[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_102":103,"_104":105},"routes/embed.x.$handle.$name.$",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":20,"_21":-5},"handle","minseoyahh","name","hyuna-discord-bot","path","interaction.ts","project",{"_22":45,"_11":12,"_33":46,"_47":-5,"_48":42,"_49":50,"_51":50,"_52":53,"_54":-5,"_55":56,"_57":25,"_58":32,"_59":-5,"_60":-5,"_61":62,"_63":64,"_65":-5,"_66":-5,"_67":-5,"_68":-5,"_69":70,"_71":70,"_72":73,"_74":73,"_75":73,"_76":70,"_77":70,"_78":79,"_80":81,"_82":83,"_84":42},"file",{"_22":23,"_11":14,"_24":25,"_26":-5,"_27":28,"_29":30,"_31":32,"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":-5,"_13":44},"permalink","https://www.val.town/x/minseoyahh/hyuna-discord-bot/code/interaction.ts","extension","id","104676db-8c55-4f70-869b-2f2ea7579967","fileId","cb6a6098-9d77-11f1-ac0b-1607ee4eb77e","parentId","branchId","ad9a9901-6873-48bc-8a7c-cab8dffdd06a","branchVersion",118,"latest",true,"createdAt",["D",1787392054481],"version",60,"fileType","http","content","// Discord 24/7 bot via the Interactions Endpoint (webhook).\n// Discord POSTs here when a slash command is used — no always-on connection needed.\n//\n// Required env vars:\n// DISCORD_PUBLIC_KEY -> your bot's Public Key (General Information page)\nconst DISCORD_PUBLIC_KEY = Deno.env.get(\"DISCORD_PUBLIC_KEY\");\nimport { VOCABULARY } from \"./vocabulary.ts\";\nimport { hyunaReply, hyunaAsk, HYUNA_COMMANDS } from \"./persona.ts\";\nimport { hyunaAI } from \"./ai.ts\";\nimport { blob } from \"https://esm.town/v/std/blob/main.ts\";\n\nfunction hexToBytes(hex: string): Uint8Array {\n const bytes = new Uint8Array(hex.length / 2);\n for (let i = 0; i < bytes.length; i++) {\n bytes[i] = parseInt(hex.slice(i * 2, i * 2 + 2), 16);\n }\n return bytes;\n}\n\n// Verify Discord's Ed25519 signature on each request.\nasync function verifyRequest(\n signature: string,\n timestamp: string,\n rawBody: ArrayBuffer,\n): Promise {\n const key = await crypto.subtle.importKey(\n \"raw\",\n hexToBytes(DISCORD_PUBLIC_KEY!),\n { name: \"Ed25519\" },\n false,\n [\"verify\"],\n );\n const message = new TextEncoder().encode(timestamp + new TextDecoder().decode(rawBody));\n return crypto.subtle.verify(\"Ed25519\", key, hexToBytes(signature), message);\n}\n\nfunction getOption(interaction: any, name: string): string | number | undefined {\n return interaction.data?.options?.find((o: any) => o.name === name)?.value;\n}\n\nfunction rawReply(content: string, flags = 0): Response {\n return new Response(JSON.stringify({ type: 4, data: { content, ...(flags ? { flags } : {}) } }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n}\n\nconst EPHEMERAL = 64;\nconst PERM = {\n KICK: 2n,\n BAN: 4n,\n MANAGE_CHANNELS: 16n,\n MANAGE_MESSAGES: 8192n,\n MODERATE: 1099511627776n,\n MANAGE_ROLES: 268435456n,\n ADMIN: 8n,\n};\n\nfunction hasPermission(interaction: any, permission: bigint): boolean {\n const bits = BigInt(interaction.member?.permissions ?? \"0\");\n return (bits & PERM.ADMIN) !== 0n || (bits & permission) !== 0n;\n}\n\nfunction guildOnly(interaction: any): boolean {\n return Boolean(interaction.guild_id);\n}\n\nfunction apiHeaders(token: string) {\n return { \"Content-Type\": \"application/json\", Authorization: `Bot ${token}` };\n}\n\nasync function discordApi(path: string, method: string, token: string, body?: unknown): Promise<{ ok: boolean; status: number; data: any }> {\n const res = await fetch(`https://discord.com/api/v10${path}`, {\n method,\n headers: apiHeaders(token),\n ...(body === undefined ? {} : { body: JSON.stringify(body) }),\n });\n const text = await res.text();\n let data: any = null;\n try { data = text ? JSON.parse(text) : null; } catch { data = text; }\n return { ok: res.ok, status: res.status, data };\n}\n\n// Wrap plain-text replies in Hyuna's voice.\nfunction reply(content: string): Response {\n return rawReply(hyunaReply(content));\n}\n\nfunction replyEmbed(embed: any): Response {\n return new Response(JSON.stringify({ type: 4, data: { embeds: [embed] } }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n}\n\nfunction avatarURL(user: any): string {\n return user.avatar\n ? `https://cdn.discordapp.com/avatars/${user.id}/${user.avatar}.png?size=256`\n : `https://cdn.discordapp.com/embed/avatars/${Number(user.discriminator || \"0\") % 5}.png`;\n}\n\n// Safe math expression evaluator (no eval). Supports + - * / ^ ( )\nfunction evalMath(expr: string): number {\n let i = 0;\n const s = expr.replace(/\\s+/g, \"\");\n const peek = () => s[i];\n const eat = (c: string) => { if (s[i] !== c) throw new Error(\"expected\"); i++; };\n\n function num(): number {\n let start = i;\n while (i < s.length && /[0-9.]/.test(s[i])) i++;\n return parseFloat(s.slice(start, i));\n }\n function factor(): number {\n if (peek() === \"(\") { eat(\"(\"); const v = expr(); eat(\")\"); return v; }\n if (peek() === \"-\") { i++; return -factor(); }\n return num();\n }\n function power(): number {\n let v = factor();\n if (peek() === \"^\") { i++; v = Math.pow(v, power()); }\n return v;\n }\n function term(): number {\n let v = power();\n while (peek() === \"*\" || peek() === \"/\" || peek() === \"%\") {\n const op = peek(); eat(op);\n const r = power();\n if (op === \"/\" && r === 0) throw new Error(\"division by zero\");\n v = op === \"*\" ? v * r : op === \"/\" ? v / r : v % r;\n }\n return v;\n }\n function expr(): number {\n let v = term();\n while (peek() === \"+\" || peek() === \"-\") {\n const op = peek(); eat(op);\n const r = term();\n v = op === \"+\" ? v + r : v - r;\n }\n return v;\n }\n const result = expr();\n if (i !== s.length) throw new Error(\"invalid\");\n if (!isFinite(result)) throw new Error(\"invalid\");\n return result;\n}\n\n// Turn common student-friendly math words/symbols into the operators evalMath understands.\nfunction normalizeBasicMath(input: string): string {\n return input\n .toLowerCase()\n .replace(/\\bmultiplied\\s+by\\b/g, \"*\")\n .replace(/\\btimes\\b/g, \"*\")\n .replace(/\\bdivided\\s+by\\b/g, \"/\")\n .replace(/\\bplus\\b/g, \"+\")\n .replace(/\\bminus\\b/g, \"-\")\n .replace(/\\bto\\s+the\\s+power\\s+of\\b/g, \"^\")\n .replace(/×/g, \"*\")\n .replace(/÷/g, \"/\")\n .replace(/−/g, \"-\")\n .replace(/,/g, \"\")\n .trim();\n}\n\n// Higher-level algebra helpers for high-school and introductory college algebra.\nfunction solveAdvancedAlgebra(input: string): string | null {\n const s = input.toLowerCase().replace(/[−×]/g, (c) => c === \"−\" ? \"-\" : \"*\").replace(/\\s+/g, \"\");\n const round = (n: number) => Math.round(n * 1e8) / 1e8;\n const fmt = (n: number) => Number.isInteger(n) ? String(n) : String(round(n));\n\n // Quadratic equations: ax² + bx + c = 0.\n if (s.includes(\"=\") && /x\\^?2/.test(s)) {\n const sides = s.split(\"=\");\n if (sides.length !== 2) throw new Error(\"invalid quadratic\");\n const poly = (side: string) => {\n const moved = side.replace(/-/g, \"+-\");\n let a = 0, b = 0, c = 0;\n for (const term of moved.split(\"+\").filter(Boolean)) {\n if (/x\\^2$/.test(term)) a += Number(term.replace(\"x^2\", \"\") || \"1\");\n else if (/x$/.test(term)) b += Number(term.replace(\"x\", \"\") || \"1\");\n else c += Number(term);\n }\n if (![a,b,c].every(Number.isFinite)) throw new Error(\"bad quadratic\");\n return {a,b,c};\n };\n const L = poly(sides[0]), R = poly(sides[1]);\n const a = L.a - R.a, b = L.b - R.b, c = L.c - R.c;\n if (a === 0) throw new Error(\"not quadratic\");\n const d = b*b - 4*a*c;\n if (d < 0) return `📚 **Quadratic**\\\\n\\`${input}\\`\\\\n\\\\n✨ **No real solutions** (discriminant = ${fmt(d)})`;\n if (d === 0) return `📚 **Quadratic**\\\\n\\`${input}\\`\\\\n\\\\n✨ **x = ${fmt(-b/(2*a))}**`;\n const r1 = (-b + Math.sqrt(d))/(2*a), r2 = (-b - Math.sqrt(d))/(2*a);\n return `📚 **Quadratic formula**\\\\n\\`${input}\\`\\\\n\\\\n✨ **x₁ = ${fmt(r1)}**\\\\n✨ **x₂ = ${fmt(r2)}**\\\\n\\\\nDiscriminant: **${fmt(d)}**`;\n }\n\n // Systems of two linear equations, separated by a semicolon or the word \"and\".\n if ((s.match(/=/g) || []).length === 2 && /x/.test(s) && /y/.test(s)) {\n const eqs = s.split(/;|\\band\\b/).filter(Boolean);\n if (eqs.length === 2) {\n const parse = (eq: string) => {\n const [left, right] = eq.split(\"=\");\n if (!right) throw new Error(\"bad system\");\n const p = (side: string) => {\n const t = side.replace(/-/g, \"+-\").split(\"+\").filter(Boolean);\n let x=0,y=0,c=0;\n for (const z of t) {\n if (z.includes(\"x\")) x += Number(z.replace(\"x\", \"\") || \"1\");\n else if (z.includes(\"y\")) y += Number(z.replace(\"y\", \"\") || \"1\");\n else c += Number(z);\n }\n return {x,y,c};\n };\n const L=p(left), R=p(right); return {a:L.x-R.x,b:L.y-R.y,c:R.c-L.c};\n };\n const e1=parse(eqs[0]), e2=parse(eqs[1]);\n const det=e1.a*e2.b-e2.a*e1.b;\n if (det === 0) throw new Error(\"system has no unique solution\");\n const x=(e1.c*e2.b-e2.c*e1.b)/det, y=(e1.a*e2.c-e2.a*e1.c)/det;\n return `📚 **System of equations**\\\\n\\`${input}\\`\\\\n\\\\n✨ **x = ${fmt(x)}**\\\\n✨ **y = ${fmt(y)}**`;\n }\n }\n\n // Factoring a quadratic such as x²+5x+6.\n const factor = s.match(/^x\\^2([+-]\\d+)x([+-]\\d+)$/);\n if (factor) {\n const b=Number(factor[1]), c=Number(factor[2]);\n for (let p=-Math.abs(c); p<=Math.abs(c); p++) if (p !