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docs(ARCPK-14): add Monetization/ section and register ARCPurchasing#72

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ARCPK-14-monetization-section
Mar 24, 2026
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docs(ARCPK-14): add Monetization/ section and register ARCPurchasing#72
arclabs-studio merged 2 commits intodevelopfrom
ARCPK-14-monetization-section

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Summary

  • Creates Monetization/ knowledge section with 4 reference documents:
    • paywall-patterns.md — paywall timing, types (full-screen/footer/auto-gate), high-conversion design principles, review checklist
    • pricing-strategy.md — business model decision matrix, subscription structure (annual/monthly), localization, key metrics
    • tools-references.md — RevenueCat dashboard, A/B testing with Experiments, App Store Connect subscription management, PurchaseAnalytics integration, official doc links
    • integration-guide.md — Clean Architecture placement, PurchaseRepository protocol pattern, UseCase examples, analytics wiring, pre-launch checklist
  • Registers ARCPurchasing in the ARC Labs Studio catalog:
    • CLAUDE.md: added to Swift Packages list + Monetization/ to directory tree
    • Projects/packages.md: added ARCPurchasing entry with module descriptions

Test plan

  • All 4 Monetization files present and render correctly
  • CLAUDE.md products list includes ARCPurchasing
  • CLAUDE.md directory tree includes Monetization/
  • packages.md includes ARCPurchasing entry

Closes ARCPK-14

Creates ARCKnowledge/Monetization/ with four reference documents:
- paywall-patterns.md: high-conversion design, timing, paywall types, checklist
- pricing-strategy.md: business model matrix, subscription structure, localization, metrics
- tools-references.md: RevenueCat dashboard, A/B testing, analytics, App Store Connect
- integration-guide.md: Clean Architecture integration, protocol/repository pattern, launch checklist

Closes #ARCPK-14
- CLAUDE.md: adds ARCPurchasing to the Swift Packages product list and
  Monetization/ to the ARCKnowledge directory tree
- Projects/packages.md: adds ARCPurchasing entry with module description

Closes #ARCPK-14
@arclabs-studio arclabs-studio merged commit 13d5575 into develop Mar 24, 2026
1 check failed
@arclabs-studio arclabs-studio deleted the ARCPK-14-monetization-section branch March 24, 2026 14:17
arclabs-studio added a commit that referenced this pull request Mar 24, 2026
* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns (#67) (#69)

* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns

- Add Dependency Injection Strategy section to presentation.md with a
  decision matrix (init injection vs @Environment), @entry macro (iOS 18+),
  type-based @Environment for @observable (iOS 17+), anti-patterns, and
  @EnvironmentObject deprecation note
- Fix @mainactor inconsistency: remove blanket annotation from ViewModel
  class declarations; add it only to methods that await nonisolated code
  and write to @observable state (matches CLAUDE.md rule #14)
- Add @mainactor Placement explanation section backed by SE-0316 and
  SE-0466 (Swift 6.2 DefaultIsolation), clarifying why class-level is
  wrong for packages and when method-level annotation is required
- Remove redundant @mainactor from pure-delegation methods (onAppear,
  onTappedRetry) — the main-actor hop happens inside the callee
- Restore private modifier on loadRestaurants example
- Add Router @Environment rationale callout to mvvm-c.md
- Add cross-reference and DIP row clarification to swift-design-principles.md
- Sync all changes to skill reference copies

* docs(ARCPK-14): add Monetization/ section and register ARCPurchasing (#72)

* docs(monetization): add Monetization/ knowledge section

Creates ARCKnowledge/Monetization/ with four reference documents:
- paywall-patterns.md: high-conversion design, timing, paywall types, checklist
- pricing-strategy.md: business model matrix, subscription structure, localization, metrics
- tools-references.md: RevenueCat dashboard, A/B testing, analytics, App Store Connect
- integration-guide.md: Clean Architecture integration, protocol/repository pattern, launch checklist

Closes #ARCPK-14

* chore(setup): register ARCPurchasing in ARC Labs Studio catalog

- CLAUDE.md: adds ARCPurchasing to the Swift Packages product list and
  Monetization/ to the ARCKnowledge directory tree
- Projects/packages.md: adds ARCPurchasing entry with module description

