refactor: rename email-server-worker to email-worker

Rename directory from email-server-worker to email-worker for clarity and brevity. Update all references in CLAUDE.md documentation.

.claude/settings.local.json

@@ -24,7 +24,11 @@
       "Bash(git mv:*)",
       "Bash(rmdir:*)",
       "Bash(mkdir:*)",
-      "Bash(git diff:*)"
+      "Bash(git diff:*)",
+      "Bash(grep:*)",
+      "Bash(for file in CommError HTTPResponseError JsonParsingError clientIpAddress)",
+      "Bash(do echo \"=== $file ===\")",
+      "Bash(done)"
     ]
   },
   "enableAllProjectMcpServers": true,

CLAUDE.md

@@ -8,7 +8,7 @@ This is a multi-project repository containing:
 - **web-app/**: Next.js 14 utility bills tracking application
 - **docker-stack/**: Docker Compose configurations and deployment scripts
 - **housekeeping/**: Database backup and maintenance scripts
-- **email-server-worker/**: Background worker service with HTTP health monitoring
+- **email-worker/**: Background worker service with HTTP health monitoring
 
 Each project is self-contained with its own dependencies.
 
@@ -30,7 +30,7 @@ All commands should be run from within the respective project directory.
 - `./db-dump--standalone.sh` - Run standalone database dump
 - See housekeeping/README.md for more details
 
-**Email Server Worker** (`cd email-server-worker`):
+**Email Server Worker** (`cd email-worker`):
 - `npm install` - Install dependencies
 - `npm run start` - Start development server with nodemon
 - `npm run build` - Build TypeScript to JavaScript
@@ -103,7 +103,7 @@ export const actionName = withUser(async (user: AuthenticatedUser, ...args) => {
 
 ## Email Server Worker Architecture
 
-The email-server-worker is a TypeScript-based background worker service that combines periodic task execution with HTTP health monitoring and metrics collection.
+The email-worker is a TypeScript-based background worker service that combines periodic task execution with HTTP health monitoring and metrics collection.
 
 ### Tech Stack
 - **Runtime**: Node.js with TypeScript
@@ -115,16 +115,16 @@ The email-server-worker is a TypeScript-based background worker service that com
 
 The service implements a **self-contained worker pattern** that runs periodic background tasks while exposing HTTP endpoints for monitoring.
 
-**Entry Point** (`email-server-worker/src/entry.ts:1`):
+**Entry Point** (`email-worker/src/entry.ts:1`):
 - Creates Express HTTP server with graceful shutdown support (stoppable)
-- Starts the worker via `startSyncWorker()` from `email-server-worker/src/workRunner.ts:134`
+- Starts the worker via `startSyncWorker()` from `email-worker/src/workRunner.ts:134`
 - Handles SIGTERM/SIGINT for graceful shutdown (Docker-compatible)
 - Calls `disposeSyncWorker()` on shutdown to allow pending work to complete
 
-**Work Runner** (`email-server-worker/src/workRunner.ts:1`):
+**Work Runner** (`email-worker/src/workRunner.ts:1`):
 The work runner implements a self-scheduling loop with the following characteristics:
 