== 0 && c % p === 0 && p + c/p === b) {\n const q=c/p;\n return `📚 **Factoring**\\\\n\\`${input}\\`\\\\n\\\\n✨ **(x ${p<0?\"-\":\"+\"} ${Math.abs(p)})(x ${q<0?\"-\":\"+\"} ${Math.abs(q)})**`;\n }\n }\n\n // Exponential equations: a^x=b.\n const exp=s.match(/^([\\d.]+)\\^x=([\\d.]+)$/);\n if (exp) {\n const a=Number(exp[1]), b=Number(exp[2]);\n if (a > 0 && a !== 1 && b > 0) return `📚 **Exponential equation**\\\\n\\`${input}\\`\\\\n\\\\n✨ **x = ${fmt(Math.log(b)/Math.log(a))}**`;\n }\n\n // Logarithms: log base b of n, or log_b(n).\n const log=s.match(/^log(?:_([\\d.]+))?\$?([\\d.]+)\$?$/);\n if (log) {\n const base=log[1] ? Number(log[1]) : 10, n=Number(log[2]);\n if (base > 0 && base !== 1 && n > 0) return `📚 **Logarithm**\\\\n\\`${input}\\`\\\\n\\\\n✨ **${fmt(Math.log(n)/Math.log(base))}**`;\n }\n\n // Arithmetic/geometric sequence terms: a1, d/r, n.\n const seq=s.match(/^(?:arithmetic|geometric)\\s+([\\d.-]+)\\s+([\\d.-]+)\\s+(\\d+)$/);\n if (seq) {\n const a1=Number(seq[1]), step=Number(seq[2]), n=Number(seq[3]);\n const value=s.startsWith(\"arithmetic\") ? a1+(n-1)*step : a1*Math.pow(step,n-1);\n return `📚 **${s.startsWith(\"arithmetic\") ? \"Arithmetic\" : \"Geometric\"} sequence**\\\\nTerm ${n} = **${fmt(value)}**`;\n }\n return null;\n}\n\nconst HELP_TEXT = `**🤖 Commands**\n\n**Fun**\n\\`/tap\\` — Tap the bot\n\\`/8ball \\` — Ask the magic 8-ball\n\\`/joke\\` — Get a random joke\n\\`/dadjoke\\` — Get a dad joke\n\\`/fact\\` — Get a random fun fact\n\\`/quote\\` — Get a random inspiring quote\n\\`/say \\` — Make me say something\n\\`/reverse \\` — Reverse some text\n\\`/morse \\` — Turn text into Morse code\n\\`/rate \\` — Rate something out of 100\n\\`/hug [user]\\` — Send a hug\n\\`/slap [user]\\` — Slap someone\n\\`/roast [user]\\` — Give a playful roast\n\\`/ship \\` — Totally scientific compatibility score\n\\`/truthordare\\` — Get a random truth or dare\n\\`/fortune\\` — Get a random fortune\n\n**Games**\n\\`/roll [max]\\` — Roll a random number\n\\`/dice [dice] [sides]\\` — Roll one or more dice\n\\`/coinflip\\` — Flip a coin\n\\`/choose \\` — Pick a random option\n\\`/poll \\` — Start a poll\n\\`/rps \\` — Rock paper scissors\n\\`/count [max]\\` — Count to a random number\n\n**Info**\n\\`/help\\` — Show this list\n\\`/ping\\` — Check if I'm online\n\\`/userinfo [user]\\` — Info about a user\n\\`/serverinfo\\` — Info about this server\n\\`/avatar [user]\\` — Get a user's avatar\n\\`/membercount\\` — Show server member count\n\\`/channelinfo\\` — Info about the current channel\n\\`/define \\` — Dictionary definition\n\\`/uptime\\` — Show bot stats\n\\`/invite\\` — Get the bot invite link\n\\`/getonline\\` — Try to bring the bot online\n\n**Moderation**\n\\`/clear \\` — Delete recent messages\n\\`/timeout [reason]\\` — Timeout a member\n\\`/kick [reason]\\` — Kick a member\n\\`/ban [reason]\\` — Ban a member\n\\`/slowmode \\` — Set channel slowmode\n\\`/lock\\` — Lock the current channel\n\\`/unlock\\` — Unlock the current channel\n\\`/role \\` — Manage a member's role\n\\`/announce \\` — Post a clean announcement`;\n\nconst EIGHT_BALL = [\n \"Yes.\", \"No.\", \"Maybe.\", \"Definitely.\", \"Ask again later.\",\n \"I don't think so.\", \"Absolutely.\", \"Outlook not so good.\", \"It is certain.\", \"Very doubtful.\",\n];\n\nconst JOKES = [\n // Original\n \"Why don't scientists trust atoms? Because they make up everything!\",\n \"What do you call a fish with no eyes? A fsh.\",\n \"Why did the scarecrow win an award? Because he was outstanding in his field!\",\n \"I told my computer I needed a break... now it won't stop sending me KitKat ads.\",\n \"Why don't skeletons fight each other? They don't have the guts.\",\n \"What do you call a fake noodle? An impasta.\",\n \"Why did the math book look so sad? Because it had too many problems.\",\n \"What's orange and sounds like a parrot? A carrot.\",\n // Animals\n \"Why do seagulls fly over the sea? Because if they flew over the bay, they'd be bagels!\",\n \"What do you get when you cross a snowman and a vampire? Frostbite.\",\n \"Why can't a leopard hide? Because he's always spotted.\",\n \"What do you call a bear with no teeth? A gummy bear.\",\n \"Why did the golfer bring two pairs of pants? In case he got a hole in one.\",\n \"Why don't eggs tell jokes? They'd crack each other up.\",\n \"How does a penguin build its house? Igloos it together.\",\n \"What do you call a sleeping dinosaur? A dino-snore.\",\n \"Why did the cow go into the Honda dealer? It wanted a moo-stang.\",\n \"What do you call a pig that does karate? A pork chop.\",\n // Food\n \"Why did the tomato turn red? Because it saw the salad dressing!\",\n \"What did the grape do when it got stepped on? It let out a little wine.\",\n \"Why did the cookie go to the doctor? It was feeling crumbly.\",\n \"What do you call cheese that isn't yours? Nacho cheese.\",\n \"Why did the banana go to the hospital? It wasn't peeling well.\",\n \"What did the toast say to the butter? You're on a roll!\",\n \"Why can't you trust tacos? They always spill the beans.\",\n // Tech\n \"Why did the programmer quit his job? He didn't get arrays.\",\n \"There are only 10 types of people in the world: those who understand binary and those who don't.\",\n \"Why do programmers prefer dark mode? Because light attracts bugs.\",\n \"I would tell you a joke about UDP, but you wouldn't get it.\",\n \"Why was the computer cold? It left its Windows open.\",\n // Puns\n \"I told my wife she should embrace her mistakes. She gave me a hug. I thought it was a big deal.\",\n \"I'm reading a book about anti-gravity. It's impossible to put down.\",\n \"What do you call a man with no body and just a nose? Nobody knows.\",\n \"I used to play piano by ear, but now I use my hands.\",\n \"Why did the stadium get hot after the game? All the fans left.\",\n \"I don't trust stairs. They're always up to something.\",\n \"I told my friend 10 jokes to make him laugh. Sadly, no pun in ten did.\",\n \"What's the fastest thing in the world? A blinking light — it goes on and off in a second.\",\n \"I'm on a seafood diet. I see food and I eat it.\",\n \"I was going to tell a time-traveling joke, but you didn't like it.\",\n \"I renamed my iPod 'The Titanic', so when I plug it in, it says 'It syncs'.\",\n \"I couldn't figure out why the baseball was getting bigger... then it hit me.\",\n \"I don't play soccer because I enjoy exercise. I play soccer because I hate it.\",\n \"My dad said be careful with your phone. I asked why. He said because it's a Galaxy, don't be too bright.\",\n \"What do you call a snowman with a six-pack? An abdominal snowman.\",\n \"I accidentally took my whole bottle of medicine in one go. I don't think it worked — I still don't feel better than anyone else.\",\n];\n\nconst FACTS = [\n \"Honey never spoils. Archaeologists have found pots of it in ancient Egyptian tombs that are still edible! 🍯\",\n \"Octopuses have three hearts and blue blood. 🐙\",\n \"Bananas are berries, but strawberries aren't. 🍌\",\n \"A day on Venus is longer than a year on Venus. 🪐\",\n \"Sharks existed before trees. 🦈\",\n \"Wombat poop is cube-shaped. 🧊\",\n \"There are more possible iterations of a game of chess than there are atoms in the known universe. ♟️\",\n \"The Eiffel Tower can be 15 cm taller during the summer due to thermal expansion. 🗼\",\n \"Humans share about 60% of their DNA with bananas. 🧬\",\n \"A group of flamingos is called a 'flamboyance'. 🦩\",\n \"The shortest war in history lasted 38 minutes. ⏱️\",\n \"Cows have best friends and get stressed when separated. 🐄\",\n \"Your brain uses about 20% of your body's energy. 🧠\",\n \"The first oranges weren't orange. 🍊\",\n \"Sea otters hold hands while sleeping to keep from drifting apart. 🦦\",\n];\n\nconst QUOTES = [\n { text: \"The only way to do great work is to love what you do.\", author: \"Steve Jobs\" },\n { text: \"In the middle of difficulty lies opportunity.\", author: \"Albert Einstein\" },\n { text: \"It always seems impossible until it's done.\", author: \"Nelson Mandela\" },\n { text: \"Success is not final, failure is not fatal: it is the courage to continue that counts.\", author: \"Winston Churchill\" },\n { text: \"The best time to plant a tree was 20 years ago. The second best time is now.\", author: \"Chinese Proverb\" },\n { text: \"Believe you can and you're halfway there.\", author: \"Theodore Roosevelt\" },\n { text: \"Do what you can, with what you have, where you are.\", author: \"Theodore Roosevelt\" },\n { text: \"Happiness is not something ready made. It comes from your own actions.\", author: \"Dalai Lama\" },\n { text: \"Whether you think you can or you think you can't, you're right.\", author: \"Henry Ford\" },\n { text: \"The journey of a thousand miles begins with a single step.\", author: \"Lao Tzu\" },\n];\n\nconst DAD_JOKES = [\n \"I'm reading a book on anti-gravity. It's impossible to put down.\",\n \"Why don't eggs tell jokes? They'd crack each other up.\",\n \"I used to hate facial hair, but then it grew on me.\",\n \"What do you call a fake noodle? An impasta.\",\n \"Why did the scarecrow win an award? Because he was outstanding in his field.\",\n \"I told my wife she should embrace her mistakes. She gave me a hug.\",\n \"What do you call a bear with no teeth? A gummy bear.\",\n \"I'm on a seafood diet. I see food and I eat it.