Closes #ARCPK-14
arclabs-studio added a commit that referenced this pull request Mar 25, 2026
* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns (#67) (#69)

* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns

- Add Dependency Injection Strategy section to presentation.md with a
  decision matrix (init injection vs @Environment), @entry macro (iOS 18+),
  type-based @Environment for @observable (iOS 17+), anti-patterns, and
  @EnvironmentObject deprecation note
- Fix @mainactor inconsistency: remove blanket annotation from ViewModel
  class declarations; add it only to methods that await nonisolated code
  and write to @observable state (matches CLAUDE.md rule #14)
- Add @mainactor Placement explanation section backed by SE-0316 and
  SE-0466 (Swift 6.2 DefaultIsolation), clarifying why class-level is
  wrong for packages and when method-level annotation is required
- Remove redundant @mainactor from pure-delegation methods (onAppear,
  onTappedRetry) — the main-actor hop happens inside the callee
- Restore private modifier on loadRestaurants example
- Add Router @Environment rationale callout to mvvm-c.md
- Add cross-reference and DIP row clarification to swift-design-principles.md
- Sync all changes to skill reference copies

* docs(ARCPK-14): add Monetization/ section and register ARCPurchasing (#72)

* docs(monetization): add Monetization/ knowledge section

Creates ARCKnowledge/Monetization/ with four reference documents:
- paywall-patterns.md: high-conversion design, timing, paywall types, checklist
- pricing-strategy.md: business model matrix, subscription structure, localization, metrics
- tools-references.md: RevenueCat dashboard, A/B testing, analytics, App Store Connect
- integration-guide.md: Clean Architecture integration, protocol/repository pattern, launch checklist

Closes #ARCPK-14

* chore(setup): register ARCPurchasing in ARC Labs Studio catalog

- CLAUDE.md: adds ARCPurchasing to the Swift Packages product list and
  Monetization/ to the ARCKnowledge directory tree
- Projects/packages.md: adds ARCPurchasing entry with module description

Closes #ARCPK-14

* docs(l10n): add localization standard and /arc-localization skill (#75)

Create Quality/localization.md with comprehensive standards:
- Packages text-agnostic, apps own all strings
- String resolution: LocalizedStringKey vs String(localized:) vs String(localized:locale:)
- Navigation title, nameKey, package enum, and LanguageManager patterns

Create /arc-localization skill with quick decision tree.
Update skills-index.md with localization entry.
arclabs-studio added a commit that referenced this pull request Mar 28, 2026
* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns (#67) (#69)

* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns

- Add Dependency Injection Strategy section to presentation.md with a
  decision matrix (init injection vs @Environment), @entry macro (iOS 18+),
  type-based @Environment for @observable (iOS 17+), anti-patterns, and
  @EnvironmentObject deprecation note
- Fix @mainactor inconsistency: remove blanket annotation from ViewModel
  class declarations; add it only to methods that await nonisolated code
  and write to @observable state (matches CLAUDE.md rule #14)
- Add @mainactor Placement explanation section backed by SE-0316 and
  SE-0466 (Swift 6.2 DefaultIsolation), clarifying why class-level is
  wrong for packages and when method-level annotation is required
- Remove redundant @mainactor from pure-delegation methods (onAppear,
  onTappedRetry) — the main-actor hop happens inside the callee
- Restore private modifier on loadRestaurants example
- Add Router @Environment rationale callout to mvvm-c.md
- Add cross-reference and DIP row clarification to swift-design-principles.md
- Sync all changes to skill reference copies

* docs(ARCPK-14): add Monetization/ section and register ARCPurchasing (#72)

* docs(monetization): add Monetization/ knowledge section

Creates ARCKnowledge/Monetization/ with four reference documents:
- paywall-patterns.md: high-conversion design, timing, paywall types, checklist
- pricing-strategy.md: business model matrix, subscription structure, localization, metrics
- tools-references.md: RevenueCat dashboard, A/B testing, analytics, App Store Connect
- integration-guide.md: Clean Architecture integration, protocol/repository pattern, launch checklist

