Convert from PyQt6 to PySide6 for ecosystem unification

- Replace PyQt6 imports with PySide6 across all GUI modules
- Update pyqtSignal to Signal throughout codebase
- Change dependency from PyQt6>=6.4.0 to PySide6>=6.4.0
- Unifies Qt library with development-hub and ramble (all LGPL)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
     "PyYAML>=6.0",
     "cmdforge @ git+https://gitea.brrd.tech/rob/CmdForge.git",
     # GUI is required for the editor - include by default
-    "PyQt6>=6.4.0",
+    "PySide6>=6.4.0",
     "QScintilla>=2.14.0",
 ]
 
@@ -39,7 +39,7 @@ tui = [
     "urwid>=2.1.0",
 ]
 gui = [
-    "PyQt6>=6.4.0",
+    "PySide6>=6.4.0",
     "QScintilla>=2.14.0",
 ]
 mermaid = [
@@ -50,7 +50,7 @@ openscad = [
 ]
 all = [
     "urwid>=2.1.0",
-    "PyQt6>=6.4.0",
+    "PySide6>=6.4.0",
     "QScintilla>=2.14.0",
     "solidpython2>=2.0.0",
 ]
@@ -58,7 +58,7 @@ dev = [
     "pytest>=7.0",
     "pytest-cov>=4.0",
     "urwid>=2.1.0",
-    "PyQt6>=6.4.0",
+    "PySide6>=6.4.0",
     "QScintilla>=2.14.0",
 ]
 

src/artifact_editor/dialogs.py

@@ -3,8 +3,8 @@
 from typing import Optional, List, Dict, Any
 from dataclasses import dataclass, field
 
-from PyQt6.QtCore import Qt
+from PySide6.QtCore import Qt
-from PyQt6.QtWidgets import (
+from PySide6.QtWidgets import (
     QDialog, QVBoxLayout, QHBoxLayout, QFormLayout, QGridLayout,
     QLineEdit, QComboBox, QListWidget, QPushButton,
     QLabel, QDialogButtonBox, QGroupBox, QTextEdit,
@@ -1966,7 +1966,7 @@ class ColorButton(QPushButton):
             self.setText("")
 
     def _pick_color(self):
-        from PyQt6.QtGui import QColor
+        from PySide6.QtGui import QColor
         initial = QColor(self._color) if self._color != 'transparent' else QColor("#ffffff")
         color = QColorDialog.getColor(initial, self, "Select Color")
         if color.isValid():

src/artifact_editor/gui.py

@@ -15,12 +15,12 @@ from enum import Enum, auto
 from pathlib import Path
 from typing import Optional
 
-from PyQt6.QtCore import Qt, QTimer, pyqtSignal, QThread, QRectF, QPointF, QSizeF
+from PySide6.QtCore import Qt, QTimer, Signal, QThread, QRectF, QPointF, QSizeF
-from PyQt6.QtGui import (
+from PySide6.QtGui import (
     QFont, QColor, QAction, QKeySequence, QSyntaxHighlighter,
     QTextCharFormat, QPainter, QPen, QBrush, QTextCursor
 )
-from PyQt6.QtWidgets import (
+from PySide6.QtWidgets import (
     QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
     QSplitter, QPlainTextEdit, QLineEdit, QPushButton, QLabel,
     QFileDialog, QMessageBox, QStatusBar, QToolBar, QComboBox,
@@ -28,7 +28,7 @@ from PyQt6.QtWidgets import (
     QGraphicsTextItem, QGraphicsLineItem, QGraphicsItem,
     QListWidget, QListWidgetItem, QGroupBox, QSpinBox, QCheckBox, QDialog
 )
-from PyQt6.QtSvgWidgets import QSvgWidget
+from PySide6.QtSvgWidgets import QSvgWidget
 
 from .renderers import get_renderer, list_renderers
 from .renderers.code import get_languages, get_themes, is_available as code_renderer_available
@@ -150,7 +150,7 @@ class PlantUMLHighlighter(QSyntaxHighlighter):
 
 class RenderThread(QThread):
     """Background thread for rendering artifacts."""
-    finished = pyqtSignal(bool, str)  # success, message/path
+    finished = Signal(bool, str)  # success, message/path
 