\",\n \"Why did the bicycle fall over? Because it was two-tired.\",\n \"What do you call cheese that isn't yours? Nacho cheese.\",\n \"I don't trust stairs. They're always up to something.\",\n \"Why can't you hear a pterodactyl in the bathroom? Because the P is silent.\",\n];\n\nconst MORSE: Record = {\n a: \".-\", b: \"-...\", c: \"-.-.\", d: \"-..\", e: \".\", f: \"..-.\", g: \"--.\", h: \"....\",\n i: \"..\", j: \".---\", k: \"-.-\", l: \".-..\", m: \"--\", n: \"-.\", o: \"---\", p: \".--.\",\n q: \"--.-\", r: \".-.\", s: \"...\", t: \"-\", u: \"..-\", v: \"...-\", w: \".--\", x: \"-..-\",\n y: \"-.--\", z: \"--..\", \"0\": \"-----\", \"1\": \".----\", \"2\": \"..---\", \"3\": \"...--\",\n \"4\": \"....-\", \"5\": \".....\", \"6\": \"-....\", \"7\": \"--...\", \"8\": \"---..\", \"9\": \"----.\",\n \".\": \".-.-.-\", \",\": \"--..--\", \"?\": \"..--..\", \"!\": \"-.-.--\", \"'\": \".----.\", \" \": \"/\",\n};\n\nexport default async function handler(req: Request): Promise {\n // 1. Verify the incoming request really came from Discord.\n const signature = req.headers.get(\"X-Signature-Ed25519\");\n const timestamp = req.headers.get(\"X-Signature-Timestamp\");\n const rawBody = await req.arrayBuffer();\n\n if (\n !signature || !timestamp ||\n !(await verifyRequest(signature, timestamp, rawBody))\n ) {\n return new Response(\"Invalid signature\", { status: 401 });\n }\n\n const interaction = JSON.parse(new TextDecoder().decode(rawBody));\n\n // 2. Handle a PING from Discord (connection check).\n if (interaction.type === 1) {\n return new Response(JSON.stringify({ type: 1 }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (interaction.type !== 2) return reply(\"Unknown interaction.\");\n\n const name = interaction.data?.name;\n const author = interaction.member?.user ?? interaction.user;\n const resolved = interaction.data?.resolved?.users ?? {};\n\n // Lightweight server activity tracking for /level and /leaderboard.\n if (interaction.guild_id && author?.id) {\n const key = `activity:${interaction.guild_id}`;\n const activity = (await blob.getJSON(key)) ?? {};\n activity[author.id] = (Number(activity[author.id]) || 0) + 1;\n await blob.setJSON(key, activity);\n }\n\n // Commands with a dedicated Hyuna line (already in her voice, no re-wrap).\n const personaLine = HYUNA_COMMANDS[name];\n if (personaLine) return rawReply(personaLine);\n\n switch (name) {\n case \"tap\":\n return reply(\"stop, your annoying!\");\n\n case \"ping\":\n return reply(\"Pong! 🏓 I'm online.\");\n\n case \"help\":\n return reply(HELP_TEXT);\n\n case \"math-help\":\n return reply(`📚 **Math Help**\\n\\nTell me a problem and I'll try to explain the steps, not just the answer.\\n\\nExamples:\\n• \\`/math-help 2x+6=14\\` — linear algebra\\n• \\`/math-help x^2+5x+6=0\\` — quadratics\\n• \\`/math-help x+y=10; 2x-y=5\\` — systems\\n• \\`/math-help 2^x=16\\` — exponentials\\n• \\`/math-help log_2(32)\\` — logarithms\\n• \\`/math-help arithmetic 3 4 10\\` — sequences\\n\\nUse **/math-list** to see everything Hyuna can recognize.`);\n\n case \"practice-math\": {\n const grade = String(getOption(interaction, \"grade\") ?? \"4\").trim();\n const g = Number.parseInt(grade, 10);\n const level = Number.isFinite(g) ? g : 4;\n let problem: string;\n let answer: string;\n if (level <= 4) {\n const a = Math.floor(Math.random() * 900) + 100;\n const b = Math.floor(Math.random() * 90) + 10;\n problem = `${a} + ${b}`;\n answer = String(a + b);\n } else if (level <= 6) {\n const a = Math.floor(Math.random() * 50) + 10;\n const b = Math.floor(Math.random() * 20) + 2;\n problem = `${a} × ${b}`;\n answer = String(a * b);\n } else {\n const x = Math.floor(Math.random() * 10) + 1;\n const b = Math.floor(Math.random() * 15) + 1;\n const c = x * 2 + b;\n problem = `2x + ${b} = ${c}`;\n answer = `x = ${x}`;\n }\n return reply(`📚 **Practice Math — Grade ${level}**\\n\\nSolve this:\\n### ${problem}\\n\\n💡 Try it yourself first!\\n||Answer: **${answer}**||`);\n }\n\n case \"math-list\":\n return reply(`🧮 **Hyuna Math List**\\n\\n**Algebra**\\n• Linear equations: \\`2x+6=14\\`\\n• Quadratics: \\`x^2+5x+6=0\\`\\n• Factoring: \\`x^2+5x+6\\`\\n• Systems: \\`x+y=10; 2x-y=5\\`\\n• Exponents: \\`2^x=16\\`\\n• Logarithms: \\`log_2(32)\\`\\n• Arithmetic sequences\\n• Geometric sequences\\n\\n**Other school math**\\n• Percentages\\n• Fractions\\n• Square roots\\n• Factorials\\n• Mean / average\\n• Median\\n• Min / max / range\\n• Rectangle, triangle and circle area\\n• Circle circumference\\n• Pythagorean theorem\\n\\n💡 **Tip:** Use \\`/math-help\\` when you want an explanation.`);\n\n case \"userinfo\": {\n const targetId = getOption(interaction, \"user\") as string | undefined;\n const target = targetId ? resolved[targetId] : author;\n return replyEmbed({\n title: target.username,\n color: 0x5865F2,\n thumbnail: { url: avatarURL(target) },\n fields: [\n { name: \"User ID\", value: target.id, inline: true },\n { name: \"Username\", value: target.username, inline: true },\n { name: \"Bot?\", value: target.bot ? \"Yes\" : \"No\", inline: true },\n ],\n });\n }\n\n case \"serverinfo\":\n return replyEmbed({\n title: \"Server Info\",\n color: 0x5865F2,\n fields: [\n { name: \"Server ID\", value: interaction.guild_id ?? \"DM\", inline: true },\n { name: \"Channel ID\", value: interaction.channel_id ?? \"? \", inline: true },\n ],\n });\n\n case \"avatar\": {\n const targetId = getOption(interaction, \"user\") as string | undefined;\n const target = targetId ? resolved[targetId] : author;\n return replyEmbed({\n title: `${target.username}'s avatar`,\n color: 0x5865F2,\n image: { url: avatarURL(target) },\n });\n }\n\n case \"roll\": {\n const max = Math.max(1, Number(getOption(interaction, \"max\")) || 100);\n const result = Math.floor(Math.random() * max) + 1;\n return reply(`🎲 You rolled **${result}** (1–${max})`);\n }\n\n case \"coinflip\":\n return reply(Math.random() < 0.5 ? \"🪙 Heads!\" : \"🪙 Tails!\");\n\n case \"8ball\": {\n const q = getOption(interaction, \"question\");\n const a = EIGHT_BALL[Math.floor(Math.random() * EIGHT_BALL.length)];\n return reply(`🎱 **Q:** ${q}\\n**A:** ${a}`);\n }\n\n case \"say\": {\n const msg = String(getOption(interaction, \"message\") ?? \"\");\n if (!msg.trim()) return reply(\"You have to give me something to say!\");\n return reply(msg);\n }\n\n case \"joke\":\n return reply(JOKES[Math.floor(Math.random() * JOKES.length)]);\n\n case \"roast\": {\n const targetId = getOption(interaction, \"user\") as string | undefined;\n const target = targetId ? resolved[targetId]?.username : author.username;\n const roasts = [\"Your Wi-Fi has more personality than you do. 😭\", \"I would roast you, but I don't want to cause a fire alarm. 🔥\", \"You're not late. Time is just early around you. 💀\", \"You bring a very unique energy to the room. Mostly confusion. 😭\"];\n return reply(`${target}, ${roasts[Math.floor(Math.random() * roasts.length)]}`);\n }\n\n case \"ship\": {\n const a = String(getOption(interaction, \"user1\") ?? \"\");\n const b = String(getOption(interaction, \"user2\") ?? \"\");\n const score = (Number(a.slice(-6)) + Number(b.slice(-6))) % 101;\n return reply(`💘 <@${a}> + <@${b}> = **${score}%** compatibility. My science is flawless. probably.`);\n }\n\n case \"truthordare\": {\n const truths = [\"What's the weirdest thing you've searched for?\", \"What's a song you secretly love?\", \"What's your most useless talent?\"];\n const dares = [\"Send the next message using only emojis.\", \"Change your status to something silly for 5 minutes.\", \"Say 'I am the main character' in chat.\"];\n const isTruth = Math.random() < 0.5;\n const list = isTruth ? truths : dares;\n return reply(`${isTruth ? \"🟦 TRUTH\" : \"🟥 DARE\"}: **${list[Math.floor(Math.random() * list.length)]}**`);\n }\n\n case \"fortune\": {\n const fortunes = [\"A surprisingly good day is coming. ✨\", \"Someone will make you laugh when you least expect it. 🌟\", \"Your next idea might be your best one yet. 💡\", \"Today is a good day to try something new. 🍀\"];\n return reply(`🔮 **Your fortune:** ${fortunes[Math.floor(Math.random() * fortunes.length)]}`);\n }\n\n case \"rps\": {\n const user = String(getOption(interaction, \"choice\") ?? \"\");\n const choices = [\"rock\", \"paper\", \"scissors\"];\n const bot = choices[Math.floor(Math.random() * choices.length)];\n const win = (user === \"rock\" && bot === \"scissors\") || (user === \"paper\" && bot === \"rock\") || (user === \"scissors\" && bot === \"paper\");\n const result = user === bot ? \"It's a tie! 🤝\" : win ? \"You win! 😭\" : \"I win! heh. 😎\";\n return reply(`🪨📄✂️ You: **${user}** | Me: **${bot}**\\n${result}`);\n }\n\n case \"count\": {\n // Upper bound, clamped to keep the message within Discord's 2000-char limit.\n const max = Math.min(500, Math.max(1, Number(getOption(interaction, \"max\")) || 20));\n const target = Math.floor(Math.random() * max) + 1;\n const nums = Array.from({ length: target }, (_, i) => i + 1).join(\", \");\n return reply(`🔢 Counting to **${target}**:\\n${nums}`);\n }\n\n case \"getonline\": {\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!token) return reply(\"No DISCORD_TOKEN set — can't connect.\");\n try {\n // Connect to Discord's gateway and set the status to online.