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-dedup/pg_dedup.py

@@ -0,0 +1,38 @@
+# 2026-03-21 — pg-dedup: удаляет дубликаты по title, оставляет первый (min id).
+# Тестирует: DELETE с subquery, CTE, idempotency (повторный вызов безопасен).
+import os, psycopg2
+
+def dedup(event):
+    dry_run = str(event.get("dry_run", "false")).lower() in ("true", "1", "yes")
+    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() as cur:
+            # Считаем сколько дублей есть
+            cur.execute("""
+                SELECT COUNT(*) FROM terraform_demo_table t1
+                WHERE EXISTS (
+                    SELECT 1 FROM terraform_demo_table t2
+                    WHERE t2.title = t1.title AND t2.id < t1.id
+                )
+            """)
+            dupes_count = cur.fetchone()[0]
+
+            if not dry_run and dupes_count > 0:
+                cur.execute("""
+                    DELETE FROM terraform_demo_table
+                    WHERE id NOT IN (
+                        SELECT MIN(id) FROM terraform_demo_table GROUP BY title
+                    )
+                """)
+                deleted = cur.rowcount
+                conn.commit()
+            else:
+                deleted = 0
+
+        return {"duplicates_found": dupes_count, "deleted": deleted, "dry_run": dry_run}
+    finally:
+        conn.close()

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

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