Handle Capacitor platform depth beyond UI: plugins, OTA, deep links, push, offline, native CI/CD, App Store / Play Store submission, Apple preflight, security scan, Cordova migration. Use for "add push notifications", "deep linking", "OTA update", "native build CI", "App Store rejection", "migrate to Capacitor".
Installation
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Handle Capacitor platform depth beyond UI: plugins, OTA, deep links, push, offline, native CI/CD, App Store / Play Store submission, Apple preflight, security scan, Cordova migration. Use for "add push notifications", "deep linking", "OTA update", "native build CI", "App Store rejection", "migrate to Capacitor".
Capacitor Platform & Pipeline
The native-runtime and shipping layer for Capacitor apps. enhance-capacitor-ui handles cross-surface layout architecture; this skill handles platform features, native builds, store submission, and migrations.
Distilled from cap-go/capgo-skills (48 skills, MIT). For deep per-task playbooks, install the full pack: npx skills add Cap-go/capgo-skills or claude plugin marketplace add Cap-go/capgo-skills.
Version discipline (do this first)
Read package.json: the Capacitor major (@capacitor/core) drives everything. Match plugin majors to it (Capacitor 8 → plugin v8).
Check capacitor.config.ts for appId, webDir, server.url (live-reload vs bundled), and plugin config.
Confirm the target platforms present (ios/, android/) before suggesting platform-specific steps.
Pick the right area
Task
Approach
Choose a plugin
Prefer official @capacitor/*; for gaps check Capgo's 80+ plugin catalog. Verify the plugin major matches your Capacitor major and has active maintenance.
Deep / universal links
iOS Associated Domains + apple-app-site-association; Android intent filters + assetlinks.json. Handle cold-start vs warm via appUrlOpen listener. Test both install states.
Cache + queue writes; reconcile on reconnect. Use a real DB plugin (SQLite / Fast SQL), not localStorage, for structured data. Define the conflict-resolution rule explicitly.
Keyboard
@capacitor/keyboard — resize mode, scroll-into-view on focus, accessory bar. The #1 source of "input hidden behind keyboard" bugs.
Safe area / notch
Use safe-area insets (env vars / plugin), not hardcoded padding. Account for notch, Dynamic Island, home indicator, Android gesture nav. (Pairs with enhance-capacitor-ui.)
Splash screen
Configure via plugin + native assets; hide programmatically after first paint to avoid white flash.
Shipping pipeline
Live / OTA updates (the Capacitor superpower)
Push JS/HTML/CSS instantly without store review (Capgo or equivalent). Native code changes still require a store build.
Gate updates by channel (production / beta), run compatibility checks, and keep a rollback path. Never OTA a bundle that assumes a newer native plugin than the installed binary.
Native build CI/CD
GitHub Actions / GitLab CI / Fastlane for signed iOS + Android artifacts. iOS signing needs certs + provisioning profiles in CI secrets (never commit *.keystore, *.p12, local.properties).
Standard chain: npm ci → web build → npx cap sync → native build (xcodebuild / Gradle) → sign → upload (TestFlight / Play internal track).
For Linux/Windows devs: iOS builds run on macOS CI runners, not locally — declare "ready for CI", never "iOS verified" locally.
Store submission
Apple preflight before every submit: privacy manifest (PrivacyInfo.xcprivacy), ATT prompt if tracking, permission usage strings, no private APIs, account-deletion path if there are accounts. Most rejections are preflightable.
Play Store: target API level current, data-safety form, 16KB page-size alignment for native libs.
Security
Run a Capacitor security scan (Capsec: npx capsec scan --ci) — catches hardcoded secrets, insecure storage, network security, auth weaknesses. Wire into CI to fail on high/critical.
Migrations
From
To
Notes
Web app / PWA
Capacitor
npx cap init → add platforms → wire plugins for native bits → store-ready.
Cordova / PhoneGap
Capacitor
Map plugins to Capacitor equivalents; many Cordova plugins still work but prefer native Capacitor ones.
CocoaPods
Swift Package Manager
iOS dependency migration; check each plugin supports SPM.
SQLite plugin
Fast SQL
Performance migration for data-heavy apps.
Definition of done (Capacitor)
Plugin majors match the Capacitor major; npx cap sync run after any native dep change.
Feature tested on a real device or emulator for both iOS and Android (or CI for iOS).
Permissions / entitlements / native config present for any native capability used.
Secrets are in CI/Keychain, never in the repo or the JS bundle.
If OTA: the bundle is compatible with the shipped native binary.
