Use this skill when you need to:

Use this skill when you need to:

name: Epic Expert Learning

Guide on forms with Conform and validation with Zod for Epic Stack

Use for LARGE work requiring feature-level grouping. Creates epic tracking issues, manages related issues under a common label, tracks epic progress, and coordinates with milestones.

Use this skill when you need to:

Use this skill when you need to:

Guide on testing with Vitest and Playwright for Epic Stack

Use this skill when you need to:

Validate epics_backlog.md for an idea against concept_summary.md (writes report to ideas/<IDEA_ID>/runs and updates ideas/<IDEA_ID>/latest; optional patch if allowed)

Generate comprehensive walkthrough documentation and trigger self-improvement for epic workflows.

Log execution steps during episode execution for detailed tracking and learning. Use when recording tool usage, decision points, errors, or milestones during task execution.

Start a new learning episode in the self-learning memory system with proper context. Use this skill when beginning a new task that should be tracked for learning from execution patterns.

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Epson timing devices MPN encoding patterns, suffix decoding, and handler guidance. Use when working with Epson crystals, oscillators, RTCs, or EpsonHandler.

Query Turkish electricity generation data including real-time generation by resource type, plant-level production, UEVM (settlement generation/Uzlaştırmaya Esas Veriş Miktarı), and generation forecasts. Use when asking about power generation, renewable energy output, plant production, solar/wind generation, or UEVM data in Turkey. Triggers on: elektrik üretimi, santral üretimi, rüzgar üretimi, güneş üretimi, UEVM, generation by fuel type.

Query and analyze Turkish electricity market prices including MCP (PTF/Piyasa Takas Fiyatı), SMP (SMF/Sistem Marjinal Fiyatı), WAP (Ağırlıklı Ortalama Fiyat), and imbalance prices. Use when asking about electricity prices, market clearing prices, day-ahead prices, system marginal prices, weighted average prices, or price comparisons in Turkey's energy market. Triggers on: PTF, SMF, GÖP fiyat, GİP fiyat, elektrik fiyatı.

Create production-quality EPUB 3 ebooks from markdown and images with automated QA, formatting fixes, and validation. Use when creating ebooks, converting markdown to EPUB, or compiling chapters into a publishable book. Handles markdown quirks, generates TOC, adds covers, and validates output automatically.

Run EPUBCheck and Ace accessibility validation. Use before final EPUB packaging or distribution to ensure publication readiness.

Run and interpret visual QA pipeline for EPUB XHTML files. Use when user asks about layout, screenshots, visual issues, or rendering problems in REBRANDED_OUTPUT.

Expert in EqualizerAPO configuration file format, parsing, and generation. Use when implementing EAPO config import/export, adding support for new filter types, or debugging config file issues.

A production-grade algebraic equation solver with comprehensive security hardening to prevent template injection, command injection, and other code execution vulnerabilities.

22 production-ready AI agents with database-driven orchestration for security reviews, code quality analysis, deployment validation, infrastructure checks, and compliance. Auto-activates for security concerns, deployment tasks, code reviews, quality checks, and compliance questions. Includes upgrade paths to enterprise features (GDPR, HIPAA, multi-account AWS, ML-based optimization).

Fixed points where vector field vanishes

Use when erlang's concurrency model including lightweight processes, message passing, process links and monitors, error handling patterns, selective receive, and building massively concurrent systems on the BEAM VM.

Complete guide for ERPNext/Frappe API integrations (v14/v15/v16) including REST API, RPC API, authentication, webhooks, and rate limiting. Use when code is needed for external API calls to ERPNext, designing API endpoints, configuring webhooks, implementing authentication (token/OAuth2/session). Triggers: API integration, REST endpoint, webhook, token authentication, OAuth, frappe.call, external connection, API response, rate limiting.

Intelligent agent for validating ERPNext/Frappe code against best practices and common pitfalls. Use when reviewing generated code, checking for errors before deployment, or validating code quality. Triggers: review this code, check my script, validate before deployment, is this correct, find bugs, check for errors, will this work.

Error handling patterns for ERPNext Document Controllers. Use when implementing try/except, validation errors, permission errors, and transaction management. Covers rollback patterns, error logging, and user feedback. V14/V15/V16 compatible. Triggers: controller error, try except catch, ValidationError, PermissionError, rollback, error handling.

