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SvelteKit 5 & Svelte 5 Gemini System Prompt

Production-grade architectural rulebook for SvelteKit 5 & Svelte 5. Engineered to eliminate LLM hallucinations, enforce strict deterministic conventions, and prevent architectural drift across Cursor IDE, Claude Code CLI, and autonomous multi-agent pipelines.

Target Path
prompts/gemini-system-instructions.json
Execution Scope
Project Context
Specification Format
Markdown / Config
AI Tool Support
Universal AI Assistants
02 / DRIFT ANALYSIS & VALUE PROPOSITION

Failure Patterns Prevented for SvelteKit 5 & Svelte 5

Without This Rule (Default LLM Behavior)Vulnerable

Svelte 5 completely overhauls reactivity using Runes (`$state`, `$derived`, `$props`). Models trained on Svelte 3/4 write outdated `let` reactive declarations and `$: ` statements.

Hallucination Symptoms
  • Invokes deprecated or removed APIs from older model training weights
  • Generates conflicting configuration files and invalid imports
  • Silently drops type-safety, boundaries, or transaction isolation
With This Rule (Guaranteed Invariants)Deterministic
Use Svelte 5 runes: `$state()`, `$derived()`, and `$props()`.
Never use obsolete Svelte 3/4 `export let` or `$: ` reactive labels.
Implement data loading in `+page.server.ts` load functions.
Handle data mutations via standard SvelteKit Form Actions with `enhance`.
04 / REPOSITORY PLACEMENT & 3-STEP TERMINAL INSTALLATION

How to Install SvelteKit 5 & Svelte 5 Gemini System Instructions via Terminal

1

Step 1: Open Project Directory & Verify Target Placement

Open your terminal and navigate to your project root folder where the prompts/gemini-system-instructions.json file will reside. Ensure the file is placed at the exact path below relative to your project root so the AI engine automatically loads it:

prompts/gemini-system-instructions.json
2

Step 2: Fetch Rule File via Terminal Command

Run curl, PowerShell, or wget to stream the rule directly from the DevScratchpad raw API endpoint and write it to prompts/gemini-system-instructions.json:

Terminal One-Liner Install

Run directly in your project root to stream and write this rule file with one command.

Raw API Stream
$mkdir -p "prompts" && curl -fsSL "https://www.devscratchpad.tech/api/raw/gemini-prompts/sveltekit" -o "prompts/gemini-system-instructions.json"
3

Step 3: Verify and Activate with AI Agent

Launch your AI coding assistant (Universal AI Assistants). The assistant will automatically discover prompts/gemini-system-instructions.json in your repository and apply the architectural guardrails, type constraints, and verification protocols during code generation.

05 / ROUTE DIRECTORY & CROSS-TOOLING
Alternative AI Formats for SvelteKit 5 & Svelte 5Cross-Tooling
/ai-skill-studio/cursor-rules/nextjs-15Next.js 15 Cursor Rules
→
/ai-skill-studio/cursor-rules/vue-nuxtVue / Nuxt Cursor Rules
→
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Format Pillar HubComprehensive Manual

Gemini API System Instructions Generator

Inspect the complete specification manual, glob patterns, directory rules, and all available presets in our central directory.

/gemini-prompts Directory
06 / RECOMMENDED OFFLINE DEVELOPER TOOLS

Pair With SvelteKit 5 & Svelte 5 Client-Side Utilities

100% private, browser-based utilities to test, format, and inspect code generated by your AI rules.

View All 28 Tools
Code

JSON to TypeScript Interfaces

Instantly infer TypeScript interfaces and types from a JSON payload.

Open Tool→
Code

JSON to Zod Schema

Infer Zod validation schemas directly from JSON payloads.

Open Tool→
Code

SVG to JSX Converter

Convert raw SVG markup into React JSX/TSX components.

Open Tool→
Security

JWT Decoder & Inspector

Decode JSON Web Tokens securely. Inspect claims, header, and signature status locally.

Open Tool→

Migrating from Legacy .cursorrules or CLAUDE.md?

Use our free, offline converter to transform monolithic rulebooks into modular Cursor .mdc, Claude SKILL.md, and Windsurf Cascade rules.

Convert Rules Free →
07 / FREQUENTLY ASKED QUESTIONS

Technical FAQ: SvelteKit 5 & Svelte 5 AI Rulebooks

Does this cover Svelte 5 runes?

Yes, it specifically enforces `$state` and `$derived` while banning legacy Svelte 4 syntax.