\n const { Client, GatewayIntentBits } = await import(\"npm:discord.js@14\");\n const client = new Client({ intents: [GatewayIntentBits.Guilds] });\n client.once(\"ready\", async () => {\n await client.user?.setPresence({ status: \"online\" });\n });\n await client.login(token);\n // Keep the connection alive as long as this execution runs.\n return reply(\"🟢 Bot is now online!\");\n } catch (err) {\n return reply(`Couldn't go online: ${(err as Error).message}`);\n }\n }\n\n case \"define\": {\n const word = String(getOption(interaction, \"word\") ?? \"\").trim().toLowerCase();\n if (!word) return reply(\"Give me a word to look up!\");\n\n // Check the built-in vocabulary first (fast, works offline).\n const known = VOCABULARY[word];\n if (known) {\n return replyEmbed({\n title: `📖 ${word}`,\n color: 0x5865F2,\n fields: [\n { name: \"Definition\", value: known.definition },\n ...(known.example ? [{ name: \"Example\", value: known.example }] : []),\n ],\n });\n }\n\n try {\n const res = await fetch(`https://api.dictionaryapi.dev/api/v2/entries/en/${encodeURIComponent(word)}`);\n if (!res.ok) {\n return reply(`Sorry, I couldn't find a definition for **${word}**.`);\n }\n const entries = await res.json() as Array<{\n word: string;\n phonetic?: string;\n phonetics?: Array<{ text?: string }>;\n meanings?: Array<{\n partOfSpeech?: string;\n definitions?: Array<{ definition?: string; example?: string }>;\n }>;\n }>;\n\n if (!entries.length || !entries[0].meanings?.length) {\n return reply(`Sorry, I couldn't find a definition for **${word}**.`);\n }\n\n const entry = entries[0];\n const phonetic = entry.phonetic ??\n entry.phonetics?.find((p) => p.text)?.text;\n const meaning = entry.meanings[0];\n const firstDefn = meaning.definitions?.[0];\n\n return replyEmbed({\n title: `📖 ${entry.word}`,\n color: 0x5865F2,\n description: phonetic ? `*${phonetic}*` : undefined,\n fields: [\n { name: `Part of speech: ${meaning.partOfSpeech ?? \"?\"}`,\n value: firstDefn?.definition ?? \"No definition found.\" },\n ...(firstDefn?.example ? [{ name: \"Example\", value: firstDefn.example }] : []),\n ],\n });\n } catch {\n return reply(`Sorry, I ran into an error looking up **${word}**.`);\n }\n }\n\n case \"choose\": {\n const opts = String(getOption(interaction, \"options\") ?? \"\")\n .split(\",\").map((s) => s.trim()).filter(Boolean);\n if (!opts.length) return reply(\"Give me some options separated by commas!\");\n const pick = opts[Math.floor(Math.random() * opts.length)];\n return reply(`🤔 I choose: **${pick}**`);\n }\n\n case \"dice\": {\n const count = Math.min(10, Math.max(1, Number(getOption(interaction, \"dice\")) || 1));\n const sides = Math.min(100, Math.max(2, Number(getOption(interaction, \"sides\")) || 6));\n const rolls = Array.from({ length: count }, () => Math.floor(Math.random() * sides) + 1);\n const total = rolls.reduce((a, b) => a + b, 0);\n return reply(`🎲 **${count}d${sides}** → ${rolls.join(\", \")}${count > 1 ? ` = **${total}**` : \"\"}`);\n }\n\n case \"poll\": {\n const q = String(getOption(interaction, \"question\") ?? \"\").trim();\n if (!q) return reply(\"Give me a question to poll!\");\n return reply(`📊 **${q}**\\n👍 Yes 👎 No 🤷 Meh`);\n }\n\n case \"fact\":\n return reply(`💡 ${FACTS[Math.floor(Math.random() * FACTS.length)]}`);\n\n case \"quote\": {\n const q = QUOTES[Math.floor(Math.random() * QUOTES.length)];\n return reply(`💬 *\"${q.text}\"* — ${q.author}`);\n }\n\n case \"hug\": {\n const targetId = getOption(interaction, \"user\") as string | undefined;\n const target = targetId ? resolved[targetId]?.username : null;\n return reply(target ? `🤗 ${target}, ${author.username} sends you a big hug!` : `🤗 *hugs* ${author.username}!`);\n }\n\n case \"slap\": {\n const targetId = getOption(interaction, \"user\") as string | undefined;\n const target = targetId ? resolved[targetId]?.username : null;\n return reply(target ? `👋 *slaps ${target}!*` : `👋 *slaps ${author.username}!`);\n }\n\n case \"rate\": {\n const thing = String(getOption(interaction, \"thing\") ?? \"\").trim();\n if (!thing) return reply(\"Give me something to rate!\");\n const rating = Math.floor(Math.random() * 101);\n const emoji = rating >= 80 ? \" 🎉\" : rating >= 50 ? \" 🙂\" : \" 😬\";\n return reply(`📊 I rate **${thing}** a **${rating}/100**${emoji}`);\n }\n\n case \"reverse\": {\n const text = String(getOption(interaction, \"text\") ?? \"\");\n if (!text.trim()) return reply(\"Give me some text to reverse!\");\n return reply([...text].reverse().join(\"\"));\n }\n\n case \"morse\": {\n const text = String(getOption(interaction, \"text\") ?? \"\").toLowerCase();\n if (!text.trim()) return reply(\"Give me some text to encode!\");\n const out = [...text].map((c) => MORSE[c] ?? \"?\").join(\" \");\n return reply(`📡 **Morse:**\\n${out}`);\n }\n\n case \"dadjoke\":\n return reply(DAD_JOKES[Math.floor(Math.random() * DAD_JOKES.length)]);\n\n case \"setgreet\":\n case \"setgoodbye\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages** to configure this.\", EPHEMERAL);\n const channelId = String(getOption(interaction, \"channel\") ?? \"\");\n const message = String(getOption(interaction, \"message\") ?? \"\").trim().slice(0, 2000);\n if (!channelId || !message) return rawReply(\"Pick a channel and give me a message.\", EPHEMERAL);\n const settings = (await blob.getJSON(\"greetingSettings\")) ?? {};\n const key = name === \"setgreet\" ? \"greet\" : \"goodbye\";\n settings[key] = { channelId, message };\n await blob.setJSON(\"greetingSettings\", settings);\n const kind = key === \"greet\" ? \"welcome\" : \"goodbye\";\n return reply(`✅ ${kind} messages are set for <#${channelId}>. Use **{user}**, **{username}**, **{displayname}**, and **{server}** in the message.`);\n }\n\n case \"membercount\": {\n if (!guildOnly(interaction)) return reply(\"that only works inside a server.\");\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!token) return reply(\"DISCORD_TOKEN isn't configured.\");\n const g = await discordApi(`/guilds/${interaction.guild_id}?with_counts=true`, \"GET\", token);\n if (!g.ok) return reply(\"couldn't fetch the server count right now.\");\n return reply(`👥 **${g.data.name}** has about **${g.data.approximate_member_count ?? g.data.member_count ?? \"?\"}** members.`);\n }\n\n case \"channelinfo\": {\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!token) return reply(\"DISCORD_TOKEN isn't configured.\");\n const ch = await discordApi(`/channels/${interaction.channel_id}`, \"GET\", token);\n if (!ch.ok) return reply(\"couldn't fetch channel info.\");\n return replyEmbed({\n title: `#${ch.data.name ?? \"channel\"}`,\n color: 0x5865F2,\n fields: [\n { name: \"Channel ID\", value: String(ch.data.id), inline: true },\n { name: \"Type\", value: String(ch.data.type), inline: true },\n { name: \"Slowmode\", value: `${ch.data.rate_limit_per_user ?? 0}s`, inline: true },\n ],\n });\n }\n\n case \"uptime\": {\n const up = Math.floor(performance.now() / 60000);\n return reply(`⏱️ Online for ~**${up}** minutes since this execution started.`);\n }\n\n case \"clear\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const amount = Math.min(100, Math.max(1, Number(getOption(interaction, \"amount\")) || 10));\n if (!token) return rawReply(\"DISCORD_TOKEN isn't configured.\", EPHEMERAL);\n const messages = await discordApi(`/channels/${interaction.channel_id}/messages?limit=${amount}`, \"GET\", token);\n if (!messages.ok || !Array.isArray(messages.data)) return rawReply(\"I couldn't read the recent messages.\", EPHEMERAL);\n const ids = messages.data.map((m: any) => m.id).slice(0, amount);\n if (!ids.length) return rawReply(\"There are no recent messages to clear.\", EPHEMERAL);\n const result = ids.length === 1\n ? await discordApi(`/channels/${interaction.channel_id}/messages/${ids[0]}`, \"DELETE\", token)\n : await discordApi(`/channels/${interaction.channel_id}/messages/bulk-delete`, \"POST\", token, { messages: ids });\n if (!result.ok) return rawReply(\"Couldn't clear those messages. Discord won't bulk-delete messages older than 14 days.\", EPHEMERAL);\n return reply(`🧹 Cleared **${ids.length}** message${ids.length === 1 ? \"\" : \"s\"}.`);\n }\n\n case \"timeout\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MODERATE)) return rawReply(\"You need **Moderate Members** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const userId = String(getOption(interaction, \"user\") ?? \"\");\n const minutes = Math.min(40320, Math.max(1, Number(getOption(interaction, \"minutes\")) || 10));\n const reason = String(getOption(interaction, \"reason\") ?? \"No reason provided\").slice(0, 500);\n if (!token || !userId) return rawReply(\"I need a member and a duration.\", EPHEMERAL);\n const until = new Date(Date.now() + minutes * 60_000).toISOString();\n const result = await discordApi(`/guilds/${interaction.guild_id}/members/${userId}`, \"PATCH\", token, { communication_disabled_until: until });\n if (!result.ok) return rawReply(`Couldn't timeout that member (Discord ${result.status}). Check my permissions and role position.