refactor(auto-reply): split reply flow

src/auto-reply/reply/directives.ts

@@ -0,0 +1,53 @@
+import {
+  normalizeThinkLevel,
+  normalizeVerboseLevel,
+  type ThinkLevel,
+  type VerboseLevel,
+} from "../thinking.js";
+
+export function extractThinkDirective(body?: string): {
+  cleaned: string;
+  thinkLevel?: ThinkLevel;
+  rawLevel?: string;
+  hasDirective: boolean;
+} {
+  if (!body) return { cleaned: "", hasDirective: false };
+  // Match the longest keyword first to avoid partial captures (e.g. "/think:high")
+  const match = body.match(
+    /(?:^|\s)\/(?:thinking|think|t)\s*:?\s*([a-zA-Z-]+)\b/i,
+  );
+  const thinkLevel = normalizeThinkLevel(match?.[1]);
+  const cleaned = match
+    ? body.replace(match[0], "").replace(/\s+/g, " ").trim()
+    : body.trim();
+  return {
+    cleaned,
+    thinkLevel,
+    rawLevel: match?.[1],
+    hasDirective: !!match,
+  };
+}
+
+export function extractVerboseDirective(body?: string): {
+  cleaned: string;
+  verboseLevel?: VerboseLevel;
+  rawLevel?: string;
+  hasDirective: boolean;
+} {
+  if (!body) return { cleaned: "", hasDirective: false };
+  const match = body.match(
+    /(?:^|\s)\/(?:verbose|v)(?=$|\s|:)\s*:?\s*([a-zA-Z-]+)\b/i,
+  );
+  const verboseLevel = normalizeVerboseLevel(match?.[1]);
+  const cleaned = match
+    ? body.replace(match[0], "").replace(/\s+/g, " ").trim()
+    : body.trim();
+  return {
+    cleaned,
+    verboseLevel,
+    rawLevel: match?.[1],
+    hasDirective: !!match,
+  };
+}
+
+export type { ThinkLevel, VerboseLevel };