feat: Mobile Apps (iOS/Android) via PWA (Issue #165)

[rohitkumarnaidu]

Description

This PR converts the CareSync web application into a fully installable Progressive Web App (PWA) to satisfy the Mobile Apps (iOS/Android) requirement. It adds a \manifest.json\ with proper icons and theme colors, and implements an offline caching service worker (\sw.js) to cache core assets. Users can now use the 'Add to Home Screen' feature on iOS/Android for a native app-like experience.

Resolves #165

Summary by CodeRabbit

• New Features

  • Added progressive web app support, including an installable app manifest, app icons, and theme colors.
  • Added offline caching for key app pages and the web app manifest.

• Bug Fixes

  • Improved cache management by removing outdated cached resources during activation.

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 63294999-5e5d-494c-b1e7-d4bd98c89335

📥 Commits

Reviewing files that changed from the base of the PR and between 8947fe6 and 64eb65f.

📒 Files selected for processing (1)

• public/sw.js

📝 Walkthrough

Walkthrough

Adds CareSync PWA metadata and defines a simplified service worker that pre-caches core routes, uses cache-first fetch handling, and removes outdated caches during activation.

Changes

PWA enablement

Layer / File(s)	Summary
PWA metadata public/index.html, public/manifest.json	Adds manifest, Apple touch icon, theme-color, app identity, icons, standalone display mode, and default colors.
Service worker caching public/sw.js	Pre-caches core routes, applies cache-first fetch handling, and retains only the current cache during activation.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Possibly related issues

• CareSync issue 220 — Covers the PWA manifest and offline caching behavior implemented here.

Possibly related PRs

• vallabhatech/CareSync#178 — Also modifies public/sw.js caching and lifecycle behavior.

Suggested reviewers: copilot

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The PR adds PWA install/offline support, but the issue asks for native iOS and Android apps with full platform integration.	Implement actual native iOS and Android apps, or update the issue scope if a PWA is the intended solution.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is concise and aligns with the PR’s main PWA/mobile-app work.
Out of Scope Changes check	✅ Passed	The changes stay focused on enabling PWA installability and offline support for the requested mobile experience.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@public/sw.js`:
- Around line 2-5: Update the service worker’s urlsToCache and fetch handling so
the built application’s generated JS/CSS bundles are precached or same-origin
static assets are cached after network fetches. Ensure the application shell,
including its required compiled assets, remains available offline rather than
caching only index.html and metadata.
- Around line 1-16: Add a notificationclick event listener in public/sw.js
alongside the existing install handler; close the clicked notification, then
focus an existing client window when available or open the app URL otherwise,
ensuring showNotification reminders remain actionable after the original tab
changes.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 2e18d101-3c65-4015-8faa-5aad6277aa90

📥 Commits

Reviewing files that changed from the base of the PR and between badd953 and 8947fe6.

📒 Files selected for processing (3)

• public/index.html
• public/manifest.json
• public/sw.js

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[sonarqubecloud]

Quality Gate passed

Issues
4 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud