feat(company-profile): Add null safety and update registration metrics display

[codeunia-dev]

• Add null coalescing operators to total_events and total_hackathons to prevent undefined display
• Replace total_participants with total_registrations for accurate metric tracking
• Update label from "Participants" to "Registrations" for clarity
• Add total_registrations field to Company interface type definition
• Ensure all statistics display 0 as fallback when data is unavailable

Authored by: @akshay0611

Summary by CodeRabbit

• Bug Fixes

  • Company profile statistics now display 0 instead of undefined values when data is unavailable.

• Improvements

  • Updated statistics label from "Participants" to "Registrations" for consistency with data structure.

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Project	Deployment	Preview	Comments	Updated (UTC)
codeunia	Building	Preview	Comment	Nov 17, 2025 7:51am

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

A new total_registrations field was added to the Company type definition, and the CompanyProfile component was updated to display registration statistics in place of participants with null-coalescing defaults applied to numeric fields.

Changes

Cohort / File(s)	Summary
Type Definition Update types/company.ts	Added new numeric field total_registrations to the Company interface.
Component UI Update components/companies/CompanyProfile.tsx	Updated statistics grid to use total_registrations instead of total_participants, changed label from "Participants" to "Registrations", and added null-coalescing defaults (|| 0) to all numeric stat values.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

• The changes are localized to a single interface addition and one component update
• Null-coalescing pattern applied consistently across three numeric fields
• Straightforward field rename with clear semantic intent

Possibly related PRs

• #320: Implements analytics logic to increment the company.total_registrations field that this PR introduces into the type system and UI.

Poem

🐰 A registration field hops into view,
No more guessing what participants do!
Nulls now default to zero with care,
The stats are complete, the dashboard so fair! ✨

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/companydashboard

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 24ff47c and f4db0b9.

📒 Files selected for processing (2)

• components/companies/CompanyProfile.tsx (1 hunks)
• types/company.ts (1 hunks)

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