Closes #ARCPK-14

* chore(setup): register ARCPurchasing in ARC Labs Studio catalog

- CLAUDE.md: adds ARCPurchasing to the Swift Packages product list and
  Monetization/ to the ARCKnowledge directory tree
- Projects/packages.md: adds ARCPurchasing entry with module description

Closes #ARCPK-14

* docs(l10n): add localization standard and /arc-localization skill (#75)

Create Quality/localization.md with comprehensive standards:
- Packages text-agnostic, apps own all strings
- String resolution: LocalizedStringKey vs String(localized:) vs String(localized:locale:)
- Navigation title, nameKey, package enum, and LanguageManager patterns

Create /arc-localization skill with quick decision tree.
Update skills-index.md with localization entry.

* docs(tools): add agent tools reference and link from CLAUDE.md (#78)

- Add Tools/agent-tools.md with comprehensive reference for:
  - Community iOS/SwiftUI skills (swiftui-expert, swift-concurrency, etc.)
  - MCPs: XcodeBuildMCP, ARC Linear GitHub, Firebase
  - Claude Code plugins: swift-lsp, axiom, slack
  - Skill load order and how to add new skills
- Add single reference line in CLAUDE.md pointing to the new doc
  (keeps CLAUDE.md clean, detail in dedicated file)
arclabs-studio added a commit that referenced this pull request Mar 30, 2026
* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns (#67) (#69)

* chore(ci): add Claude GitHub Actions workflows (#40)

- Add claude.yml: Respond to @claude mentions in issues/PRs
- Add claude-code-review.yml: Automated PR code reviews
- Follows ARC Labs Swift standards
- Configured with CLAUDE_CODE_OAUTH_TOKEN secret

* Feature/skills review (#44)

* feat(skills): add worktrees workflow skill for parallel development

* feat(skills): add memory and worktrees workflow skills

* docs(skills): add skills index for iOS/Swift development

Create comprehensive skills index document that maps when to use
each skill source (ARC Labs, Van der Lee, Axiom) for iOS/Swift
development tasks. Includes quick decision guide, coverage gaps
matrix, and common scenario recommendations.

* feat(skills): add iOS 26 Liquid Glass and @Previewable patterns

Update arc-presentation-layer skill with:
- iOS 26 Liquid Glass material effects (.glassEffect modifier)
- Backward compatible glass implementations
- Glass effect tinting patterns
- Toolbar Liquid Glass treatment
- @Previewable macro for SwiftUI previews (iOS 18+)
- Preview best practices with multiple states
- Updated related skills table with Axiom iOS 26 references

* feat(skills): add memory and worktrees workflow skills

* feat(skills): add arc-final-review skill for pre-merge quality checks

Add comprehensive final review skill inspired by Staff iOS Engineer
review patterns. The skill:
- Analyzes changes by domain (SwiftUI, Concurrency, Data, Architecture)
- Invokes specialized Axiom skills for each domain
- Generates prioritized finalization plan with verification gates
- Identifies tech debt cleanup items
- Provides merge recommendation

Also updates CLAUDE.md to document the new skill in the workflow.

* docs: add Swift 6 concurrency patterns and Clean Architecture learnings

FVRS-73 Clean Architecture audit documented key patterns:

Testing:
- @mainactor isolation requirements for test structs
- Mock extension isolation for Swift 6 compatibility
- Tag centralization to avoid "ambiguous use" errors
- Mock factory best practices (avoiding false matches)

Presentation:
- @observable + lazy var incompatibility (use IUOs + init)
- Composition Root pattern for AppCoordinator DI

Architecture:
- ISP: Reader/Writer protocol separation for repositories
- Pure Use Cases (stateless, no dependencies)
- Real-world FVRS-73 ISP example with Toggle/Get/Filter use cases

* chore(security): add ARC Labs security patterns to .gitignore

* Feature/audit configuration (#51)

* docs(standards): rewrite CLAUDE.md with comprehensive agent guide

- Add presentation layer rules (no business logic in Views or ViewModels)
- Add UseCase patterns (single-responsibility + grouped with enum actions)
- Add concurrency guidelines (@mainactor per-method only, never blanket)
- Add multiline declaration formatting (after-first style)
- Add private extension pattern for private methods
- Add ARCKnowledge access configuration via submodule chain
- Add complementary skills section (Axiom, Van der Lee, MCP Cupertino)
- Update critical rules from 13 to 15
- Add periodic review section with /arc-audit

