import * as fs from "node:fs";

import * as path from "node:path";

import * as crypto from "node:crypto";

export function getWolfDir() {

// Prefer CLAUDE_PROJECT_DIR so hooks work even if CWD changes during a session

const projectDir = process.env.CLAUDE_PROJECT_DIR || process.cwd();

return path.join(projectDir, ".wolf");

}

/**

* Bail out silently if .wolf/ directory doesn't exist in the current project.

* Call this at the top of every hook to avoid crashes in non-OpenWolf projects.

*/

export function ensureWolfDir() {

const wolfDir = getWolfDir();

if (!fs.existsSync(wolfDir)) {

process.exit(0);

}

}

export function readJSON(filePath, fallback) {

try {

return JSON.parse(fs.readFileSync(filePath, "utf-8"));

}

catch {

return fallback;

}

}

export function writeJSON(filePath, data) {

const dir = path.dirname(filePath);

if (!fs.existsSync(dir))

fs.mkdirSync(dir, { recursive: true });

const tmp = filePath + "." + crypto.randomBytes(4).toString("hex") + ".tmp";

try {

fs.writeFileSync(tmp, JSON.stringify(data, null, 2), "utf-8");

fs.renameSync(tmp, filePath);

}

catch {

// On Windows, rename can fail if another process holds a handle.

// Fall back to direct write and clean up the tmp file.

try {

fs.writeFileSync(filePath, JSON.stringify(data, null, 2), "utf-8");

}

catch { }

try {

fs.unlinkSync(tmp);

}

catch { }

}

}

export function readMarkdown(filePath) {

try {

return fs.readFileSync(filePath, "utf-8");

}

catch {

return "";

}

}

export function appendMarkdown(filePath, line) {

const dir = path.dirname(filePath);

if (!fs.existsSync(dir))

fs.mkdirSync(dir, { recursive: true });

fs.appendFileSync(filePath, line, "utf-8");

}

export function parseAnatomy(content) {

const sections = new Map();

let currentSection = "";

for (const line of content.split("\n")) {

const sm = line.match(/^## (.+)/);

if (sm) {

currentSection = sm[1].trim();

if (!sections.has(currentSection))

sections.set(currentSection, []);

continue;

}

if (!currentSection)

continue;

const em = line.match(/^- `([^`]+)`(?:\s+—\s+(.+?))?\s*\(~(\d+)\s+tok\)$/);

if (em) {

sections.get(currentSection).push({

file: em[1],

description: em[2] || "",

tokens: parseInt(em[3], 10),

});

}

}

return sections;

}

export function serializeAnatomy(sections, metadata) {

const lines = [

"# anatomy.md",

"",

`> Auto-maintained by OpenWolf. Last scanned: ${metadata.lastScanned}`,

`> Files: ${metadata.fileCount} tracked | Anatomy hits: ${metadata.hits} | Misses: ${metadata.misses}`,

"",

];

const keys = [...sections.keys()].sort();

for (const key of keys) {

lines.push(`## ${key}`);

lines.push("");

const entries = sections.get(key).sort((a, b) => a.file.localeCompare(b.file));

for (const e of entries) {

const desc = e.description ? ` — ${e.description}` : "";

lines.push(`- \`${e.file}\`${desc} (~${e.tokens} tok)`);

}

lines.push("");

}

return lines.join("\n");

}

export function extractDescription(filePath) {

const MAX_DESC = 150;

const basename = path.basename(filePath);

const ext = path.extname(basename).toLowerCase();

const known = {

"package.json": "Node.js package manifest",

"tsconfig.json": "TypeScript configuration",

".gitignore": "Git ignore rules",

"README.md": "Project documentation",

"composer.json": "PHP package manifest",

"requirements.txt": "Python dependencies",

"schema.sql": "Database schema",

"Dockerfile": "Docker container definition",

"docker-compose.yml": "Docker Compose services",

"Cargo.toml": "Rust package manifest",

"go.mod": "Go module definition",

"Gemfile": "Ruby dependencies",

"pubspec.yaml": "Dart/Flutter package manifest",

};

if (known[basename])

return known[basename];

let content;

try {

const fd = fs.openSync(filePath, "r");

const buf = Buffer.alloc(12288); // 12KB

const n = fs.readSync(fd, buf, 0, 12288, 0);

fs.closeSync(fd);

content = buf.subarray(0, n).toString("utf-8");

