v0.7.8: MySQL/SQLite backup-sync, Excel export, query cancel, settings import/export, Windows title-bar fix, SQLite table editor (#16)

* [P1-T1] feat(backup): MySQL/SQLite backup models + db_type on SyncOptions (Task 1.1)

* [P1-T2] feat: enable tools(mysql,sqlite) + tableManagement(sqlite) + add fflate (Task 1.2)

* [P1-T3] feat(cancel): CancelHandle enum + CancelRegistry (Task 1.3)

* [P2-T1] feat(export): hand-rolled XLSX writer with inline-string cells (Task 2.1)

* [P2-T2] feat(backup): SQLite .dump/restore/sync core, fail-closed virtual tables (Task 2.2)

* [P2-T3] feat(backup): MySQL dump/restore/sync arg builders + tool resolution (Task 2.3)

* [P2-T4] feat(settings): pure import validator + SettingsExport envelope + Store.apply_settings (Task 2.4)

* [P2-T5] feat(table-editor): SQLite create/diff/rebuild SQL generation, fail-closed AUTOINCREMENT (Task 2.5)

* [P3-T1] feat(commands): MySQL/SQLite backup + settings export/import commands + wrappers (Task 3.1)

* [P3-T2] feat(cancel): capture cancel primitives at connect; cancel_query command; SQLite interrupt test (Task 3.2)

* [P3-T3] feat(table-editor): SQLite object-change dispatch + execute_change Ddl/RebuildTable (Task 3.3)

* [P4-T1] feat(tools): DB-aware backup/restore/sync pages (Task 4.1)

* [P4-T2] feat(export): xlsx export in grid toolbar + overflow menu (Task 4.2)

* [P4-T3] feat(query): cancel button wired to cancelQuery (Task 4.3)

* [P4-T4] feat(settings): export/import buttons + validation gate (Task 4.4)

* [P4-T5] fix(ui): gate macOS overlay drag strip to macOS only (Task 4.5)

* [P4-T6] feat(table-editor): SQLite Create/Edit Table mode (Task 4.6)

* [P5-T1] chore: bump 0.7.7 -> 0.7.8 + README/AGENTS/ROADMAP status (Task 5.1)

* [P5-T2] build(release): bundle mariadb-dump + mariadb client (system-first fallback) (Task 5.2)

* fix(cancel): propagate cancellations past wrapped->raw fallback (SQLite/PG/MySQL) + MySQL CONNECTION_ID cast

* fix(export): Excel export from overflow menu did nothing + add export success/error toasts

* fix(export): tree kebab export fetches table data when rows not loaded

* docs(readme): surface v0.7.8 features (MySQL/SQLite backup-sync, Excel export, query cancel, SQLite table editor, settings import/export)

src-tauri/src/lib.rs

@@ -2,6 +2,7 @@
 // of runtime usage, producing expected dead_code/unused warnings during development.
 #![allow(dead_code)]
 
+mod cancel;
 mod commands;
 mod db;
 mod models;
@@ -17,6 +18,7 @@ pub struct AppState {
     pub db_store: StdMutex<Store>,
     pub pool_manager: tokio::sync::Mutex<ConnectionPoolManager>,
     pub ssh_manager: StdMutex<SshTunnelManager>,
+    pub cancel_registry: crate::cancel::CancelRegistry,
 }
 
 use commands::{
@@ -48,6 +50,7 @@ pub fn run() {
             db_store: store_ref,
             pool_manager: tokio::sync::Mutex::new(ConnectionPoolManager::new()),
             ssh_manager: StdMutex::new(SshTunnelManager::new(Arc::new(Ssh2Backend))),
+            cancel_registry: crate::cancel::CancelRegistry::default(),
         })
         .setup(move |app| {
             let state = app.state::<AppState>();
@@ -69,6 +72,9 @@ pub fn run() {
                         if let Ok(mut mgr) = s.ssh_manager.lock() {
                             mgr.close_tunnel(id);
                         }
+                        // Drop the cancel handles for the evicted connection
+                        // (tokens/interrupts outlive the pool otherwise).
+                        s.cancel_registry.remove(id);
                     }
                 }));
 
@@ -143,8 +149,18 @@ pub fn run() {
             backup::pg_dump,
             backup::pg_restore,
             backup::db_sync,
+            backup::detect_mysql_tools,
+            backup::mysql_dump,
+            backup::mysql_restore,
+            backup::mysql_sync,
+            backup::sqlite_dump,
+            backup::sqlite_restore,
+            backup::sqlite_sync,
+            settings::export_settings,
+            settings::import_settings,
             schema_graph::get_schema_graph,
             query::execute_query,
+            query::cancel_query,
             query::get_query_history,
             query::clear_query_history,
             query::set_history_favorite,