* docs(architecture): update ViewModel, UseCase and concurrency patterns

- Remove blanket @mainactor from ViewModel examples
- Add @mainactor per-method on UI-bound state methods only
- Add Sendable conformance to UseCase protocols and implementations
- Add grouped UseCase pattern with enum actions
- Add concurrency guidelines section (WWDC 2025-268)
- Update anti-patterns list

* docs(presentation): apply @mainactor per-method to ViewModel examples

- Remove blanket @mainactor from UserProfileViewModel
- Add @mainactor to onAppear(), onTappedRetry(), loadProfile() methods
- Remove blanket @mainactor from ContentViewModel and HomeViewModel
- Update description to emphasize ViewModels contain NO business logic

* docs(testing): add mandatory UseCase testing and update ViewModel tests

- Add "Testing Use Cases (Mandatory)" section with full example
- Update ViewModel test examples: @mainactor per-method, not on @suite
- Cover business rules, error paths, and validation in UseCase tests

* docs(quality): add multiline formatting and private extension patterns

- Add multiline declarations section (after-first style)
- Add private extension pattern section
- Update SwiftFormat config with --wrapparameters, --wrapcollections,
  --closingparen balanced
- Update MARK section ordering in code-style.md
- Remove redundant private extension for String type

* docs(domain): add grouped UseCase pattern and Sendable conformance

- Add grouped UseCase pattern with enum actions
- Add Sendable conformance to UseCase protocol and implementation
- Move private methods to private extension pattern
- Add testing requirement for all UseCases
- Update Domain Layer checklist with new requirements
- Update MARK sections to new standard

* docs(review): update checklists for @mainactor per-method and Sendable

- Fix Architecture Checklist: no blanket @mainactor on ViewModels
- Fix Concurrency Checklist: @mainactor per-method, Sendable on UseCases
- Add private extension and UseCase testing checks

* feat(skills): create /arc-audit skill for project standards compliance

New comprehensive audit skill with:
- 9 audit domains (Architecture, Presentation, Domain, Data, Testing,
  Code Style, Documentation, Accessibility, Concurrency)
- Compliance grading (A-F) with severity levels
- Scope support (full project, directory, single file)
- Scan commands and patterns for each domain
- Report template with findings and recommendations
- Integration with complementary Axiom and ARC Labs skills

* docs(index): add /arc-audit and /arc-final-review to skills index

- Add /arc-audit and /arc-final-review to ARC Labs skills table
- Add project standards audit to Quick Decision Guide
- Update ARC Labs version info to Feb 2026

* Feature/skills improvement (#54)

* refactor(skills): align arc-final-review with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-audit with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-memory with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-worktrees-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, and add Examples section.

* refactor(skills): align arc-data-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move data.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-tdd-patterns with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move testing.md to
references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-presentation-layer with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move presentation.md
to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-workflow with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move git-branches.md,
git-commits.md, plan-mode.md to references/ subdirectory.

* refactor(skills): align arc-swift-architecture with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-quality-standards with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 6 supplemental
files to references/ subdirectory for progressive disclosure.

* refactor(skills): align arc-project-setup with Anthropic skill guide

Rewrite description field with trigger phrases, add metadata block,
rename section headings, add Examples section, and move 5 supplemental
files to references/ subdirectory for progressive disclosure.

* Feature/arc xcode cloud (#57)

* feat(ci): add arc-xcode-cloud skill and update skills index

- Add .claude/skills/arc-xcode-cloud/SKILL.md with full Xcode Cloud setup guide
- Update Skills/skills-index.md to include arc-xcode-cloud
- Update Tools/xcode.md with Xcode Cloud section
- Update CLAUDE.md skills table to include arc-xcode-cloud

* docs: add arc-xcode-cloud to README skills table and documentation index

* Feature/agents (#60)

* feat(agents): add 6 ARC Labs subagents for autonomous task execution

Introduces the agents system to ARCKnowledge. Each agent invokes
skills dynamically based on the task rather than embedding all knowledge
in the prompt.

