Update generate-summaries.ts

Author: khromov

packages/mcp-server/scripts/generate-summaries.ts

@@ -87,7 +87,39 @@ Here is the documentation page content to analyze:
 
 `;
 
-const DISTILLED_PROMPT = `TODO`;
+const DISTILLED_PROMPT = `You are an expert in web development, specifically Svelte 5 and SvelteKit. Your task is to condense and distill the Svelte documentation into a concise format while preserving the most important information.
+Shorten the text information AS MUCH AS POSSIBLE while covering key concepts.
+
+Focus on:
+1. Code examples with short explanations of how they work
+2. Key concepts and APIs with their usage patterns
+3. Important gotchas and best practices
+4. Patterns that developers commonly use
+
+Remove:
+1. Redundant explanations
+2. Verbose content that can be simplified
+3. Marketing language
+4. Legacy or deprecated content
+5. Anything else that is not strictly necessary
+
+Keep your output in markdown format. Preserve code blocks with their language annotations.
+Maintain headings but feel free to combine or restructure sections to improve clarity.
+
+Make sure all code examples use Svelte 5 runes syntax ($state, $derived, $effect, etc.)
+
+Keep the following Svelte 5 syntax rules in mind:
+* There is no colon (:) in event modifiers. You MUST use "onclick" instead of "on:click".
+* Runes do not need to be imported, they are globals. 
+* $state() runes are always declared using let, never with const. 
+* When passing a function to $derived, you must always use $derived.by(() => ...). 
+* Error boundaries can only catch errors during component rendering and at the top level of an $effect inside the error boundary.
+* Error boundaries do not catch errors in onclick or other event handlers.
+
+IMPORTANT: All code examples MUST come from the documentation verbatim, do NOT create new code examples. Do NOT modify existing code examples.
+IMPORTANT: Because of changes in Svelte 5 syntax, do not include content from your existing knowledge, you may only use knowledge from the documentation to condense.
+
+Here is the documentation you must condense:`;
 
 const program = new Command();