Kinetic Spell Engine

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\n \n \n

Power Level:

Justification:

\n \n

\n\n \n\n`;\n}\n\n// --- BACKEND LOGIC ---\nconst app = new Hono();\n\napp.post(\"/interpret\", async (c) => {\n try {\n const openai = new OpenAI();\n const body = await c.req.json();\n const gestureData = body.gestureData;\n\n if (!Array.isArray(gestureData) || gestureData.length === 0) {\n return c.json({ error: \"Invalid gesture data provided.\" }, 400);\n }\n\n const simplifiedData = gestureData.map((frame) => ({\n handedness: frame.handedness,\n landmarks: frame.landmarks.map((lm) =>\n `(${lm.x.toFixed(3)},${lm.y.toFixed(3)},${lm.z.toFixed(3)})`\n ).join(\" \"),\n }));\n\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [\n { role: \"system\", content: GESTURE_INTERPRETER_PROMPT },\n {\n role: \"user\",\n content: `Analyze the following kinematic sequence:\\n${\n JSON.stringify(simplifiedData)\n }`,\n },\n ],\n response_format: { type: \"json_object\" },\n });\n\n const content = completion.choices[0].message.content;\n const parsedJson = extractJson(content);\n\n if (!parsedJson) {\n throw new Error(\"AI did not return a valid JSON object.\");\n }\n\n // Additional validation of the AI's response structure\n const classification = parsedJson as SpellClassification;\n if (!classification.spellName || !classification.justification) {\n throw new Error(\"AI response is missing required fields.\");\n }\n\n return c.json(classification, 200);\n } catch (error) {\n console.error(\"Hono Handler Error:\", error);\n return c.json({\n error: error.message || \"An internal server error occurred.\",\n }, 500);\n }\n});\n\napp.get(\"/\", (c) => {\n const url = new URL(c.req.url);\n const sourceUrl = `https://${url.hostname}${url.pathname}`;\n const finalUrl = sourceUrl.endsWith(\"/\") ? 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