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Chat

\n\n\n

\n\n\n`, { headers: { \"content-type\": \"text/html\" } });\n }\n\n const now = Date.now();\n const windowStart = now - WINDOW_MS;\n\n await sqlite.execute({ sql: \"DELETE FROM rate_limit WHERE ts < ?\", args: [windowStart] });\n const { rows } = await sqlite.execute({\n sql: \"SELECT COUNT(*) as count FROM rate_limit WHERE ip = ? AND ts >= ?\",\n args: [ip, windowStart],\n });\n const count = rows[0][0] as number;\n\n if (count >= LIMIT) {\n return new Response(\"Rate limit exceeded. Try again later.\", { status: 429 });\n }\n\n await sqlite.execute({\n sql: \"INSERT INTO rate_limit (ip, ts) VALUES (?, ?)\",\n args: [ip, now],\n });\n\n const { message } = await req.json();\n\n try {\n await sqlite.execute({\n sql: \"INSERT INTO messages_v2 (ip, role, content, ts) VALUES (?, ?, ?, ?)\",\n args: [ip, \"user\", message, now],\n });\n } catch (err) {\n return new Response(`Insert failed: ${err}`, { status: 500 });\n }\n\n const ollamaRes = await fetch(\"https://ollama.com/api/generate\", {\n method: \"POST\",\n headers: {\n \"content-type\": \"application/json\",\n \"authorization\": `Bearer ${Deno.env.get(\"ollamaapi\")}`,\n },\n body: JSON.stringify({\n model: \"gpt-oss:20b\",\n prompt: message,\n system: \"Reply in plain text only. 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Code