v1.2.16: save full instance metadata (instance_meta JSONB)

init_db.py: ALTER TABLE runs ADD instance_meta JSONB
save_run.py: +instance_meta parameter → JSONB insert
api_test.py: _finish_op fetches GET /instances/{uid} after poll, saves all fields
scenario.py: run_scenario same — per-step instance metadata
Excludes: instanceUid, displayName, svc, serviceId, explainedStatus (already in other columns)

site/db/init_db.py

@@ -59,6 +59,7 @@ ALTER TABLE runs ADD COLUMN IF NOT EXISTS user_email VARCHAR(128);
 ALTER TABLE runs ADD COLUMN IF NOT EXISTS app_version VARCHAR(16);
 ALTER TABLE runs ADD COLUMN IF NOT EXISTS scenario_run_id INTEGER;
 ALTER TABLE runs ADD COLUMN IF NOT EXISTS step_number INTEGER;
+ALTER TABLE runs ADD COLUMN IF NOT EXISTS instance_meta JSONB;
 """
 
 # Таблица сценариев — один запуск = одна строка