     def __init__(self, renderer, source: str, output_path: Path,
                  camera_angles: tuple[int, int, int] | None = None,
@@ -186,8 +186,8 @@ class RenderThread(QThread):
 
 class DictateThread(QThread):
     """Background thread for voice dictation."""
-    finished = pyqtSignal(str)  # transcribed text
+    finished = Signal(str)  # transcribed text
-    tick = pyqtSignal(int)  # seconds remaining
+    tick = Signal(int)  # seconds remaining
 
     def __init__(self, duration: int = 10):
         super().__init__()
@@ -235,8 +235,8 @@ class DictateThread(QThread):
 
 class AIThread(QThread):
     """Background thread for AI generation with validation and retry."""
-    finished = pyqtSignal(bool, str)  # success, result/error
+    finished = Signal(bool, str)  # success, result/error
-    status_update = pyqtSignal(str)  # status message for UI
+    status_update = Signal(str)  # status message for UI
 
     MAX_RETRIES = 2
 
@@ -452,11 +452,11 @@ class CodeEditor(QPlainTextEdit):
 class DiagramCanvas(QGraphicsView):
     """Interactive canvas for diagram editing using QGraphicsScene."""
 
-    shape_changed = pyqtSignal()  # Emitted when shapes are modified
+    shape_changed = Signal()  # Emitted when shapes are modified
-    rotation_changed = pyqtSignal(int, int)  # Emitted for 3D rotation (delta_x, delta_y)
+    rotation_changed = Signal(int, int)  # Emitted for 3D rotation (delta_x, delta_y)
-    zoom_changed = pyqtSignal(int)  # Emitted for zoom change (delta)
+    zoom_changed = Signal(int)  # Emitted for zoom change (delta)
-    element_clicked = pyqtSignal(str)  # Emitted when an element is clicked (element name)
+    element_clicked = Signal(str)  # Emitted when an element is clicked (element name)
-    view_transform_changed = pyqtSignal()  # Emitted when view transform changes (zoom)
+    view_transform_changed = Signal()  # Emitted when view transform changes (zoom)
 
     def __init__(self, parent=None):
         super().__init__(parent)
@@ -501,7 +501,7 @@ class DiagramCanvas(QGraphicsView):
         self._svg_path = None
 
         try:
-            from PyQt6.QtGui import QPixmap, QImage
+            from PySide6.QtGui import QPixmap, QImage
 
             path = Path(image_path)
 
@@ -511,7 +511,7 @@ class DiagramCanvas(QGraphicsView):
                 self._parse_svg_elements(image_path)
 
                 # Load SVG using QSvgRenderer
-                from PyQt6.QtSvg import QSvgRenderer
+                from PySide6.QtSvg import QSvgRenderer
 
                 renderer = QSvgRenderer(image_path)
                 if renderer.isValid():
@@ -728,8 +728,8 @@ class DiagramCanvas(QGraphicsView):
 class AIPanel(QWidget):
     """Bottom panel for AI interaction and dictation."""
 
-    ai_submitted = pyqtSignal(str)  # AI instruction submitted
+    ai_submitted = Signal(str)  # AI instruction submitted
-    dictate_requested = pyqtSignal()
+    dictate_requested = Signal()
 
     def __init__(self, parent=None):
         super().__init__(parent)
@@ -1149,7 +1149,7 @@ class ArtifactEditorWindow(QMainWindow):
         rotation_layout = QHBoxLayout(self.rotation_panel)
         rotation_layout.setContentsMargins(4, 4, 4, 4)
 
-        from PyQt6.QtWidgets import QSlider
+        from PySide6.QtWidgets import QSlider
 
         self.rot_x_slider = QSlider(Qt.Orientation.Horizontal)
         self.rot_x_slider.setRange(0, 360)
@@ -2632,7 +2632,7 @@ class ArtifactEditorWindow(QMainWindow):
 
     def _on_svg_create_group(self, element):
         """Create a new group containing the SVG element."""
-        from PyQt6.QtWidgets import QInputDialog
+        from PySide6.QtWidgets import QInputDialog
 
         group_id, ok = QInputDialog.getText(
             self,

src/artifact_editor/svg_interactive.py

@@ -8,9 +8,9 @@ from dataclasses import dataclass
 from enum import Enum
 from typing import Optional, List
 
