diff --git a/tests/skills/build-webtest-db.mjs b/tests/skills/build-webtest-db.mjs
index de65d2dd..addfd7d6 100644
--- a/tests/skills/build-webtest-db.mjs
+++ b/tests/skills/build-webtest-db.mjs
@@ -1,8 +1,12 @@
 #!/usr/bin/env node
-// build-webtest-db v0.1 — Собирает синтетическую web-test конфигурацию в постоянные пути
+// build-webtest-db v0.2 — Собирает синтетическую web-test конфигурацию в постоянные пути
 // и накатывает её в зарегистрированную базу `webtest` (см. .v8-project.json).
 //
-// Usage:
+// Двойной режим:
+//   - CLI: node tests/skills/build-webtest-db.mjs [--runtime ...] [--skip-platform]
+//   - Module: import { runSteps, execSkill, getProjectInfo, ... } from './build-webtest-db.mjs'
+//
+// CLI:
 //   node tests/skills/build-webtest-db.mjs                 # пересобрать с нуля
 //   node tests/skills/build-webtest-db.mjs --runtime python
 //   node tests/skills/build-webtest-db.mjs --skip-platform # только XML, без db-create/load/update
@@ -12,179 +16,236 @@
 import { execFile } from 'child_process';
 import { existsSync, mkdirSync, rmSync, readFileSync, writeFileSync } from 'fs';
 import { join, resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
 
-const ROOT      = resolve(dirname(new URL(import.meta.url).pathname).replace(/^\/([A-Z]:)/i, '$1'));
+const __filename = fileURLToPath(import.meta.url);
+const ROOT      = dirname(__filename);
 const REPO_ROOT = resolve(ROOT, '../..');
 const SKILLS    = resolve(REPO_ROOT, '.claude/skills');
 
-// ── CLI ────────────────────────────────────────────────────────────────────────
-const argv = process.argv.slice(2);
-const opts = { runtime: 'powershell', skipPlatform: false };
-for (let i = 0; i < argv.length; i++) {
-  const a = argv[i];
-  if (a === '--runtime' && argv[i + 1]) { opts.runtime = argv[++i]; continue; }
-  if (a === '--skip-platform') { opts.skipPlatform = true; continue; }
-  if (a === '-h' || a === '--help') {
-    console.log('Usage: build-webtest-db.mjs [--runtime powershell|python] [--skip-platform]');
-    process.exit(0);
-  }
+// ── Public API ────────────────────────────────────────────────────────────────
+
+/**
+ * Reads .v8-project.json and locates webtest registration.
+ * @returns {{ v8path: string, v8exe: string, webtestDb: object, configSrc: string, dbPath: string }}
+ */
+export function getProjectInfo() {
+  const projectFile = join(REPO_ROOT, '.v8-project.json');
+  if (!existsSync(projectFile)) throw new Error('.v8-project.json not found');
+  const proj = JSON.parse(readFileSync(projectFile, 'utf8'));
+  const webtestDb = proj.databases?.find(d => d.id === 'webtest');
+  if (!webtestDb) throw new Error('Database "webtest" not registered in .v8-project.json');
+  const v8path  = proj.v8path;
+  const v8exe   = join(v8path, '1cv8.exe');
+  const dbPath  = webtestDb.path;
+  const configSrc = resolve(REPO_ROOT, webtestDb.configSrc);
+  return { v8path, v8exe, webtestDb, configSrc, dbPath };
 }
 
