Fix macro panel layout: console taking too much space on first open

The macro panel's vertical splitter now sets explicit initial sizes (70%
for script editor, 30% for console) to ensure proper layout when first
opened, instead of relying only on stretch factors which could result in
the console taking excessive vertical space.

Author: PierreRaybaut

datalab/gui/panel/macro.py

@@ -204,6 +204,10 @@ def __init__(self, parent: QW.QMainWindow) -> None:
             self.addWidget(widget)
         self.setStretchFactor(0, 2)
         self.setStretchFactor(1, 1)
+        # Set initial sizes: give more space to editor (70%) than console (30%)
+        # This ensures proper layout on first open
+        total_height = 600  # Default reasonable height
+        self.setSizes([int(total_height * 0.7), int(total_height * 0.3)])
 
         self.run_action = None
         self.stop_action = None

doc/locale/fr/LC_MESSAGES/release_notes/release_1.00.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: DataLab \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2025-12-04 15:05+0100\n"
+"POT-Creation-Date: 2025-12-04 15:55+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: fr\n"
@@ -27,6 +27,13 @@ msgstr ""
 msgid "🛠️ Bug Fixes since version 1.0.2"
 msgstr "🛠️ Correctifs depuis la version 1.0.2"
 
+msgid "**Macro panel layout:**"
+msgstr "**Disposition du panneau des macros :**"
+
+#, python-format
+msgid "Fixed macro console taking excessive vertical space on first open - the script editor now properly gets 70% of space and console 30% by default, ensuring comfortable editing without manual resizing"
+msgstr "Correction du panneau de la console des macros prenant un espace vertical excessif à la première ouverture - l'éditeur de scripts obtient désormais correctement 70 % de l'espace et la console 30 % par défaut, garantissant une édition confortable sans redimensionnement manuel"
+
 msgid "**Macro execution:**"
 msgstr "**Exécution des macros :**"
 

doc/release_notes/release_1.00.md

@@ -4,6 +4,10 @@
 
 ### 🛠️ Bug Fixes since version 1.0.2 ###
 
+**Macro panel layout:**
+
+* Fixed macro console taking excessive vertical space on first open - the script editor now properly gets 70% of space and console 30% by default, ensuring comfortable editing without manual resizing
+
 **Macro execution:**
 
 * Fixed syntax errors when using f-strings with nested quotes in macros (e.g., `f'text {func("arg")}'` now works correctly)