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Database access patterns for performance. Separate read/write models, avoid N+1 queries, use AsNoTracking, apply row limits, and never do application-side joins. Works with EF Core and Dapper.
Analyze code coverage and CRAP (Change Risk Anti-Patterns) scores to identify high-risk code. Use OpenCover format with ReportGenerator for Risk Hotspots showing cyclomatic complexity and untested cod…
Write UI tests for Blazor applications (Server or WebAssembly) using Playwright. Covers navigation, interaction, authentication, selectors, and common Blazor-specific patterns.
Use Verify for snapshot testing in .NET. Approve API surfaces, HTTP responses, rendered emails, and serialized outputs. Detect unintended changes through human-reviewed baseline files.
Code organization patterns and TypeScript best practices for Convex. Use when structuring a Convex project, writing helper functions, defining schemas, working with types like QueryCtx/MutationCtx/Act…
Best practices for Convex database queries, indexes, and filtering. Use when writing or reviewing database queries in Convex, working with `.filter()`, `.collect()`, `.withIndex()`, defining indexes i…
Extract patterns, lessons learned, and key decisions from completed development cycles. Writes structured pattern docs to docs/devdocs/patterns/ and updates AGENTS.md. Run after devdocs-sync to compou…
Repository pattern: protocol-based data access, DTO-to-domain mapping, and clean layer separation. Use when implementing app features related to repositories.
Write modern, high-performance C# code using records, pattern matching, value objects, async/await, Span<T>/Memory<T>, and best-practice API design patterns. Emphasizes functional-style programming wi…
Organize DI registrations using IServiceCollection extension methods. Group related services into composable Add* methods for clean Program.cs and reusable configuration in tests.
Use Slopwatch to detect LLM reward hacking in .NET code changes. Run after every code modification to catch disabled tests, suppressed warnings, empty catch blocks, and other shortcuts that mask real …
Snapshot test email templates using Verify to catch regressions. Validates rendered HTML output matches approved baseline. Works with MJML templates and any email renderer.
Database migrations and schema evolution in Convex. Use when adding new fields, changing data structures, backfilling data, renaming fields, or performing zero-downtime schema changes.
Security best practices for Convex functions including ConvexError handling, argument/return validation, authentication helpers, access control, rate limiting, and internal functions. Use when writing…
Manage Git branches and pull requests using git-spice (gs). Use when user says "/gs", "create branch", "new branch", "switch branch", "checkout branch", "rebase branch", "update branch from main", "cr…
Targeted recovery workflow for unresolved planned files after the first build pass. Use when only a subset of planned files is missing or invalid.
Entity Framework Core best practices including NoTracking by default, query splitting for navigation collections, migration management, dedicated migration services, and common pitfalls to avoid.
Microsoft.Extensions.Options patterns including IValidateOptions, strongly-typed settings, validation on startup, and the Options pattern for clean configuration management.
Design .NET types for performance. Seal classes, use readonly structs, prefer static pure functions, avoid premature enumeration, and choose the right collection types.
Write integration tests using TestContainers for .NET with xUnit. Covers infrastructure testing with real databases, message queues, and caches in Docker containers instead of mocks.
Comprehensive Convex code review checklist for production readiness. Use when auditing a Convex codebase before deployment, reviewing pull requests, or checking for security and performance issues in …
Opinionated constraints for writing maintainable, testable code. Apply MTE principles, avoid over-engineering, guide refactoring, and provide code review checklists. Use when users write code, refacto…
Triage TestFlight crashes, beta feedback, and performance diagnostics using asc. Use when the user asks about TF crashes, TestFlight crash reports, beta tester feedback, app hangs, disk writes, launch…
Debug failed/issue tasks from Beam.ai using Langfuse traces. Load when user says "debug issue tasks", "check failed tasks", "why did task fail", "task errors", "debug agent", or needs to investigate t…