Release 0.4.11-c

.github/workflows/aur-publish.yml

@@ -0,0 +1,47 @@
+# Manual AUR publish (hotfix / re-publish). Normal path: Release workflow → publish-aur job.
+#
+# First push creates the AUR repo automatically. Requires secret AUR_SSH_PRIVATE_KEY.
+
+name: Publish AUR (querya-desktop)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'pkgver (e.g. 0.4.12) — Querya-Desktop-{version}-linux.zip must exist on GitHub Releases'
+        required: true
+        type: string
+      release_tag:
+        description: 'GitHub Release tag if different from version (e.g. v0.4.12); leave empty to auto-try'
+        required: false
+        type: string
+
+jobs:
+  aur:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Require AUR SSH secret
+        env:
+          KEY: ${{ secrets.AUR_SSH_PRIVATE_KEY }}
+        run: |
+          if [ -z "${KEY:-}" ]; then
+            echo "Missing repository secret AUR_SSH_PRIVATE_KEY" >&2
+            exit 1
+          fi
+
+      - name: SSH agent
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.AUR_SSH_PRIVATE_KEY }}
+
+      - name: Publish to AUR
+        env:
+          RELEASE_TAG: ${{ github.event.inputs.release_tag }}
+        run: |
+          set -euo pipefail
+          VER="${{ github.event.inputs.version }}"
+          TAG="${RELEASE_TAG:-$VER}"
+          chmod +x ./scripts/linux/aur_publish.sh
+          ./scripts/linux/aur_publish.sh "$VER" "$TAG"

.github/workflows/release.yml

@@ -269,6 +269,9 @@ jobs:
     name: Publish GitHub Release
     needs: [build-windows, build-linux, build-macos]
     runs-on: ubuntu-latest
+    outputs:
+      version: ${{ needs.build-windows.outputs.version }}
+      release_tag: ${{ steps.rel.outputs.tag }}
     steps:
       - uses: actions/checkout@v4
         with:
@@ -320,7 +323,7 @@ jobs:
             echo "- **Linux Flatpak**: \`Querya-Desktop-${VERSION}-linux.flatpak\` — \`flatpak install --user ./Querya-Desktop-${VERSION}-linux.flatpak\`"
             echo "- **Windows setup**: \`Querya-Desktop-${VERSION}-windows-setup.exe\` (Inno Setup)"
             echo ""
-            echo "**Arch (AUR):** PKGBUILD in \`packaging/linux/aur/\` (community-maintained)."
+            echo "**Arch (AUR):** \`querya-desktop\` — \`yay -S querya-desktop\` (auto-published when \`AUR_SSH_PRIVATE_KEY\` is configured)."
             echo ""
             echo "Verify checksums: \`SHA256SUMS.txt\`"
             echo ""
@@ -355,3 +358,41 @@ jobs:
             dist/SHA256SUMS.txt
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  publish-aur:
+    name: Publish AUR (querya-desktop)
+    needs: [publish]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check AUR secret
+        id: aur
+        env:
+          AUR_SSH_PRIVATE_KEY: ${{ secrets.AUR_SSH_PRIVATE_KEY }}
+        run: |
+          if [ -n "${AUR_SSH_PRIVATE_KEY}" ]; then
+            echo "enabled=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "enabled=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Wait for release assets
+        if: steps.aur.outputs.enabled == 'true'
+        run: sleep 15
+
+      - uses: actions/checkout@v4
+        if: steps.aur.outputs.enabled == 'true'
+
+      - name: SSH agent
+        if: steps.aur.outputs.enabled == 'true'
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.AUR_SSH_PRIVATE_KEY }}
+
+      - name: Publish to AUR
+        if: steps.aur.outputs.enabled == 'true'
+        run: |
+          set -euo pipefail
+          VER="${{ needs.publish.outputs.version }}"
+          TAG="${{ needs.publish.outputs.release_tag }}"
+          chmod +x ./scripts/linux/aur_publish.sh
+          ./scripts/linux/aur_publish.sh "$VER" "$TAG"

.github/workflows/version-bump.yml

@@ -80,11 +80,20 @@ jobs:
           sed -i "s/^version: .*/version: ${NEW_VERSION}+${NEW_BUILD}/" pubspec.yaml
           grep "^version:" pubspec.yaml
 
