React Hono Val Town Starter

`));\n\napp.post(\"/api/chat\", async (c) => {\n try {\n const body = await c.req.json().catch(() => ({}));\n const message = typeof body?.message === \"string\" ? body.message.trim() : \"\";\n if (!message) return c.json({ error: \"Message is required.\" }, 400);\n\n const apiKey = Deno.env.get(\"OPENAI_API_KEY\");\n const model = Deno.env.get(\"NICKO_MODEL\") || \"gpt-5.6-luna\";\n\n // Always keep the app usable without a paid API key.\n if (!apiKey) return c.json({ text: localCore(message), mode: \"local\" });\n\n const response = await fetch(\"https://api.openai.com/v1/responses\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"Authorization\": `Bearer ${apiKey}`,\n },\n body: JSON.stringify({\n model,\n instructions: NICKO_SYSTEM,\n input: message,\n max_output_tokens: 700,\n }),\n });\n\n if (!response.ok) {\n // Gracefully fall back instead of turning the chat into an error page.\n console.error(\"AI provider error:\", response.status, await response.text());\n return c.json({ text: localCore(message), mode: \"local-fallback\" });\n }\n\n const data = await response.json();\n return c.json({ text: data.output_text || localCore(message), mode: \"cloud\" });\n } catch (error) {\n console.error(error);\n return c.json({ text: localCore(\"The cloud service is unavailable right now.\"), mode: \"local-fallback\" }, 200);\n }\n});\n\nexport default app.fetch;\n",[],[185],"6aace013-b8b7-4058-aca2-1a2d3aa9df47","root.tsx","01a07c22-eb1f-760b-98ef-0b2ca8ab8421","01a07c22-eb1e-735b-912f-d25e202a8f65",2,["D",1788789058334],"script","/** @jsxImportSource npm:hono@4/jsx */\nimport { raw } from \"npm:hono@4/html\";\nimport { immutableFileUrl } from \"https://esm.town/v/std/utils/index.ts\";\n\n// The HTML shell for the app. It is never cached, so immutableFileUrl can stamp\n// the current val version into each asset URL — the browser caches those\n// immutably, and publishing the val changes the URLs, refetching exactly once.\nexport function Root() {\n return (\n <>\n {raw(\"\")}\n \n \n \n \n React Hono Val Town Starter\n

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