* feat: add query_history table migration (v5) (Task 1)
* feat: add isDestructiveQuery utility (Task 2)
* feat: add tabType discriminator and openQueryTab to dbViewerStore (Task 3)
* feat: add execute_query command with pagination and query history (Task 4)
* feat: add typed wrappers for executeQuery, getQueryHistory, clearQueryHistory (Task 5)
* fix: global search bypasses folder scope when filters active (Task 6)
* feat: add TagFilterDropdown with checkboxes and empty state (Task 7)
* feat: add DbTypeFilterDropdown with checkboxes and clear all (Task 8)
* feat: wire TagFilterDropdown/DbTypeFilterDropdown into ActionRow, add inline tag creation (Task 9)
* feat: add Name input to GeneralTab for connection editing (Task 10)
* feat: add QueryEditor Monaco wrapper with SQL mode and Cmd+Enter (Task 11)
* feat: add DestructiveQueryDialog with SQL preview and confirmation (Task 12)
* feat: integrate query tabs, Monaco editor, destructive guard into DbViewerScreen (Task 13)
* fix: harden moveConnection against race conditions on rapid drags (Task 14)
* docs: update AGENTS.md implementation status for Home Screen UX + Query Editor (Task 15)
* feat: switch tag filter to OR semantics, add environment filter (F-T16)
* feat: add activeEnvironment filter state to uiStore and useFilteredConnections (F-T17)
* feat: add environment filter select to Filters dropdown (F-T18)
* feat: filter folder cards by tag match or contained connections (F-T19)
* fix: keep grid header width to content, border last column
* fix: hide select-all checkbox and empty-state when no table open
* fix: filter folder cards by any active filter, show global search results (F-T20)
* feat: show 'Showing Search Results' breadcrumb with clear button (F-T21)
* docs: update README + AGENTS.md for Query Editor, filters, and planned AI integration (BYOK)
* feat: refresh indicator with spinning icon and pulse, defer auto-refresh on tab switch
* feat: smart default schema selection, refresh schemas on database switch
* fix: auto-refresh waits for in-flight refresh to complete before next tick
* style: shrink db viewer sidebar nav icons from 20px to 16px
* style: shrink db viewer sidebar nav buttons to 32px (8px padding)
* style: make Tables panel title xs, regular weight, muted
* style: bump Tables panel title back to sm, keep regular weight and muted
* feat: export schema diagram as PNG/JPEG/SVG (entire schema or viewport)
* chore: lockfile for html-to-image
* fix: raise schema visualizer toolbar above legend so export menu isn't hidden
* feat: schema export via save dialog, transparent background option, save notification
* fix: render nothing in tab bar when no tabs are open
* style: reduce tab bar height from 40px to 36px
* style: reduce tab bar height to 32px
* style: revert tab bar height to 36px
* feat: split tab bar with fixed +Query and Changes actions on the right
* style: blue play-icon Query button in tab bar
* refactor: remove sidebar New Query button (now in tab bar)
* style: conditional bottom padding in sidebar toolbar when nothing is below
* feat: distinguish table and query tabs with icons
* style: tab icons follow active/inactive state, muted colors
* feat: query tab toolbar (run/format/dialect badge) + bare transparent editor
* style: blue rounded Run Query button in query toolbar
* feat: smart platform-aware shortcut tooltip on Run Query (⌘+⏎ / Ctrl+Enter)
* style: show only the shortcut in the Run Query tooltip
* fix: Cmd+Enter keybinding stale closure; add run pulse to query toolbar; bundle monaco locally (offline)
* feat: show placeholder text in empty query editor
* feat: SQL autocomplete — keywords + table names from active schema
* feat: per-table column autocomplete on 'table.' + docs update
* feat: query-variant result toolbar — export/refresh/columns left, smart-unit execution time right
* fix: populate execution_time_ms on query results so the toolbar can show time taken
* fix: re-measure monaco fonts after async font load to stop cursor drift
* feat: resizable + collapsible query results panel
* refactor: move results caret onto the resize handle (centered), bottom caret when collapsed
* style: thin drag strip with caret on its own centered pill
* refactor: remove Queue button from table toolbar (Changes lives in tab bar)
* style: changes button becomes bordered rounded icon with count badge
* docs: mark tab-bar Changes queue button in AGENTS.md and README