chore: refresh gramsrv public release

deploy/migrations/0019_custom_themes.up.sql

@@ -0,0 +1,37 @@
+-- 自定义云主题(account.createTheme/uploadTheme 等)。themes = 用户创建的主题目录,
+-- document_id 软引用 documents(无硬外键,避免与媒体表耦合;主题可能比 blob 长存,
+-- getTheme 时若 blob 缺失则退化为无 document)。settings = []domain.ThemeSettingsSpec 的
+-- JSONB(仅 accent 主题非空)。theme_user_installs = 每用户已安装/已存主题列表。
+CREATE TABLE public.themes (
+    id bigint NOT NULL,
+    access_hash bigint DEFAULT 0 NOT NULL,
+    creator_user_id bigint NOT NULL,
+    slug text NOT NULL,
+    title text DEFAULT ''::text NOT NULL,
+    emoticon text DEFAULT ''::text NOT NULL,
+    for_chat boolean DEFAULT false NOT NULL,
+    document_id bigint DEFAULT 0 NOT NULL,
+    settings jsonb DEFAULT '[]'::jsonb NOT NULL,
+    installs_count integer DEFAULT 0 NOT NULL,
+    created_at timestamp with time zone DEFAULT now() NOT NULL,
+    CONSTRAINT themes_pkey PRIMARY KEY (id),
+    CONSTRAINT themes_slug_key UNIQUE (slug),
+    CONSTRAINT themes_creator_user_id_fkey FOREIGN KEY (creator_user_id)
+        REFERENCES public.users(id) ON DELETE CASCADE
+);
+
+CREATE INDEX themes_creator_user_id_idx ON public.themes (creator_user_id);
+
+CREATE TABLE public.theme_user_installs (
+    user_id bigint NOT NULL,
+    theme_id bigint NOT NULL,
+    dark boolean DEFAULT false NOT NULL,
+    installed_at timestamp with time zone DEFAULT now() NOT NULL,
+    CONSTRAINT theme_user_installs_pkey PRIMARY KEY (user_id, theme_id),
+    CONSTRAINT theme_user_installs_user_id_fkey FOREIGN KEY (user_id)
+        REFERENCES public.users(id) ON DELETE CASCADE,
+    CONSTRAINT theme_user_installs_theme_id_fkey FOREIGN KEY (theme_id)
+        REFERENCES public.themes(id) ON DELETE CASCADE
+);
+
+CREATE INDEX theme_user_installs_user_id_idx ON public.theme_user_installs (user_id);