances
-    if (this.postHookInstances.has(`*.${methodName}`)) {
-      wildcardInstances = this.postHookInstances.get(`*.${methodName}`)!;
+    // Retrieve wildcard post-hook instances
+    const wildcardPosthooksInstance = this.postHookInstances.get(
+      `*.${methodName}`,
+    );
+
+    if (isDefined(wildcardPosthooksInstance)) {
+      wildcardInstances = wildcardPosthooksInstance;
     }
 
     return [...wildcardInstances, ...(this.postHookInstances.get(key) ?? [])];
diff --git a/packages/twenty-server/src/engine/api/graphql/workspace-schema.factory.ts b/packages/twenty-server/src/engine/api/graphql/workspace-schema.factory.ts
index de13052f8..92d308e71 100644
--- a/packages/twenty-server/src/engine/api/graphql/workspace-schema.factory.ts
+++ b/packages/twenty-server/src/engine/api/graphql/workspace-schema.factory.ts
@@ -48,6 +48,7 @@ export class WorkspaceSchemaFactory {
     );
 
     if (isNewRelationEnabled) {
+      // eslint-disable-next-line no-console
       console.log(
         chalk.yellow('🚧 New relation schema generation is enabled 🚧'),
       );
@@ -84,6 +85,7 @@ export class WorkspaceSchemaFactory {
       (isNewRelationEnabled !== cachedIsNewRelationEnabled &&
         cachedIsNewRelationEnabled !== undefined)
     ) {
+      // eslint-disable-next-line no-console
       console.log(
         chalk.yellow('Recomputing due to new relation feature flag'),
         {
diff --git a/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-exchange-code-for-token.guard.ts b/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-exchange-code-for-token.guard.ts
index f177fb453..3e6c57fac 100644
--- a/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-exchange-code-for-token.guard.ts
+++ b/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-exchange-code-for-token.guard.ts
@@ -36,10 +36,7 @@ export class GoogleAPIsOauthExchangeCodeForTokenGuard extends AuthGuard(
         );
       }
 
-      new GoogleAPIsOauthExchangeCodeForTokenStrategy(
-        this.environmentService,
-        {},
-      );
+      new GoogleAPIsOauthExchangeCodeForTokenStrategy(this.environmentService);
 
       setRequestExtraParams(request, {
         transientToken: state.transientToken,
diff --git a/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-request-code.guard.ts b/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-request-code.guard.ts
index 70839c6f4..4eff55959 100644
--- a/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-request-code.guard.ts
+++ b/packages/twenty-server/src/engine/core-modules/auth/guards/google-apis-oauth-request-code.guard.ts
@@ -64,7 +64,7 @@ export class GoogleAPIsOauthRequestCodeGuard extends AuthGuard('google-apis') {
         );
       }
 
-      new GoogleAPIsOauthRequestCodeStrategy(this.environmentService, {});
+      new GoogleAPIsOauthRequestCodeStrategy(this.environmentService);
 
       return (await super.canActivate(context)) as boolean;
     } catch (err) {
diff --git a/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-common.auth.strategy.ts b/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-common.auth.strategy.ts
index 741a05ef6..36351e2a4 100644
--- a/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-common.auth.strategy.ts
+++ b/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-common.auth.strategy.ts
@@ -16,10 +16,7 @@ export class GoogleAPIsOauthCommonStrategy extends PassportStrategy(
   Strategy,
   'google-apis',
 ) {
-  constructor(
-    environmentService: EnvironmentService,
-    scopeConfig: GoogleAPIScopeConfig,
-  ) {
+  constructor(environmentService: EnvironmentService) {
     const scopes = getGoogleApisOauthScopes();
 
     super({
diff --git a/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-exchange-code-for-token.auth.strategy.ts b/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-exchange-code-for-token.auth.strategy.ts
index 244b1066d..1b89939b6 100644
--- a/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-exchange-code-for-token.auth.strategy.ts
+++ b/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-exchange-code-for-token.auth.strategy.ts
@@ -12,11 +12,8 @@ export type GoogleAPIScopeConfig = {
 
 @Injectable()
 export class GoogleAPIsOauthExchangeCodeForTokenStrategy extends GoogleAPIsOauthCommonStrategy {
-  constructor(
-    environmentService: EnvironmentService,
-    scopeConfig: GoogleAPIScopeConfig,
-  ) {
-    super(environmentService, scopeConfig);
+  constructor(environmentService: EnvironmentService) {
+    super(environmentService);
   }
 
   async validate(
diff --git a/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-request-code.auth.strategy.ts b/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-request-code.auth.strategy.ts
index 6ce3c33c5..0eda93a5b 100644
--- a/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-request-code.auth.strategy.ts
+++ b/packages/twenty-server/src/engine/core-modules/auth/strategies/google-apis-oauth-request-code.auth.strategy.ts
@@ -10,11 +10,8 @@ export type GoogleAPIScopeConfig = {
 