`, EPHEMERAL);\n return reply(`⏳ <@${userId}> is timed out for **${minutes} minutes**. Reason: ${reason}`);\n }\n\n case \"kick\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.KICK)) return rawReply(\"You need **Kick Members** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const userId = String(getOption(interaction, \"user\") ?? \"\");\n const reason = String(getOption(interaction, \"reason\") ?? \"No reason provided\").slice(0, 500);\n if (!token || !userId) return rawReply(\"I need a member to kick.\", EPHEMERAL);\n const result = await discordApi(`/guilds/${interaction.guild_id}/members/${userId}`, \"DELETE\", token);\n if (!result.ok) return rawReply(`Couldn't kick that member (Discord ${result.status}). Check my permissions and role position.`, EPHEMERAL);\n return reply(`👢 Kicked <@${userId}>. Reason: ${reason}`);\n }\n\n case \"ban\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.BAN)) return rawReply(\"You need **Ban Members** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const userId = String(getOption(interaction, \"user\") ?? \"\");\n const reason = String(getOption(interaction, \"reason\") ?? \"No reason provided\").slice(0, 500);\n if (!token || !userId) return rawReply(\"I need a member to ban.\", EPHEMERAL);\n const result = await discordApi(`/guilds/${interaction.guild_id}/bans/${userId}`, \"PUT\", token, { delete_message_seconds: 0 });\n if (!result.ok) return rawReply(`Couldn't ban that member (Discord ${result.status}). Check my permissions and role position.`, EPHEMERAL);\n return reply(`🔨 Banned <@${userId}>. Reason: ${reason}`);\n }\n\n case \"slowmode\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_CHANNELS)) return rawReply(\"You need **Manage Channels** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const seconds = Math.min(21600, Math.max(0, Number(getOption(interaction, \"seconds\")) || 0));\n if (!token) return rawReply(\"DISCORD_TOKEN isn't configured.\", EPHEMERAL);\n const result = await discordApi(`/channels/${interaction.channel_id}`, \"PATCH\", token, { rate_limit_per_user: seconds });\n if (!result.ok) return rawReply(\"Couldn't change slowmode. Make sure I can manage this channel.\", EPHEMERAL);\n return reply(seconds ? `🐢 Slowmode is now **${seconds}s**.` : \"🐢 Slowmode is off.\");\n }\n\n case \"lock\":\n case \"unlock\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_CHANNELS)) return rawReply(\"You need **Manage Channels** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!token) return rawReply(\"DISCORD_TOKEN isn't configured.\", EPHEMERAL);\n const locked = name === \"lock\";\n const result = await discordApi(`/channels/${interaction.channel_id}/permissions/${interaction.guild_id}`, \"PUT\", token, {\n type: 0,\n allow: locked ? \"0\" : \"2048\",\n deny: locked ? \"2048\" : \"0\",\n });\n if (!result.ok) return rawReply(\"Couldn't change the channel lock. Check my **Manage Channels** permission.\", EPHEMERAL);\n return reply(locked ? \"🔒 Channel locked. @everyone can't send messages now.\" : \"🔓 Channel unlocked. @everyone can send messages again.\");\n }\n\n case \"role\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_ROLES)) return rawReply(\"You need **Manage Roles** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const action = String(getOption(interaction, \"action\") ?? \"\").toLowerCase();\n const userId = String(getOption(interaction, \"user\") ?? \"\");\n const roleId = String(getOption(interaction, \"role\") ?? \"\");\n if (!token || !userId || !roleId || ![\"add\", \"remove\"].includes(action)) return rawReply(\"Use `add` or `remove`, plus a member and role.\", EPHEMERAL);\n const method = action === \"add\" ? \"PUT\" : \"DELETE\";\n const result = await discordApi(`/guilds/${interaction.guild_id}/members/${userId}/roles/${roleId}`, method, token);\n if (!result.ok) return rawReply(`Couldn't ${action} that role (Discord ${result.status}). Make sure my role is above it.`, EPHEMERAL);\n return reply(action === \"add\" ? `🎭 Added <@&${roleId}> to <@${userId}>.` : `🎭 Removed <@&${roleId}> from <@${userId}>.`);\n }\n\n case \"warn\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MODERATE)) return rawReply(\"You need **Moderate Members** to use this.\", EPHEMERAL);\n const userId = String(getOption(interaction, \"user\") ?? \"\");\n const reason = String(getOption(interaction, \"reason\") ?? \"No reason provided\").slice(0, 500);\n return reply(`⚠️ Warning issued to <@${userId}>. Reason: ${reason}`);\n }\n\n case \"unban\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.BAN)) return rawReply(\"You need **Ban Members** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const userId = String(getOption(interaction, \"user_id\") ?? \"\");\n if (!token || !userId) return rawReply(\"I need a user ID.\", EPHEMERAL);\n const result = await discordApi(`/guilds/${interaction.guild_id}/bans/${userId}`, \"DELETE\", token);\n if (!result.ok) return rawReply(`Couldn't unban that user (Discord ${result.status}).`, EPHEMERAL);\n return reply(`🔓 Unbanned <@${userId}>.`);\n }\n\n case \"nickname\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_NICKNAMES)) return rawReply(\"You need **Manage Nicknames** to use this.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n const userId = String(getOption(interaction, \"user\") ?? \"\");\n const nickname = String(getOption(interaction, \"nickname\") ?? \"\").slice(0, 32);\n if (!token || !userId) return rawReply(\"I need a member.\", EPHEMERAL);\n const result = await discordApi(`/guilds/${interaction.guild_id}/members/${userId}`, \"PATCH\", token, { nick: nickname || null });\n if (!result.ok) return rawReply(`Couldn't change that nickname (Discord ${result.status}).`, EPHEMERAL);\n return reply(nickname ? `✏️ Changed <@${userId}>'s nickname to **${nickname}**.` : `✏️ Cleared <@${userId}>'s nickname.`);\n }\n\n case \"announce\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages** to use this.\", EPHEMERAL);\n const msg = String(getOption(interaction, \"message\") ?? \"\").trim();\n if (!msg) return rawReply(\"Give me an announcement to post.\", EPHEMERAL);\n return new Response(JSON.stringify({ type: 4, data: {\n embeds: [{ title: \"📢 Announcement\", description: msg.slice(0, 4096), color: 0x5865F2, footer: { text: `Posted by ${author.username}` } }],\n } }), { headers: { \"Content-Type\": \"application/json\" } });\n }\n\n case \"fandomannounce\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages** to use this.\", EPHEMERAL);\n const fandom = String(getOption(interaction, \"fandom\") ?? \"\").trim().slice(0, 100);\n const msg = String(getOption(interaction, \"message\") ?? \"\").trim().slice(0, 4096);\n const roleId = String(getOption(interaction, \"role\") ?? \"\").trim();\n if (!fandom || !msg) return rawReply(\"Give me a fandom name and an announcement.\", EPHEMERAL);\n const ping = roleId ? `<@&${roleId}>` : \"\";\n return new Response(JSON.stringify({ type: 4, data: {\n content: ping,\n allowed_mentions: roleId ? { roles: [roleId] } : { parse: [] },\n embeds: [{ title: `📢 ${fandom} Announcement`, description: msg, color: 0x5865F2, footer: { text: `Posted by ${author.username}` } }],\n } }), { headers: { \"Content-Type\": \"application/json\" } });\n }\n\n case \"study\": {\n const topic = String(getOption(interaction, \"topic\") ?? \"\").trim();\n const minutes = Math.max(15, Math.min(240, Number(getOption(interaction, \"minutes\")) || 50));\n const blocks = Math.max(1, Math.ceil(minutes / 25));\n return reply(`📚 **Study plan: ${topic}**\\n\\n• ${blocks} focused block${blocks === 1 ? \"\" : \"s\"}\\n• Study for **25 minutes**\\n• Take a **5 minute break**\\n• At the end, test yourself without looking at your notes\\n\\nYou've got this! 💪`);\n }\n\n case \"quiz\": {\n const topic = String(getOption(interaction, \"topic\") ?? \"\").trim();\n return reply(`📝 **Practice quiz: ${topic}**\\n\\n1. What is the main idea of ${topic}?\\n2. Give one important example.\\n3. Explain it in your own words.\\n4. What is a common mistake?\\n5. Write one question you still have.\\n\\nSend your answers to a teacher or use /explain for help with a concept.`);\n }\n\n case \"flashcards\": {\n const topic = String(getOption(interaction, \"topic\") ?? \"\").trim();\n return reply(`🗂️ **Starter flashcards: ${topic}**\\n\\n**1. Definition** — What does ${topic} mean?\\n**2. Key idea** — What is the most important thing to remember?\\n**3. Example** — Give an example.\\n**4. Application** — When would you use it?\\n**5. Mistake check** — What mistake should you avoid?`);\n }\n\n case \"explain\": {\n const topic = String(getOption(interaction, \"topic\") ?? \"\").trim().toLowerCase();\n const explanations: Record = { algebra: \"Algebra uses letters such as x to represent unknown values. You use equivalent operations on both sides to find the unknown.\", quadratic: \"A quadratic has an x² term. Common methods include factoring, completing the square, and the quadratic formula.\", probability: \"Probability measures how likely an event is: favorable outcomes divided by total equally likely outcomes.\", derivative: \"A derivative describes instantaneous rate of change or the slope of a curve.\", integral: \"An integral represents accumulation or area and is the reverse operation of differentiation.\" };\n return reply(`📖 **${topic}**\\n\\n${explanations[topic] ?? `Break **${topic}** into: definition → key rule → worked example → practice question. If you give me a specific question, I can help you work through it step by step.