fix: V1__init.sql приведён к api-версии (uq_jobs_active_item), jackson-exclude из webmvc

src/main/resources/db/migration/V1__init.sql

@@ -1,18 +1,19 @@
 CREATE SCHEMA IF NOT EXISTS media_mirror;
-
-CREATE TABLE IF NOT EXISTS media_mirror.jobs (
+CREATE TABLE media_mirror.jobs (
     id          uuid PRIMARY KEY DEFAULT gen_random_uuid(),
-    item_id     text NOT NULL,
-    source_url  text NOT NULL,
+    item_id     text NOT NULL,              -- itemId из Jellyfin
+    source_url  text NOT NULL,              -- URL исходника (jellyfin stream)
     source_type text NOT NULL DEFAULT 'jellyfin',
-    status      text NOT NULL DEFAULT 'new',
-    progress    int  NOT NULL DEFAULT 0,
-    video_key   text,
-    audio_keys  jsonb,
+    status      text NOT NULL DEFAULT 'new',  -- new | processing | done | failed | cancelled
+    progress    int  NOT NULL DEFAULT 0,      -- 0..100
+    video_key   text,                         -- S3-ключ видео (после done)
+    audio_keys  jsonb,                        -- [{key, title, language, index}]
     error       text,
     created_at  timestamptz NOT NULL DEFAULT now(),
     updated_at  timestamptz NOT NULL DEFAULT now(),
     taken_at    timestamptz
 );
-
 CREATE INDEX IF NOT EXISTS idx_jobs_status ON media_mirror.jobs (status, created_at);
+CREATE UNIQUE INDEX IF NOT EXISTS uq_jobs_active_item
+    ON media_mirror.jobs (item_id)
+    WHERE status NOT IN ('failed', 'cancelled');