fix(branding): default the support contact to help@dos.ai

[JOY (JOY)]

One-value follow-up to PR #21 (batch 2, reviewer-approved mechanism): default the support contact to help@dos.ai instead of support@dos.ai - touches only the SUPPORT_EMAIL fallback in packages/lib/constants/app.ts and its .env.example documentation. Override stays available via NEXT_PUBLIC_SUPPORT_EMAIL.

JOY-directed value change; no other diff.

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📌 TL;DR

Updates the default support email address from support@dos.ai to help@dos.ai across environment configuration and application constants to align with the new support channel.

🎯 Type of Change

• 🚀 New feature
• 🐛 Bugfix
• 🧹 Refactor
• ⚡ Performance
• 📚 Documentation
• ⚙️ CI / Configuration

🔍 Changes Walkthrough

File	Summary of Changes
.env.example	Updated the NEXT_PUBLIC_SUPPORT_EMAIL example value to help@dos.ai to reflect the new standard support address.
packages/lib/constants/app.ts	Changed the fallback default for SUPPORT_EMAIL from support@dos.ai to help@dos.ai to ensure consistency when the environment variable is not set.

📊 Architectural Flow

flowchart TD
    A[User Action: Request Support] --> B{Check Env Var<br>NEXT_PUBLIC_SUPPORT_EMAIL}
    B -->|Set| C[Use Env Value]
    B -->|Not Set| D[Use Default Constant]
    D --> E[help@dos.ai]
    C --> F[Display/Use Email]
    E --> F

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Summary by CodeRabbit

• Updates
  • The default support email address is now help@dos.ai. The example configuration has also been updated to use this address. If a custom support email is configured, it continues to take precedence over the default.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: 8288068e-31ab-494b-8d4d-5fd500567d1b

📥 Commits

Reviewing files that changed from the base of the PR and between 7517210 and d8cd149.

📒 Files selected for processing (2)

• .env.example
• packages/lib/constants/app.ts

Included review availability: This review used your included allowance. Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The example support email and the default SUPPORT_EMAIL value changed from support@dos.ai to help@dos.ai. The NEXT_PUBLIC_SUPPORT_EMAIL override remains in place.

Changes

Support email configuration

Layer / File(s)	Summary
Align support email values .env.example, packages/lib/constants/app.ts	The example value and the default SUPPORT_EMAIL value now use help@dos.ai. The environment variable override is unchanged.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Other

Suggested reviewers: dguyen

Merge Risk: ⚪ Minimal · up to d8cd1

The example and application fallback now use help@dos.ai, while the override remains available. No merge-blocking issue is evident.

🚥 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 and concisely describes the main change: updating the default support contact to help@dos.ai.
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 1…
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.

✨ Finishing Touches

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🧪 Generate unit tests (beta)

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[gemini-code-assist]

Code Review

This pull request updates the support email address from 'support@dos.ai' to 'help@dos.ai' in the environment variables template (.env.example) and as the fallback constant in the application constants (packages/lib/constants/app.ts). There are no review comments, and I have no feedback to provide.