[POLY-86] Fix onboarding copy for first-time users

[cole-hackman]

Summary

Fixes confusing onboarding copy where first-time users saw "Welcome back" on the email step. The email/verification screen is shared by both new and returning users, so the copy is now neutral.

Linear: POLY-86

Changes

• Email step title: "Welcome back" → "Sign in"
• Email step eyebrow: "PolyBuys Access" → "PolyBuys" (consistent with other steps)
• Email step subtitle: "Sign in with your Cal Poly email to continue." → "Enter your Cal Poly email to continue."
• Checking step spinner text: "Setting up your account..." → "Signing you in..."

Testing

• Returning users see the same neutral "Sign in" copy (appropriate since we don't know if they're new or returning until after verification)

Developed with Kiro

Summary by CodeRabbit

• Style
  • Refined login copy: updated loading message to "Signing you in...", simplified panel eyebrow to "PolyBuys", changed email-step title to "Sign in", and clarified email-step prompt to "Enter your Cal Poly email to continue."

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Project	Deployment	Actions	Updated (UTC)
poly-buys	Ready	Preview, Comment	Apr 21, 2026 4:04am

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: d59919e5-76a5-49db-b436-914f0bb1f6dc

📥 Commits

Reviewing files that changed from the base of the PR and between bdf4087 and b6a48b9.

📒 Files selected for processing (1)

• frontend/app/auth/login.tsx

🚧 Files skipped from review as they are similar to previous changes (1)

• frontend/app/auth/login.tsx

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📝 Walkthrough

Walkthrough

Updated copy in the login UI: changed the profile-loading message, main panel eyebrow, email-step title, and email-step subtitle text in the login component.

Changes

Cohort / File(s)	Summary
Login UI Text Updates frontend/app/auth/login.tsx	Replaced loading text "Setting up your account..." → "Signing you in..."; panel eyebrow "PolyBuys Access" → "PolyBuys"; email-step title "Welcome back" → "Sign in"; email-step subtitle "Sign in with your Cal Poly email to continue." → "Enter your Cal Poly email to continue."

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Fix/team feedback UI issues #75 — Edits the same login component and overlaps on the checking/loading text and login copy adjustments.

Poem

🐰 I hopped to the login, tidy and spry,
"PolyBuys" now greets with a wink of an eye,
"Sign in" I whisper, the path made clear,
A nibble of copy, simple and near,
Tiny changes, big rabbit cheer! 🎉

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Description check	❓ Inconclusive	The description includes a summary, specific changes, and testing notes, but is missing required sections like 'Linked Issues' header, 'How to Test', and the checklist.	Restructure the description to match the template: add 'Linked Issues' section with issue number, expand 'How to Test' with specific steps and verification instructions, and include the full checklist with checkboxes.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: fixing onboarding copy for first-time users by making the email step neutral.
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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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feature/POLY-86-onboarding-copy

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[jaydonkc]

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