Add Hello World endpoint

[motatoes]

User description

This PR adds a simple Hello World endpoint to the Node.js application.

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CodeAnt-AI Description

Add /hello JSON endpoint that returns 'Hello World!'

What Changed

• New GET /hello endpoint returns JSON: { "message": "Hello World!" }
• Route registered so requests to /hello are handled by the new endpoint
• Adds a simple, machine-readable endpoint useful for quick connectivity checks

Impact

✅ New JSON /hello endpoint
✅ Easier local smoke tests
✅ Simpler API connectivity checks

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[digger-staging]

❌ Error loading digger config: error loading digger.yml: error cloning and loading config: digger config file not found: both digger.yml and digger.yaml are missing: open /tmp/repo2728006928/digger.yaml: no such file or directory

[codeant-ai]

Sequence Diagram

Adds a new /hello route that returns a simple JSON "Hello World!" message. The diagram shows the main request flow from client to the Express app and the router returning the JSON response.

sequenceDiagram
    participant Client
    participant ExpressApp
    participant HelloRouter

    Client->>ExpressApp: GET /hello
    ExpressApp->>HelloRouter: Dispatch to /hello route
    HelloRouter-->>ExpressApp: JSON { message: "Hello World!" }
    ExpressApp-->>Client: 200 OK (JSON message)

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Generated by CodeAnt AI

[digger-staging]

❌ Error loading digger config: error loading digger.yml: error cloning and loading config: digger config file not found: both digger.yml and digger.yaml are missing: open /tmp/repo1113704204/digger.yaml: no such file or directory

[codeant-ai]

Nitpicks 🔍

🔒 No security issues identified

⚡ Recommended areas for review Missing route module The PR adds a require for ./routes/hello and mounts it. Validate that routes/hello exists, exports an Express Router (or compatible handler), and is included in the package. If the file is missing or exports something unexpected the app will crash at startup. Mounting and error handling The new route is mounted before the 404 handler (good). Confirm the hello route handles errors and next(err) properly so unhandled errors propagate to the central error handler. Also ensure it doesn't bypass existing static or auth middleware unintentionally. Modern JS usage The new code uses var and a traditional function expression. Prefer const/let and arrow functions to reduce accidental hoisting and make intent clearer. Update the declarations and handler style for consistency with modern Node/Express codebases.

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