}

catch {

return "";

}

if (!content.trim())

return "";

const cap = (s) => s.length <= MAX_DESC ? s : s.slice(0, MAX_DESC - 3) + "...";

// Markdown heading

if (ext === ".md" || ext === ".mdx") {

const m = content.match(/^#{1,2}\s+(.+)$/m);

if (m)

return cap(m[1].trim());

}

// HTML title

if (ext === ".html" || ext === ".htm") {

const m = content.match(/<title[^>]*>([^<]+)<\/title>/i);

if (m)

return cap(m[1].trim());

}

// JSDoc / PHPDoc / Javadoc — first meaningful line

const jm = content.match(/\/\*\*\s*\n?\s*\*?\s*(.+)/);

if (jm) {

const l = jm[1].replace(/\*\/$/, "").trim();

if (l && !l.startsWith("@") && l.length > 5)

return cap(l);

}

// Python docstring

if (ext === ".py") {

const dm = content.match(/^(?:#[^\n]*\n)*\s*(?:"""(.+?)"""|'''(.+?)''')/s);

if (dm) {

const first = (dm[1] || dm[2]).split("\n")[0].trim();

if (first && first.length > 3)

return cap(first);

}

}

// Rust doc comments

if (ext === ".rs") {

const lines = content.split("\n");

for (const line of lines.slice(0, 20)) {

const m = line.match(/^\s*(?:\/\/\/|\/\/!)\s*(.+)/);

if (m && m[1].length > 5)

return cap(m[1].trim());

}

}

// Go package comment

if (ext === ".go") {

const m = content.match(/\/\/\s*Package\s+\w+\s+(.*)/);

if (m)

return cap(m[1].trim());

}

// C# XML doc

if (ext === ".cs") {

const m = content.match(/<summary>\s*([\s\S]*?)\s*<\/summary>/);

if (m) {

const text = m[1].replace(/\/\/\/\s*/g, "").replace(/\s+/g, " ").trim();

if (text.length > 5)

return cap(text);

}

}

// Elixir @moduledoc

if (ext === ".ex" || ext === ".exs") {

const m = content.match(/@moduledoc\s+"""\s*\n\s*(.*)/);

if (m)

return cap(m[1].trim());

}

// Header comment (skip generic ones)

const hdrLines = content.split("\n");

for (const line of hdrLines.slice(0, 15)) {

const t = line.trim();

if (!t || t === "<?php" || t.startsWith("#!") || t.startsWith("namespace") || t.startsWith("use ") || t.startsWith("import ") || t.startsWith("from ") || t.startsWith("require") || t.startsWith("module "))

continue;

const cm = t.match(/^(?:\/\/|#|--)\s*(.+)/);

if (cm) {

const text = cm[1].trim();

const lower = text.toLowerCase();

if (text.length > 5 && !lower.startsWith("copyright") && !lower.startsWith("license") && !lower.startsWith("@") && !lower.startsWith("strict") && !lower.startsWith("generated") && !lower.startsWith("eslint-") && !lower.startsWith("nolint")) {

return cap(text);

}

}

if (!t.startsWith("//") && !t.startsWith("#") && !t.startsWith("/*") && !t.startsWith("*") && !t.startsWith("--"))

break;

}

// ─── PHP / Laravel ───────────────────────────────────────

if (ext === ".php") {

if (basename.endsWith(".blade.php")) {

const ext2 = content.match(/@extends\(\s*['"]([^'"]+)['"]\s*\)/);

const sections = (content.match(/@section\(\s*['"](\w+)['"]/g) || []).map(s => s.match(/['"](\w+)['"]/)?.[1]).filter(Boolean);

const parts = [];

if (ext2)

parts.push(`extends ${ext2[1]}`);

if (sections.length)

parts.push(`sections: ${sections.join(", ")}`);

return cap(parts.length ? `Blade: ${parts.join(", ")}` : "Blade template");

}

const classM = content.match(/class\s+(\w+)(?:\s+extends\s+(\w+))?/);

const className = classM?.[1] || "";

const parent = classM?.[2] || "";

const pubMethods = (content.match(/public\s+function\s+(\w+)/g) || [])

