feat: complete IM P0 and P1 reliability work

docs/IM-群聊业务表设计.sql

@@ -1,14 +1,12 @@
 -- IM group business tables design.
 -- Scope: chapter 6 group chat business truth tables.
--- Database: tenant database, default tinode.
+-- Database: the currently selected tenant database.
 -- Important: one tenant owns one database, so these tables intentionally do not contain tenant_id.
 -- This SQL is for review first. Do not execute directly in production before confirming indexes and migration order.
 
-CREATE DATABASE IF NOT EXISTS tinode CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci;
-
 -- 1. Group profile and governance truth.
 -- Topic/Subscription remains the communication projection; this table is the product business truth.
-CREATE TABLE IF NOT EXISTS tinode.im_group_settings (
+CREATE TABLE IF NOT EXISTS im_group_settings (
   topic                 VARCHAR(32) NOT NULL,
   owner_user_id         BIGINT NOT NULL,
   name                  VARCHAR(128) NOT NULL DEFAULT '',
@@ -36,7 +34,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_settings (
 
 -- 2. Group members and role truth.
 -- Role changes must update this table and the Tinode Subscription ACL in the same transaction.
-CREATE TABLE IF NOT EXISTS tinode.im_group_members (
+CREATE TABLE IF NOT EXISTS im_group_members (
   id                 BIGINT NOT NULL AUTO_INCREMENT,
   topic              VARCHAR(32) NOT NULL,
   user_id            BIGINT NOT NULL,
@@ -63,7 +61,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_members (
 -- 3. Direct invitations.
 -- If join_approval is off, accepting an invitation can directly create im_group_members + Subscription.
 -- If join_approval is on, accepting may create a pending im_group_join_requests record.
-CREATE TABLE IF NOT EXISTS tinode.im_group_invitations (
+CREATE TABLE IF NOT EXISTS im_group_invitations (
   id              BIGINT NOT NULL AUTO_INCREMENT,
   invitation_id   VARCHAR(64) NOT NULL,
   topic           VARCHAR(32) NOT NULL,
@@ -87,7 +85,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_invitations (
 
 -- 4. Join requests.
 -- Pending users must not have a readable Subscription before approval.
-CREATE TABLE IF NOT EXISTS tinode.im_group_join_requests (
+CREATE TABLE IF NOT EXISTS im_group_join_requests (
   id                BIGINT NOT NULL AUTO_INCREMENT,
   request_id        VARCHAR(64) NOT NULL,
   topic             VARCHAR(32) NOT NULL,
@@ -114,7 +112,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_join_requests (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
 
 -- 5. Group announcements.
-CREATE TABLE IF NOT EXISTS tinode.im_group_announcements (
+CREATE TABLE IF NOT EXISTS im_group_announcements (
   id              BIGINT NOT NULL AUTO_INCREMENT,
   announcement_id VARCHAR(64) NOT NULL,
   topic           VARCHAR(32) NOT NULL,
@@ -136,7 +134,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_announcements (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
 
 -- 6. Announcement read receipts.
-CREATE TABLE IF NOT EXISTS tinode.im_group_announcement_reads (
+CREATE TABLE IF NOT EXISTS im_group_announcement_reads (
   announcement_id VARCHAR(64) NOT NULL,
   topic           VARCHAR(32) NOT NULL,
   user_id         BIGINT NOT NULL,
@@ -149,7 +147,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_announcement_reads (
 
 -- 7. Current member mute state.
 -- Historical changes are stored in im_group_admin_logs.
-CREATE TABLE IF NOT EXISTS tinode.im_group_mutes (
+CREATE TABLE IF NOT EXISTS im_group_mutes (
   topic       VARCHAR(32) NOT NULL,
   user_id     BIGINT NOT NULL,
   muted_by    BIGINT NOT NULL,
@@ -169,7 +167,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_mutes (
 
 -- 8. Group QR codes / invite tokens.
 -- qr_token should remain opaque to clients. Store only token hash.
-CREATE TABLE IF NOT EXISTS tinode.im_group_qrcodes (
+CREATE TABLE IF NOT EXISTS im_group_qrcodes (
   id            BIGINT NOT NULL AUTO_INCREMENT,
   token_id      VARCHAR(64) NOT NULL,
   token_hash    CHAR(64) NOT NULL,
@@ -189,7 +187,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_qrcodes (
 
 -- 9. Group file directory.
 -- File binary metadata still lives in the existing file table/storage. This is the group-visible index.
-CREATE TABLE IF NOT EXISTS tinode.im_group_files (
+CREATE TABLE IF NOT EXISTS im_group_files (
   id              BIGINT NOT NULL AUTO_INCREMENT,
   group_file_id   VARCHAR(64) NOT NULL,
   topic           VARCHAR(32) NOT NULL,
@@ -218,7 +216,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_files (
 
 -- 10. Group operation audit logs.
 -- Store role changes, governance changes, mutes, announcements, owner transfer, dissolve, file delete, etc.
-CREATE TABLE IF NOT EXISTS tinode.im_group_admin_logs (
+CREATE TABLE IF NOT EXISTS im_group_admin_logs (
   id              BIGINT NOT NULL AUTO_INCREMENT,
   log_id          VARCHAR(64) NOT NULL,
   topic           VARCHAR(32) NOT NULL,
@@ -241,7 +239,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_admin_logs (
 
 -- 11. Group operation idempotency.
 -- This can later be replaced by a global HTTP idempotency table.
-CREATE TABLE IF NOT EXISTS tinode.im_group_idempotency (
+CREATE TABLE IF NOT EXISTS im_group_idempotency (
   id              BIGINT NOT NULL AUTO_INCREMENT,
   user_id         BIGINT NOT NULL,
   method          VARCHAR(8) NOT NULL,
@@ -260,7 +258,7 @@ CREATE TABLE IF NOT EXISTS tinode.im_group_idempotency (
 -- 12. Group outbox events.
 -- Transactional bridge for group.membership.updated, group.join_request.created,
 -- group.announcement.updated, group.role.updated, group.mute.updated, group.dissolved, etc.
-CREATE TABLE IF NOT EXISTS tinode.im_group_events_outbox (
+CREATE TABLE IF NOT EXISTS im_group_events_outbox (
   id             BIGINT NOT NULL AUTO_INCREMENT,
   event_id       VARCHAR(64) NOT NULL,
   topic          VARCHAR(32) NOT NULL,