Helps choose a reusable application foundation by comparing actual workflow fit, ownership effort and alternatives to building from scratch.
business-project-foundations
Included files 4
SKILL.mdreferences/README.mdreferences/adoption-checklist.mdreferences/repositories.json
Maps the actual mobile stack, deployment targets and state ownership before changing implementation.
mobile-project-discovery
Included files 2
Builds mobile navigation and data screens with predictable back behavior, keyboard handling and complete content states.
mobile-navigation
Included files 2
Separates mobile interface, server and persistent state while making requests resilient to races and authentication changes.
mobile-state-api
Included files 2
Preserves meaningful mobile state through backgrounding, process death, network changes and renewed authentication.
mobile-lifecycle-resilience
Included files 2
Combines relevant static checks, behavior tests and honest device evidence without equating a bundle build with a working app.
mobile-verification
Included files 2
Builds mobile features within the project's native generation, navigation and platform delivery workflow.
react-native-expo
Included files 2
Applies Flutter’s asynchronous, navigation and widget-lifecycle rules within the state-management patterns the project already uses.
flutter-conventions
Included files 2
Defines reliable boundaries between cross-platform application code and platform-specific native capabilities.
mobile-native-integration
Included files 2
Synchronizes local edits through durable queues with explicit conflict handling and account isolation.
mobile-offline-sync
Included files 2
Routes notification and link entry safely across app startup, authentication and unavailable resources.
mobile-notifications-deeplinks
Included files 2
Implements contextual access to device features with minimal permissions and explicit denied or revoked states.
mobile-device-permissions
Included files 2
Improves responsiveness and assistive access together using measured startup, list, image and interaction behavior.
mobile-performance-accessibility
Included files 2
Plans end-to-end mobile tasks around real context, one-handed ergonomics and recovery from incomplete steps.
mobile-ux-flows
Included files 1
Makes mobile journeys understandable through clear hierarchy, native back behavior and discoverable alternatives to gestures.
mobile-navigation-interaction
Included files 1
Designs reusable mobile components with clear hierarchy, real content and complete states across sizes and themes.
mobile-ui-components
Included files 1
Designs mobile layouts and interactions for larger text, assistive technology and differing motor or visual needs.
mobile-accessibility-design
Included files 1
Turns mobile design decisions into implementable screen flows, state rules and observable acceptance criteria.
mobile-design-handoff
Included files 1
Adapts shared mobile product flows to familiar iOS and Android interaction conventions without changing their business meaning.
ios-android-design-guidelines
Included files 1
Guides new users toward their first useful result with progressive information requests and actionable empty states.
mobile-onboarding-activation
Included files 1
Makes phone forms easier to complete and permission requests understandable at the moment they are needed.
mobile-forms-permissions
Included files 1
Explains what remains available offline and preserves user intent through interruptions without implying unsaved work succeeded.
mobile-offline-interrupted-ux
Included files 1
Tests whether a proposed mobile journey supports realistic tasks while distinguishing observations from prototype assumptions.
mobile-prototyping-usability
Included files 1
Uses movement and tactile feedback to explain interaction outcomes while respecting accessibility and device capability.
mobile-motion-haptics
Included files 1
Helps you navigate an existing project by locating important files, system connections and the right place for a scoped change.
codebase-discovery
Included files 2
Shapes the smallest viable architecture around measurable requirements, explicit data ownership and the operational trade-offs your team faces.
architecture-planning
Included files 2
Converts a specification into ordered, reviewable delivery tasks with working user outcomes and explicit acceptance evidence.
task-breakdown
Included files 2
Implements server behavior in tested, coherent increments that preserve business rules, transaction integrity and visible failure states.
backend-implementation
Included files 2
Plans schema changes that preserve data and allow old and new application versions to coexist during transition.
database-migrations
Included files 2
Connects your application to other systems. Defines how they exchange data, handle errors and recover when a service is temporarily unavailable.
api-integration
Included files 2
Makes queued work safe to repeat and recover by treating duplicate delivery and partial completion as normal operational cases.
background-jobs
Included files 2
Connects logs, metrics and traces to concrete questions about failures, performance and user impact.
