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refactor: Improve responsiveness and touch target sizes across multiple screens, and update PostHog integration to disable on web#19

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fortune710 merged 3 commits intofortune710:mainfrom
MaestroDev19:main
Jan 6, 2026
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refactor: Improve responsiveness and touch target sizes across multiple screens, and update PostHog integration to disable on web#19
fortune710 merged 3 commits intofortune710:mainfrom
MaestroDev19:main

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@MaestroDev19 MaestroDev19 commented Jan 6, 2026

Summary by CodeRabbit

  • New Features

    • Enhanced tablet experience with responsive layouts across capture, vault, friends, and social screens
    • Larger touch targets and tablet-aware sizing for improved iPad usability
    • Responsive content scaling, centering, and width constraints for better readability on larger screens
  • Documentation

    • Added a Tablet UX Improvements guide with design guidelines, breakpoints, usage examples, and testing/checklist steps
  • Style

    • Minor formatting improvements to configuration and constants files

✏️ Tip: You can customize this high-level summary in your review settings.

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coderabbitai bot commented Jan 6, 2026

Walkthrough

Adds a responsive utility hook and documentation for tablet UX, and applies tablet-specific layout, spacing, and touch-target adjustments to capture, friends, social, and vault screens; also includes minor formatting tweaks to Babel and PostHog files.

Changes

Cohort / File(s) Summary
Documentation & New Hook
frontend/TABLET_UX_IMPROVEMENTS.md, frontend/hooks/use-responsive.ts
Adds tablet UX doc and a new useResponsive() hook plus useTabletLayout() exporting device flags, scaling helpers, spacing/typography tables, min touch target, maxContentWidth, contentPadding, and tablet layout helpers (columns, gridGap, getCardWidth, containerStyle).
Capture Screen
frontend/app/capture/index.tsx
Integrates useResponsive, applies responsive padding/max width and min touch targets to buttons, adjusts main content sizing for tablets, and adds camera initialization overlay and live recording indicator.
Friends Screen
frontend/app/friends.tsx
Uses useResponsive; centers main content on tablet, constrains max width, and enforces minimum touch target heights for search/share elements.
Social Screen
frontend/app/social.tsx
Uses useResponsive; conditionally applies responsive contentContainerStyle on tablet (maxContentWidth, contentPadding, centering) and adds min touch target to create button.
Vault Screen
frontend/app/vault.tsx
Adds useResponsive and useTabletLayout; conditionally extends FlashList contentContainer styles for tablet (paddingHorizontal, maxWidth, alignSelf, width); tabletLayout initialized but not further used in diff.
Build & Config Formatting
frontend/babel.config.js, frontend/constants/posthog.ts
Formatting/indentation and minor console-message/arrow-function formatting changes only; no behavioral or API changes.

Sequence Diagram(s)

(omitted — changes are UI/layout additions and a utilities hook; no new multi-component request/response flow to visualize)

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Possibly related PRs

Poem

🐇 I hopped into code with a twirl and a cheer,
Tablets now welcome fingers far and near.
Bigger targets, centered delight,
Spacing and scales feeling just right—
A little rabbit clap for UX here! 🎉

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately reflects the main changes: adding responsive utilities and tablet-optimized touch targets across multiple screens, plus PostHog web integration adjustments.
✨ Finishing touches
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Actionable comments posted: 5

🤖 Fix all issues with AI Agents
In @frontend/app/capture/index.tsx:
- Around line 581-582: The comment "Tablet: larger touch targets" is misleading
and the hard-coded minHeight: 44 should use the responsive constant; replace the
literal 44 in the style using responsive.minTouchTarget from the useResponsive
hook (ensure the responsive variable is actually used so the previous
unused-variable warning is resolved) and update or remove the comment to reflect
that this minHeight now comes from responsive.minTouchTarget rather than being a
tablet-only hardcode.

In @frontend/app/vault.tsx:
- Around line 140-148: FlashList's contentContainerStyle should be a single
style object, not an array; change the usage of contentContainerStyle in
vault.tsx so it merges styles into one object instead of passing
[styles.contentContainer, responsive.isTablet && {...}]; use an object that
spreads styles.contentContainer and conditionally spreads the tablet-specific
properties when responsive.isTablet is true (keeping the same keys:
paddingHorizontal: responsive.contentPadding, maxWidth:
responsive.maxContentWidth, alignSelf: 'center', width: '100%') so
contentContainerStyle always receives a single plain object.