.map(m => m.match(/public\s+function\s+(\w+)/)?.[1])

.filter(n => n && n !== "__construct" && n !== "middleware");

if (basename.endsWith("Controller.php") || parent === "Controller") {

if (pubMethods.length > 0) {

const display = pubMethods.slice(0, 5).join(", ");

return cap(pubMethods.length > 5 ? `${display} + ${pubMethods.length - 5} more` : display);

}

}

if (parent === "Model" || parent === "Authenticatable") {

const parts = [];

const tbl = content.match(/\$table\s*=\s*['"]([^'"]+)['"]/);

if (tbl)

parts.push(`table: ${tbl[1]}`);

const fill = content.match(/\$fillable\s*=\s*\[([^\]]*)\]/s);

if (fill) {

const c = (fill[1].match(/['"]/g) || []).length / 2;

parts.push(`${Math.floor(c)} fields`);

}

const rels = (content.match(/\$this->(hasMany|hasOne|belongsTo|belongsToMany|morphMany|morphTo)\(/g) || []).length;

if (rels)

parts.push(`${rels} rels`);

return cap(parts.length ? `Model — ${parts.join(", ")}` : `Model: ${className}`);

}

if (basename.match(/^\d{4}_\d{2}_\d{2}/)) {

const create = content.match(/Schema::create\(\s*['"]([^'"]+)['"]/);

if (create)

return `Migration: create ${create[1]} table`;

const alter = content.match(/Schema::table\(\s*['"]([^'"]+)['"]/);

if (alter)

return `Migration: alter ${alter[1]} table`;

return "Database migration";

}

if (className && pubMethods.length > 0) {

const display = pubMethods.slice(0, 4).join(", ");

return cap(pubMethods.length > 4 ? `${className}: ${display} + ${pubMethods.length - 4} more` : `${className}: ${display}`);

}

}

// ─── TS/JS/React/Next.js ─────────────────────────────────

if (ext === ".ts" || ext === ".tsx" || ext === ".js" || ext === ".jsx" || ext === ".mjs" || ext === ".cjs") {

// React component

if (ext === ".tsx" || ext === ".jsx") {

const comp = content.match(/(?:export\s+(?:default\s+)?)?(?:function|const)\s+(\w+)/);

const parts = [];

if (comp)

parts.push(comp[1]);

const renders = [];

if (/<(?:form|Form)/i.test(content))

renders.push("form");

if (/<(?:table|Table|DataTable)/i.test(content))

renders.push("table");

if (/<(?:dialog|Dialog|Modal|Drawer)/i.test(content))

renders.push("modal");

if (renders.length)

parts.push(`renders ${renders.join(", ")}`);

if (parts.length)

return cap(parts.join(" — "));

}

// Next.js conventions

if (basename === "page.tsx" || basename === "page.js")

return "Next.js page component";

if (basename === "layout.tsx" || basename === "layout.js")

return "Next.js layout";

if (basename === "route.ts" || basename === "route.js") {

const methods = [...new Set((content.match(/export\s+(?:async\s+)?function\s+(GET|POST|PUT|PATCH|DELETE)/g) || [])

.map(m => m.match(/(GET|POST|PUT|PATCH|DELETE)/)?.[1]))].filter(Boolean);

return methods.length ? `Next.js API route: ${methods.join(", ")}` : "Next.js API route";

}

// Express/Fastify routes

const routeHits = content.match(/\.(get|post|put|patch|delete)\s*\(\s*['"`]/g);

if (routeHits && routeHits.length > 0) {

const methods = [...new Set(routeHits.map(r => r.match(/\.(get|post|put|patch|delete)/)?.[1]?.toUpperCase()))];

return cap(`API routes: ${methods.join(", ")} (${routeHits.length} endpoints)`);

}

// tRPC router

if (content.includes("createTRPCRouter") || content.includes("publicProcedure")) {

const procs = (content.match(/\.(query|mutation|subscription)\s*\(/g) || []).length;

return procs ? `tRPC router: ${procs} procedures` : "tRPC router";

}

// Zod schemas

if (content.includes("z.object") || content.includes("z.string")) {

const schemas = (content.match(/(?:export\s+)?(?:const|let)\s+(\w+)\s*=\s*z\./g) || [])