`}`);\n }\n\n case \"formula\": {\n const topic = String(getOption(interaction, \"topic\") ?? \"\").trim().toLowerCase();\n const formulas: Record = { quadratic: \"x = (-b ± √(b² - 4ac)) / (2a)\", pythagorean: \"a² + b² = c²\", area: \"Rectangle: A=lw · Triangle: A=½bh · Circle: A=πr²\", slope: \"m = (y₂-y₁)/(x₂-x₁)\", distance: \"d = √((x₂-x₁)² + (y₂-y₁)²)\", circle: \"Circumference: C=2πr · Area: A=πr²\", probability: \"P(E)=favorable outcomes/total outcomes\" };\n return reply(`📐 **${topic} formula**\\n\\n${formulas[topic] ?? \"Try: quadratic, pythagorean, area, slope, distance, circle, or probability.\"}`);\n }\n\n case \"unit-convert\": {\n const value = Number(getOption(interaction, \"value\")); const from = String(getOption(interaction, \"from\") ?? \"\").toLowerCase(); const to = String(getOption(interaction, \"to\") ?? \"\").toLowerCase();\n const factors: Record = { m:1, meter:1, meters:1, km:1000, cm:.01, mm:.001, mi:1609.344, ft:.3048, yd:.9144, inch:.0254, in:.0254, kg:1, g:.001, lb:.45359237, l:1, liter:1, ml:.001 };\n if (!Number.isFinite(value) || factors[from] === undefined || factors[to] === undefined) return reply(\"📏 Supported units include m, km, cm, mm, mi, ft, yd, in, kg, g, lb, L and mL.\");\n return reply(`📏 **${value} ${from} = ${value * factors[from] / factors[to]} ${to}**`);\n }\n\n case \"grade\": {\n const scores = String(getOption(interaction, \"scores\") ?? \"\").split(/[,\\s]+/).map(Number);\n if (!scores.length || scores.some(n => !Number.isFinite(n))) return reply(\"Use scores like `/grade 80,90,75`.\");\n return reply(`📊 **Average grade: ${(scores.reduce((a,b)=>a+b,0)/scores.length).toFixed(2)}%**`);\n }\n\n case \"gpa\": {\n const grades = String(getOption(interaction, \"grades\") ?? \"\").split(/[,\\s]+/).map(Number);\n if (!grades.length || grades.some(n => !Number.isFinite(n))) return reply(\"Use GPA values like `/gpa 4,3.5,3`.\");\n return reply(`🎓 **Average GPA: ${(grades.reduce((a,b)=>a+b,0)/grades.length).toFixed(2)}**`);\n }\n\n case \"timer\": {\n const minutes = Math.max(1, Number(getOption(interaction, \"minutes\")) || 25);\n return reply(`⏱️ Set a timer for **${minutes} minutes**. Focus until it ends, then take a short break!`);\n }\n\n case \"pomodoro\": {\n const cycles = Math.max(1, Math.min(8, Number(getOption(interaction, \"cycles\")) || 4));\n return reply(`🍅 **Pomodoro plan — ${cycles} cycles**\\n\\n${Array.from({length: cycles},(_,i)=>`**${i+1}.** 25 min focus → 5 min break`).join(\"\\n\")}\\n\\nAfter the last cycle, take a longer break.`);\n }\n\n case \"quadratic\": {\n const eq = String(getOption(interaction, \"equation\") ?? \"\"); const result = solveAdvancedAlgebra(eq); return result ? reply(result) : reply(\"Try `/quadratic x^2+5x+6=0`.\");\n }\n case \"factor\": {\n const ex = String(getOption(interaction, \"expression\") ?? \"\"); const result = solveAdvancedAlgebra(ex); return result ? reply(result) : reply(\"Try `/factor x^2+5x+6`.\");\n }\n case \"simplify\": {\n try { const ex = String(getOption(interaction, \"expression\") ?? \"\"); return reply(`🧮 **Simplified value:** **${Math.round(evalMath(normalizeBasicMath(ex))*1e8)/1e8}**`); } catch { return reply(\"I can simplify numeric expressions such as `(5+3)*2`.\"); }\n }\n case \"statistics\": {\n const nums = String(getOption(interaction, \"numbers\") ?? \"\").split(/[,\\s]+/).map(Number).filter(Number.isFinite).sort((a,b)=>a-b);\n if (!nums.length) return reply(\"Give me numbers separated by commas.\"); const mean=nums.reduce((a,b)=>a+b,0)/nums.length; const mid=Math.floor(nums.length/2); const median=nums.length%2?nums[mid]:(nums[mid-1]+nums[mid])/2; return reply(`📊 **Statistics**\\nMean: **${mean}**\\nMedian: **${median}**\\nMin: **${nums[0]}**\\nMax: **${nums[nums.length-1]}**\\nRange: **${nums[nums.length-1]-nums[0]}**`);\n }\n case \"probability\": {\n const favorable=Number(getOption(interaction,\"favorable\")), total=Number(getOption(interaction,\"total\")); if(total<=0||favorable<0||favorable>total) return reply(\"Favorable outcomes must be between 0 and the total.\"); return reply(`🎲 **Probability = ${(favorable/total*100).toFixed(2)}%** (${favorable}/${total})`);\n }\n case \"geometry\": {\n const shape=String(getOption(interaction,\"shape\")??\"\").toLowerCase(); const formulas:Record={circle:\"A=πr², C=2πr\",triangle:\"A=½bh\",rectangle:\"A=lw, P=2(l+w)\",square:\"A=s², P=4s\",trapezoid:\"A=½(a+b)h\"}; return reply(`📐 **${shape}**\\n${formulas[shape]??\"Try circle, triangle, rectangle, square, or trapezoid.\"}`);\n }\n case \"trigonometry\": return reply(`📐 **Trigonometry**\\nSOHCAHTOA: sin θ = opposite/hypotenuse, cos θ = adjacent/hypotenuse, tan θ = opposite/adjacent.\\n\\nUse /math-help with a specific trig question for step-by-step help.`);\n case \"matrix\": return reply(`🔢 **Matrix help**\\nAddition: add corresponding entries.\\nMultiplication: row × column.\\n2×2 determinant: **ad−bc**.\\n\\nFor a specific matrix problem, use /math-help.`);\n case \"derivative\": return reply(`📈 **Derivative rules**\\nd/dx(xⁿ)=nxⁿ⁻¹\\nd/dx(c)=0\\nd/dx(eˣ)=eˣ\\nd/dx(ln x)=1/x\\n\\nExpression received: \\`${String(getOption(interaction,\"expression\")??\"\")}\\``);\n case \"integral\": return reply(`∫ **Common integral rules**\\n∫xⁿ dx = xⁿ⁺¹/(n+1)+C (n≠−1)\\n∫1/x dx = ln|x|+C\\n∫eˣ dx = eˣ+C\\n\\nExpression received: \\`${String(getOption(interaction,\"expression\")??\"\")}\\``);\n\n case \"remind\": {\n const msg=String(getOption(interaction,\"message\")??\"\"); const mins=Math.max(1,Number(getOption(interaction,\"minutes\"))||1); return reply(`⏰ Reminder noted: **${msg}** — in **${mins} minutes**.\\n\\n(For now, this command confirms the reminder; it does not send a future DM automatically.)`);\n }\n case \"weather\": return reply(`🌦️ Weather for **${String(getOption(interaction,\"location\")??\"\")}** needs a weather data source. I can add live weather next.`);\n case \"translate\": return reply(`🌐 Translation requested to **${String(getOption(interaction,\"language\")??\"\")}**. I can add a translation API next; text: \\`${String(getOption(interaction,\"text\")??\"\")}\\``);\n case \"giveaway\": { if(!guildOnly(interaction)) return rawReply(\"Server only.\",EPHEMERAL); if(!hasPermission(interaction,PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages**.\",EPHEMERAL); return reply(`🎁 **GIVEAWAY!**\\nPrize: **${String(getOption(interaction,\"prize\")??\"\")}**\\nReact/message with 🎉 to enter!`); }\n case \"suggest\": return reply(`💡 **Suggestion received:** ${String(getOption(interaction,\"idea\")??\"\")}\\nThanks for helping improve the server!`);\n case \"warnings\": case \"modlogs\": case \"case\": {\n if(!guildOnly(interaction)) return rawReply(\"Server only.\",EPHEMERAL); if(!hasPermission(interaction,PERM.MODERATE)) return rawReply(\"You need **Moderate Members**.\",EPHEMERAL); return reply(name===\"warnings\"?`⚠️ Warning history is ready for ${getOption(interaction,\"user\")?`<@${getOption(interaction,\"user\")}>`:`your selected member`}. Persistent warning storage can be added next.`:name===\"case\"?`📋 Case #${getOption(interaction,\"number\")} — persistent case storage is not enabled yet.`:\"📋 Moderation logs are available; persistent log storage can be added next.\");\n }\n case \"purge\": { if(!guildOnly(interaction)||!hasPermission(interaction,PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages** in a server.\",EPHEMERAL); const amount=Math.min(100,Math.max(1,Number(getOption(interaction,\"amount\"))||1)); return reply(`Use **/clear ${amount}** to remove ${amount} recent messages. /purge is now an alias helper for staff.`); }\n case \"mute\": { if(!guildOnly(interaction)||!hasPermission(interaction,PERM.MODERATE)) return rawReply(\"You need **Moderate Members** in a server.\",EPHEMERAL); const user=String(getOption(interaction,\"user\")??\"\"); const minutes=Math.max(1,Number(getOption(interaction,\"minutes\"))||1); const token=Deno.env.get(\"DISCORD_TOKEN\"); if(!token)return rawReply(\"DISCORD_TOKEN isn't configured.\",EPHEMERAL); const until=new Date(Date.now()+minutes*60000).toISOString(); const r=await discordApi(`/guilds/${interaction.guild_id}/members/${user}`,\"PATCH\",token,{communication_disabled_until:until}); return r.ok?reply(`🔇 <@${user}> muted for **${minutes} minutes**.`):rawReply(`Couldn't mute that member (Discord ${r.status}).`,EPHEMERAL); }\n case \"unmute\": { if(!guildOnly(interaction)||!hasPermission(interaction,PERM.MODERATE)) return rawReply(\"You need **Moderate Members** in a server.\",EPHEMERAL); const user=String(getOption(interaction,\"user\")??\"\"); const token=Deno.env.get(\"DISCORD_TOKEN\"); if(!token)return rawReply(\"DISCORD_TOKEN isn't configured.\",EPHEMERAL); const r=await discordApi(`/guilds/${interaction.guild_id}/members/${user}`,\"PATCH\",token,{communication_disabled_until:null}); return r.ok?reply(`🔊 <@${user}> is unmuted.`):rawReply(`Couldn't unmute that member (Discord ${r.status}).`,EPHEMERAL); }\n case \"staffhelp\": return rawReply(`🛡️ **Staff commands**\\n/warn /warnings /timeout /mute /unmute /kick /ban /unban /clear /purge /slowmode /lock /unlock /role /nickname /announce /fandomannounce /modlogs /case /giveaway` ,EPHEMERAL);\n case \"roleinfo\": { const roleId=String(getOption(interaction,\"role\")??\"\"); const role=resolved[roleId]; return reply(role?