-// ── Locate webtest DB in .v8-project.json ──────────────────────────────────────
-const projectFile = join(REPO_ROOT, '.v8-project.json');
-if (!existsSync(projectFile)) { console.error('.v8-project.json not found'); process.exit(1); }
-const proj = JSON.parse(readFileSync(projectFile, 'utf8'));
-const webtestDb = proj.databases?.find(d => d.id === 'webtest');
-if (!webtestDb) { console.error('Database "webtest" not registered in .v8-project.json'); process.exit(1); }
-
-const v8path  = proj.v8path;
-const v8exe   = join(v8path, '1cv8.exe');
-const dbPath  = webtestDb.path;
-const configSrc = resolve(REPO_ROOT, webtestDb.configSrc);
-
-if (!opts.skipPlatform && !existsSync(v8exe)) {
-  console.error(`1cv8.exe not found at ${v8exe}`);
-  process.exit(1);
-}
-
-// ── Reset target dirs ──────────────────────────────────────────────────────────
-console.log(`[build-webtest-db] configSrc: ${configSrc}`);
-console.log(`[build-webtest-db] dbPath:    ${dbPath}`);
-console.log(`[build-webtest-db] runtime:   ${opts.runtime}`);
-console.log('');
-
-if (existsSync(configSrc)) {
-  console.log(`Removing existing configSrc...`);
-  rmSync(configSrc, { recursive: true, force: true, maxRetries: 5, retryDelay: 200 });
-}
-mkdirSync(configSrc, { recursive: true });
-
-if (!opts.skipPlatform && existsSync(dbPath)) {
-  console.log(`Removing existing IB...`);
-  rmSync(dbPath, { recursive: true, force: true, maxRetries: 5, retryDelay: 200 });
-}
-
-// ── Import build steps ─────────────────────────────────────────────────────────
-const buildModule = await import(`file://${join(ROOT, 'integration/build-webtest-config.test.mjs').replace(/\\/g, '/')}`);
-const buildSteps = buildModule.steps;
-
-// Append platform load steps (same as old platform-webtest-config.test.mjs)
-const platformSteps = opts.skipPlatform ? [] : [
-  {
-    name: 'db-create: создание файловой ИБ',
-    script: 'db-create/scripts/db-create',
-    args: { '-V8Path': '{v8path}', '-InfoBasePath': '{dbPath}' },
-  },
-  {
-    name: 'db-load-xml: загрузка конфигурации',
-    script: 'db-load-xml/scripts/db-load-xml',
-    args: { '-V8Path': '{v8path}', '-InfoBasePath': '{dbPath}', '-ConfigDir': '{workDir}' },
-  },
-  {
-    name: 'db-update: обновление БД',
-    script: 'db-update/scripts/db-update',
-    args: { '-V8Path': '{v8path}', '-InfoBasePath': '{dbPath}' },
-  },
-];
-
-const allSteps = [...buildSteps, ...platformSteps];
-
-// ── Step executor (mirrors runner.mjs runIntegrationTest) ──────────────────────
-function resolveScript(scriptRelPath) {
-  const ext = opts.runtime === 'python' ? '.py' : '.ps1';
+/**
+ * Resolves a skill script path to an absolute file (chooses .ps1 or .py based on runtime).
+ */
+export function resolveScript(scriptRelPath, runtime = 'powershell') {
+  const ext = runtime === 'python' ? '.py' : '.ps1';
   const full = join(SKILLS, scriptRelPath + ext);
   if (!existsSync(full)) throw new Error(`Script not found: ${full}`);
   return full;
 }
 
-function execSkill(scriptPath, args) {
-  return new Promise((resolve, reject) => {
-    const cmd = opts.runtime === 'python'
+/**
+ * Executes a single skill script with provided arguments.
+ * @returns {Promise<string>} stdout
+ */
+export function execSkill(scriptPath, args, runtime = 'powershell') {
+  return new Promise((res, rej) => {
+    const cmd = runtime === 'python'
       ? [process.env.PYTHON || 'python', [scriptPath, ...args]]
       : ['powershell.exe', ['-NoProfile', '-NonInteractive', '-ExecutionPolicy', 'Bypass', '-File', scriptPath, ...args]];
     execFile(cmd[0], cmd[1], { encoding: 'utf8', timeout: 120_000, cwd: REPO_ROOT }, (err, stdout, stderr) => {
       if (err) {
-        const e = new Error(stderr?.trim() || stdout?.trim() || err.message);
-        reject(e);
+        rej(new Error(stderr?.trim() || stdout?.trim() || err.message));
       } else {
-        resolve(stdout);
+        res(stdout);
       }
     });
   });
 }
 
-const replacePlaceholders = (s) => String(s)
-  .replace('{workDir}', configSrc)
-  .replace('{v8path}', v8path)
-  .replace('{dbPath}', dbPath);
+/**
+ * Replaces {workDir}/{v8path}/{dbPath} placeholders in a string value.
+ */
+export function replacePlaceholders(s, paths) {
+  return String(s)
+    .replace('{workDir}', paths.workDir ?? '')
+    .replace('{v8path}',  paths.v8path  ?? '')
+    .replace('{dbPath}',  paths.dbPath  ?? '');
+}
 
-const t0 = Date.now();
-let failed = false;
+/**
+ * Executes an array of build steps.
+ *
+ * Each step: { name, script?, args?, input?, writeFile?, content? }
+ *   - writeFile: write content to a file (relative to workDir or absolute), skip script call
+ *   - script: relative path under .claude/skills (without extension)
+ *   - args: { '-Flag': value | true }, value may contain {workDir}/{v8path}/{dbPath}/{inputFile}
+ *   - input: JSON object written to __input.json (referenced by {inputFile} in args)
+ *
+ * @param {Array} steps
+ * @param {{ workDir: string, v8path: string, dbPath: string }} paths
+ * @param {string} runtime  'powershell' | 'python'
+ * @param {(line: string) => void} log
+ * @returns {Promise<{ ok: boolean, elapsed: number, failedAt?: number }>}
+ */
+export async function runSteps(steps, paths, runtime, log = console.log) {
+  const t0 = Date.now();
+  for (let i = 0; i < steps.length; i++) {
+    const step = steps[i];
+    const stepT0 = Date.now();
 