+      - name: Sync AUR PKGBUILD pkgver with pubspec
+        if: steps.check.outputs.merged == 'true'
+        run: |
+          NEW_VERSION="${{ steps.bump.outputs.new_version }}"
+          sed -i "s/^pkgver=.*/pkgver=${NEW_VERSION}/" packaging/linux/aur/PKGBUILD
+          sed -i "s/^pkgrel=.*/pkgrel=1/" packaging/linux/aur/PKGBUILD
+          sed -i "s/^sha256sums=.*/sha256sums=('SKIP' 'SKIP' 'SKIP')/" packaging/linux/aur/PKGBUILD
+          grep ^pkgver packaging/linux/aur/PKGBUILD
+
       - name: Commit version bump
         if: steps.check.outputs.merged == 'true'
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
-          git add pubspec.yaml
+          git add pubspec.yaml packaging/linux/aur/PKGBUILD
           git commit -m "Bump version to ${{ steps.bump.outputs.new_version }}+${{ steps.bump.outputs.new_build }}"
           git push origin main

CONTRIBUTING.md

@@ -81,10 +81,11 @@ version locally to avoid "works on my machine" drift. When bumping the pin, run
 
 For animated UI, **do not invent magic `Duration(...)` / raw curves** in widgets.
 
-- Use `QueryaMotion` tokens (`fast` / `standard` / `slow`) via
+- Use `QueryaMotion` tokens (`fast` / `standard` / `slow` / `treeExpand`) via
   `context.motionDuration` / `context.motionCurve` (or `QueryaMotion.effective*`).
-- Interactive Fluid motion: `QueryaSpring` / `QueryaSpringController` when
-  `QueryaSpring.springsEnabled` (Full motion only).
+- **Real springs only:** `QueryaSpring` / `QueryaSpringController` when
+  `QueryaSpring.springsEnabled` (Full motion) — tab indicator, drag settle, etc.
+  Do not use `springsEnabled` just to pick an emphasized cubic for fades/dialogs.
 - Honor Preferences Motion Full / Reduced / Off and OS `disableAnimations`.
 - Mid-drag layout (split panes) stays 1:1; spring settle only on drag-end.
 - Do not animate virtualized grid rows on scroll.

analysis_options.yaml

@@ -2,10 +2,16 @@ include: package:flutter_lints/flutter.yaml
 
 analyzer:
   exclude:
-    - third_party/**
-    - build/**
+    - "third_party/**"
+    - "build/**"
+  errors:
+    unnecessary_underscores: ignore
+    prefer_initializing_formals: ignore
+    use_null_aware_elements: ignore
+    deprecated_member_use: ignore
 
 linter:
   rules:
     - prefer_const_constructors
     - prefer_const_declarations
+

docs/motion-and-high-refresh.md

@@ -82,7 +82,8 @@ Introduce `lib/core/motion/` with a single source of truth for durations and cur
 |-------|-------|-----|
 | `instant` | 0 ms | reduced-motion / disabled |
 | `fast` | 120 ms | hover, small state changes |
-| `standard` | 200 ms | dialogs, menus, expand/collapse |
+| `standard` | 200 ms | dialogs, menus, general surfaces |
+| `treeExpand` | 200 ms (= `standard`) | connection/SDUI tree: **chevron + height** share one clock (#480) |
 | `slow` | 320 ms | emphasized / large surfaces, theme cross-fade |
 
 ### 4.2 Curve tokens
@@ -91,7 +92,8 @@ Introduce `lib/core/motion/` with a single source of truth for durations and cur
 |-------|-------|-----|
 | `enter` | `easeOutCubic` | elements appearing (decelerate) |
 | `exit` | `easeInCubic` | elements leaving (accelerate) |
-| `standard` | `easeInOutCubic` | move/resize in place |
+| `standardCurve` | `easeInOutCubic` | move/resize in place |
+| `treeExpandCurve` | = `enter` | tree expand chevron + `QueryaAnimatedExpand` |
 | `emphasized` | `Curves.easeInOutCubicEmphasized` | hero / theme transitions |
 
 ### 4.3 Reduced motion / accessibility
@@ -110,6 +112,16 @@ Introduce `lib/core/motion/` with a single source of truth for durations and cur
 - **Theme switch**: enable a tasteful `emphasized` cross-fade and consider making it on-by-default.
 - **List/grid item insertion** (results, history): subtle staggered fade-in for first paint only (no per-scroll cost).
 
