feat: Enhance Repository-Specific Contribution Tracking

[Aditya8369]

Summary of Changes
URL Parameter & Schema Validation:

Added repo?: string parameter to baseStreakParamsSchema in

lib/validations.ts
with strict owner/repository-name format validation.
Added repo?: string to BadgeParams and RepoContribution in

types/index.ts
.
GraphQL Scoping & GitHub Fetcher:

Updated FetchOptions and cacheKey in

lib/github.ts
to isolate cache keys per repository (:repo:owner/repo).
Extended the commitContributionsByRepository GraphQL query in fetchContributionsUncached to query contributions(first: 100) { totalCount nodes { occurredAt commitCount } }.
Implemented calendar filtering so that when options.repo is provided, contribution counts per day, total contributions, and repository lists are scoped strictly to the specified repository.
API Route & Title Generation:

Updated

app/api/streak/route.ts
to parse repo and pass it down to fetchGitHubContributions.
Dynamically updated default SVG title to "CommitPulse for owner/repo" when &repo= is provided (unless overridden by custom_title).
Testing:

Added unit tests in

tests/repo-contribution.test.ts
covering parameter validation, cache key generation, and contribution scoping.
Verified that all 6 tests in tests/repo-contribution.test.ts and all 103 tests in lib/github.test.ts pass cleanly.

closes #8977

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[retenta-bot]

This pull request significantly enhances the contribution tracking capabilities by scoping contributions to specific repositories and improving validation mechanisms. It aligns well with previous decisions, such as implementing GitHub GraphQL rate limit handling and adding TypeScript validation for the streak route. These improvements will help maintain system stability and user experience. Thank you for your contributions!

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[github-actions]

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[Aamod007]

This is a fantastic feature enhancement! Allowing users to scope their contribution monolith to a specific repository via the &repo=\ parameter adds a lot of value.

Refining the \streakParamsSchema\ in \�alidations.ts\ to enforce the \owner/repo\ format prevents malformed requests early. I also really appreciate how thoroughly you handled the \etchGitHubContributions\ logic to correctly recalculate \ otalContributions\ and zero out non-matching days in the \contributionCalendar\ when a repo is specified. The
epo-contribution.test.ts\ suite covers all the edge cases perfectly.

Labels applied:

• type:feature: Adds repository-scoped contribution tracking.
• level:intermediate: Handles complex GraphQL response transformation and schema validation.
• quality:exceptional: Clean, robustly tested implementation with good cache key logic.

[Aditya8369]

@Aamod007 @JhaSourav07

[github-actions]

📦 Next.js Bundle Size Report (Gzipped Sizes)

Asset	PR Size	Base Size	Difference	Status
static/chunks/3952-[hash].js	7.82 KB	7.78 KB	+0.04 KB (+0.53%)	🔴 Regression

📊 Summary of Totals

Category	PR Size	Base Size	Difference
Total JS	5004.46 KB	5004.32 KB	+0.14 KB (+0.00%)
Total CSS	354.80 KB	354.80 KB	0 B