Elijah King

This commit **introduces new icons** to the **Codicons library**, specifically registering `chatImport` and `chatExport`. This **enhances the visual vocabulary** available for **chat-related features**, providing standardized symbols for import and export actions. As a **new capability**, it expands the set of UI elements developers can use to clearly represent these functionalities within the application.

This commit introduces dedicated `chatImport` and `chatExport` icons to the **Codicons library**, providing specific visual cues for import and export operations. It then **enhances the Chat Agent Debug Panel** by updating its 'Export Agent Debug Log' and 'Import Agent Debug Log' actions to utilize these newly defined icons. This **UI improvement** provides clearer visual identification for users interacting with the **chat agent debug log management features**.

This commit introduces a **new feature** to display agent status in a more **compact form** across the user interface. It primarily enhances the **title bar's command center** and **quick access actions**, where agent status is now rendered with a reduced visual footprint. The work involves **UI enhancements** across several **chat and agent session modules**, including styling adjustments in `titlebarpart.css` and `agenttitlebarstatuswidget.css`, and logic updates in `commandCenterControl.ts` and `agentTitleBarStatusWidget.ts`. This change aims to improve the user experience by providing a less intrusive yet informative agent status, particularly within the experimental agent session features.

This commit performs **maintenance refactoring** across the **workbench**. It improves the robustness of **Quick Access actions** by refactoring the `run` method in `src/vs/workbench/browser/actions/quickAccessActions.ts` to use `async/await` with error handling and introduces a constant for `'chat.unifiedAgentsBar.enabled'`. Additionally, it enhances the maintainability of **AI-related configuration** within the **Command Center title bar** by introducing constants for settings in `src/vs/workbench/browser/parts/titlebar/commandCenterControl.ts`. This work primarily focuses on improving code readability and stability, addressing previous comments, without introducing new features.

This commit performs a **routine merge** of the `main` branch into the `eli/compact-command-center-status` feature branch, integrating a broad range of recent developments. It primarily updates the **AI and chat-related subsystems**, including significant changes to the **Agent Host infrastructure** and the comprehensive **"Sessions" feature** (encompassing AI customization, agent feedback, code review, and chat views). Core **Chat functionality** sees updates across agent sessions, prompt syntax, language model tools, and various chat widget components. This **maintenance merge** ensures the feature branch is synchronized with the latest upstream changes, incorporating updates to the extension API for chat and language models, as well as terminal chat agent tools.

This commit primarily **fixes** issues related to **settings management** and **window title generation** across the workbench. It refactors the **Quick Access** action to conditionally use a unified bar based on a new configuration, ensuring a fallback to the classic experience if the unified bar is not enabled or fails. Furthermore, it updates the **Command Center's** compact mode logic and the visibility of the **Agents menu item** to correctly respect new AI feature and agent status settings like `chat.agentStatusEnabled`. Finally, it introduces new logic for determining **agent status visibility** in the title bar and **improves the overall window title generation**, ensuring consistent display based on user preferences and feature enablement.

This commit **refactors** the **Chat agent title bar status widget** to simplify its internal logic, removing redundant state and directly handling quick access command execution on click. Concurrently, it introduces a **new configuration setting**, `chat.agentsControl.enabled`, which allows users to **control the visibility** of the agent status indicator within the title bar. This work provides enhanced user control over the **Chat UI** and improves the widget's responsiveness, addressing previous adjustments related to setting management.

This commit **refactors** the **Chat Agent UI**, specifically within the `AgentTitleBarStatusRendering` component, to improve the display logic for the **title bar status widget**. It overhauls the `_getLabel` computation and updates the application of CSS classes to depend on the **chat enablement context**. This **refactoring** enhances the robustness and accuracy of the **chat agent's visual status**, ensuring its display correctly reflects its enabled state. The changes likely resolve underlying issues related to the status display, contributing to a more stable and predictable user experience.

This commit delivers a **bug fix** for the **Command Center** located in the **workbench title bar**. It specifically adjusts the internal logic for the 'compact-mode' to correctly handle **backward compatibility** for the `chat.agentsControl.enabled` setting. This ensures that the command center's display and functionality remain consistent and correct, preventing regressions for users who utilize this chat agents control setting. The change resolves an issue introduced in a prior commit, restoring expected behavior for this interaction.