- arc-swift-tdd (sonnet): TDD implementation, writes tests before code
- arc-swift-reviewer (sonnet): delegated code review, structured report
- arc-swift-debugger (sonnet): build/test failure diagnosis, env-first
- arc-spm-manager (haiku): Package.swift management and verification
- arc-xcode-explorer (haiku): read-only codebase navigation and mapping
- arc-linear-bridge (haiku): Linear ticket to Swift test scaffolding

* docs(agents): add AGENTS.md index with trigger phrases and design principles

* docs(skills): add Agents section to skills-index with routing table

* docs(arc-final-review): clarify guided vs delegated review distinction

* feat(arc-linear-bridge): create branch automatically after scaffolding

Add mcp__ARC_Linear_GitHub__github_create_branch to tools.
Execute git checkout -b locally as primary path; fall back to
GitHub MCP if not in a git repo or branch already exists.

* fix(arc-spm-manager): correct org URL and add ARCPurchasing, ARCAuthentication

Fix GitHub org from arcdevtools → arclabs-studio.
Add ARCPurchasing (RevenueCat IAP) and ARCAuthentication (SIWA + Vapor)
to the known packages table with product names and domains.

* feat(agents): add arc-pr-publisher and arc-release-orchestrator

arc-pr-publisher: validates pre-PR checklist, creates GitHub PR,
links Linear ticket, updates issue to "In Review". Closes the
workflow gap between code review and merge.

arc-release-orchestrator: bumps version, updates CHANGELOG, creates
release branch and PR. Confirms version with user before edits.
Reports manual steps (tag + App Store) after PR merge.

* docs(agents): update index for 8-agent system and package table

* feat(agents): add arc-testflight distribution agent

Orchestrates archive → upload → TestFlight configuration.
Distinct from arc-release-orchestrator (code/PR) — handles
beta distribution only: tester groups, release notes, ExportOptions.

* feat(agents): add arc-aso App Store Optimization agent

Orchestrates 8 ASO skills (app-marketing-context, aso-audit,
keyword-research, metadata-optimization, screenshot-optimization,
app-store-featured, ab-test-store-listing, app-launch).
Produces ready-to-upload metadata files in aso/[bundle-id]/.

* feat(agents): add arc-swiftdata-migration high-risk schema agent

Most conservative agent in the system. Classifies changes as
lightweight vs custom, confirms before any breaking change, and
enforces test-before-code for all migration plans. Invokes
swiftdata-pro, axiom migration skills, arc-data-layer, arc-tdd-patterns.

* feat(agents): add arc-dependency-auditor read-only audit agent

Audits SPM dependencies across the project ecosystem. Detects
outdated packages, version inconsistencies, and branch/revision pins.
Produces a prioritized report; delegates updates to arc-spm-manager.

* docs(agents): update AGENTS.md from 8 to 12 agents

Add entries for arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor. Update master skills/MCPs table with
all 4 new agents and their skill/MCP dependencies.

* docs(skills): add 4 new agents to skills-index agents section

Add arc-testflight, arc-aso, arc-swiftdata-migration,
arc-dependency-auditor to the ARC Labs Agents table with
model selection and trigger phrases.

* Feature/swift solid pattern (#65)

* docs(architecture): add swift-design-principles foundational document

Six Swift-native design principles for ARC Labs Studio:
Value Semantics by Default, Protocol-Driven Abstraction, Composition
Over Inheritance, Well-Defined Ownership, Structured Concurrency, and
Compile-Time Correctness. Includes SOLID mapping table, anti-patterns
section, and full references (WWDC, Swift Evolution, Apple docs).

Motivated by Fernández Muñoz's critique of SOLID in Swift and two prior
sessions that refined the position: SOLID is not dead but its intent is
expressed through Swift-native vocabulary and mechanisms.

Co-located reference copy added to arc-swift-architecture skill references.

