refactor: guard ProvidersController via runMode

Author: silent-cipher

apps/backend/src/main.ts

@@ -6,6 +6,7 @@ import helmet from "helmet";
 import { NativeLogger } from "nestjs-pino";
 import { toStructuredError } from "./common/logging.js";
 import { createPinoExitLogger } from "./common/pino.config.js";
+import { parseRunMode } from "./config/env.parsers.js";
 
 /** Standalone pino logger used for pre-bootstrap and process-level error paths. */
 const exitLogger = createPinoExitLogger().child({ context: "Main" });
@@ -30,7 +31,7 @@ function logErrorAndExit(event: string, message: string, error: unknown): void {
 }
 
 async function bootstrap() {
-  const runMode = (process.env.DEALBOT_RUN_MODE || "both").toLowerCase();
+  const runMode = parseRunMode(process.env);
   const isWorkerOnly = runMode === "worker";
   const rootModule = isWorkerOnly
     ? (await import("./worker.module.js")).WorkerModule

apps/backend/src/providers/providers.module.ts

@@ -1,13 +1,16 @@
 import { Module } from "@nestjs/common";
 import { TypeOrmModule } from "@nestjs/typeorm";
+import { parseRunMode } from "../config/env.parsers.js";
 import { StorageProvider } from "../database/entities/storage-provider.entity.js";
 import { ProvidersController } from "./providers.controller.js";
 import { ProvidersService } from "./providers.service.js";
 import { StorageProviderRepository } from "./repositories/storage-provider.repository.js";
 
+const isWorkerOnly = parseRunMode(process.env) === "worker";
+
 @Module({
   imports: [TypeOrmModule.forFeature([StorageProvider])],
-  controllers: [ProvidersController],
+  controllers: isWorkerOnly ? [] : [ProvidersController],
   providers: [ProvidersService, StorageProviderRepository],
   exports: [ProvidersService, StorageProviderRepository],
 })

apps/backend/src/pull-check/pull-check.module.ts

@@ -1,6 +1,7 @@
 import { Module } from "@nestjs/common";
 import { ThrottlerModule } from "@nestjs/throttler";
 import { TypeOrmModule } from "@nestjs/typeorm";
+import { parseRunMode } from "../config/env.parsers.js";
 import { DatabaseModule } from "../database/database.module.js";
 import { PullPiece } from "../database/entities/pull-piece.entity.js";
 import { DataSourceModule } from "../dataSource/dataSource.module.js";
@@ -12,8 +13,7 @@ import { PieceSourceController } from "./pull-piece.controller.js";
 import { PullPieceRepository } from "./pull-piece.repository.js";
 import { PullPieceStreamTracker } from "./pull-piece-stream-tracker.service.js";
 
-const runMode = process.env.DEALBOT_RUN_MODE?.toLowerCase() || "both";
-const isWorkerOnly = runMode === "worker";
+const isWorkerOnly = parseRunMode(process.env) === "worker";
 
 @Module({
   imports: [