`🎭 **${role.name}**\\nID: ${role.id}`:`🎭 Role ID: ${roleId}`); }\n\n case \"invite\": {\n const appId = Deno.env.get(\"DISCORD_APP_ID\");\n if (!appId) return reply(\"No DISCORD_APP_ID set — can't build an invite link.\");\n return reply(`🔗 Invite me: https://discord.com/oauth2/authorize?client_id=${appId}&scope=bot&permissions=8`);\n }\n\n case \"ask\": {\n const q = String(getOption(interaction, \"question\") ?? \"\").trim();\n if (!q) return rawReply(\"tch you gonna ask something or just stand there?\");\n const asker = (author.username || \"YOU\").toUpperCase();\n const ai = await hyunaAI(q);\n const answer = ai ?? hyunaAsk(q);\n return rawReply(`**${asker}:** *${q}*\\n\\n${answer}`);\n }\n\n case \"calc\": {\n const expr = String(getOption(interaction, \"expression\") ?? \"\").trim();\n if (!expr) return reply(\"Give me a math expression!\");\n try {\n const clean = normalizeBasicMath(expr);\n const round = (n: number) => Math.round(n * 1e8) / 1e8;\n\n // Advanced high-school/college algebra gets priority over basic arithmetic.\n const advanced = solveAdvancedAlgebra(expr);\n if (advanced) return reply(advanced);\n\n // Common school arithmetic: percentages, powers, roots, fractions and factorials.\n const percent = clean.match(/^(-?[\\d.]+)%\\s*(?:of)?\\s*(-?[\\d.]+)$/);\n if (percent) {\n const answer = Number(percent[1]) / 100 * Number(percent[2]);\n return reply(`📚 **Percent**\\n\\`${expr}\\` = **${round(answer)}**`);\n }\n const fraction = clean.match(/^(-?\\d+)\\s*\\/\\s*(-?\\d+)$/);\n if (fraction && Number(fraction[2]) !== 0) {\n const a = Number(fraction[1]), b = Number(fraction[2]);\n const g = (x: number, y: number): number => y ? g(y, x % y) : Math.abs(x);\n const d = g(a, b);\n return reply(`📚 **Fraction**\\n\\`${expr}\\` = **${a / d}/${b / d}** = **${round(a / b)}**`);\n }\n const sqrt = clean.match(/^sqrt\\s*\$?\\s*(-?[\\d.]+)\\s*\$?$/);\n if (sqrt) {\n const n = Number(sqrt[1]);\n if (n < 0) throw new Error(\"negative square root\");\n return reply(`📐 **Square root**\\n√${n} = **${round(Math.sqrt(n))}**`);\n }\n const factorial = clean.match(/^(-?\\d+)!$/);\n if (factorial) {\n const n = Number(factorial[1]);\n if (n < 0 || n > 170) throw new Error(\"factorial range\");\n let f = 1; for (let i = 2; i <= n; i++) f *= i;\n return reply(`🧮 **Factorial**\\n${n}! = **${f}**`);\n }\n\n // Geometry formulas commonly used in school homework/exams.\n let m: RegExpMatchArray | null;\n m = clean.match(/^area\\s+(?:of\\s+)?(?:a\\s+)?rectangle\\s+([\\d.]+)\\s*[x*]\\s*([\\d.]+)$/);\n if (m) return reply(`📐 **Rectangle area** = **${round(Number(m[1]) * Number(m[2]))}**`);\n m = clean.match(/^area\\s+(?:of\\s+)?(?:a\\s+)?triangle\\s+([\\d.]+)\\s+([\\d.]+)$/);\n if (m) return reply(`📐 **Triangle area** = **${round(0.5 * Number(m[1]) * Number(m[2]))}**`);\n m = clean.match(/^area\\s+(?:of\\s+)?(?:a\\s+)?circle\\s+([\\d.]+)$/);\n if (m) return reply(`⭕ **Circle area** = **${round(Math.PI * Number(m[1]) ** 2)}**`);\n m = clean.match(/^circumference\\s+(?:of\\s+)?(?:a\\s+)?circle\\s+([\\d.]+)$/);\n if (m) return reply(`⭕ **Circle circumference** = **${round(2 * Math.PI * Number(m[1]))}**`);\n m = clean.match(/^pythagorean\\s+([\\d.]+)\\s+([\\d.]+)$/);\n if (m) return reply(`📐 **Pythagorean theorem**\\nc = √(a²+b²) = **${round(Math.hypot(Number(m[1]), Number(m[2])))}**`);\n\n // Statistics: mean/average, median, minimum, maximum and range.\n m = clean.match(/^(?:mean|average)\\s+(.+)$/);\n if (m) {\n const nums = m[1].split(/[\\s,]+/).map(Number);\n if (!nums.length || nums.some(n => !Number.isFinite(n))) throw new Error(\"bad stats\");\n return reply(`📊 **Mean** = **${round(nums.reduce((a,b) => a+b, 0) / nums.length)}**`);\n }\n m = clean.match(/^median\\s+(.+)$/);\n if (m) {\n const nums = m[1].split(/[\\s,]+/).map(Number).sort((a,b) => a-b);\n if (!nums.length || nums.some(n => !Number.isFinite(n))) throw new Error(\"bad stats\");\n const mid = Math.floor(nums.length / 2);\n const answer = nums.length % 2 ? nums[mid] : (nums[mid-1] + nums[mid]) / 2;\n return reply(`📊 **Median** = **${round(answer)}**`);\n }\n m = clean.match(/^(min|max|range)\\s+(.+)$/);\n if (m) {\n const nums = m[2].split(/[\\s,]+/).map(Number);\n if (!nums.length || nums.some(n => !Number.isFinite(n))) throw new Error(\"bad stats\");\n const answer = m[1] === \"min\" ? Math.min(...nums) : m[1] === \"max\" ? Math.max(...nums) : Math.max(...nums) - Math.min(...nums);\n return reply(`📊 **${m[1].toUpperCase()}** = **${round(answer)}**`);\n }\n\n // Linear algebra: solve common school-style linear equations.\n // Normalize implicit multiplication and a few common formats first.\n if (clean.includes(\"=\") && clean.includes(\"x\")) {\n if (!/^[0-9x+\\-*/().^=]+$/.test(clean) || clean.split(\"=\").length !== 2) throw new Error(\"invalid equation\");\n const sides = clean.split(\"=\");\n const linearize = (side: string): { a: number; b: number } => {\n const s = side.replace(/\\s+/g, \"\").replace(/-/g, \"+-\");\n const terms = s.split(\"+\").filter(Boolean);\n let a = 0, b = 0;\n for (const term of terms) {\n if (term.includes(\"(\") || term.includes(\")\") || term.includes(\"^\") || term.includes(\"/\")) throw new Error(\"unsupported algebra\");\n if (term.includes(\"x\")) {\n const coeff = term.replace(/x/g, \"\") || \"1\";\n a += coeff === \"-\" ? -1 : Number(coeff);\n } else b += Number(term);\n }\n if (!Number.isFinite(a) || !Number.isFinite(b)) throw new Error(\"invalid equation\");\n return { a, b };\n };\n const left = linearize(sides[0]), right = linearize(sides[1]);\n const denominator = left.a - right.a;\n if (denominator === 0) throw new Error(\"no unique solution\");\n const answer = round((right.b - left.b) / denominator);\n return reply(`📚 **Algebra**\\n\\`${expr}\\`\\n\\n✨ **x = ${answer}**`);\n }\n\n // Basic arithmetic. Handle the simplest exam/homework expressions directly,\n // then fall back to the full safe parser for parentheses and powers.\n const simple = clean.match(/^(-?(?:\\d+(?:\\.\\d+)?|\\.\\d+))([+\\-*/%])(-?(?:\\d+(?:\\.\\d+)?|\\.\\d+))$/);\n if (simple) {\n const a = Number(simple[1]), op = simple[2], b = Number(simple[3]);\n if (op === \"/\" && b === 0) throw new Error(\"division by zero\");\n const result = op === \"+\" ? a + b : op === \"-\" ? a - b : op === \"*\" ? a * b : op === \"/\" ? a / b : a % b;\n return reply(`🧮 **Basic math**\\n\\`${expr}\\` = **${round(result)}**`);\n }\n const result = evalMath(clean);\n return reply(`🧮 **Basic math**\\n\\`${expr}\\` = **${round(result)}**`);\n } catch {\n return reply(\"📚 I couldn't solve that yet. Try `2x+6=14`, `25% of 80`, `sqrt(144)`, `mean 5, 8, 10`, `area triangle 6 4`, or `pythagorean 3 4`.\");\n }\n }\n\n case \"timezones\": {\n return reply(`🌍 **Hyuna's timezone guide**\\n\\nI support the full IANA timezone database. Try:\\n• \\`/time zone:Asia/Tokyo\\` 🇯🇵\\n• \\`/time zone:Asia/Seoul\\` 🇰🇷\\n• \\`/time zone:Asia/Hong_Kong\\` 🇭🇰\\n• \\`/time zone:Europe/London\\` 🇬🇧\\n• \\`/time zone:Europe/Paris\\` 🇫🇷\\n• \\`/time zone:America/New_York\\` 🇺🇸\\n• \\`/time zone:America/Los_Angeles\\` 🇺🇸\\n• \\`/time zone:Australia/Sydney\\` 🇦🇺\\n• \\`/time zone:Pacific/Auckland\\` 🇳🇿\\n\\nYou can also type common city names such as **Tokyo**, **Seoul**, **London**, **Paris**, **New York**, or **Los Angeles**.`);\n }\n\n case \"time\": {\n const input = String(getOption(interaction, \"zone\") ?? \"\").trim() || \"UTC\";\n const aliases: Record = {\n \"tokyo\": \"Asia/Tokyo\", \"japan\": \"Asia/Tokyo\", \"seoul\": \"Asia/Seoul\", \"korea\": \"Asia/Seoul\", \"germany\": \"Europe/Berlin\", \"berlin\": \"Europe/Berlin\", \"russia\": \"Europe/Moscow\", \"moscow\": \"Europe/Moscow\", \"new zealand\": \"Pacific/Auckland\", \"newzealand\": \"Pacific/Auckland\", \"nz\": \"Pacific/Auckland\", \"america\": \"America/New_York\",\n \"hong kong\": \"Asia/Hong_Kong\", \"hongkong\": \"Asia/Hong_Kong\", \"hk\": \"Asia/Hong_Kong\",\n \"singapore\": \"Asia/Singapore\", \"taipei\": \"Asia/Taipei\", \"beijing\": \"Asia/Shanghai\", \"shanghai\": \"Asia/Shanghai\",\n \"bangkok\": \"Asia/Bangkok\", \"dubai\": \"Asia/Dubai\", \"mumbai\": \"Asia/Kolkata\", \"india\": \"Asia/Kolkata\",\n \"london\": \"Europe/London\", \"uk\": \"Europe/London\", \"paris\": \"Europe/Paris\", \"france\": \"Europe/Paris\",\n \"berlin\": \"Europe/Berlin\", \"rome\": \"Europe/Rome\", \"madrid\": \"Europe/Madrid\", \"moscow\": \"Europe/Moscow\",\n \"new york\": \"America/New_York\", \"nyc\": \"America/New_York\", \"eastern\": \"America/New_York\",\n \"chicago\": \"America/Chicago\", \"central\": \"America/Chicago\", \"denver\": \"America/Denver\", \"mountain\": \"America/Denver\",\n \"los angeles\": \"America/Los_Angeles\", \"la\": \"America/Los_Angeles\", \"san francisco\": \"America/Los_Angeles\", \"pacific\": \"America/Los_Angeles\",\n \"toronto\": \"America/Toronto\", \"vancouver\": \"America/Vancouver\", \"mexico city\": \"America/Mexico_City\",\n \"sao paulo\": \"America/Sao_Paulo\", \"buenos aires\": \"America/Argentina/Buenos_Aires\",\n \"sydney\": \"Australia/Sydney\", \"melbourne\": \"Australia/Melbourne\", \"brisbane\": \"Australia/Brisbane\", \"perth\": \"Australia/Perth\",\n \"auckland\": \"Pacific/Auckland\", \"new zealand\": \"Pacific/Auckland\", \"honolulu\": \"Pacific/Honolulu\",\n \"utc\": \"UTC\", \"gmt\": \"Etc/GMT\",\n };\n const cleaned = input.toLowerCase().replace(/[’']/g, \"'\").replace(/\\s+/g, \" \").trim();\n const normalized = aliases[cleaned] ?? input.trim();\n try {\n // Validate and format using the runtime's IANA timezone database.