.map(s => s.match(/(?:const|let)\s+(\w+)/)?.[1]).filter(Boolean);

if (schemas.length)

return cap(`Zod schemas: ${schemas.slice(0, 4).join(", ")}${schemas.length > 4 ? ` + ${schemas.length - 4} more` : ""}`);

}

// Exports summary

const exports = (content.match(/export\s+(?:async\s+)?(?:function|class|const|interface|type|enum)\s+(\w+)/g) || [])

.map(e => e.match(/(\w+)$/)?.[1]).filter(Boolean);

if (exports.length > 0 && exports.length <= 5)

return `Exports ${exports.join(", ")}`;

if (exports.length > 5)

return cap(`Exports ${exports.slice(0, 4).join(", ")} + ${exports.length - 4} more`);

}

// ─── Python / Django / FastAPI / Flask ────────────────────

if (ext === ".py") {

// Django model

if (content.includes("models.Model")) {

const cls = content.match(/class\s+(\w+)\(.*models\.Model\)/);

const fields = (content.match(/^\s+\w+\s*=\s*models\.\w+/gm) || []).length;

return cap(`Model: ${cls?.[1] || "unknown"}, ${fields} fields`);

}

// FastAPI/Flask routes

if (content.includes("@router.") || content.includes("@app.")) {

const routes = (content.match(/@(?:router|app)\.(get|post|put|patch|delete)\s*\(/g) || []);

return cap(routes.length ? `API: ${routes.length} endpoints` : "API router");

}

// Pydantic

if (content.includes("BaseModel") && content.includes("Field(")) {

const cls = content.match(/class\s+(\w+)\(.*BaseModel\)/);

return cls ? `Pydantic: ${cls[1]}` : "Pydantic model";

}

// Celery

if (content.includes("@shared_task") || content.includes("@app.task")) {

const tasks = (content.match(/def\s+(\w+)/g) || []).map(m => m.match(/def\s+(\w+)/)?.[1]).filter(n => n && !n.startsWith("_"));

return cap(tasks.length ? `Celery tasks: ${tasks.join(", ")}` : "Celery task");

}

// Generic

const pyClass = content.match(/class\s+(\w+)/);

const funcs = (content.match(/def\s+(\w+)/g) || []).map(f => f.match(/def\s+(\w+)/)?.[1]).filter(n => n && !n.startsWith("_"));

if (pyClass && funcs.length > 0)

return cap(funcs.length > 4 ? `${pyClass[1]}: ${funcs.slice(0, 4).join(", ")} + ${funcs.length - 4} more` : `${pyClass[1]}: ${funcs.join(", ")}`);

if (funcs.length > 0)

return cap(funcs.slice(0, 4).join(", "));

}

// ─── Go ──────────────────────────────────────────────────

if (ext === ".go") {

const handlers = (content.match(/func\s+(\w+)\s*\(\s*\w+\s+http\.ResponseWriter/g) || [])

.map(m => m.match(/func\s+(\w+)/)?.[1]).filter(Boolean);

if (handlers.length)

return cap(`HTTP handlers: ${handlers.slice(0, 5).join(", ")}`);

const iface = content.match(/type\s+(\w+)\s+interface\s*\{/);

if (iface)

return `Interface: ${iface[1]}`;

const structM = content.match(/type\s+(\w+)\s+struct\s*\{/);

if (structM)

return `Struct: ${structM[1]}`;

const funcs = (content.match(/^func\s+(\w+)/gm) || []).map(m => m.match(/func\s+(\w+)/)?.[1]).filter(n => n && n[0] === n[0].toUpperCase());

if (funcs.length)

return cap(funcs.slice(0, 5).join(", "));

}

// ─── Rust ────────────────────────────────────────────────

if (ext === ".rs") {

const structM = content.match(/pub\s+struct\s+(\w+)/);

if (structM) {

const methods = (content.match(/pub\s+(?:async\s+)?fn\s+(\w+)/g) || []).map(m => m.match(/fn\s+(\w+)/)?.[1]).filter(Boolean);

return cap(methods.length ? `${structM[1]}: ${methods.slice(0, 4).join(", ")}` : `Struct: ${structM[1]}`);

