Release 0.4.13

[ZhuchkaTriplesix]

Release 0.4.13 — Production-Ready UI Polish & Data Grid Interactivity

Major feature release introducing the complete interactive Data Grid editing suite, advanced query filtering engine, physics-driven collapsible navigation, rich database object context menus, and comprehensive platform polish.

✨ Highlights

📊 Interactive Data Grid & In-Place Editing (Epics A–E, #554, #564–#579)

• In-Place Cell Editing & Staging Engine (feat(data-grid): staging buffer engine and visual change tracking for VirtualResultGrid #560, feat(data-grid): type-aware inline cell editors and popover inspectors #561, DG-01 — Data Grid DML SQL Generator (UPDATE, INSERT, DELETE builder with PK resolution) #564, DG-02 — Staging Buffer & Save Integration in SQL Workspaces #565) — Double-click to edit cells with type-aware inline editors, dirty state indicators, staging buffer for mutations, and keyboard navigation.
• Atomic DML Preview & Confirmation (feat(database): primary key detection and atomic DML mutation engine for Postgres, MySQL, SQLite #562, DG-03 — DML Preview & Confirmation Modal Dialog #566) — Visual DML modal showing compiled multi-dialect UPDATE, INSERT, and DELETE SQL statements before execution.
• Cell Validation & Type Safety (DG-04 — In-Cell Data Type Validation and Editor Shortcuts #567) — Real-time cell validation for integer, float, boolean, UUID, JSON, date, and timestamp types.
• Advanced Query Filter Engine (DG-05 — Multi-Clause Query Parser with AND / OR and Parentheses #568, DG-06 — String Literals, Escaped Quotes and Extended Operators (IN, LIKE, IS NULL, BETWEEN) #569, DG-07 — Autocomplete & Syntax Suggestions in Filter Bar #570) — Compound filtering with AND/OR/NOT, LIKE/ILIKE/IN/IS NULL/BETWEEN, escaped quotes, and live autocomplete popup.
• Syntax Highlighting & Value Inspector (DG-08 — Color Syntax Highlighting for JSON, XML, HTML, SQL in Value Panel #571, DG-09 — XML / HTML Formatter and Validator in Value Panel #572) — Dedicated inspector with JSON/XML/YAML syntax highlighting and XML/HTML formatter.
• Selection Calculations & Quick Stats (DG-10 — Advanced Selection Calculations (Median, Distinct Count, Copy Stats) #573) — Status bar calculations (Count, Distinct, Sum, Avg, Min, Max, Median, StdDev) with copy summary action.
• Multi-Column Grouping & Pivot View (DG-11 — Multi-Column Hierarchical Grouping (Nested Group By) #574, DG-12 — Custom Aggregations in Groupings (SUM, AVG, MIN, MAX over columns) #575, DG-13 — Sort Groups by Column Key, Count or Aggregate Value & Export Pivot #576) — Multi-level grouping, custom aggregations (SUM, AVG, MIN, MAX, COUNT), sorting, and CSV export.
• Column Drag-Resizing & 3-Phase Sorting (feat(grid): manual column drag-resizing in VirtualResultGrid #548, feat(grid): client-side column sorting in VirtualResultGrid #549) — Interactive column width drag handles and 3-phase column sorting (natural -> asc -> desc).
• Multi-Cell Range Selection & Clipboard (feat(grid): multi-cell selection and TSV/CSV clipboard copy #550) — Shift+Click rectangular selection with TSV/CSV export for spreadsheets.

🧭 Sidebar, Navigation & Accessibility (#551, #552, #557, #558, #579)

• Fluid Collapsible Sidebar (feat(sidebar): fluid motion collapsible connections tree sidebar #557, chore(deps): safe upgrade of direct and transitive dependencies #559) — Animated toggle with QueryaSpring physics, Cmd+B / Ctrl+B hotkey, and persisted width.
• Rich Object Context Menus (feat(sidebar): rich context menus for database objects #551) — Native context menus for tables, views, procedures, and connections («Select TOP 100», «Copy SELECT», «Copy name», «Open in SQL»).
• Tree Keyboard Navigation (feat(a11y): full keyboard navigation in database tree views #552) — Full arrow-key navigation (Left/Right to expand/collapse, Up/Down, Enter/Space) in database trees.
• Interactive Welcome Tour & 1-Click Playground (feat(onboarding): interactive welcome tour & 1-click demo playground #558) — Built-in onboarding tour and 1-click SQLite demo database.
• Global Shortcuts & Focus Polish (DG-16 — Visual Polish & Keyboard Navigation Accessibility Audit #579) — Added Ctrl+F (filter), Ctrl+S (staging commit), Ctrl+G (groupings).

🛠️ Forms & Platform Fixes (#553, #555, #556, #577)

• Connection Dialogs Inline Validation (feat(forms): real-time inline validation in connection dialogs #553) — Real-time URI parser and validation with dynamic database driver and host badges.
• Toolbar Layout Responsive Scroll (DG-14 — Fix ResultsTab Header Horizontal Overflow on Narrow Viewports #577) — Wrapped data grid action bars in horizontal scroll to prevent overflow.
• macOS SPM Path (fix(macos): correct SPM package source path for refresh_rate plugin #555) — Corrected relative path to refresh_rate plugin source in Package.swift.
• macOS App Sandbox Entitlements (fix(macos): add missing network.client and file access entitlements #556) — Added network.client and files.user-selected.read-write entitlements.

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🧪 Quality & Tests

• dart analyze: 0 issues found.
• flutter test: 1156 / 1156 tests passing.

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