In @frontend/TABLET_UX_IMPROVEMENTS.md:
- Around line 77-80: The iPad Mini dimensions in TABLET_UX_IMPROVEMENTS.md are
inconsistent with the values used in use-responsive.ts; update the iPad Mini
entry from "768x1024 portrait, 1024x768 landscape" to the correct iPad Mini
6th‑generation points "744x1133 portrait, 1133x744 landscape" and verify the
comment or constants in use-responsive.ts (e.g., any reference to useResponsive
or its comments) match this same 744x1133 value so both files stay consistent.
🧹 Nitpick comments (8)
frontend/hooks/use-responsive.ts (1)

2-2: Unused import: Platform

Platform is imported from react-native but is not used anywhere in this file.

🔎 Proposed fix
-import { Dimensions, Platform, ScaledSize } from 'react-native';
+import { Dimensions, ScaledSize } from 'react-native';
frontend/app/vault.tsx (1)

29-30: Unused variable: tabletLayout

tabletLayout is initialized but never used in this component. Either remove it or use tabletLayout.containerStyle for the FlashList content container styling for consistency with other screens.

🔎 Option 1: Remove unused variable
  const responsive = useResponsive();
-  const tabletLayout = useTabletLayout();

And update the import:

-import { useResponsive, useTabletLayout } from '@/hooks/use-responsive';
+import { useResponsive } from '@/hooks/use-responsive';
🔎 Option 2: Use tabletLayout.containerStyle
          contentContainerStyle={[
            styles.contentContainer,
-            responsive.isTablet && {
-              paddingHorizontal: responsive.contentPadding,
-              maxWidth: responsive.maxContentWidth,
-              alignSelf: 'center' as const,
-              width: '100%',
-            }
+            responsive.isTablet && tabletLayout.containerStyle
          ]}
frontend/app/friends.tsx (1)

20-20: Unused variable: responsive

The responsive hook is initialized but never used in this component. The tablet styles in styles.content (lines 251-254) are hardcoded instead of being conditionally applied based on responsive.isTablet.

Either remove the unused import and hook call, or apply tablet styles conditionally like in other screens:

🔎 Option 1: Remove unused responsive
-import { useResponsive } from '@/hooks/use-responsive';
 export default function FriendsScreen() {
-  const responsive = useResponsive();
   const { profile } = useAuthContext();
🔎 Option 2: Use responsive conditionally (recommended for consistency)

Update the content style to remove hardcoded tablet constraints:

   content: {
     flex: 1,
     paddingHorizontal: 20,
     paddingBottom: 40,
-    // Tablet: center content with max width constraint
-    maxWidth: 900,
-    alignSelf: 'center',
-    width: '100%',
   },

Then apply tablet styles conditionally in JSX (similar to social.tsx):

<View style={[
  styles.content,
  responsive.isTablet && {
    maxWidth: responsive.maxContentWidth,
    alignSelf: 'center',
    width: '100%',
  }
]}>
frontend/TABLET_UX_IMPROVEMENTS.md (1)

146-148: Duplicate reference links.

Lines 147 and 148 link to the same URL. Consider removing the duplicate or replacing one with a different, more authoritative source (e.g., Apple's official HIG documentation).

🔎 Proposed fix
 ## References
 
 - [iOS Human Interface Guidelines](https://developer.apple.com/design/human-interface-guidelines/)
-- [iPad Design Guidelines](https://www.bairesdev.com/blog/ios-design-guideline/)
-- [iOS Design Guidelines 2025](https://www.bairesdev.com/blog/ios-design-guideline/)
+- [iPad App Design Guidelines](https://developer.apple.com/design/human-interface-guidelines/designing-for-ipados)
frontend/app/capture/index.tsx (4)

710-712: Use responsive.minTouchTarget constant instead of hard-coded value.

The hard-coded 44 should be replaced with responsive.minTouchTarget for consistency and maintainability. This ensures all touch target constraints reference the same constant defined in the responsive hook.

🔎 Proposed fix
   uploadButton: {
     width: 48,
     height: 48,
     backgroundColor: '#F8FAFC',
     borderRadius: 24,
     justifyContent: 'center',
     alignItems: 'center',
     shadowColor: '#000',
     shadowOffset: { width: 0, height: 2 },
     shadowOpacity: 0.1,
     shadowRadius: 4,
     elevation: 3,
     // Ensure minimum touch target (iOS guideline: 44pt)
-    minWidth: 44,
-    minHeight: 44,
+    minWidth: responsive.minTouchTarget,
+    minHeight: responsive.minTouchTarget,
   },

Note: This requires fixing the unused responsive variable issue flagged earlier.