Implementation workflows and decision trees for Frappe Document Controllers. Use when determining HOW to implement server-side DocType logic: lifecycle hooks, validation patterns, autoname, submittable workflows, controller override. Triggers: how do I implement controller, which hook to use, validate vs on_update, override controller, submittable document, autoname pattern, flags system.

Implementation workflows for building Frappe/ERPNext custom apps. Covers app structure, module creation, doctype design, fixtures, patches, and deployment. V14/V15/V16 compatible. Triggers: create custom app, new frappe app, bench new-app, app structure, module creation, doctype creation, fixtures, patches.

Implementation workflows and decision trees for Frappe hooks.py configuration. Use when determining HOW to implement doc_events, scheduler_events, override hooks, permission hooks, extend_bootinfo, fixtures, and asset includes. Covers V16 extend_doctype_class. Triggers: how do I hook, which hook to use, doc_events vs controller, override doctype, extend doctype class, permission hook, scheduler job, cron task, fixtures export.

Implementation workflows and decision trees for Jinja templates in ERPNext/Frappe. Use when determining HOW to implement Print Formats, Email Templates, Portal Pages, or custom Jinja methods. Covers template type selection, context variables, styling, and V16 Chrome PDF rendering. Triggers: create print format, email template, portal page, custom jinja filter, print format styling, pdf template, invoice template, report template.

Implementation workflows for Frappe scheduled tasks and background jobs (v14/v15/v16). Covers hooks.py scheduler_events, frappe.enqueue, queue selection, job deduplication, and error handling. Triggers: how to schedule task, background job, cron job, async processing, queue selection, job deduplication, scheduler implementation.

Complete guide for Frappe/ERPNext permission system - roles, user permissions, perm levels, data masking, and permission hooks

Deterministic syntax for Frappe Document Controllers (Python server-side). Use when Claude needs to generate code for DocType controllers, lifecycle hooks (validate, on_update, on_submit, etc.), document methods, controller override, submittable documents, or when questions concern controller structure, naming conventions, autoname patterns, UUID naming (v16), or the flags system. Triggers: document controller, controller hook, validate, on_update, on_submit, autoname, naming series, UUID naming, flags system.

Deterministic syntax for building Frappe custom apps including app structure, pyproject.toml, modules, patches and fixtures

Deterministic syntax for Frappe hooks.py configuration. Use when Claude needs to configure app events, scheduler tasks, document events, fixtures, boot session, jenv customization, or website routing. Covers v14/v15/v16 including extend_doctype_class. Triggers: hooks.py, doc_events, scheduler_events, fixtures, app_include_js, override_whitelisted_methods.

name: error-analytics

**The ultimate error-crushing, bug-demolishing, problem-solving machine for developers.**

Error Boundaries เป็นคุณลักษณะที่สำคัญใน React ที่ช่วยจัดการข้อผิดพลาด (Error Handling) ในแอปพลิเคชัน React โดยการจับ JavaScript errors ที่เกิดขึ้นใน component tree และแสดง fallback UI แทนที่จะทำให้ทั

Guides users on error conversion patterns, From trait implementations, and the ? operator. Activates when users need to convert between error types or handle multiple error types in a function.

Context-aware debugging that learns from past solutions. When an error occurs:

Use when user needs complex error pattern analysis, distributed system debugging, error correlation, root cause discovery, or predictive error prevention across microservices.

Advanced error analysis and pattern detection specialist for identifying, analyzing, and preventing software errors

Proactively reviews error handling patterns and suggests improvements using Result types, proper error propagation, and idiomatic patterns. Activates when users write error handling code or use unwrap/expect.

Audits Go code for error handling best practices - proper wrapping with %w, preserved context, meaningful messages, no error swallowing. Use before committing Go code or during error handling reviews.

Find and fix unsafe error handling in Leavn - try! force unwraps, empty catch blocks, silent try? failures

Evaluates if error handling is sufficient for new code - checks try-catch coverage, logging, user messages, retry logic. Focuses on external calls and user-facing code.

Standard protocols for handling errors, API failures, and infrastructure issues

Errors are inevitable. The difference between a frustrating product and a caring one is how you handle them. This skill teaches you to design error states that guide users to resolution rather than le