divaltor

Portable Effect v4 guidance for services, layers, schemas, HTTP, runtime boundaries, concurrency, configuration, and testing.

Use when the user asks for ASCII diagrams, timeline diagrams, flow diagrams, schedule explanations, stack traces, flamegraphs, or a single user-friendly ASCII output with Apple/Uber-like clean styling.

Queries local and remote files (Parquet, CSV, JSON) using DuckDB as SQL engine. Use for data analysis, file inspection, S3 queries, or answering questions about tabular data.

Non-obvious SolidJS patterns and reactivity gotchas. Use when authoring or refactoring .tsx/.jsx in a SolidJS app, designing stores/contexts, syncing server state, or debugging reactivity issues (stale reads, missing updates, extra re-runs).

This skill is for interface design — dashboards, admin panels, apps, tools, and interactive products. NOT for marketing design (landing pages, marketing sites, campaigns).

Guides writing grammY Telegram bot handlers, middleware, and plugins. Use when creating or modifying bot commands, inline queries, callback queries, message handlers, or middleware.