feat(service): timeout_sec без дефолта; 0=нет таймаута; operator v0.1.48

- api/v1alpha1/service_types.go: убрать +kubebuilder:default=30
- invoke.go: TimeoutSec=0 → &http.Client{} (без таймаута)
- services.go: валидация timeout_sec < 0 || > 900 → HTTP 400
- service_resource.go: TF schema Optional (без Computed); 0 → Int64Null()
- deployments/k8s/operator.yaml: v0.1.47 → v0.1.48
- doc/: progress.md + api/design.md (модель Service) + decisions/log.md
- examples/POSTGRES/: bug_hunter.sh, chaos_marathon.sh, chaos_marathon.tf

examples/POSTGRES/code/js-pg-batch/js_pg_batch.js

@@ -0,0 +1,43 @@
+// 2026-03-21 — js-pg-batch: вставляет N строк через parameterized bulk query.
+// Тестирует: async/await PG с пакетной вставкой, Node.js под нагрузкой.
+const { Client } = require('pg');
+
+async function run(event) {
+    const n = Math.min(parseInt(event.n ?? 20, 10) || 20, 200);
+    const prefix = String(event.prefix ?? 'js-batch').slice(0, 40);
+
+    const client = new Client({
+        host: process.env.PGHOST,
+        port: parseInt(process.env.PGPORT ?? '5432'),
+        database: process.env.PGDATABASE,
+        user: process.env.PGUSER,
+        password: process.env.PGPASSWORD,
+        ssl: { rejectUnauthorized: false },
+    });
+    await client.connect();
+
+    try {
+        const ts = Date.now();
+        // Строим multi-value INSERT: INSERT INTO ... VALUES ($1), ($2), ...
+        const placeholders = [];
+        const values = [];
+        for (let i = 0; i < n; i++) {
+            placeholders.push(`($${i + 1})`);
+            values.push(`${prefix}-${ts}-${i}`);
+        }
+        const sql = `INSERT INTO terraform_demo_table (title) VALUES ${placeholders.join(',')} RETURNING id`;
+        const t0 = Date.now();
+        const res = await client.query(sql, values);
+        const elapsed = (Date.now() - t0) / 1000;
+
+        return {
+            inserted: res.rowCount,
+            first_id: res.rows[0]?.id ?? null,
+            elapsed_sec: elapsed,
+        };
+    } finally {
+        await client.end();
+    }
+}
+
+module.exports = { run };