\n // Do NOT combine dateStyle/timeStyle with timeZoneName: Intl rejects that combination.\n const now = new Date();\n const formatter = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: normalized,\n weekday: \"long\",\n year: \"numeric\",\n month: \"long\",\n day: \"numeric\",\n hour: \"2-digit\",\n minute: \"2-digit\",\n second: \"2-digit\",\n hour12: true,\n timeZoneName: \"short\",\n });\n const rendered = formatter.format(now);\n if (!rendered) throw new Error(\"unknown timezone\");\n return reply(`🕐 **${input}** (${normalized}) — ${rendered}`);\n } catch {\n return reply(`tch. I don't recognize **${input}**. Try a city like \\`Tokyo\\` or an IANA timezone like \\`Asia/Tokyo\\`. Use \\`/timezones\\` for examples.`);\n }\n }\n\n case \"modmail\": {\n const msg = String(getOption(interaction, \"message\") ?? \"\").trim();\n if (!msg.trim()) return reply(\"tch. tell me what you need, then I'll pass it to staff.\");\n const staffChannel = Deno.env.get(\"STAFF_CHANNEL_ID\");\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!staffChannel || !token) {\n return reply(\"staff channel isn't set up yet. tell an admin to add `STAFF_CHANNEL_ID`.\");\n }\n const from = author.username;\n const block = `📩 **Modmail**\\n**From:** ${from}\\n**Message:** ${msg}`;\n const res = await fetch(`https://discord.com/api/v10/channels/${staffChannel}/messages`, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\", Authorization: `Bot ${token}` },\n body: JSON.stringify({ content: block }),\n });\n if (!res.ok) return reply(\"couldn't reach staff right now. try again in a bit.\");\n return reply(\"got it. I've passed your message to staff. someone'll get back to you.\");\n }\n\n case \"reply\": {\n const targetId = getOption(interaction, \"user\") as string | undefined;\n const msg = String(getOption(interaction, \"message\") ?? \"\").trim();\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!targetId || !msg.trim() || !token) return reply(\"I need a user and a message to reply with.\");\n try {\n const chRes = await fetch(`https://discord.com/api/v10/users/${targetId}/channels`, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\", Authorization: `Bot ${token}` },\n body: JSON.stringify({ recipient_id: targetId }),\n });\n if (!chRes.ok) return reply(\"couldn't open a DM with that user. they may have DMs closed.\");\n const chan = await chRes.json() as { id: string };\n const msgRes = await fetch(`https://discord.com/api/v10/channels/${chan.id}/messages`, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\", Authorization: `Bot ${token}` },\n body: JSON.stringify({ content: `📩 **Staff reply:** ${msg}` }),\n });\n if (!msgRes.ok) return reply(\"couldn't send the reply. try again.\");\n return reply(\"sent. they've got your message.\");\n } catch {\n return reply(\"something went wrong sending that. try again.\");\n }\n }\n\n case \"serverrules\": {\n if (!guildOnly(interaction)) return rawReply(\"This command only works in a server.\", EPHEMERAL);\n const rules = (await blob.getJSON(`rules:${interaction.guild_id}`)) ?? \"No custom rules have been configured yet. Ask a staff member to set them.\";\n return reply(`📜 **Server Rules**\\n\\n${rules}`);\n }\n\n case \"customcommand\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages** to manage custom commands.\", EPHEMERAL);\n const action = String(getOption(interaction, \"action\") ?? \"list\");\n const key = `custom:${interaction.guild_id}`;\n const commands = (await blob.getJSON>(key)) ?? {};\n const commandName = String(getOption(interaction, \"name\") ?? \"\").toLowerCase().replace(/[^a-z0-9_-]/g, \"\").slice(0, 32);\n const response = String(getOption(interaction, \"response\") ?? \"\").slice(0, 1500);\n if (action === \"list\") return reply(`🧩 **Custom commands**\\n${Object.keys(commands).length ? Object.keys(commands).map(n => `• /${n}`).join(\"\\\\n\") : \"No custom commands yet.\"}`);\n if (!commandName) return rawReply(\"Give the custom command a name.\", EPHEMERAL);\n if (action === \"create\") {\n if (!response) return rawReply(\"Give the custom command a response too.\", EPHEMERAL);\n commands[commandName] = response;\n await blob.setJSON(key, commands);\n return reply(`✅ Created **/${commandName}**. It will use: ${response}`);\n }\n if (action === \"delete\") {\n delete commands[commandName];\n await blob.setJSON(key, commands);\n return reply(`🗑️ Removed **/${commandName}** from Hyuna's custom-command list.`);\n }\n return rawReply(\"Use create, delete, or list.\", EPHEMERAL);\n }\n\n case \"setautorole\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_ROLES)) return rawReply(\"You need **Manage Roles**.\", EPHEMERAL);\n const roleId = String(getOption(interaction, \"role\") ?? \"\");\n await blob.setJSON(`autorole:${interaction.guild_id}`, { roleId });\n return reply(`🎭 Auto-role is set to <@&${roleId}>.\\n\\nI'll keep the setting saved; assigning it on member joins requires the bot's member-event watcher to be enabled.`);\n }\n\n case \"setlogchannel\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_CHANNELS)) return rawReply(\"You need **Manage Channels**.\", EPHEMERAL);\n const channelId = String(getOption(interaction, \"channel\") ?? \"\");\n await blob.setJSON(`logchannel:${interaction.guild_id}`, { channelId });\n return reply(`📝 Moderation log channel saved as <#${channelId}>.`);\n }\n\n case \"automod\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n if (!hasPermission(interaction, PERM.MANAGE_MESSAGES)) return rawReply(\"You need **Manage Messages**.\", EPHEMERAL);\n const action = String(getOption(interaction, \"action\") ?? \"off\");\n await blob.setJSON(`automod:${interaction.guild_id}`, { enabled: action === \"on\" });\n return reply(action === \"on\" ? \"🛡️ **AutoMod settings saved: ON.** I won't send unsolicited messages; moderation automation can use this setting when its message watcher is enabled.\" : \"🛡️ **AutoMod: OFF.**\");\n }\n\n case \"level\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n const activity = (await blob.getJSON>(`activity:${interaction.guild_id}`)) ?? {};\n const points = Number(activity[author.id]) || 0;\n const level = Math.floor(points / 10) + 1;\n return reply(`⭐ **${author.username}'s server level**\\nActivity points: **${points}**\\nLevel: **${level}**\\n\\nKeep participating to earn more levels!`);\n }\n\n case \"leaderboard\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n const activity = (await blob.getJSON>(`activity:${interaction.guild_id}`)) ?? {};\n const top = Object.entries(activity).sort((a,b) => b[1]-a[1]).slice(0, 10);\n return reply(`🏆 **Server Activity Leaderboard**\\n\\n${top.length ? top.map(([id,points],i) => `${i+1}. <@${id}> — **${points}** pts`).join(\"\\\\n\") : \"No activity recorded yet.\"}`);\n }\n\n case \"report\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n const message = String(getOption(interaction, \"message\") ?? \"\").trim();\n const staffChannel = Deno.env.get(\"STAFF_CHANNEL_ID\");\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!staffChannel || !token) return rawReply(\"Staff reporting isn't configured yet.\", EPHEMERAL);\n const sent = await discordApi(`/channels/${staffChannel}/messages`, \"POST\", token, { content: `🚩 **Server report**\\\\nFrom: <@${author.id}>\\\\n${message}` });\n if (!sent.ok) return rawReply(\"I couldn't send the report to staff.\", EPHEMERAL);\n return rawReply(\"✅ Your report was sent privately to staff.\", EPHEMERAL);\n }\n\n case \"serverstats\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n const token = Deno.env.get(\"DISCORD_TOKEN\");\n if (!token) return reply(\"DISCORD_TOKEN isn't configured.\");\n const g = await discordApi(`/guilds/${interaction.guild_id}?with_counts=true`, \"GET\", token);\n if (!g.ok) return reply(\"I couldn't fetch server statistics right now.\");\n return reply(`📊 **${g.data.name}**\\n👥 Members: **${g.data.approximate_member_count ?? \"?\"}**\\n🚀 Boosts: **${g.data.premium_subscription_count ?? 0}**\\n🛡️ Verification level: **${g.data.verification_level ?? \"?\"}**`);\n }\n\n case \"permissions\": {\n if (!guildOnly(interaction)) return rawReply(\"Server only.\", EPHEMERAL);\n const bits = BigInt(interaction.member?.permissions ?? \"0\");\n const checks = [\n [\"Manage Messages\", PERM.MANAGE_MESSAGES], [\"Manage Channels\", PERM.MANAGE_CHANNELS],\n [\"Manage Roles\", PERM.MANAGE_ROLES], [\"Kick Members\", PERM.KICK], [\"Ban Members\", PERM.BAN],\n [\"Moderate Members\", PERM.MODERATE], [\"Administrator\", PERM.ADMIN],\n ] as const;\n return reply(`🔐 **Your permissions**\\n\\n${checks.map(([label,bit]) => `${(bits & bit) !== 0n ? \"✅\" : \"❌\"} ${label}`).join(\"\\\\n\")}`);\n }\n\n case \"botinfo\":\n return reply(`🤖 **Hyuna**\\n\\nA helpful Discord bot for moderation, greetings, timezones, utilities, fandom announcements, fun commands, reports, custom commands, activity levels, and server tools.\\n\\n💬 I don't send messages on a timer — I respond when triggered.`);\n\n default:\n return reply(\"Unknown command. 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