feat: Query history + saved queries (#5)

* fix: restore frontend test baseline (vitest jsdom env + tsc + mock fixes)

* feat: v6 migration — favorite column + queries table (Task 1)

* feat: extend TS types for favorites + saved queries (Task 2)

* feat: dedup consecutive + prune to 500 in insert_query_history (Task 3)

* feat: favorite column threading + set_history_favorite command (Task 4)

* feat: saved queries store CRUD (Task 5)

* feat: saved query commands + registration (Task 6)

* feat: queryStore — Zustand cache for history + saved queries (Task 7)

* feat: QueryHistoryDropdown — toolbar history dropdown (Task 8)

* feat: SaveQueryDialog — save query modal (Task 9)

* feat: QueryToolbar — add History + Save icons (Task 10)

* feat: QueriesPanel — History + Saved tabs (Task 11)

* feat: wire Queries view + toolbar to panel (Task 12)

* fix: global scope wrappers, empty/spinner states, cache invalidation (Task 13)

* feat: Queries view — history sidebar + tabbed query workspace (PR feedback)

* fix: toolbar action order + view-specific empty state (PR feedback)

* fix: view-specific empty state icon (PR feedback)

* fix: portal Tooltip to body so it is never clipped by overflow containers (PR feedback)

* feat: Queries sidebar — Explorer-style header + per-connection scoping (PR feedback)

* fix: move History/Saved dropdown to right side of Queries header (PR feedback)

* fix: History/Saved dropdown on its own row in Queries header (PR feedback)

* fix: Queries header order (search above dropdown) + sidebar width matches Explorer (PR feedback)

* fix: Queries header spacing — tight rows, pb-3 on container (PR feedback)

* fix: Queries header spacing — space-y-2 on container, no mb on title row (PR feedback)

* feat: history/saved rows click-to-load, remove sub-buttons (PR feedback)

* feat: merge Functions/Triggers/Sequences/Enums/Extensions into single Objects view (PR feedback)

* fix: Schema Visualizer nav icon — node graph glyph (PR feedback)

* fix: Objects view — type dropdown replaces static header label (PR feedback)

* fix: Objects empty state — remove bg circle, larger icon (PR feedback)

* fix: center icon in Objects empty state (PR feedback)

* feat: merge Backup/Restore/DB Sync into single Tools view (PR feedback)

* docs: update AGENTS.md + README for query history/saved queries, merged Objects + Tools views

src-tauri/src/lib.rs

@@ -98,6 +98,11 @@ pub fn run() {
             query::execute_query,
             query::get_query_history,
             query::clear_query_history,
+            query::set_history_favorite,
+            query::save_query,
+            query::get_saved_queries,
+            query::update_saved_query,
+            query::delete_saved_query,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");