Idea Odyssey | Interactive

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\n\n\n\n`;\n}\n\n// --- MAIN VAL TOWN FUNCTION ---\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n\n if (req.method === \"POST\" && url.pathname.endsWith(\"/expand\")) {\n try {\n const body = await req.json();\n const topic = body.topic;\n\n if (!topic || typeof topic !== \"string\" || topic.trim().length === 0) {\n return new Response(\n JSON.stringify({ error: \"A valid 'topic' string is required.\" }),\n {\n status: 400,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n const openai = new OpenAI();\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [\n { role: \"system\", content: GRAPH_GENERATOR_PROMPT },\n { role: \"user\", content: `The central concept is: \"${topic}\"` },\n ],\n temperature: 0.7,\n response_format: { type: \"json_object\" },\n });\n\n const content = completion.choices[0].message.content;\n const parsedContent = extractJson(content);\n\n if (\n !parsedContent || !parsedContent.expansion ||\n !Array.isArray(parsedContent.expansion)\n ) {\n throw new Error(\"AI returned data in an invalid format.\");\n }\n\n return new Response(JSON.stringify(parsedContent), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n } catch (error) {\n console.error(\"AI Expansion Error:\", error);\n return new Response(\n JSON.stringify({\n error: error.message || \"An unknown server error occurred.\",\n }),\n {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n }\n\n const baseUrl = `https://${url.hostname}${url.pathname}`;\n return new Response(\n generateHtml(baseUrl.endsWith(\"/\") ? baseUrl : baseUrl + \"/\"),\n {\n headers: { \"Content-Type\": \"text/html\" },\n },\n );\n}","deleted","label","children",[],[150],"files",[148],"counts",{"_173":32,"_174":175,"_176":32,"_177":178},"pulls","branches",1,"forks","envVars",{"_179":32,"_180":32},"count","emptyCount","contents",[183],{"_102":149,"_95":150,"_151":152,"_153":-5,"_154":136,"_155":135,"_156":157,"_104":184,"_99":159,"_160":161,"_162":163,"_164":22,"_165":-5,"_98":185},["D",1759731726218],[150],"file","upstreamProject","upstreamBranch","emptyEnvVars","isNew","flags",[],"routes/_app.x.$handle.$name._index",{"_93":94,"_95":96,"_97":-7,"_99":-7,"_100":195,"_181":200,"_203":-7,"_204":-5,"_205":-5,"_169":206,"_210":211,"_212":-5,"_213":-5},{"_102":103,"_95":96,"_104":196,"_106":-5,"_107":22,"_108":109,"_110":-5,"_111":-5,"_14":112,"_113":-5,"_114":22,"_115":-5,"_116":32,"_16":117,"_118":119,"_120":119,"_121":122,"_123":122,"_124":122,"_125":119,"_126":119,"_23":197,"_130":198,"_133":199,"_145":22},["D",1759718247683],{"_93":94,"_128":129},{"_93":94,"_132":129},{"_99":135,"_95":43,"_102":136,"_137":103,"_138":-5,"_139":-5,"_140":-5,"_141":-5,"_142":-5,"_143":96,"_144":94},[201],{"_102":149,"_95":150,"_151":152,"_153":-5,"_154":136,"_155":135,"_156":157,"_104":184,"_99":159,"_160":161,"_162":163,"_164":22,"_165":-5,"_98":202},[150],"readme","upstream","pull",[207],{"_102":149,"_95":150,"_151":152,"_153":-5,"_154":136,"_155":135,"_156":157,"_104":158,"_99":159,"_160":161,"_162":163,"_164":22,"_165":-5,"_166":208,"_98":209},[],[150],"previews",[207],"ahead","behind","actionData","errors"]

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