🔧 Feature #975: Dependency Injection Container

[BhakktiGautam]

Feature #975: Dependency Injection Container

Problem

Service construction becomes manual as dependencies grow.

Solution

Lightweight dependency injection container.

Benefits

• Better testability
• Reduced coupling
• Cleaner initialization
• Centralized control

Files Added

• backend/core/diContainer.js
• backend/core/serviceRegistration.js
• backend/middleware/diMiddleware.js
• backend/routes/diRoutes.js

Lifetimes

• Singleton (one instance)
• Scoped (per request/scope)
• Transient (new instance each time)

Features

• Constructor injection
• Factory registration
• Alias support
• Scope management
• Circular dependency detection

**Fixes #975 | Ready for review **

[hydra-maintainer]

🔍 Quality Gate Report

✅ All quality gates passed!

Status	Check	Details
✅	Linked Issue	PR description references a closing issue ✅

[hydra-maintainer]

💡 Suggested reviewers based on relevant file history: @zaibamachhaliya, @om-dev007

[vercel]

@BhakktiGautam is attempting to deploy a commit to the Bhuvansh's projects Team on Vercel.

A member of the Team first needs to authorize it.

[hydra-maintainer]

🔴 PR Health Score: 30/100

This PR's health score is below the 75/100 threshold for a healthy label.

Status	Signal
❌	Test coverage
✅	Linked issue
✅	PR description (≥50 chars)
❌	DCO sign-off
⬜ 0 approval(s)	Approvals
❌	Diff size < 400 lines

Improving these signals will help reviewers engage faster and raise your score. 💪

[hydra-maintainer]

🔍 Quality Gate Report

✅ All quality gates passed!

Status	Check	Details
✅	Linked Issue	PR description references a closing issue ✅