}

const traitM = content.match(/pub\s+trait\s+(\w+)/);

if (traitM)

return `Trait: ${traitM[1]}`;

const enumM = content.match(/pub\s+enum\s+(\w+)/);

if (enumM)

return `Enum: ${enumM[1]}`;

const fns = (content.match(/pub\s+(?:async\s+)?fn\s+(\w+)/g) || []).map(m => m.match(/fn\s+(\w+)/)?.[1]).filter(Boolean);

if (fns.length)

return cap(fns.slice(0, 5).join(", "));

}

// ─── Java / Spring ───────────────────────────────────────

if (ext === ".java") {

const cls = content.match(/(?:public\s+)?class\s+(\w+)/);

const className = cls?.[1] || basename.replace(".java", "");

const annotations = (content.match(/@(RestController|Controller|Service|Repository|Component|Entity|Configuration)/g) || []).map(a => a.slice(1));

const mappings = (content.match(/@(?:Get|Post|Put|Patch|Delete|Request)Mapping/g) || []).length;

if (mappings)

return cap(`${annotations[0] || "Spring"}: ${className} (${mappings} endpoints)`);

if (annotations.length)

return `${annotations[0]}: ${className}`;

if (content.includes("@Entity"))

return `Entity: ${className}`;

const methods = (content.match(/public\s+(?:static\s+)?(?:\w+(?:<[\w,\s]+>)?)\s+(\w+)\s*\(/g) || [])

.map(m => m.match(/(\w+)\s*\(/)?.[1]).filter(n => n && n !== className);

if (methods.length)

return cap(`${className}: ${methods.slice(0, 4).join(", ")}`);

return className ? `Class: ${className}` : "";

}

// ─── Kotlin ──────────────────────────────────────────────

if (ext === ".kt" || ext === ".kts") {

const cls = content.match(/(?:data\s+)?class\s+(\w+)/);

if (content.match(/data\s+class/))

return `Data class: ${cls?.[1] || basename.replace(/\.kts?$/, "")}`;

if (content.includes("routing {"))

return "Ktor routing";

const fns = (content.match(/fun\s+(\w+)/g) || []).map(m => m.match(/fun\s+(\w+)/)?.[1]).filter(Boolean);

if (cls && fns.length)

return cap(`${cls[1]}: ${fns.slice(0, 4).join(", ")}`);

if (fns.length)

return cap(fns.slice(0, 5).join(", "));

}

// ─── C# / .NET ───────────────────────────────────────────

if (ext === ".cs") {

const cls = content.match(/(?:public\s+)?(?:partial\s+)?class\s+(\w+)(?:\s*:\s*(\w+))?/);

const className = cls?.[1] || basename.replace(".cs", "");

const parent = cls?.[2] || "";

if (parent === "Controller" || parent === "ControllerBase" || content.includes("[ApiController]")) {

const actions = (content.match(/\[Http(Get|Post|Put|Patch|Delete)\]/g) || []).map(a => a.match(/Http(\w+)/)?.[1]).filter(Boolean);

return cap(actions.length ? `API Controller: ${className} (${[...new Set(actions)].join(", ")})` : `Controller: ${className}`);

}

if (parent === "DbContext" || content.includes("DbSet<")) {

const sets = (content.match(/DbSet<(\w+)>/g) || []).map(s => s.match(/<(\w+)>/)?.[1]).filter(Boolean);

return cap(sets.length ? `DbContext: ${sets.join(", ")}` : `DbContext: ${className}`);

}

return className ? `Class: ${className}` : "";

}

// ─── Ruby / Rails ────────────────────────────────────────

if (ext === ".rb") {

const cls = content.match(/class\s+(\w+)(?:\s*<\s*(\w+(?:::\w+)?))?/);

const className = cls?.[1] || "";

const parent = cls?.[2] || "";

if (parent?.includes("Controller")) {

const actions = (content.match(/def\s+(index|show|new|create|edit|update|destroy|\w+)/g) || [])

.map(m => m.match(/def\s+(\w+)/)?.[1]).filter(n => n && !n.startsWith("_"));

return cap(actions.length ? `Controller: ${actions.join(", ")}` : `Controller: ${className}`);

}

if (parent === "ApplicationRecord" || parent === "ActiveRecord::Base")

return `Model: ${className}`;

if (basename.match(/^\d{14}_/)) {

const create = content.match(/create_table\s+:(\w+)/);

return create ? `Migration: create ${create[1]}` : "Database migration";