* docs(architecture): add cross-references to swift-design-principles

- solid-principles.md: add ARC Labs context note positioning SOLID as
  a reference framework interpreted through the Swift design principles lens
- protocol-oriented.md: add cross-reference to swift-design-principles
  as the broader philosophical framework

* docs(skills): update arc-swift-architecture with swift design principles

Replace the SOLID Quick Guide section with the six Swift design
principles summary. Add swift-design-principles.md as the primary
architecture reference, positioned before clean-architecture.md.

* docs(claude): surface swift design principles in agent guide and index

- CLAUDE.md: replace bare "SOLID Principles" technical principle with
  the six Swift design principles and a link to swift-design-principles.md;
  SOLID remains referenced as a useful historical framework
- Skills/skills-index.md: update arc-swift-architecture entry to mention
  Swift design principles alongside MVVM+C

* chore(release): prepare v2.10.0

- README.md: add swift-design-principles.md to Architecture directory
  listing and arc-swift-architecture skill files table
- CHANGELOG.md: document v2.10.0 with all added and changed files

* docs(standards): add @Environment DI guidance and fix @mainactor patterns

- Add Dependency Injection Strategy section to presentation.md with a
  decision matrix (init injection vs @Environment), @entry macro (iOS 18+),
  type-based @Environment for @observable (iOS 17+), anti-patterns, and
  @EnvironmentObject deprecation note
- Fix @mainactor inconsistency: remove blanket annotation from ViewModel
  class declarations; add it only to methods that await nonisolated code
  and write to @observable state (matches CLAUDE.md rule #14)
- Add @mainactor Placement explanation section backed by SE-0316 and
  SE-0466 (Swift 6.2 DefaultIsolation), clarifying why class-level is
  wrong for packages and when method-level annotation is required
- Remove redundant @mainactor from pure-delegation methods (onAppear,
  onTappedRetry) — the main-actor hop happens inside the callee
- Restore private modifier on loadRestaurants example
- Add Router @Environment rationale callout to mvvm-c.md
- Add cross-reference and DIP row clarification to swift-design-principles.md
- Sync all changes to skill reference copies

* docs(ARCPK-14): add Monetization/ section and register ARCPurchasing (#72)

* docs(monetization): add Monetization/ knowledge section

Creates ARCKnowledge/Monetization/ with four reference documents:
- paywall-patterns.md: high-conversion design, timing, paywall types, checklist
- pricing-strategy.md: business model matrix, subscription structure, localization, metrics
- tools-references.md: RevenueCat dashboard, A/B testing, analytics, App Store Connect
- integration-guide.md: Clean Architecture integration, protocol/repository pattern, launch checklist

Closes #ARCPK-14

* chore(setup): register ARCPurchasing in ARC Labs Studio catalog

- CLAUDE.md: adds ARCPurchasing to the Swift Packages product list and
  Monetization/ to the ARCKnowledge directory tree
- Projects/packages.md: adds ARCPurchasing entry with module description

Closes #ARCPK-14

* docs(l10n): add localization standard and /arc-localization skill (#75)

Create Quality/localization.md with comprehensive standards:
- Packages text-agnostic, apps own all strings
- String resolution: LocalizedStringKey vs String(localized:) vs String(localized:locale:)
- Navigation title, nameKey, package enum, and LanguageManager patterns

Create /arc-localization skill with quick decision tree.
Update skills-index.md with localization entry.

* docs(tools): add agent tools reference and link from CLAUDE.md (#78)

- Add Tools/agent-tools.md with comprehensive reference for:
  - Community iOS/SwiftUI skills (swiftui-expert, swift-concurrency, etc.)
  - MCPs: XcodeBuildMCP, ARC Linear GitHub, Firebase
  - Claude Code plugins: swift-lsp, axiom, slack
  - Skill load order and how to add new skills
- Add single reference line in CLAUDE.md pointing to the new doc
  (keeps CLAUDE.md clean, detail in dedicated file)

* docs(tools): add Xcode Build Optimization skill suite reference (#81)

Documents the 6-skill suite by AvdLee for benchmarking and optimizing
Xcode build times:
- xcode-build-orchestrator (entry point)
- xcode-build-benchmark
- xcode-compilation-analyzer
- xcode-project-analyzer
- spm-build-analysis
- xcode-build-fixer

Includes usage instructions and workflow (analyze → approve → apply → verify).
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