Jamal Ibrahim Umar
Community@captjay98 · Kaduna, Nigeria
Mobile Developer at SchoolTry. Astrophile, Tech enthusiast, Avid fan of F1, Tennis, Football, Cars, Tanks, Planes.......
Agent Skills by Jamal Ibrahim Umar
Showing 29 vetted skills indexed across 1 GitHub repositories.
Property Testing
Validate business logic invariants with fast-check property-based tests.
Kysely ORM
Build type-safe SQL queries for the LivestockAI backend with Kysely.
Error Handling
Standardize server-side error handling with AppError codes and JSON serialization.
Livestock - Aquaculture
Provide catfish and tilapia farming guidance for stocking, growth, harvest, and water quality monitoring.
Zod Validation
Validate runtime inputs with Zod schemas across LivestockAI server functions.
Offline Sync Strategies
Resolve offline data conflicts in distributed apps with deterministic sync strategies.
Livestock - Ruminants
Organize ruminant farming operations with lifecycle tracking and production planning.
TanStack Query
Manage React mutations and cache invalidation with TanStack Query.
Financial Integrity
Enforce decimal arithmetic and append-only records for provable financial accuracy.
Livestock - Apiculture
Organize beekeeping domain knowledge for honey production and apiary management.
Integration Testing
Automates database integration testing to verify data integrity and constraints.
Neon Database
Implement serverless PostgreSQL with Neon and Kysely for Cloudflare Workers.
Rugged Utility
Provides design guidelines and actionable examples for building accessible, high-performance web interfaces.
Feature Structure
Organize LivestockAI features into a standardized six-file directory layout.
Multi-Currency
Configure per-user currency settings and formatting rules for LivestockAI users.
Financial Calculations
Implement DECIMAL(19,2) financial calculations with conversion helpers in TypeScript.
Offline-First
Persist data locally with IndexedDB and sync via a service worker queue.
Livestock - Poultry
Provide poultry domain knowledge for broiler and layer management workflows.
Agentic Feature Design
Design agent-ready features with server functions, semantic actions, and approval loops.
TanStack Router
Configure TanStack Router file-based routes with loaders and dynamic segments.
Three-Layer Architecture
Organize codebases into server, service, and repository layers.
Cloudflare Workers
Deploy Cloudflare Workers with Wrangler, dynamic imports, and 128MB memory limits.
Better Auth
Authenticate users and manage sessions with Better Auth in LivestockAI.
Observability Patterns
Enforces traceable IDs and structured logging for end-to-end observability across distributed clients, edge workers, and data stores.