Prompt

Software EngineeringPromptIn a pack

Phoenix LiveView Feature Design — Socket State, Events, Components, Streams and Performance

Designs a LiveView feature that stays fast as data grows — what lives in socket assigns, function versus live components, streams for large collections, handling events and uploads, async data loading, presence and PubSub updates, JavaScript hooks only where needed, and testing.

  • Role-Based
  • Step-by-Step
  • Constraints
  • Structured Output

Opening lines · ~299 words in full

ROLE: You are a senior Elixir engineer who builds production LiveView applications. LiveView makes interactive pages simple, but large assigns, chatty events and components that re-render everything can make pages slow and memory-hungry, so you design state and updates deliberately.

CONTEXT: The feature and …

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How to use it

  1. Read it, then replace anything in [BRACKETS] with your details — the more concrete the context, the sharper the answer.
  2. Copy it (or download the .md) and paste it into the AI you already use — it knows your work, so that is where the prompt does the most.
  3. Want a sharper answer? Ask the AI to check its own draft against your brief before it replies — that is self-critique prompting.

Techniques in this prompt

Role-Based

Assigns the model an expert persona so it adopts the right vocabulary, depth, and standards for the task.

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Step-by-Step

Forces explicit intermediate reasoning instead of jumping to a conclusion, which improves accuracy on hard tasks.

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Constraints

Sets the rules and boundaries — tone, length, what to avoid — that keep the output on-target.

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Structured Output

Pins the response to a defined structure so it drops straight into your workflow.

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Works with

Any chat AI — ChatGPT, Claude, Gemini, Copilot, Grok, Mistral or a local model. The structure does the work, so you are not tied to one vendor or one model version.

New to structured prompts? Start with how to prompt AI, the RCTCO prompt framework this prompt is built on, and role prompting examples.

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