-for (let i = 0; i < allSteps.length; i++) {
-  const step = allSteps[i];
-  const stepT0 = Date.now();
-
-  // writeFile shortcut
-  if (step.writeFile) {
-    try {
-      const target = replacePlaceholders(step.writeFile);
-      const abs = target.includes(':') || target.startsWith('/') ? target : join(configSrc, target);
-      mkdirSync(dirname(abs), { recursive: true });
-      writeFileSync(abs, step.content ?? '', 'utf8');
-      const ms = Date.now() - stepT0;
-      console.log(`  [${i + 1}/${allSteps.length}] OK  ${step.name}  (${(ms / 1000).toFixed(1)}s)`);
-    } catch (e) {
-      console.error(`  [${i + 1}/${allSteps.length}] FAIL ${step.name}: ${e.message}`);
-      failed = true;
-      break;
+    if (step.writeFile) {
+      try {
+        const target = replacePlaceholders(step.writeFile, paths);
+        const abs = target.includes(':') || target.startsWith('/') ? target : join(paths.workDir, target);
+        mkdirSync(dirname(abs), { recursive: true });
+        writeFileSync(abs, step.content ?? '', 'utf8');
+        const ms = Date.now() - stepT0;
+        log(`  [${i + 1}/${steps.length}] OK  ${step.name}  (${(ms / 1000).toFixed(1)}s)`);
+      } catch (e) {
+        log(`  [${i + 1}/${steps.length}] FAIL ${step.name}: ${e.message}`);
+        return { ok: false, elapsed: (Date.now() - t0) / 1000, failedAt: i };
+      }
+      continue;
     }
-    continue;
-  }
 
-  // Input JSON
-  let inputFile = null;
-  if (step.input) {
-    inputFile = join(configSrc, '__input.json');
-    writeFileSync(inputFile, JSON.stringify(step.input, null, 2), 'utf8');
-  }
+    let inputFile = null;
+    if (step.input) {
+      inputFile = join(paths.workDir, '__input.json');
+      writeFileSync(inputFile, JSON.stringify(step.input, null, 2), 'utf8');
+    }
 
-  // Resolve args
-  const script = resolveScript(step.script);
-  const args = [];
-  for (const [flag, value] of Object.entries(step.args || {})) {
-    args.push(flag);
-    if (value === true) continue;
-    let v = String(value).replace('{inputFile}', inputFile || '');
-    v = replacePlaceholders(v);
-    args.push(v);
-  }
+    const script = resolveScript(step.script, runtime);
+    const args = [];
+    for (const [flag, value] of Object.entries(step.args || {})) {
+      args.push(flag);
+      if (value === true) continue;
+      let v = String(value).replace('{inputFile}', inputFile || '');
+      v = replacePlaceholders(v, paths);
+      args.push(v);
+    }
 
-  try {
-    await execSkill(script, args);
-    if (inputFile && existsSync(inputFile)) rmSync(inputFile);
-    const ms = Date.now() - stepT0;
-    console.log(`  [${i + 1}/${allSteps.length}] OK  ${step.name}  (${(ms / 1000).toFixed(1)}s)`);
-  } catch (e) {
-    if (inputFile && existsSync(inputFile)) rmSync(inputFile);
-    console.error(`  [${i + 1}/${allSteps.length}] FAIL ${step.name}`);
-    console.error(`    ${e.message.split('\n').join('\n    ').substring(0, 1500)}`);
-    failed = true;
-    break;
+    try {
+      await execSkill(script, args, runtime);
+      if (inputFile && existsSync(inputFile)) rmSync(inputFile);
+      const ms = Date.now() - stepT0;
+      log(`  [${i + 1}/${steps.length}] OK  ${step.name}  (${(ms / 1000).toFixed(1)}s)`);
+    } catch (e) {
+      if (inputFile && existsSync(inputFile)) rmSync(inputFile);
+      log(`  [${i + 1}/${steps.length}] FAIL ${step.name}`);
+      log(`    ${e.message.split('\n').join('\n    ').substring(0, 1500)}`);
+      return { ok: false, elapsed: (Date.now() - t0) / 1000, failedAt: i };
+    }
   }
+  return { ok: true, elapsed: (Date.now() - t0) / 1000 };
 }
 