observability
Included files 2
Restructures legacy code in focused steps while recording current behavior and keeping intentional changes distinct from accidental regressions.
legacy-refactoring
Included files 2
Checks how your application handles sign-ins, forms, uploads and sensitive data. Helps prevent malicious input and unintended data exposure.
secure-coding
Included files 2
Builds tests for individual functions and complete workflows, helping catch errors and prevent previously fixed problems from returning.
testing-discipline
Included files 1
Keeps a code change complete but reviewable by following local conventions and limiting edits and dependencies to the requested outcome.
clean-changes
Included files 1
Allocates test effort according to the impact and likelihood of what a change could break.
risk-based-testing
Included files 2
Creates a visual direction rooted in the product’s subject, real content and audience while respecting an existing brand.
frontend-design
Included files 2
Turns designs into usable interfaces with clear loading and error states, reliable interactions and layouts that work on different screens.
frontend-ui-engineering
Included files 2
Helps people use your interface with a keyboard or screen reader, with readable contrast, clear labels and understandable error messages.
web-accessibility
Included files 1
Finds visible interface defects in real browser states, screen sizes and content extremes before a change is declared finished.
visual-qa
Included files 2
Builds consistent reusable interface foundations from the project's actual components, tokens and recurring needs.
design-system
Included files 2
Uses restrained animation to explain state changes and provide feedback while keeping frequent actions quick and accessible.
ui-motion
Included files 2
Turns a page’s communication need into an actionable image brief with composition, delivery formats and brand-specific constraints.
visual-asset-brief
Included files 1
Finds the real causes of slow page loading and delayed interactions, then checks improvements using comparable before-and-after measurements.
web-performance
Included files 1
Shapes a landing page around one clear visitor outcome, truthful evidence and a focused next action.
landing-page-conversion
Included files 1
Shapes complete mobile journeys around platform conventions, touch use, network conditions and clear feedback.
mobile-app-ux
Included files 1
Models uploaded files as a lifecycle involving bytes, metadata, derived outputs, quotas and access rather than a single storage path.
file-lifecycle-storage-architecture
Included files 1
Protects file entry and delivery using content inspection, resource authorization and browser isolation rather than trusting filenames or links.
secure-upload-download
Included files 1
Keeps file processing within explicit memory, disk, time and concurrency limits while allowing cancellation and safe cleanup.
streaming-resource-limits
Included files 1
Verifies that file storage, database records, derivatives and quotas agree through upload, processing and failure.
storage-consistency-verification
Included files 1
Enables large uploads to resume from verified server progress while protecting session ownership, part integrity and cleanup boundaries.
multipart-resumable-uploads
Included files 1
Encapsulates storage-provider differences behind a practical adapter while preserving streaming, signing and browser-upload requirements.
object-storage-integration
Included files 1
Creates repeatable image derivatives while protecting decoding resources, orientation, visual fidelity and private metadata.
image-preview-processing
Included files 1
Builds media processing flows that validate uploads, produce playback-ready formats and keep expensive work out of web requests.
video-audio-processing
Included files 1
Keeps potentially harmful uploads unavailable until isolated inspection completes, with additional defenses beyond a clean antivirus result.
file-quarantine-malware-scanning
Included files 1
Delivers private media efficiently without letting shared caches or reusable links bypass the application’s access decisions.
cdn-private-media-delivery
Included files 1
Plans complete storage cleanup without confusing logical deletion with physical removal, retained versions or protected records.
retention-storage-cleanup
Included files 1
Moves file storage through verified copies and controlled routing changes while retaining a usable recovery source.
file-storage-migration
Included files 1
Defines access decisions from actor, organizational scope, action, resource state, relationships and approval requirements.
authorization-modeling
Included files 1
Applies the same authorization rules to direct actions, queries, exports and background work, with denied access when context is missing.
server-side-policy-enforcement
Included files 1
Checks that people can only view and change what they are allowed to, including bulk actions and data exports.
authorization-verification
Included files 1
Provides temporary authority transfer without granting more power than the original holder currently possesses.
delegation-temporary-access
Included files 1
Models commercial approvals around the document actually reviewed, with thresholds and responsibilities that remain valid at execution.