+### 4.5 Springs vs duration-token cubics (#481)
+
+`QueryaSpring.springsEnabled` (Full motion only) means **real** `SpringSimulation` /
+`QueryaSpringController` — tab strip indicator, split drag settle, and similar
+interruptible physics.
+
+Shell morphs (`QueryaFadeSlide`, `QueryaSwitchingBody`, `showAppDialog`) always use
+duration tokens (`standard` + `enter`/`exit`). Do **not** treat `emphasized` cubic
+as a stand-in for “Fluid spring.”
+
 ---
 
 ## 5. Implementation plan (proposed issues)
@@ -151,13 +163,21 @@ When reviewing PRs that touch animation:
 2. Require Full / Reduced / Off + OS `disableAnimations` coverage for new transitions.
 3. Split / resize: no spring or lag mid-drag; settle only on release / focus chrome.
 4. Never stagger or fade virtualized result rows while scrolling.
+5. Tree expand: chevron `AnimatedRotation` and `QueryaAnimatedExpand` **must** use
+   `QueryaMotion.treeExpand` + `treeExpandCurve` (not `fast`/`standardCurve` mixed
+   with `standard`/`enter`).
+6. **Springs vs cubics (#481):** `QueryaSpring.springsEnabled` gates **real**
+   `SpringSimulation` / `QueryaSpringController` only (tab strip indicator, split
+   drag settle). Shell morphs (`QueryaFadeSlide`, `QueryaSwitchingBody`,
+   `showAppDialog`) use duration-token cubics (`standard`/`enter`/`exit`) — do not
+   brand emphasized ease as “spring”.
 
 **Allowed named non-token durations** (named + documented — not magic literals at call sites):
 
 | Constant | Value | Where |
 |----------|-------|--------|
 | `kQueryaStaggerStep` | 30 ms | `QueryaStagger` first-paint choreography |
-| `kUpdateBadgePulsePeriod` | 1400 ms | Update title-bar chip pulse (chrome; see #363) |
+| `kUpdateBadgePulsePeriod` | 1400 ms | Update title-bar chip pulse at Full; Reduced halves via `effectiveDuration`; Off / OS disable stop (#363, #482) |
 
 Checklist for 120 Hz verification: [perf-baseline.md](perf-baseline.md) § Fluid shell.
 

docs/packaging.md

@@ -65,7 +65,7 @@ payload as the portable zip and AppImage.
 | `.deb` | [`scripts/linux/build_deb.sh`](../scripts/linux/build_deb.sh) | `sudo apt install ./Querya-Desktop-{ver}-linux.deb` |
 | `.rpm` | [`scripts/linux/build_rpm.sh`](../scripts/linux/build_rpm.sh) | `sudo dnf install ./Querya-Desktop-{ver}-linux.rpm` |
 | Flatpak | [`scripts/linux/build_flatpak.sh`](../scripts/linux/build_flatpak.sh) | `flatpak install --user ./Querya-Desktop-{ver}-linux.flatpak` |
-| AUR | [`packaging/linux/aur/`](../packaging/linux/aur/) | Community PKGBUILD (Release zip under `/opt`) |
+| AUR | [`packaging/linux/aur/`](../packaging/linux/aur/) | `yay -S querya-desktop` (CI publishes on Release when `AUR_SSH_PRIVATE_KEY` is set) |
 
