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Found 110 Skills
Local-first architecture decision framework for web applications. Covers when to go local-first vs server-based vs hybrid, sync engine selection (ElectricSQL, Zero, PowerSync, Replicache, LiveStore, Triplit), client-side storage options (IndexedDB, OPFS, SQLite WASM, PGlite), and conflict resolution strategies (LWW, CRDTs, server-wins, field-level merge). Use when deciding whether to adopt local-first architecture, choosing a sync engine, selecting client storage, or designing conflict resolution strategies.
Pull latest origin/main into the current local branch and resolve merge conflicts (aka update-branch). Use when Codex needs to sync a feature branch with origin, perform a merge-based update (not rebase), and guide conflict resolution best practices.
Guide a safe git rebase of the current branch onto a target branch, including conflict triage and resolution steps. Use when asked to rebase, update a branch, or resolve rebase conflicts.
Resolve Git merge conflicts by extracting only unresolved paths, conflict hunks, and compact diffs instead of loading whole files into context. Use when a merge, rebase, cherry-pick, or stash pop stops on conflicts, when `git status` shows unmerged paths, or when files contain conflict markers.
Use when ANY iOS build fails, test crashes, Xcode misbehaves, or environment issue occurs before debugging code. Covers build failures, compilation errors, dependency conflicts, simulator problems, environment-first diagnostics.
Use when choosing between CloudKit vs iCloud Drive, implementing reliable sync, handling offline-first patterns, or designing sync architecture - prevents common sync mistakes that cause data loss
Offline-first mobile apps with local storage, sync queues, conflict resolution. Use for offline functionality, data sync, connectivity handling, or encountering sync conflicts, queue management, storage limits, network transition errors.
Git 버전 관리 모범 관례 및 워크플로우 가이드. 다음 상황에서 사용: (1) Git 커밋 메시지 작성 시 (Conventional Commits 규칙 적용), (2) 브랜치 생성 및 관리 시 (GitHub Flow 기반), (3) PR 생성 및 병합 전략 선택 시, (4) Git 히스토리 정리 작업 시 (rebase, squash, cherry-pick), (5) Merge conflict 해결 시, (6) 'git', '.git', 'commit', 'branch', 'merge', 'rebase' 키워드가 포함된 작업 시
Build real-time collaborative editing with WebSockets, OT/CRDT conflict resolution, and presence awareness. Implements cursor tracking, optimistic updates, and offline sync. Use for collaborative editors, whiteboards, video editing. Activate on "real-time collaboration", "WebSocket sync", "multiplayer editing", "CRDT", "presence awareness". NOT for simple chat, request-response APIs, or single-user apps.
Use when you have 2+ tasks that Codex agents should execute. Runtime-native: Codex sub-agents when available, Codex CLI fallback otherwise. Handles file conflicts via merge/wave strategies. Triggers: "codex team", "spawn codex", "codex agents", "use codex for", "codex fix".
Manages Gradle dependencies using version catalogs, BOMs, and dependency constraints. Use when setting up dependency management, centralizing versions, resolving conflicts, or configuring multi-module dependency sharing. Triggers on "setup version catalog", "centralize dependencies", "resolve version conflict", or "configure Gradle BOM". Works with gradle/libs.versions.toml and includes Bill of Materials, dependency constraints, and Spring Boot/GCP BOM integration.
Git operations expert for branching, rebasing, conflicts, and workflows