approval-workflows
Included files 1
Enforces access based on ownership and team relationships, including different visible or editable fields on one record.
field-relationship-permissions
Included files 1
Restricts agent actions to both the delegating person’s authority and the agent’s assigned purpose, including paused and resumed work.
agent-authorization
Included files 1
Keeps authorization decisions current after role changes and records policy or approval history without leaking denied data.
policy-audit-cache-invalidation
Included files 1
Gives billing concepts separate, explicit lifecycles so payment success, access rights, subscription status and invoice issuance cannot be confused.
billing-domain-state-machines
Included files 1
Protects payment operations with server-owned amounts, verified events and deduplication across uncertain retries.
payment-security-idempotency
Included files 1
Maps commercial subscription states to explicit product access and clearly timed plan changes.
subscriptions-entitlements
Included files 1
Finds and explains mismatches between provider records, subscriptions, access and invoices without blindly repeating uncertain financial operations.
billing-verification-reconciliation
Included files 1
Connects Stripe checkout and subscription events to verified local payment, invoice and entitlement states.
stripe-integration
Included files 1
Connects server-controlled orders, captures and subscription events to a coherent payment and dispute lifecycle.
paypal-braintree-integration
Included files 1
Integrates Hungarian payment gateways with server-verified outcomes, callback protection and accurate handling of transaction amounts and recurring tokens.
barion-simplepay-integration
Included files 1
Connects European payment methods to reliable application states while preserving provider-specific verification and delayed-settlement behavior.
adyen-mollie-gocardless
Included files 1
Connects Merchant of Record billing events to local customers and access without confusing provider and seller responsibilities.
paddle-lemonsqueezy-mor
Included files 1
Models invoicing separately from payment with traceable document creation, correction and uncertain-outcome recovery.
billingo-szamlazzhu-invoicing
Included files 1
Designs credit consumption and usage limits so simultaneous jobs and repeated requests do not silently distort a customer balance.
usage-metering-credits-quotas
Included files 1
Models payment failures and reversals as explicit lifecycle states with policy-based access and reconciliation.
failed-payments-refunds-disputes
Included files 1
Connects store transactions and RevenueCat events to verified account entitlements and recoverable purchase states.
mobile-purchases-revenuecat
Included files 1
Turns expected traffic and user journeys into a meaningful load test with clear acceptance criteria and interpretable results.
workload-modeling-test-design
Included files 1
Builds controlled load scenarios that measure application outcomes without confusing generator exhaustion with service capacity.
load-test-implementation
Included files 1
Interprets latency, achieved workload and server telemetry to explain bottlenecks and useful successful throughput.
performance-measurement-analysis
Included files 1
Bounds authorized load tests by environment, resource budgets and stop conditions with verifiable cleanup afterward.
safe-execution-test-cleanup
Included files 1
Derives usable service capacity from throughput, latency and recovery evidence with reserve for bursts and unavailable instances.
capacity-planning-headroom
Included files 1
Separates sudden bursts, capacity breakpoints and time-dependent degradation into distinct measurable load experiments.
spike-stress-soak-testing
Included files 1
Measures whether asynchronous work can absorb bursts and recover from downstream failure without runaway retries or duplicated effects.
queue-worker-load-testing
Included files 1
Measures responsiveness, cancellation, rate limits and cost across streamed model responses and multi-step agent runs.
ai-streaming-performance
Included files 1
Connects application slowdown to database pool waits, locking and query amplification under realistic data volumes.
database-load-analysis
Included files 1
Tests whether a service sheds excess work and returns to normal after load drops instead of remaining saturated.
overload-recovery-testing
Included files 1
Compares changes under equivalent workloads and uses focused counters or benchmarks to detect meaningful regressions.
performance-regression-checks
Included files 1
Finds the earliest demonstrated cause of a reproducible failure through explicit hypotheses and focused verification.
systematic-debugging
Included files 2
Writes precise defect reports that help another person reproduce the problem, understand its impact and verify the eventual repair.
bug-reporting
Included files 2
Finds actionable defects in a change by comparing requirements, surrounding code and concrete user consequences.