}

const methods = (content.match(/def\s+(\w+)/g) || []).map(m => m.match(/def\s+(\w+)/)?.[1]).filter(n => n && !n.startsWith("_"));

if (cls && methods.length)

return cap(`${className}: ${methods.slice(0, 4).join(", ")}`);

}

// ─── Swift ───────────────────────────────────────────────

if (ext === ".swift") {

if (content.includes(": View") || content.includes("some View")) {

const name = content.match(/struct\s+(\w+)\s*:\s*View/);

return name ? `SwiftUI view: ${name[1]}` : "SwiftUI view";

}

const proto = content.match(/protocol\s+(\w+)/);

if (proto)

return `Protocol: ${proto[1]}`;

const struct = content.match(/(?:public\s+)?struct\s+(\w+)/);

const cls = content.match(/(?:public\s+)?class\s+(\w+)/);

const name = struct?.[1] || cls?.[1] || "";

if (name)

return `${struct ? "Struct" : "Class"}: ${name}`;

}

// ─── Dart / Flutter ──────────────────────────────────────

if (ext === ".dart") {

if (content.includes("StatefulWidget") || content.includes("StatelessWidget")) {

const name = content.match(/class\s+(\w+)\s+extends\s+(?:Stateful|Stateless)Widget/);

return name ? `${content.includes("StatefulWidget") ? "Stateful" : "Stateless"} widget: ${name[1]}` : "Flutter widget";

}

const cls = content.match(/class\s+(\w+)/);

if (cls)

return `Class: ${cls[1]}`;

}

// ─── Vue / Svelte / Astro ────────────────────────────────

if (ext === ".vue") {

const name = content.match(/name:\s*['"]([^'"]+)['"]/);

const setup = content.includes("<script setup");

const parts = [];

if (name)

parts.push(name[1]);

if (setup)

parts.push("setup");

return cap(parts.length ? `Vue: ${parts.join(", ")}` : "Vue component");

}

if (ext === ".svelte")

return `Svelte: ${basename.replace(".svelte", "")}`;

if (ext === ".astro")

return `Astro: ${basename.replace(".astro", "")}`;

// ─── CSS / SCSS / Less ───────────────────────────────────

if (ext === ".css" || ext === ".scss" || ext === ".less") {

const rules = (content.match(/^[.#@][^\n{]+/gm) || []).length;

const vars = (content.match(/--[\w-]+\s*:/g) || []).length;

const parts = [];

if (rules)

parts.push(`${rules} rules`);

if (vars)

parts.push(`${vars} vars`);

return cap(parts.length ? `Styles: ${parts.join(", ")}` : "Stylesheet");

}

// ─── SQL ─────────────────────────────────────────────────

if (ext === ".sql") {

const creates = (content.match(/CREATE\s+TABLE\s+(?:IF\s+NOT\s+EXISTS\s+)?[`"']?(\w+)/gi) || [])

.map(m => m.match(/(?:TABLE\s+(?:IF\s+NOT\s+EXISTS\s+)?)([`"']?\w+)/i)?.[1]?.replace(/[`"']/g, "")).filter(Boolean);

if (creates.length)

return cap(`SQL: tables: ${creates.slice(0, 4).join(", ")}`);

}

// ─── Proto / GraphQL ─────────────────────────────────────

if (ext === ".proto") {

const msgs = (content.match(/message\s+(\w+)/g) || []).map(m => m.match(/message\s+(\w+)/)?.[1]).filter(Boolean);

const services = (content.match(/service\s+(\w+)/g) || []).map(m => m.match(/service\s+(\w+)/)?.[1]).filter(Boolean);

const parts = [];

if (msgs.length)

parts.push(`messages: ${msgs.slice(0, 3).join(", ")}`);

if (services.length)

parts.push(`services: ${services.join(", ")}`);

return cap(parts.length ? `Proto: ${parts.join(", ")}` : "");

}

if (ext === ".graphql" || ext === ".gql") {

const types = (content.match(/type\s+(\w+)/g) || []).map(m => m.match(/type\s+(\w+)/)?.[1]).filter(Boolean);

return cap(types.length ? `GraphQL: types: ${types.slice(0, 4).join(", ")}` : "GraphQL schema");

