feat(agent): add initial harness foundation

2026-05-03 00:35:36 +02:00
parent 7268e9a9fd
commit a5b27367d3
12 changed files with 3678 additions and 0 deletions
@@ -0,0 +1,51 @@
+import type { PromptTemplate } from "./types.js";
+
+export function parseCommandArgs(argsString: string): string[] {
+	const args: string[] = [];
+	let current = "";
+	let inQuote: string | null = null;
+
+	for (let i = 0; i < argsString.length; i++) {
+		const char = argsString[i]!;
+		if (inQuote) {
+			if (char === inQuote) inQuote = null;
+			else current += char;
+		} else if (char === '"' || char === "'") {
+			inQuote = char;
+		} else if (char === " " || char === "\t") {
+			if (current) {
+				args.push(current);
+				current = "";
+			}
+		} else {
+			current += char;
+		}
+	}
+	if (current) args.push(current);
+	return args;
+}
+
+export function substituteArgs(content: string, args: string[]): string {
+	let result = content;
+	result = result.replace(/\$(\d+)/g, (_, num: string) => args[parseInt(num, 10) - 1] ?? "");
+	result = result.replace(/\$\{@:(\d+)(?::(\d+))?\}/g, (_, startStr: string, lengthStr?: string) => {
+		let start = parseInt(startStr, 10) - 1;
+		if (start < 0) start = 0;
+		if (lengthStr) return args.slice(start, start + parseInt(lengthStr, 10)).join(" ");
+		return args.slice(start).join(" ");
+	});
+	const allArgs = args.join(" ");
+	result = result.replace(/\$ARGUMENTS/g, allArgs);
+	result = result.replace(/\$@/g, allArgs);
+	return result;
+}
+
+export function expandPromptTemplate(text: string, templates: PromptTemplate[]): string {
+	if (!text.startsWith("/")) return text;
+	const spaceIndex = text.indexOf(" ");
+	const commandName = spaceIndex === -1 ? text.slice(1) : text.slice(1, spaceIndex);
+	const argsString = spaceIndex === -1 ? "" : text.slice(spaceIndex + 1);
+	const template = templates.find((candidate) => candidate.name === commandName);
+	if (!template) return text;
+	return substituteArgs(template.content, parseCommandArgs(argsString));
+}