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/pg-search/pg_search.py

@@ -0,0 +1,36 @@
+# 2026-03-21 — pg-search: полнотекстовый поиск по title через ILIKE + LIMIT/OFFSET.
+# Тестирует: пагинацию, спецсимволы в input (XSS, SQL injection attempt → безопасно через параметры).
+import os, psycopg2, psycopg2.extras
+
+def search(event):
+    # «query» — основной параметр (user-friendly), «q» — алиас для совместимости.
+    query = str(event.get("query") or event.get("q") or "")[:200]
+    # int() может упасть если юзер прислал строку — защищаем try/except.
+    try:
+        limit = max(1, min(int(event.get("limit", 20)), 100))
+    except (TypeError, ValueError):
+        limit = 20
+    try:
+        offset = max(0, int(event.get("offset", 0)))
+    except (TypeError, ValueError):
+        offset = 0
+
+    conn = psycopg2.connect(
+        host=os.environ["PGHOST"], port=int(os.environ.get("PGPORT", 5432)),
+        dbname=os.environ["PGDATABASE"], user=os.environ["PGUSER"],
+        password=os.environ["PGPASSWORD"], sslmode=os.environ.get("PGSSLMODE", "require"),
+    )
+    try:
+        with conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor) as cur:
+            pattern = f"%{query}%" if query else "%"
+            cur.execute(
+                "SELECT id, title, created_at::text FROM terraform_demo_table "
+                "WHERE title ILIKE %s ORDER BY id DESC LIMIT %s OFFSET %s",
+                (pattern, limit, offset),
+            )
+            rows = [dict(r) for r in cur.fetchall()]
+            cur.execute("SELECT COUNT(*) FROM terraform_demo_table WHERE title ILIKE %s", (pattern,))
+            total = cur.fetchone()["count"]
+        return {"rows": rows, "count": len(rows), "total": total, "q": query, "limit": limit, "offset": offset}
+    finally:
+        conn.close()

examples/POSTGRES/code/pg-search/requirements.txt

@@ -0,0 +1 @@
+psycopg2-binary