[Programs] Fix Hacktoberfest card linking to /programs/null on /careers/internships

[Voyagerroc-Lab]

Description

This PR fixes #8050.

On https://layer5.io/careers/internships the Hacktoberfest program card linked to https://layer5.io/programs/null instead of a valid URL.

Root cause

src/collections/programs/hacktoberfest-2023/index.mdx (the "Hacktoberfest Prep 2023 ..." entry) was missing the programSlug frontmatter field.

The careers programs grid (src/sections/Careers/Careers-Programs-grid/index.js) queries all programs collection entries, sorts them by archived (ASC) then title (DESC), and de-duplicates by the program name. Because title is sorted descending, "Hacktoberfest Prep 2023: ..." sorts ahead of "Hacktoberfest 2025", "Hacktoberfest 2024", etc., so this entry won the de-duplication for the Hacktoberfest program. Its absent programSlug is returned by Gatsby's GraphQL layer as null, and the card link is built as `/programs/${frontmatter.programSlug}` → /programs/null.

Change

Added the missing field, matching the pattern already used by every sibling Hacktoberfest entry (hacktoberfest-2020 … hacktoberfest-2025):

 program: "Hacktoberfest"
+programSlug: "hacktoberfest"
 date: 2023-09-29

Notes for Reviewers — Verification

1. Root-cause / behavior reproduced by re-implementing the exact grid logic (sort archived ASC + title DESC, de-dupe by program, link `/programs/${programSlug}`) against the working tree vs. HEAD:
   • BEFORE: Hacktoberfest card (winning entry hacktoberfest-2023) → programSlug = null → /programs/null
   • AFTER: Hacktoberfest card (winning entry hacktoberfest-2023) → programSlug = "hacktoberfest" → /programs/hacktoberfest
   • All other program cards unchanged (sca-contributhon, mlh, gsoc, gsod, communitybridge, and the Layer5 entry which intentionally uses its own page slug).
2. ESLint (npx eslint . with NODE_ENV=test, per the repo's lint note): the changed file is .mdx frontmatter and is not covered by the ESLint config, and ESLint reports no changes vs. baseline.
3. A local full gatsby build could not be completed in my environment because sharp fails to compile without a Visual Studio C++ toolchain (node-gyp: Could not find any Visual Studio installation). This is an environment limitation only; the PR preview build will exercise the full Gatsby data layer.

Scope: single line, one file, no logic/component changes.

Signed commits

• Yes, I signed my commits.

Summary by CodeRabbit

• Content Updates
  • Updated the Hacktoberfest 2023 event page metadata to associate it with the Hacktoberfest program.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: dd40ee78-3d07-41f8-b797-9dd62016533d

📥 Commits

Reviewing files that changed from the base of the PR and between bd554ad and b099a7a.

📒 Files selected for processing (1)

• src/collections/programs/hacktoberfest-2023/index.mdx

Included review availability: Your plan provides up to 4 included reviews per hour; 3 remain after this review.

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📝 Walkthrough

Walkthrough

The Hacktoberfest event metadata now includes programSlug: "hacktoberfest".

Changes

Hacktoberfest program metadata

Layer / File(s)	Summary
Add program slug src/collections/programs/hacktoberfest-2023/index.mdx	The event frontmatter now defines the programSlug value as "hacktoberfest".

Priority: ➖ Normal

Estimated code review effort: 1 (Trivial) | ~2 minutes

Change: Bug fix · Severity of issue fixed: Medium

Merge Risk: ⚪ Minimal · up to b099a

The Hacktoberfest card should now resolve to the intended program URL without introducing runtime or deployment risk.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly states that the Hacktoberfest program card link is being fixed from /programs/null. This matches the primary change described in the pull request.
Linked Issues check	✅ Passed	The change adds programSlug: "hacktoberfest" to src/collections/programs/hacktoberfest-2023/index.mdx. This supplies the slug required by issue #8050 and changes the generated program-card target …
Out of Scope Changes check	✅ Passed	The pull request changes only the Hacktoberfest 2023 program frontmatter field required by issue #8050. It includes no unrelated component, logic, or content changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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