 @Injectable()
 export class GoogleAPIsOauthRequestCodeStrategy extends GoogleAPIsOauthCommonStrategy {
-  constructor(
-    environmentService: EnvironmentService,
-    scopeConfig: GoogleAPIScopeConfig,
-  ) {
-    super(environmentService, scopeConfig);
+  constructor(environmentService: EnvironmentService) {
+    super(environmentService);
   }
 
   authenticate(req: any, options: any) {
diff --git a/packages/twenty-server/src/engine/core-modules/serverless/drivers/constants/base-typescript-project/src/index.ts b/packages/twenty-server/src/engine/core-modules/serverless/drivers/constants/base-typescript-project/src/index.ts
index a897e86c9..472ef508a 100644
--- a/packages/twenty-server/src/engine/core-modules/serverless/drivers/constants/base-typescript-project/src/index.ts
+++ b/packages/twenty-server/src/engine/core-modules/serverless/drivers/constants/base-typescript-project/src/index.ts
@@ -1,3 +1,4 @@
+/* eslint-disable */
 export const main = async (params: {
   a: string;
   b: number;
diff --git a/packages/twenty-server/src/engine/metadata-modules/object-metadata/object-metadata.service.ts b/packages/twenty-server/src/engine/metadata-modules/object-metadata/object-metadata.service.ts
index 9c36df670..881b9f51a 100644
--- a/packages/twenty-server/src/engine/metadata-modules/object-metadata/object-metadata.service.ts
+++ b/packages/twenty-server/src/engine/metadata-modules/object-metadata/object-metadata.service.ts
@@ -74,6 +74,7 @@ export class ObjectMetadataService extends TypeOrmQueryService<ObjectMetadataEnt
 
     const end = performance.now();
 
+    // eslint-disable-next-line no-console
     console.log(`metadata query time: ${end - start} ms`);
 
     return result;
diff --git a/packages/twenty-server/src/engine/strategies/aggregate-by-workspace-context-id.strategy.ts b/packages/twenty-server/src/engine/strategies/aggregate-by-workspace-context-id.strategy.ts
index 5ea58e84a..2a10a8a3f 100644
--- a/packages/twenty-server/src/engine/strategies/aggregate-by-workspace-context-id.strategy.ts
+++ b/packages/twenty-server/src/engine/strategies/aggregate-by-workspace-context-id.strategy.ts
@@ -7,6 +7,7 @@ import {
 
 import { Request } from 'express';
 import { jwtDecode } from 'jwt-decode';
+import { isDefined } from 'twenty-shared';
 
 import { JwtPayload } from 'src/engine/core-modules/auth/types/auth-context.type';
 
@@ -24,8 +25,10 @@ export class AggregateByWorkspaceContextIdStrategy
       return () => contextId;
     }
 
-    if (workspaces.has(jwtPayload.workspaceId)) {
-      workspaceSubTreeId = workspaces.get(jwtPayload.workspaceId)!;
+    const subTreeId = workspaces.get(jwtPayload.workspaceId);
+
+    if (isDefined(subTreeId)) {
+      workspaceSubTreeId = subTreeId;
     } else {
       workspaceSubTreeId = ContextIdFactory.create();
       workspaces.set(jwtPayload.workspaceId, workspaceSubTreeId);
diff --git a/packages/twenty-server/src/engine/twenty-orm/decorators/workspace-custom-entity.decorator.ts b/packages/twenty-server/src/engine/twenty-orm/decorators/workspace-custom-entity.decorator.ts
index 651a01ad7..e1d153f2f 100644
--- a/packages/twenty-server/src/engine/twenty-orm/decorators/workspace-custom-entity.decorator.ts
+++ b/packages/twenty-server/src/engine/twenty-orm/decorators/workspace-custom-entity.decorator.ts
@@ -1,7 +1,7 @@
 import { metadataArgsStorage } from 'src/engine/twenty-orm/storage/metadata-args.storage';
 import { TypedReflect } from 'src/utils/typed-reflect';
 