 **Runtime dependencies (deb/rpm):** GTK 3, libsecret, GLib; app indicator recommended for tray.
 

docs/tags-and-releases.md

@@ -53,7 +53,7 @@ sudo dnf install ./Querya-Desktop-X.Y.Z-linux.rpm
 flatpak install --user ./Querya-Desktop-X.Y.Z-linux.flatpak
 ```
 
-**Arch (AUR):** community PKGBUILD — [`packaging/linux/aur/`](../packaging/linux/aur/) (installs the Release portable zip under `/opt`).
+**Arch (AUR):** `yay -S querya-desktop` — auto-published by Release CI when `AUR_SSH_PRIVATE_KEY` is configured ([`packaging/linux/aur/`](../packaging/linux/aur/)).
 
 ## Changelog в GitHub Release
 

lib/app/app.dart

@@ -21,17 +21,17 @@ class QueryaApp extends StatelessWidget {
 
     return ListenableBuilder(
       listenable: themeController,
-      builder: (context, _) {
+      builder: (context, __) {
         final queryaTheme = themeController.activeTheme;
         final colorScheme = queryaTheme.colorScheme;
 
         return ListenableBuilder(
           listenable: uiScaleController,
-          builder: (context, _) {
+          builder: (context, __) {
             final scale = uiScaleController.scale;
             return ListenableBuilder(
               listenable: motionController,
-              builder: (context, _) {
+              builder: (context, __) {
                 final motionLevel = motionController.level;
                 final disableAnimations =
                     MediaQuery.maybeOf(context)?.disableAnimations ??

lib/core/database/result_row_string_convert.dart

@@ -1,17 +1,25 @@
-/// Converts SQL result cells to display strings without a second isolate copy.
-///
-/// Prefer this over [compute] for large matrices: shipping `List<List<Object?>>`
-/// across isolates often costs more than `toString()` itself and roughly
-/// doubles peak memory. Yielding every [yieldEvery] rows keeps the UI isolate
-/// responsive for 10k+ row caps.
-library;
+import 'package:flutter/foundation.dart';
 
 const int kResultStringConvertYieldEvery = 250;
+const int kResultStringConvertComputeThreshold = 1000;
 
 /// Maps null cells to `'NULL'` and others via [Object.toString].
 String resultCellToDisplayString(Object? value) =>
     value == null ? 'NULL' : value.toString();
 
+/// Converts [rowValues] to string rows synchronously.
+List<List<String>> convertResultRowsToStringsSync(List<List<Object?>> rowValues) {
+  if (rowValues.isEmpty) return const [];
+  return [
+    for (final row in rowValues)
+      [for (final value in row) resultCellToDisplayString(value)],
+  ];
+}
+
+/// Top-level function suitable for [compute] offloading.
+List<List<String>> convertResultRowsToStringsCompute(List<List<Object?>> rowValues) =>
+    convertResultRowsToStringsSync(rowValues);
+
 /// Converts [rowValues] to string rows, yielding periodically.
 Future<List<List<String>>> convertResultRowsToStringsYielding(
   List<List<Object?>> rowValues, {
@@ -31,3 +39,17 @@ Future<List<List<String>>> convertResultRowsToStringsYielding(
   }
   return out;
 }
+
+/// Converts [rowValues] adaptively: offloads to a background isolate via [compute]
+/// if row count >= [computeThreshold], otherwise yields on the main isolate.
+Future<List<List<String>>> convertResultRowsToStringsAdaptive(
+  List<List<Object?>> rowValues, {
+  int computeThreshold = kResultStringConvertComputeThreshold,
+  int yieldEvery = kResultStringConvertYieldEvery,
+}) async {
+  if (rowValues.isEmpty) return const [];
+  if (rowValues.length >= computeThreshold) {
+    return compute(convertResultRowsToStringsCompute, rowValues);
+  }
+  return convertResultRowsToStringsYielding(rowValues, yieldEvery: yieldEvery);
+}

lib/core/extensions/rpc/json_rpc_payload_limits.dart

@@ -91,7 +91,7 @@ class _BoundedUtf8LineSplitter
       },
       onError: fail,
       onDone: () {
-        if (pending.length > 0) {
+        if (pending.isNotEmpty) {
           if (pending.length > maxLineBytes) {
             fail(
               JsonRpcPayloadTooLargeException(

lib/core/extensions/rpc/json_rpc_stdio_client.dart

@@ -41,6 +41,12 @@ class JsonRpcStdioClient {
   StreamSubscription<String>? _subscription;
   Object? _fatalError;
 
+  /// Number of RPC requests currently in-flight waiting for a response.
+  int get pendingRequestCount => _pending.length;
+
+  /// Returns true when there is at least one active RPC request in-flight.
+  bool get hasPendingRequests => _pending.isNotEmpty;
+
   /// Serializes async line handling so large-line isolate decode stays ordered.
   Future<void> _lineChain = Future<void>.value();
 

lib/core/extensions/rpc/plugin_rpc_bridge.dart

@@ -117,6 +117,7 @@ class PluginRpcBridge {
     if (enableWatchdog) {
       _watchdog = SandboxWatchdog(
         recovery: _recovery,
+        isBusy: () => client.hasPendingRequests,
         onStopped: (reason) {
           if (reason == SandboxWatchdogStopReason.deadlock) {
             unawaited(_audit?.record(

lib/core/extensions/sandbox/sandbox_watchdog.dart

@@ -25,16 +25,19 @@ enum SandboxWatchdogStopReason {
 class SandboxWatchdog {
   SandboxWatchdog({
     this.pingInterval = const Duration(seconds: 30),
-    this.pongTimeout = const Duration(seconds: 5),
+    this.pongTimeout = const Duration(seconds: 15),
     this.recovery,
+    bool Function()? isBusy,
     Future<Object?> Function()? ping,
     void Function(SandboxWatchdogStopReason reason)? onStopped,
-  })  : _pingOverride = ping,
+  })  : _isBusy = isBusy,
+        _pingOverride = ping,
         _onStopped = onStopped;
 
   final Duration pingInterval;
   final Duration pongTimeout;
   final SandboxAutoRecovery? recovery;
+  final bool Function()? _isBusy;
   final Future<Object?> Function()? _pingOverride;
   final void Function(SandboxWatchdogStopReason reason)? _onStopped;
 
@@ -107,6 +110,7 @@ class SandboxWatchdog {
 
   Future<void> _tick() async {
     if (!_running || _pingInFlight) return;
+    if (_isBusy?.call() ?? false) return;
     _pingInFlight = true;
     try {
       final result = await _sendPing().timeout(pongTimeout);