fix(auth): load dotenv in auth.ts for Netlify SSR OAuth env vars

[LesiaUKR]

fix(auth): load dotenv in auth.ts for Netlify SSR OAuth env vars

Summary by CodeRabbit

• Chores
  • Improved environment variable loading to support .env file configuration during application startup.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
devlovers-net	Ignored	Preview	Mar 28, 2026 6:01pm

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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: 41d6e44e-c23b-4daa-bff2-763bac9e42d8

📥 Commits

Reviewing files that changed from the base of the PR and between 9240c21 and b1bfbdc.

📒 Files selected for processing (1)

• frontend/lib/env/auth.ts

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📝 Walkthrough

Walkthrough

The frontend/lib/env/auth.ts module now imports and initializes dotenv at load time, ensuring environment variables from a .env file are loaded into process.env before the existing validation logic executes. No changes to exported entities or control flow logic.

Changes

Cohort / File(s)	Summary
Environment Variable Loading frontend/lib/env/auth.ts	Added dotenv import and dotenv.config() call to load environment variables from .env file at module initialization, prior to existing environment validation.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• feat (auth): implement Google and GitHub sign up and log in supportin… #88 — Modifies the same frontend/lib/env/auth.ts module to ensure .env values are available for environment validation.
• revert(auth,db): rollback oauth/db env changes to restore auth flow #311 — Restructures exported authEnv in frontend/lib/env/auth.ts, directly related to the same file and environment configuration layer.
• fix(netlify): deliver env vars to SSR runtime via .env generation at build time #428 — Adds build-time generation of .env for Netlify SSR, targeting the same environment-file workflow that this PR enables at runtime.

Suggested reviewers

• AM1007
• ViktorSvertoka
• liudmylasovetovs

Poem

🐰 A dotenv hop, so quick and neat,
Environment vars now skip a beat,
Before validation starts its run,
The config loads—our work is done! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: loading dotenv in auth.ts to address Netlify SSR OAuth environment variables. It directly corresponds to the changeset which adds dotenv import and initialization.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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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 sl/feat/db-optimization

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