foundry-aidm-module/scripts/claude-gm.js

function formatResponse(text) {
  return text
    // Escape HTML entities first
    .replace(/&/g, "&")
    .replace(/</g, "&lt;")
    .replace(/>/g, "&gt;")
    // Bold: **text**
    .replace(/\*\*(.+?)\*\*/g, "<strong>$1</strong>")
    // Italic: *text*
    .replace(/\*(.+?)\*/g, "<em>$1</em>")
    // Dice notation: 🎲 lines get highlighted
    .replace(/^(🎲.*)$/gm, '<span style="color: #c9a33e; font-weight: bold;">$1</span>')
    // Line breaks
    .replace(/\n\n/g, "</p><p>")
    .replace(/\n/g, "<br>")
    // Wrap in paragraph
    .replace(/^(.*)$/, "<p>$1</p>");
}

Hooks.on("createChatMessage", async (chatData, options, userId) => {
	if (chatData.speaker?.alias === 'AI DM') return
	if(chatData.isRoll){
		console.log(chatData);
		const parts = [];
		const speaker = chatData.speaker?.alias || "Someone";
		const flavor = chatData.flavor || "";
		const pf2eFlags = chatData.flags?.pf2e || {};
		const pf2eContext = pf2eFlags.context || {};

		// Who rolled
		parts.push(`${speaker}`);

		// What type of roll (PF2E-specific context)
		// pf2eContext.type can be: "skill-check", "attack-roll", "damage-roll",
		// "saving-throw", "perception-check", "flat-check", "initiative", etc.
		if (pf2eContext.type) {
			parts.push(`made a ${pf2eContext.type.replace(/-/g, " ")}`);
		} else if (flavor) {
			parts.push(`rolled ${flavor.replace(/<[^>]*>/g, "")}`); // strip HTML tags
		} else {
			parts.push("rolled");
		}

		// What action/item triggered the roll (e.g. "Longsword", "Perception", "Fireball")
		const origin = pf2eFlags.origin;
		if (origin?.type && origin?.sourceId) {
			parts.push(`using ${origin.type}`);
		}

		// The strike info if it's an attack
		if (pf2eFlags.strike) {
			const strike = pf2eFlags.strike;
			if (strike.name) parts.push(`(${strike.name})`);
		}

		// Outcome for checks (PF2E stores degree of success)
		// pf2eContext.outcome can be: "criticalSuccess", "success", "failure", "criticalFailure"
		if (pf2eContext.outcome) {
			const outcomeMap = {
				criticalSuccess: "Critical Success",
				success: "Success",
				failure: "Failure",
				criticalFailure: "Critical Failure"
			};
			parts.push(`— ${outcomeMap[pf2eContext.outcome] || pf2eContext.outcome}`);
		}

		// The actual roll numbers
		const rollDetails = chatData.rolls.map(r => {
			let detail = `${r.formula} = ${r.total}`;
			// For damage rolls, try to extract damage types from the terms
			if (pf2eContext.type === "damage-roll" && r.options?.damage?.categories) {
				// Damage categories might be available
				// TODO: add in damage types
			}
			return detail;
		}).join("; ");

		parts.push(`[${rollDetails}]`);

		// DC if present (PF2E often includes the target DC)
		if (pf2eContext.dc !== undefined && pf2eContext.dc !== null) {
			const dc = typeof pf2eContext.dc === "object" ? pf2eContext.dc.value : pf2eContext.dc;
			if (dc) parts.push(`against DC ${dc}`);
		}

		// Target info
		if (pf2eContext.target) {
			const targetName = pf2eContext.target?.token?.name
				|| pf2eContext.target?.actor?.name
				|| null;
			if (targetName) parts.push(`targeting ${targetName}`);
		}

		parts.push('. ')

		// Traits (e.g. "fire", "mental", "incapacitation")
		if (pf2eContext.traits?.length > 0) {
			parts.push(`Traits: ${pf2eContext.traits.join(", ")}.`);
		}

		// Modifiers/notes from the flavor text (often contains the breakdown)
		// The flavor field in PF2E often has rich HTML with modifier breakdowns
		// We'll grab a clean text version as supplemental info
		if (flavor) {
			parts.push('Additional traits: ')
			const cleanFlavor = flavor.replace(/<[^>]*>/g, " ").replace(/\s{2,}/g, ', ').trim();
			if (cleanFlavor){
				parts.push(cleanFlavor);
			}
		}

		const rollString = `[ROLL] ${parts.join(" ")}`;
		console.log(chatData);
		console.log(rollString);
		sendToClaude(rollString, chatData.whisper, chatData.blind)
	}
})

const sendToClaude = async (content, whisper = [], blind = false) => {

	const response = await fetch('https://ai-dm-api.artisan.al/prompt', {
		method: "POST",
		headers: { "Content-Type": "application/json" },
		body: JSON.stringify({ content: content })
	});
	const data = await response.json();
	await ChatMessage.create({
		content: formatResponse(data.result),
		speaker: { alias: 'AI DM'},
		style: CONST.CHAT_MESSAGE_STYLES.IC,
		whisper:whisper,
		blind:blind
	});

}

Hooks.on("chatMessage", async (chatLog, message, chatData) => {

	const formattedContent = chatData.speaker.actor ? `${chatData.speaker.alias} says, "${message}"` : message
	const response = await fetch('https://ai-dm-api.artisan.al/prompt', {
		method: "POST",
		headers: { "Content-Type": "application/json" },
		body: JSON.stringify({ content: formattedContent })
	});
	const data = await response.json();
	await ChatMessage.create({
		content: formatResponse(data.result),
		speaker: { alias: 'AI DM'},
		style: CONST.CHAT_MESSAGE_STYLES.IC
	});

})
Hooks.once("ready", () => {
	console.log('Claude listening...');
});