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404 Not Found

\", {\n status: 404,\n headers: { \"Content-Type\": \"text/html\" },\n });\n }\n\n const word = url.searchParams.get(\"word\");\n\n if (!word) {\n return new Response(\"

Error: No word provided.

\", {\n status: 400,\n headers: { \"Content-Type\": \"text/html\" },\n });\n }\n\n try {\n // gemini-3.1-flash-lite is already ideal for ultra-low latency\n const response = await ai.models.generateContent({\n model: \"gemini-3.1-flash-lite\",\n contents: `Explain this word or phrase or sentence or quote very simply: \"${word}\"`,\n config: {\n systemInstruction:\n \"Reading assistant. Explain word/phrase/sentence/quote simply, clearly. Max 3 sentences. Provide 2 relatable usage of the word/phrase. CRITICAL: No markdown asterisks (*). Wrap explanation in

. Insert
before and between examples. Always have emphasized words and then put it inside .\",\n },\n });\n\n const definitionAndExamples = response.text ||\n \"Could not generate a definition.\";\n const definitionAndExamplesArray = definitionAndExamples.split(\"\\n\").filter(\n Boolean,\n );\n const definition = definitionAndExamplesArray[0] || \"\";\n const examples = definitionAndExamplesArray.slice(1);\n\n const htmlResponse = `\n

${word}

${definition}

📖ILLUSTRATIONS

${\n examples[0] || \"\"\n }

${\n examples[1] || \"\"\n }

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Failed to fetch explanation from AI

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Code