731-733: Use responsive.minTouchTarget constant instead of hard-coded value.

Same issue as the uploadButton above: replace hard-coded 44 with responsive.minTouchTarget.

🔎 Proposed fix
   flipButton: {
     width: 48,
     height: 48,
     backgroundColor: '#F8FAFC',
     borderRadius: 24,
     justifyContent: 'center',
     alignItems: 'center',
     shadowColor: '#000',
     shadowOffset: { width: 0, height: 2 },
     shadowOpacity: 0.1,
     shadowRadius: 4,
     elevation: 3,
     // Ensure minimum touch target (iOS guideline: 44pt)
-    minWidth: 44,
-    minHeight: 44,
+    minWidth: responsive.minTouchTarget,
+    minHeight: responsive.minTouchTarget,
   },

747-749: Misleading comment: references 44pt but uses 85, claims tablet-specific but applies to all devices.

The comment states "Ensure minimum touch target for tablets (iOS guideline: 44pt)" but then sets minWidth: 85 and minHeight: 85. This is confusing because:

  1. The values (85) don't match the referenced guideline (44pt)
  2. The comment claims tablet-specific but the style applies to all devices
  3. The button is already scale(85), so these min constraints simply match the button's actual size

If the intent is to prevent the button from shrinking below 85, the comment should clarify this. If the intent is to reference the iOS touch target guideline, use 44 (or responsive.minTouchTarget).

🔎 Suggested clarification
   captureButton: {
     width: scale(85),
     height: scale(85),
     borderRadius: 999,
     backgroundColor: '#8B5CF6',
     justifyContent: 'center',
     alignItems: 'center',
     shadowColor: '#8B5CF6',
     shadowOffset: { width: 0, height: 4 },
     shadowOpacity: 0.3,
     shadowRadius: 8,
     elevation: 8,
-    // Ensure minimum touch target for tablets (iOS guideline: 44pt)
+    // Prevent button from scaling below minimum size
     minWidth: 85,
     minHeight: 85,
   },

24-24: Consider using responsive scaling functions for consistent tablet adaptation.

The code currently imports scale and verticalScale from react-native-size-matters (line 24) and uses them throughout (e.g., lines 473, 574, 615, 736-737, 774, 797). However, the useResponsive hook provides its own responsive scaling functions (responsiveScale, responsiveVerticalScale, responsiveModerateScale) that adjust specifically for tablet form factors (e.g., applying a 0.9 factor on tablets).

For true tablet-responsive behavior aligned with the PR objectives, consider switching to the responsive scaling functions once the responsive hook is properly utilized.

Also applies to: 473-473, 574-574, 615-615, 736-737, 774-774, 797-797

📜 Review details

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between e79a7d9 and 19f3ef1.

📒 Files selected for processing (8)
  • frontend/TABLET_UX_IMPROVEMENTS.md
  • frontend/app/capture/index.tsx
  • frontend/app/friends.tsx
  • frontend/app/social.tsx
  • frontend/app/vault.tsx
  • frontend/babel.config.js
  • frontend/constants/posthog.ts
  • frontend/hooks/use-responsive.ts
🧰 Additional context used
🧬 Code graph analysis (4)
frontend/app/vault.tsx (1)
frontend/hooks/use-responsive.ts (2)
  • useResponsive (63-152)
  • useTabletLayout (157-189)
frontend/app/social.tsx (1)
frontend/hooks/use-responsive.ts (1)
  • useResponsive (63-152)
frontend/app/capture/index.tsx (1)
frontend/hooks/use-responsive.ts (1)
  • useResponsive (63-152)
frontend/app/friends.tsx (1)
frontend/hooks/use-responsive.ts (1)
  • useResponsive (63-152)
🪛 LanguageTool
frontend/TABLET_UX_IMPROVEMENTS.md

[grammar] ~7-~7: Ensure spelling is correct
Context: ...been optimized for tablet screen sizes (768pt and larger). ## Key Improvements ### ...

(QB_NEW_EN_ORTHOGRAPHY_ERROR_IDS_1)

🔇 Additional comments (11)
frontend/constants/posthog.ts (1)

30-38: LGTM!

The PostHog initialization logic correctly disables analytics on the web platform while providing a comprehensive no-op mock. The three-condition check (apiKey && host && Platform.OS !== 'web') aligns with the PR objective to disable PostHog on web.

frontend/babel.config.js (1)

1-18: LGTM!