code-review
Included files 2
Verifies critical journeys in a real browser against a controlled test system with observable outcomes.
e2e-testing
Included files 2
Verifies the request, response and side-effect contracts that API callers rely on, including authorization and webhook replay behavior.
api-testing
Included files 2
Proves forbidden operations fail through direct requests, indirect data paths and realistic multi-user permission scenarios.
authorization-testing
Included files 2
Finds why concurrent requests lose updates, create duplicates or violate business invariants.
data-concurrency-debugging
Included files 2
Checks whether a complete user journey has clear, consistent and testable expected behavior.
requirements-acceptance-review
Included files 1
Explores high-impact workflows with targeted questions and adapts testing when unexpected behavior appears.
risk-based-exploratory-testing
Included files 1
Finds behavior gaps at input boundaries, interruptions and interactions between otherwise working features.
edge-cases-state-transitions
Included files 1
Produces release-relevant QA findings that separate verified defects, uncertain requirements and coverage limitations with evidence and appropriate severity.
bug-evidence-qa-reporting
Included files 1
Replays the original failure and checks directly related cases to confirm a fix addresses its cause.
fix-verification-targeted-regression
Included files 1
Verifies responsive layouts and real interactions across specified browser sizes, input methods and navigation states.
browser-cross-device-qa
Included files 1
Tests service boundaries with invalid input, overlapping requests and partial outages to reveal inconsistent or duplicated outcomes.
api-integration-qa
Included files 1
Tests permissions across personas, record ownership and membership changes, including indirect data surfaces.
roles-permission-scenarios
Included files 1
Checks that lifecycle changes agree across lists, details, events and persistent state, including partial failures.
data-workflow-consistency
Included files 1
Checks version-matched primary sources so tests distinguish application defects from documented platform behavior.
technical-research-for-qa
Included files 1
Turns product briefs into consistent, bounded and falsifiable behavior before implementation choices obscure missing decisions.
specification-acceptance-review
Included files 1
Links accepted requirements, implementation paths and verification evidence so missing rules and unrequested changes become visible.
requirement-to-code-traceability
Included files 1
Traces a change through callers, guards and data transformations to distinguish real regressions from unrelated existing issues.
contextual-code-review
Included files 1
Turns review suspicions into precise findings with a trigger, violated contract and concrete consequence.
evidence-based-findings
Included files 1
Reviews changed interfaces for effects on existing clients, queued work and the error behavior integrations already depend on.
api-compatibility-review
Included files 1
Reviews state-changing code for invalid transitions, incomplete local writes and external effects that may happen more than once.
business-state-data-integrity-review
Included files 1
Checks changed entry points for authenticated identity, matching workspace scope and permissions on records and fields.
authorization-tenant-boundary-review
Included files 1
Assesses tests by the behavior they genuinely demonstrate, including whether they can detect realistic regressions in changed code.
test-adequacy-review
Included files 1
Checks a proposed migration against existing data, coexisting versions, locking and real rollback feasibility.
migration-rollout-review
Included files 1
Aligns documentation claims with current repository behavior while separating plans and historical decisions.
doc-fact-checking
Included files 2
Explains software in the document form readers need, connecting accurate technical facts to executable tasks and verification.
developer-documentation
Included files 2
Updates canonical project documents alongside code changes and resolves contradictions using the actual implementation.
documentation-maintenance
Included files 2
Checks that documented commands and examples are consistent, safe to share and accurately labeled as tested or untested.
doc-verification
Included files 2
Explains how to call real endpoints and handle their permissions, responses, side effects and integration failures correctly.
api-documentation
Included files 2
Explains real system boundaries and the reasons behind consequential technical choices in maintainable documentation.
documentation-and-adrs
Included files 2
Creates a repository-grounded path from a fresh development machine to the first successful application run and test.
developer-onboarding
Included files 2
Writes symptom-led operational guidance with safe diagnosis, explicit recovery scope and observable verification.
runbooks-troubleshooting
Included files 2
Explains user-visible changes and exact upgrade steps with examples, compatibility limits and recovery consequences.
migration-release-notes
Included files 2
Assigns verified project knowledge a clear home while preserving an existing documentation structure.
documentation-blueprint
Included files 1