-from PyQt6.QtCore import Qt, QRectF, QPointF, pyqtSignal, QSizeF, QObject
+from PySide6.QtCore import Qt, QRectF, QPointF, Signal, QSizeF, QObject
-from PyQt6.QtGui import QPen, QBrush, QColor, QCursor
+from PySide6.QtGui import QPen, QBrush, QColor, QCursor
-from PyQt6.QtWidgets import (
+from PySide6.QtWidgets import (
     QGraphicsScene, QGraphicsView, QGraphicsRectItem,
     QGraphicsItem, QMenu, QGraphicsSceneMouseEvent
 )
@@ -111,19 +111,19 @@ class SVGSelectionManager(QObject):
     """
 
     # Signals
-    element_selected = pyqtSignal(object)  # SVGElement or None
+    element_selected = Signal(object)  # SVGElement or None
-    element_moved = pyqtSignal(object, float, float)  # element, new_x, new_y
+    element_moved = Signal(object, float, float)  # element, new_x, new_y
-    element_resized = pyqtSignal(object, float, float, float, float)  # element, x, y, w, h
+    element_resized = Signal(object, float, float, float, float)  # element, x, y, w, h
 
     # Context menu signals
-    bring_to_front = pyqtSignal(object)
+    bring_to_front = Signal(object)
-    send_to_back = pyqtSignal(object)
+    send_to_back = Signal(object)
-    bring_forward = pyqtSignal(object)
+    bring_forward = Signal(object)
-    send_backward = pyqtSignal(object)
+    send_backward = Signal(object)
-    add_to_group = pyqtSignal(object, str)
+    add_to_group = Signal(object, str)
-    remove_from_group = pyqtSignal(object)
+    remove_from_group = Signal(object)
-    create_group = pyqtSignal(object)
+    create_group = Signal(object)
-    delete_element = pyqtSignal(object)
+    delete_element = Signal(object)
 
     def __init__(self, scene: QGraphicsScene, view: QGraphicsView):
         super().__init__()
@@ -327,7 +327,7 @@ class SVGSelectionManager(QObject):
 
     def eventFilter(self, obj, event):
         """Handle mouse events on the viewport."""
-        from PyQt6.QtCore import QEvent
+        from PySide6.QtCore import QEvent
 
         if obj != self.view.viewport():
             return False

src/artifact_editor/svg_scene.py

@@ -8,10 +8,10 @@ matching the actual SVG rendering.
 """
 
 from typing import Optional, List, Dict
-from PyQt6.QtCore import Qt, QPointF, QRectF, QByteArray, pyqtSignal, QObject
+from PySide6.QtCore import Qt, QPointF, QRectF, QByteArray, Signal, QObject
-from PyQt6.QtGui import QPainter, QPen, QBrush, QColor, QFont, QPolygonF, QFontMetricsF
+from PySide6.QtGui import QPainter, QPen, QBrush, QColor, QFont, QPolygonF, QFontMetricsF
-from PyQt6.QtSvg import QSvgRenderer
+from PySide6.QtSvg import QSvgRenderer
-from PyQt6.QtWidgets import (
+from PySide6.QtWidgets import (
     QGraphicsItem, QGraphicsRectItem, QGraphicsScene,
     QGraphicsView, QGraphicsSceneMouseEvent,
     QStyleOptionGraphicsItem, QWidget
@@ -595,9 +595,9 @@ class SVGSceneManager(QObject):
         scene_changed: Emitted when content changes (need to regenerate SVG)
     """
 
-    element_selected = pyqtSignal(object)
+    element_selected = Signal(object)
-    element_moved = pyqtSignal(object, float, float)
+    element_moved = Signal(object, float, float)
-    scene_changed = pyqtSignal()
+    scene_changed = Signal()
 
     def __init__(self, scene: QGraphicsScene, view: QGraphicsView):
         super().__init__()