Formatting-only changes to improve readability. The babel configuration remains functionally equivalent.

frontend/hooks/use-responsive.ts (2)

63-152: Well-structured responsive hook implementation.

The hook correctly:

  • Uses lazy initialization for useState to avoid calling Dimensions.get() on every render
  • Properly cleans up the dimensions listener on unmount with optional chaining
  • Provides comprehensive tablet detection and responsive utilities following iOS HIG

157-189: LGTM!

The useTabletLayout hook provides a clean API for tablet-specific layouts with proper column calculations and container styles.

frontend/app/social.tsx (2)

54-63: LGTM!

The tablet-specific content container styling correctly applies maxContentWidth, centering, and responsive padding. Using undefined for non-tablet devices is a clean approach.


155-157: Good touch target compliance.

Adding minHeight: 44 ensures the "New Box" button meets iOS minimum touch target guidelines.

frontend/app/friends.tsx (2)

312-314: Good touch target compliance.

Adding minHeight: 44 to the search box ensures iOS minimum touch target guidelines are met.


346-348: Good touch target compliance.

Adding minHeight: 44 to the share button ensures iOS minimum touch target guidelines are met.

frontend/TABLET_UX_IMPROVEMENTS.md (1)

1-154: Good documentation for tablet UX improvements.

The documentation is comprehensive, covering the responsive utilities, screen updates, iOS guidelines compliance, testing procedures, and usage examples. This will be helpful for future developers maintaining or extending tablet support.

frontend/app/capture/index.tsx (2)

46-46: LGTM: Excellent camera readiness improvements.

The camera readiness state tracking and associated UI changes significantly improve the user experience:

  • Prevents premature capture attempts with clear checks (lines 145-148, 187-190)
  • Provides visual feedback with a loading overlay (lines 404-408, 630-645)
  • Disables interaction buttons until ready (lines 456, 462, 488)
  • Shows helpful status messages (lines 499-500)

This addresses potential race conditions and provides clear feedback during camera initialization.

Also applies to: 310-313, 400-400, 404-408, 456-456, 462-462, 488-488, 630-645


411-420: LGTM: Well-implemented video recording indicator.

The video recording indicator provides clear visual feedback:

  • Recording dot and timer are prominently displayed
  • Timer format (MM:SS) is readable and user-friendly
  • Overlay positioning ensures visibility without obstructing the camera view
  • Consistent with the existing audio recording indicator pattern

This enhances the user experience during video capture.

Also applies to: 653-667

Comment on lines 77 to 80
- iPad Pro 12.9" (1024x1366 portrait, 1366x1024 landscape)
- iPad Pro 11" (834x1194 portrait, 1194x834 landscape)
- iPad Air (820x1180 portrait, 1180x820 landscape)
- iPad Mini (768x1024 portrait, 1024x768 landscape)
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⚠️ Potential issue | 🟡 Minor

Inconsistent iPad Mini dimensions.

The dimensions listed here (768x1024) don't match the values in use-responsive.ts comments (744x1133). The iPad Mini 6th generation has a screen resolution of 744×1133 points.

🔎 Proposed fix
-   - iPad Mini (768x1024 portrait, 1024x768 landscape)
+   - iPad Mini (744x1133 portrait, 1133x744 landscape)
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
- iPad Pro 12.9" (1024x1366 portrait, 1366x1024 landscape)
- iPad Pro 11" (834x1194 portrait, 1194x834 landscape)
- iPad Air (820x1180 portrait, 1180x820 landscape)
- iPad Mini (768x1024 portrait, 1024x768 landscape)
- iPad Pro 12.9" (1024x1366 portrait, 1366x1024 landscape)
- iPad Pro 11" (834x1194 portrait, 1194x834 landscape)
- iPad Air (820x1180 portrait, 1180x820 landscape)
- iPad Mini (744x1133 portrait, 1133x744 landscape)
🤖 Prompt for AI Agents
In @frontend/TABLET_UX_IMPROVEMENTS.md around lines 77 - 80, The iPad Mini
dimensions in TABLET_UX_IMPROVEMENTS.md are inconsistent with the values used in
use-responsive.ts; update the iPad Mini entry from "768x1024 portrait, 1024x768
landscape" to the correct iPad Mini 6th‑generation points "744x1133 portrait,
1133x744 landscape" and verify the comment or constants in use-responsive.ts
(e.g., any reference to useResponsive or its comments) match this same 744x1133
value so both files stay consistent.

