Skill

iOS Build Expert

iOS/Xcode build issues - compilation errors, simulator problems, build analysis, diagnostics, quick fixes

Install

npx claudepluginhub willsigmon/sigstack --plugin ios-dev

Tool Access

This skill is limited to using the following tools:

BashReadEditGrep

Preview

Complete iOS build system expertise for Leavn app.

SKILL.md

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Stats

Parent Repo Stars9

Parent Repo Forks1

Last CommitJan 31, 2026

Actions

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iOS Build Expert

Complete iOS build system expertise for Leavn app.

Quick Commands

make clean # Clean build make sim-build # Build for simulator make test # Run tests xcrun simctl list # List simulators

Build Error Workflow

Run build, capture output: make sim-build 2>&1 | tee /tmp/build.log

Categorize errors: type errors, missing imports, actor isolation, etc.

Fix in dependency order (imports → types → logic)

Rebuild and verify

Simulator Issues

Reset: xcrun simctl erase all

Boot specific: xcrun simctl boot "iPhone 15 Pro"

Install app: xcrun simctl install booted path/to/app

Launch: xcrun simctl launch booted bundle.id

Common Fixes

Missing module: Check Package.swift dependencies

Actor isolation: Add @MainActor or nonisolated

Type mismatch: Check @Observable vs @Published patterns

Build settings: Verify project.yml / xcodegen

Visual Debugging

Screenshot: xcrun simctl io booted screenshot /tmp/screen.png

Record: xcrun simctl io booted recordVideo /tmp/video.mov

Use when: Build failures, simulator issues, Xcode errors, diagnostics

iOS Build Expert

Complete iOS build system expertise for Leavn app.

Quick Commands

make clean          # Clean build
make sim-build      # Build for simulator
make test           # Run tests
xcrun simctl list   # List simulators

Build Error Workflow

Run build, capture output: make sim-build 2>&1 | tee /tmp/build.log
Categorize errors: type errors, missing imports, actor isolation, etc.
Fix in dependency order (imports → types → logic)
Rebuild and verify

Simulator Issues

Reset: xcrun simctl erase all
Boot specific: xcrun simctl boot "iPhone 15 Pro"
Install app: xcrun simctl install booted path/to/app
Launch: xcrun simctl launch booted bundle.id

Common Fixes

Missing module: Check Package.swift dependencies
Actor isolation: Add @MainActor or nonisolated
Type mismatch: Check @Observable vs @Published patterns
Build settings: Verify project.yml / xcodegen

Visual Debugging

Screenshot: xcrun simctl io booted screenshot /tmp/screen.png
Record: xcrun simctl io booted recordVideo /tmp/video.mov

Use when: Build failures, simulator issues, Xcode errors, diagnostics