-export function WorkspaceCustomEntity(options = {}): ClassDecorator {
+export function WorkspaceCustomEntity(): ClassDecorator {
   return (target) => {
     const gate = TypedReflect.getMetadata(
       'workspace:gate-metadata-args',
diff --git a/packages/twenty-server/src/engine/twenty-orm/storage/cache-manager.storage.ts b/packages/twenty-server/src/engine/twenty-orm/storage/cache-manager.storage.ts
index d73b61a36..53bc06093 100644
--- a/packages/twenty-server/src/engine/twenty-orm/storage/cache-manager.storage.ts
+++ b/packages/twenty-server/src/engine/twenty-orm/storage/cache-manager.storage.ts
@@ -1,3 +1,5 @@
+import { isDefined } from 'twenty-shared';
+
 type CacheKey = `${string}-${string}`;
 
 type AsyncFactoryCallback<T> = () => Promise<T | null>;
@@ -12,13 +14,19 @@ export class CacheManager<T> {
   ): Promise<T | null> {
     const [workspaceId] = cacheKey.split('-');
 
-    if (this.cache.has(cacheKey)) {
-      return this.cache.get(cacheKey)!;
+    const cachedValue = this.cache.get(cacheKey);
+
+    if (isDefined(cachedValue)) {
+      return cachedValue;
     }
 
     for (const key of this.cache.keys()) {
       if (key.startsWith(`${workspaceId}-`)) {
-        await onDelete?.(this.cache.get(key)!);
+        const cachedValue = this.cache.get(key);
+
+        if (cachedValue) {
+          await onDelete?.(cachedValue);
+        }
         this.cache.delete(key);
       }
     }
@@ -38,8 +46,10 @@ export class CacheManager<T> {
     cacheKey: CacheKey,
     onDelete?: (value: T) => Promise<void> | void,
   ): Promise<void> {
-    if (this.cache.has(cacheKey)) {
-      await onDelete?.(this.cache.get(cacheKey)!);
+    const cachedValue = this.cache.get(cacheKey);
+
+    if (isDefined(cachedValue)) {
+      await onDelete?.(cachedValue);
       this.cache.delete(cacheKey);
     }
   }
diff --git a/packages/twenty-server/src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.service.ts b/packages/twenty-server/src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.service.ts
index 5aa8a91e4..c3236113d 100644
--- a/packages/twenty-server/src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.service.ts
+++ b/packages/twenty-server/src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.service.ts
@@ -89,6 +89,7 @@ export class WorkspaceMigrationRunnerService {
 
       await queryRunner.commitTransaction();
     } catch (error) {
+      // eslint-disable-next-line no-console
       console.error('Error executing migration', error);
       await queryRunner.rollbackTransaction();
       throw error;
diff --git a/packages/twenty-server/src/utils/generate-front-config.ts b/packages/twenty-server/src/utils/generate-front-config.ts
index be82e817b..0b6877208 100644
--- a/packages/twenty-server/src/utils/generate-front-config.ts
+++ b/packages/twenty-server/src/utils/generate-front-config.ts
@@ -23,6 +23,7 @@ export function generateFrontConfig(): void {
   const indexPath = path.join(distPath, 'index.html');
 
   if (!fs.existsSync(indexPath)) {
+    // eslint-disable-next-line no-console
     console.log(
       'Frontend build not found, assuming it is served independently',
     );
diff --git a/packages/twenty-server/test/integration/graphql/codegen/index.ts b/packages/twenty-server/test/integration/graphql/codegen/index.ts
index 9f1937cae..b46ea9f88 100644
--- a/packages/twenty-server/test/integration/graphql/codegen/index.ts
+++ b/packages/twenty-server/test/integration/graphql/codegen/index.ts
@@ -58,6 +58,7 @@ const generateTestContent = (
     .map((f) => f.name);
 
   if (fieldNames.length === 0) {
+    // eslint-disable-next-line no-console
     console.log(`Skipping ${queryName}: No usable fields found.`);
 
     return null;
@@ -148,6 +149,7 @@ const generateTests = async (force = false) => {
   let totalCount = 0;
 
   if (!queryType?.fields) {
+    // eslint-disable-next-line no-console
     console.log('No query fields found.');
 
     return;
@@ -200,8 +202,10 @@ const generateTests = async (force = false) => {
     }
   }
 
+  // eslint-disable-next-line no-console
   console.log(`Number of tests created: ${createdCount}/${totalCount}`);
   if (force) {
+    // eslint-disable-next-line no-console
     console.log(`Number of tests updated: ${updatedCount}/${totalCount}`);
   }
 };