fix: switch course year tags without piling up browser history

[rootulp]

A Reddit commenter noted that on a course page (e.g. /courses/im703-wisconsin), clicking through the year tags stacks a browser-history entry per click, so returning to the previous page requires many Back clicks.

The year tags used <Link> with default push navigation. Adding replace keeps the URL shareable/bookmarkable while a year switch replaces the current history entry — so one Back returns to the previous page instead of stepping through each viewed year.

Added an e2e test (e2e/course-year-history.spec.ts) that clicks through several years and asserts a single Back returns to the courses overview.

🤖 Generated with Claude Code

https://claude.ai/code/session_01Bytmqtq2bNyot4PRvo8es7

Summary by CodeRabbit

• Bug Fixes

  • Updated course year navigation so switching between editions does not add unnecessary browser-history entries.
  • Selecting “All years” or a specific year now lets you return directly to the previous page with one Back action.

• Tests

  • Added end-to-end coverage verifying the improved browser-history behavior when switching course years.

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Project	Deployment	Actions	Updated (UTC)
tritimes	Ready	Preview, Comment	Jul 17, 2026 9:54pm

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 582060d5-0942-4528-9070-7c5d3388a922

📥 Commits

Reviewing files that changed from the base of the PR and between 26b8f26 and 9b740de.

📒 Files selected for processing (2)

• app/e2e/course-year-history.spec.ts
• app/src/app/courses/[course]/page.tsx

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📝 Walkthrough

Walkthrough

Course year links now replace the current browser-history entry when switching editions. A Playwright test verifies year URL updates and confirms one back navigation returns to the courses overview.

Changes

Course year navigation

Layer / File(s)	Summary
Replace year navigation and verify history app/src/app/courses/[course]/page.tsx, app/e2e/course-year-history.spec.ts	Year links use Next.js replace, and the end-to-end test verifies that switching among 2025, 2024, and 2023 does not stack history entries.

Estimated code review effort: 2 (Simple) | ~10 minutes

🚥 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 summarizes the main change: course year tags now replace history entries instead of stacking them.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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