-const elapsed = ((Date.now() - t0) / 1000).toFixed(1);
-console.log('');
-if (failed) {
-  console.error(`Build FAILED after ${elapsed}s`);
-  process.exit(1);
+/**
+ * Returns the standard platform load steps (db-create + db-load-xml + db-update).
+ */
+export function platformLoadSteps() {
+  return [
+    {
+      name: 'db-create: создание файловой ИБ',
+      script: 'db-create/scripts/db-create',
+      args: { '-V8Path': '{v8path}', '-InfoBasePath': '{dbPath}' },
+    },
+    {
+      name: 'db-load-xml: загрузка конфигурации',
+      script: 'db-load-xml/scripts/db-load-xml',
+      args: { '-V8Path': '{v8path}', '-InfoBasePath': '{dbPath}', '-ConfigDir': '{workDir}' },
+    },
+    {
+      name: 'db-update: обновление БД',
+      script: 'db-update/scripts/db-update',
+      args: { '-V8Path': '{v8path}', '-InfoBasePath': '{dbPath}' },
+    },
+  ];
 }
-console.log(`Build OK (${elapsed}s)`);
-console.log('');
-console.log(`  configSrc: ${configSrc}`);
-if (!opts.skipPlatform) {
-  console.log(`  IB:        ${dbPath}`);
+
+/**
+ * Imports the build-webtest-config.test.mjs steps array.
+ */
+export async function loadBuildSteps() {
+  const buildModule = await import(`file://${join(ROOT, 'integration/build-webtest-config.test.mjs').replace(/\\/g, '/')}`);
+  return buildModule.steps;
+}
+
+// ── CLI ────────────────────────────────────────────────────────────────────────
+
+async function runCli() {
+  const argv = process.argv.slice(2);
+  const opts = { runtime: 'powershell', skipPlatform: false };
+  for (let i = 0; i < argv.length; i++) {
+    const a = argv[i];
+    if (a === '--runtime' && argv[i + 1]) { opts.runtime = argv[++i]; continue; }
+    if (a === '--skip-platform') { opts.skipPlatform = true; continue; }
+    if (a === '-h' || a === '--help') {
+      console.log('Usage: build-webtest-db.mjs [--runtime powershell|python] [--skip-platform]');
+      process.exit(0);
+    }
+  }
+
+  const { v8path, v8exe, configSrc, dbPath } = getProjectInfo();
+
+  if (!opts.skipPlatform && !existsSync(v8exe)) {
+    console.error(`1cv8.exe not found at ${v8exe}`);
+    process.exit(1);
+  }
+
+  console.log(`[build-webtest-db] configSrc: ${configSrc}`);
+  console.log(`[build-webtest-db] dbPath:    ${dbPath}`);
+  console.log(`[build-webtest-db] runtime:   ${opts.runtime}`);
   console.log('');
-  console.log(`  Next: /web-publish webtest  →  open in browser`);
+
+  if (existsSync(configSrc)) {
+    console.log(`Removing existing configSrc...`);
+    rmSync(configSrc, { recursive: true, force: true, maxRetries: 5, retryDelay: 200 });
+  }
+  mkdirSync(configSrc, { recursive: true });
+
+  if (!opts.skipPlatform && existsSync(dbPath)) {
+    console.log(`Removing existing IB...`);
+    rmSync(dbPath, { recursive: true, force: true, maxRetries: 5, retryDelay: 200 });
+  }
+
+  const buildSteps = await loadBuildSteps();
+  const platformSteps = opts.skipPlatform ? [] : platformLoadSteps();
+  const allSteps = [...buildSteps, ...platformSteps];
+
+  const paths = { workDir: configSrc, v8path, dbPath };
+  const result = await runSteps(allSteps, paths, opts.runtime, console.log);
+
+  console.log('');
+  if (!result.ok) {
+    console.error(`Build FAILED after ${result.elapsed.toFixed(1)}s`);
+    process.exit(1);
+  }
+  console.log(`Build OK (${result.elapsed.toFixed(1)}s)`);
+  console.log('');
+  console.log(`  configSrc: ${configSrc}`);
+  if (!opts.skipPlatform) {
+    console.log(`  IB:        ${dbPath}`);
+    console.log('');
+    console.log(`  Next: /web-publish webtest  →  open in browser`);
+  }
+}
+
+// CLI guard: run only when invoked directly, not when imported.
+const invokedDirectly = process.argv[1]
+  ? fileURLToPath(import.meta.url) === resolve(process.argv[1])
+  : false;
+if (invokedDirectly) {
+  runCli().catch(e => {
+    console.error(e.message);
+    process.exit(1);
+  });
 }