Initial open source release

deploy/migrations/0005_system_login_messages.up.sql

@@ -0,0 +1,44 @@
+-- 0005_system_login_messages: official system account and first message persistence.
+--
+-- 777000 官方账号与登录消息推送；表结构按 telesrv domain/store 边界建模。
+
+ALTER TABLE users
+    ADD COLUMN IF NOT EXISTS verified BOOLEAN NOT NULL DEFAULT false,
+    ADD COLUMN IF NOT EXISTS support  BOOLEAN NOT NULL DEFAULT false;
+
+INSERT INTO users (id, access_hash, phone, first_name, last_name, username, country_code, verified, support)
+VALUES (777000, 6599886787491911851, '42777', 'Telegram', '', 'telegram', '', true, true)
+ON CONFLICT (id) DO UPDATE SET
+    access_hash = EXCLUDED.access_hash,
+    phone = EXCLUDED.phone,
+    first_name = EXCLUDED.first_name,
+    last_name = EXCLUDED.last_name,
+    username = EXCLUDED.username,
+    verified = EXCLUDED.verified,
+    support = EXCLUDED.support,
+    updated_at = now();
+
+ALTER TABLE dialogs
+    ADD COLUMN IF NOT EXISTS top_message_date INT NOT NULL DEFAULT 0;
+
+CREATE INDEX IF NOT EXISTS dialogs_user_top_message_idx
+    ON dialogs (user_id, pinned DESC, top_message_date DESC, top_message_id DESC, peer_id DESC);
+
+CREATE TABLE IF NOT EXISTS messages (
+    id             INT         GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    owner_user_id  BIGINT      NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    peer_type      VARCHAR(16) NOT NULL,
+    peer_id        BIGINT      NOT NULL,
+    from_user_id   BIGINT      NOT NULL REFERENCES users(id) ON DELETE RESTRICT,
+    message_date   INT         NOT NULL,
+    outgoing       BOOLEAN     NOT NULL DEFAULT false,
+    body           TEXT        NOT NULL DEFAULT '',
+    entities       JSONB       NOT NULL DEFAULT '[]'::jsonb,
+    created_at     TIMESTAMPTZ NOT NULL DEFAULT now(),
+    CONSTRAINT messages_peer_type_check CHECK (peer_type IN ('user'))
+);
+
+CREATE INDEX IF NOT EXISTS messages_owner_dialog_idx
+    ON messages (owner_user_id, peer_type, peer_id, id DESC);
+CREATE INDEX IF NOT EXISTS messages_owner_date_idx
+    ON messages (owner_user_id, message_date DESC, id DESC);