Agents - add editor layout toolbar to the editor title

[lszomoru]

Adds a new editor layout toolbar for the editor part in the Agents app.

[github-actions]

Screenshot Changes

Base: ace385c3 Current: 6e9a047a

Changed (37)

chat/aiCustomizations/aiCustomizationManagementEditor/LocalHarness/Dark

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chat/aiCustomizations/aiCustomizationManagementEditor/LocalHarness/Light

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chat/aiCustomizations/aiCustomizationManagementEditor/Sessions/Dark

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chat/aiCustomizations/aiCustomizationManagementEditor/McpDisabledByUser/Dark

chat/aiCustomizations/aiCustomizationManagementEditor/McpDisabledByUser/Light

chat/aiCustomizations/aiCustomizationManagementEditor/McpDisabledByPolicy/Dark

chat/aiCustomizations/aiCustomizationManagementEditor/McpDisabledByPolicy/Light

chat/aiCustomizations/aiCustomizationManagementEditor/PluginsDisabledByUser/Dark

chat/aiCustomizations/aiCustomizationManagementEditor/PluginsDisabledByUser/Light

chat/aiCustomizations/aiCustomizationManagementEditor/PluginsDisabledByPolicy/Dark

chat/aiCustomizations/aiCustomizationManagementEditor/PluginsDisabledByPolicy/Light

chat/aiCustomizations/aiCustomizationManagementEditor/AgentsItemEditor/Dark

chat/aiCustomizations/aiCustomizationManagementEditor/AgentsItemEditor/Light

chat/aiCustomizations/aiCustomizationManagementEditor/McpServerDetail/Dark

chat/aiCustomizations/aiCustomizationManagementEditor/McpServerDetail/Light

chat/aiCustomizations/aiCustomizationManagementEditor/PluginDetail/Dark

chat/aiCustomizations/aiCustomizationManagementEditor/PluginDetail/Light

[Copilot]

Pull request overview

This PR explores adding dedicated “layout” controls to the editor title by introducing a separate toolbar/menu for layout-related actions and adjusting the wrapped-tabs layout to account for this extra action area.

Changes:

• Added a new MenuId.EditorTitleLayout and wired a second “layout actions” toolbar into EditorTabsControl.
• Updated multi-editor tab wrapping layout to reserve space for the additional toolbar area.
• Moved Sessions window maximize/restore actions into the new layout menu and added a new “Close Editor” action entry.

Show a summary per file

File	Description
src/vs/workbench/browser/parts/editor/multiEditorTabsControl.ts	Accounts for an additional actions container width when computing wrapped-tab margins/overlaps.
src/vs/workbench/browser/parts/editor/media/multieditortabscontrol.css	Adds styling/positioning for a separator and a trailing actions area, including wrapping behavior.
src/vs/workbench/browser/parts/editor/editorTabsControl.ts	Introduces a second toolbar for layout actions and the associated lifecycle/update logic.
src/vs/sessions/contrib/changes/browser/changesViewActions.ts	Registers Sessions-specific actions under EditorTitleLayout and adds a new “Close Editor” action entry.
src/vs/platform/actions/common/actions.ts	Adds MenuId.EditorTitleLayout.
build/lib/stylelint/vscode-known-variables.json	Adds the new CSS variable name to the allowlist.

Copilot's findings

• Files reviewed: 6/6 changed files
• Comments generated: 5