}

// ─── YAML ────────────────────────────────────────────────

if (ext === ".yaml" || ext === ".yml") {

if (content.includes("runs-on:")) {

const name = content.match(/^name:\s*(.+)$/m);

return cap(name ? `CI: ${name[1].trim()}` : "GitHub Actions workflow");

}

if (content.includes("apiVersion:") && content.includes("kind:")) {

const kind = content.match(/kind:\s*(\w+)/);

return cap(kind ? `K8s ${kind[1]}` : "Kubernetes manifest");

}

if (content.includes("services:") && (basename.includes("docker") || basename.includes("compose"))) {

const services = (content.match(/^\s{2}\w+:/gm) || []).length;

return `Docker Compose: ${services} services`;

}

}

// ─── TOML ────────────────────────────────────────────────

if (ext === ".toml") {

const desc = content.match(/^description\s*=\s*"([^"]+)"/m);

if (desc)

return cap(desc[1]);

}

// ─── Elixir ──────────────────────────────────────────────

if (ext === ".ex" || ext === ".exs") {

const mod = content.match(/defmodule\s+([\w.]+)/);

if (content.includes("Phoenix.LiveView"))

return cap(mod ? `LiveView: ${mod[1]}` : "Phoenix LiveView");

if (content.includes("Controller"))

return cap(mod ? `Phoenix controller: ${mod[1]}` : "Phoenix controller");

const fns = (content.match(/def\s+(\w+)/g) || []).map(m => m.match(/def\s+(\w+)/)?.[1]).filter(Boolean);

if (mod && fns.length)

return cap(`${mod[1]}: ${fns.slice(0, 4).join(", ")}`);

if (mod)

return mod[1];

}

// ─── Lua ─────────────────────────────────────────────────

if (ext === ".lua") {

const fns = (content.match(/function\s+(?:\w+[.:])?(\w+)/g) || []).map(m => m.match(/(\w+)\s*$/)?.[1]).filter(Boolean);

if (fns.length)

return cap(fns.slice(0, 5).join(", "));

}

// ─── Zig ─────────────────────────────────────────────────

if (ext === ".zig") {

const fns = (content.match(/pub\s+fn\s+(\w+)/g) || []).map(m => m.match(/fn\s+(\w+)/)?.[1]).filter(Boolean);

if (fns.length)

return cap(fns.slice(0, 5).join(", "));

}

// Last resort

const declM = content.match(/(?:function|class|const|interface|type|enum)\s+(\w+)/);

if (declM) {

const name = declM[1];

const methods = (content.match(/(?:public\s+)?(?:async\s+)?(?:function\s+|(?:get|set)\s+)(\w+)\s*\(/g) || [])

.map(m => m.match(/(\w+)\s*\(/)?.[1]).filter(n => n && n !== name && n !== "__construct" && n !== "constructor");

if (methods.length > 0 && methods.length <= 5)

return cap(`${name}: ${methods.join(", ")}`);

if (methods.length > 5)

return cap(`${name}: ${methods.slice(0, 3).join(", ")} + ${methods.length - 3} more`);

return `Declares ${name}`;

}

return "";

}

export function estimateTokens(text, type = "mixed") {

const ratio = type === "code" ? 3.5 : type === "prose" ? 4.0 : 3.75;

return Math.ceil(text.length / ratio);

}

export function timestamp() {

return new Date().toISOString();

}

export function timeShort() {

const d = new Date();

return `${String(d.getHours()).padStart(2, "0")}:${String(d.getMinutes()).padStart(2, "0")}`;

}

export function readStdin() {

return new Promise((resolve) => {

const chunks = [];

process.stdin.on("data", (chunk) => chunks.push(chunk));

process.stdin.on("end", () => resolve(Buffer.concat(chunks).toString("utf-8")));

// If no stdin data after 4s, resolve with whatever we have so far.

// On Windows, stdin delivery from Claude Code hooks can be slow.

setTimeout(() => resolve(chunks.length ? Buffer.concat(chunks).toString("utf-8") : "{}"), 4000);

});

}

export function normalizePath(p) {

return p.replace(/\\/g, "/");

}

//# sourceMappingURL=shared.js.map