…onsiveness in Vault and Capture screens with improved touch target sizes
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Actionable comments posted: 0

🧹 Nitpick comments (2)
frontend/app/capture/index.tsx (2)

388-396: Consider applying responsive constraints only on tablets.

The responsive padding and max-width constraints are currently applied to all devices. According to the documentation and previous review patterns, these constraints (particularly maxContentWidth) are intended for tablet optimization to improve readability on larger screens. Applying them unconditionally may unnecessarily constrain content on phones.

🔎 Proposed fix to apply constraints conditionally
 <View 
   style={[
     styles.content,
-    {
-      paddingHorizontal: responsive.contentPadding,
-      maxWidth: responsive.maxContentWidth,
-    },
+    responsive.isTablet && {
+      paddingHorizontal: responsive.contentPadding,
+      maxWidth: responsive.maxContentWidth,
+      alignSelf: 'center',
+      width: '100%',
+    },
   ]}
 >

This ensures content constraints and centering only apply on tablets (≥768pt), allowing phone layouts to use full screen width naturally.


756-758: Consider using responsive constants for consistency, or clarify the comment.

The comment references the "44pt iOS guideline" but hard-codes minWidth: 85 and minHeight: 85. This is inconsistent with the pattern used for other buttons (upload and flip) which use responsive.minTouchTarget.

While 85pt exceeds the 44pt minimum requirement, the hard-coded value creates inconsistency. Consider one of these approaches:

🔎 Option 1: Use responsive constant for the minimum
-    // Ensure minimum touch target for tablets (iOS guideline: 44pt)
-    minWidth: 85,
-    minHeight: 85,
+    // Ensure minimum touch target (iOS guideline: 44pt)
+    minWidth: responsive.minTouchTarget,
+    minHeight: responsive.minTouchTarget,

This ensures the button never falls below 44pt even if scale() reduces it, while maintaining pattern consistency.

🔎 Option 2: Clarify why 85pt is the minimum
-    // Ensure minimum touch target for tablets (iOS guideline: 44pt)
+    // Maintain large capture button size (min 85pt) across all screen sizes
     minWidth: 85,
     minHeight: 85,

This makes it clear that 85pt is an intentional design choice beyond the iOS minimum.

📜 Review details

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 19f3ef1 and ffb1690.

📒 Files selected for processing (3)
  • frontend/TABLET_UX_IMPROVEMENTS.md
  • frontend/app/capture/index.tsx
  • frontend/app/vault.tsx
🚧 Files skipped from review as they are similar to previous changes (1)
  • frontend/app/vault.tsx
🧰 Additional context used
🪛 LanguageTool
frontend/TABLET_UX_IMPROVEMENTS.md

[grammar] ~7-~7: Ensure spelling is correct
Context: ...been optimized for tablet screen sizes (768pt and larger). ## Key Improvements ### ...

(QB_NEW_EN_ORTHOGRAPHY_ERROR_IDS_1)

🔇 Additional comments (5)
frontend/app/capture/index.tsx (4)

30-30: LGTM! Responsive hook is now properly integrated.

The useResponsive hook is correctly imported and initialized, and the responsive variable is actively used throughout the component (lines 366, 392-393, 453-454, 503-504). This resolves the previous unused-variable concern.

Also applies to: 35-35


366-366: LGTM! Minimum touch target correctly applied.

The mode selector now uses responsive.minTouchTarget instead of a hard-coded value, properly implementing the iOS 44pt touch target guideline. This resolves the previous hard-coded value concern.


450-456: LGTM! Touch targets properly enforced.

The upload button correctly uses responsive.minTouchTarget for minimum width and height, ensuring iOS guideline compliance (44pt minimum) across all devices.


500-506: LGTM! Touch targets properly enforced.

The flip button correctly uses responsive.minTouchTarget for minimum dimensions, maintaining consistency with other interactive elements and iOS guidelines.

frontend/TABLET_UX_IMPROVEMENTS.md (1)

76-80: No action needed — iPad Mini dimensions are consistent.

The iPad Mini dimensions in use-responsive.ts (744x1133 points, portrait/landscape) already match the values documented here. Both files use the same specifications for consistency.

@fortune710 fortune710 merged commit 5329914 into fortune710:main Jan 6, 2026
1 of 2 checks passed
@coderabbitai coderabbitai bot mentioned this pull request Jan 9, 2026
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