-- **Self-Scheduling Loop**: After completing work, schedules next execution via `setTimeout(workRunner, PULL_INTERVAL)` at `email-server-worker/src/workRunner.ts:113`
+- **Self-Scheduling Loop**: After completing work, schedules next execution via `setTimeout(workRunner, PULL_INTERVAL)` at `email-worker/src/workRunner.ts:113`
 - **Graceful Shutdown**: Tracks pending work via Promise, allows in-flight operations to complete before shutdown
 - **Status Tracking**: Exports `workerRunnerInfo` with `status` and `lastWorkTime` for health monitoring
 - **Error Isolation**: Worker errors don't crash the process - caught, logged, and execution continues
@@ -148,17 +148,17 @@ export const doWork = async () => {
 };
 ```
 
-The work runner imports and calls this function at `email-server-worker/src/workRunner.ts:88`.
+The work runner imports and calls this function at `email-worker/src/workRunner.ts:88`.
 
 ### Key Files & Responsibilities
 
 **Core Worker Files**:
-- `email-server-worker/src/entry.ts` - HTTP server setup, signal handling, worker lifecycle management
-- `email-server-worker/src/workRunner.ts` - Self-scheduling loop, graceful shutdown, metrics integration
-- `email-server-worker/src/app.ts` - Express app configuration, route registration
-- `email-server-worker/src/lib/logger.ts` - Debug logger factory (uses 'debug' package)
+- `email-worker/src/entry.ts` - HTTP server setup, signal handling, worker lifecycle management
+- `email-worker/src/workRunner.ts` - Self-scheduling loop, graceful shutdown, metrics integration
+- `email-worker/src/app.ts` - Express app configuration, route registration
+- `email-worker/src/lib/logger.ts` - Debug logger factory (uses 'debug' package)
 
-**HTTP Routes** (`email-server-worker/src/routes/`):
+**HTTP Routes** (`email-worker/src/routes/`):
 - `healthcheckRouter.ts` - Health check endpoint (checks worker status via `workerRunnerInfo`)
 - `metricsRouter.ts` - Prometheus metrics endpoint
 - `prtgMetricsRouter.ts` - PRTG-compatible metrics adapter
@@ -167,10 +167,10 @@ The work runner imports and calls this function at `email-server-worker/src/work
 - `finalErrorRouter.ts` - Catch-all error handler for unexpected errors
 
 **Infrastructure**:
-- `email-server-worker/src/lib/metricsCounters.ts` - Prometheus counter/histogram definitions
-- `email-server-worker/src/lib/initTools.ts` - Utility functions (coalesce, etc.)
-- `email-server-worker/src/lib/serializeError.ts` - Error serialization for logging
-- `email-server-worker/src/lib/Prometheus2Prtg.ts` - Converts Prometheus metrics to PRTG XML format
+- `email-worker/src/lib/metricsCounters.ts` - Prometheus counter/histogram definitions
+- `email-worker/src/lib/initTools.ts` - Utility functions (coalesce, etc.)
+- `email-worker/src/lib/serializeError.ts` - Error serialization for logging
+- `email-worker/src/lib/Prometheus2Prtg.ts` - Converts Prometheus metrics to PRTG XML format
 
 ### Environment Variables
 
@@ -188,7 +188,7 @@ The work runner imports and calls this function at `email-server-worker/src/work
 
 To implement a new worker task:
 
-1. **Create worker file** (e.g., `email-server-worker/src/myWorker.ts`):
+1. **Create worker file** (e.g., `email-worker/src/myWorker.ts`):
 ```typescript
 export const doWork = async () => {
   // Implement your periodic task here
@@ -204,7 +204,7 @@ export const doWork = async () => {
 import { doWork } from "./myWorker";
 ```
 
-3. **Add environment variables** to `email-server-worker/src/types/environment.d.ts` as needed
+3. **Add environment variables** to `email-worker/src/types/environment.d.ts` as needed
 
 4. **Update `package.json` metadata** if the service purpose changes (name, description)
 
@@ -219,7 +219,7 @@ import { doWork } from "./myWorker";
 ### Testing
 
 - **Framework**: Jest with esbuild-jest for TypeScript
-- **Test Location**: `email-server-worker/tests/`
-- **Mocks**: Common mocks in `email-server-worker/tests/__mocks__/` (prom-client)
+- **Test Location**: `email-worker/tests/`
+- **Mocks**: Common mocks in `email-worker/tests/__mocks__/` (prom-client)
 - **Test Pattern**: Co-located with source in `tests/` mirroring `src/` structure
 - **Run Tests**: `npm run test` (watch mode)

email-worker/README.md

@@ -50,7 +50,7 @@ npm run test  # Run Jest in watch mode
 ### Optional
 
 - `PORT` - HTTP server port (default: `"3000"`)
-- `PROMETHEUS_APP_LABEL` - App label for Prometheus metrics (default: `"email-server-worker"`)
+- `PROMETHEUS_APP_LABEL` - App label for Prometheus metrics (default: `"email-worker"`)
 - `PROMETHEUS_HISTOGRAM_BUCKETS` - Histogram bucket sizes (default: `"0.1, 0.5, 1, 5, 10"`)
 - `DEBUG` - Debug namespaces for console logging (e.g., `"server:server"`)
 - `ENV` - Environment mode: `"dev"`, `"jest"` (affects logging)

email-worker/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "email-server-worker",
+  "name": "email-worker",
   "version": "0.1.0",
   "description": "Background worker service with HTTP health monitoring and metrics collection",
   "main": "entry.ts",

email-worker/src/lib/metricsCounters.ts

@@ -5,7 +5,7 @@ import { coalesce } from './initTools';
 const PROMETHEUS_HISTOGRAM_BUCKETS = coalesce(process.env.PROMETHEUS_HISTOGRAM_BUCKETS, "0.1, 0.5, 1, 5, 10");
 
 /** Labela kojom želimo da bude označena metrika prikupljena na ovom web servisu */
-const PROMETHEUS_APP_LABEL = coalesce(process.env.PROMETHEUS_APP_LABEL, 'email-server-worker');
+const PROMETHEUS_APP_LABEL = coalesce(process.env.PROMETHEUS_APP_LABEL, 'email-worker');
 
 // na "app" labele ćemo razdvajanje rezultata u Grafani
 register.setDefaultLabels({ app: PROMETHEUS_APP_LABEL });

email-worker/src/types/environment.d.ts

@@ -9,7 +9,7 @@ declare global {
             ENV?:"dev"|"jest"
             /**
              * (optional) App label to be used in Prometheus (Grafana)
-             * @default "email-server-worker"
+             * @default "email-worker"
              * */
             PROMETHEUS_APP_LABEL?: string
             /**

evidencija-rezija.code-workspace

@@ -17,8 +17,8 @@
       "path": "mailgun-webhook"
     },
     {
-      "name": "⚙️ email-server-worker",
-      "path": "email-server-worker"
+      "name": "⚙️ email-worker",
+      "path": "email-worker"
     },
     {
       "name": "📦 root",