This commit **simplifies the Chat agent sessions UI** by **removing the agent status toggle and display functionality**. It **deregisters the `ToggleAgentStatusAction`**, eliminating the option to control agent status visibility from the title bar context menus within the **Chat experience**. Furthermore, the **`agentTitleBarStatusWidget`** is refactored to remove logic and rendering modes associated with the `AgentStatusEnabled` configuration, effectively making the agent status permanently hidden. This **refactoring** streamlines the **Chat UI** by removing an experimental or unnecessary element and its associated control.

This commit **refactors** the `agentTitleBarStatusWidget` within the **Chat agent sessions** feature to standardize how its status is displayed. Specifically, the `src/vs/workbench/contrib/chat/browser/agentSessions/experiments/agentTitleBarStatusWidget.ts` file is updated to leverage the `WindowTitle` service for generating the window label and decorations. This **maintenance refactoring** improves consistency and maintainability by ensuring the agent's presence in the **window title bar** adheres to established platform mechanisms. The changes primarily affect the widget's initialization and label generation logic, as seen in the `constructor` and `_getLabel` methods, streamlining how the window title is constructed for agent-related contexts.

This commit **enhances the user interface** by replacing the eye icon with a document icon for read-only agent `.md` files within the **chat mode picker**. This **UI refinement** specifically affects the `Chat` workbench contribution, improving visual clarity and consistency for users interacting with agent-generated markdown content. The change, implemented in `src/vs/workbench/contrib/chat/browser/widget/input/modePickerActionItem.ts`, ensures a more intuitive representation of these file types, making it easier to distinguish their read-only status.

This commit performs a **maintenance merge**, integrating the latest changes from the `main` branch into the `copilot/replace-eye-icon-with-document-icon` feature branch. This operation ensures the feature branch remains current with the core codebase, preventing potential conflicts and facilitating ongoing development. The merge primarily impacts the **Browser View** and **Chat** subsystems, as indicated by the modified files. This work is part of an effort to **update the user interface**, specifically to **replace an eye icon with a document icon**, likely within the Copilot or chat-related features. The downstream impact is improved stability and consistency for future UI enhancements in these areas.

This commit integrates a significant set of **internal refactorings and updates** from the `main` branch into the current feature branch. It broadly impacts **core workbench components**, including **BrowserView implementations**, various **sessions management features**, and extensive parts of the **chat and AI customization subsystems**. The changes encompass updates to common definitions, service implementations, UI components, and their corresponding tests, representing a general **maintenance merge** to keep the branch synchronized with recent code hygiene and improvements.

This commit primarily **refactors** the **Chat feature**, focusing on its agent status functionality and configuration. It **simplifies** the `toggled` condition for the `ToggleAgentStatusAction` in `agentSessionProjectionActions.ts` by removing a redundant context key check, contributing to more **compact** and clear logic. Concurrently, the commit cleans up the **Chat configuration system** by updating the schema for `ChatConfiguration.AgentStatusEnabled` in `chat.contribution.ts`, removing deprecated boolean types and their descriptions to achieve a more streamlined configuration. This **refactoring** effort enhances the maintainability and robustness of the chat agent status feature.

This commit significantly **improves keyboard accessibility** for the **Chat agent status widget** by implementing **roving tabindex** and refining its focus styles. It also **extends session filtering capabilities** within **Chat agent sessions** to include a 'needs input' status, offering users more granular control over their session views. Additionally, a minor **maintenance fix** addresses a typo in the `addRule` method call within the **theming infrastructure**. This work collectively **enhances the user experience** and **accessibility** of the chat feature.

This commit **enhances** the **Chat agent session title bar status widget** by **refactoring** its display logic to distinctly separate 'needs input' sessions from general 'in progress' sessions. The `render` function in `agentTitleBarStatusWidget.ts` was updated to support this new categorization, while `agenttitlebarstatuswidget.css` received **styling adjustments** for spacing, borders, and backgrounds. This change improves the visual clarity and organization of chat agent session statuses, particularly in compact modes, by providing a more intuitive overview of sessions requiring user interaction.

This commit **refactors** the **chat agent status display** to introduce a **new string-based agent control mode**, replacing the previous boolean configuration with more granular options: 'hidden', 'badge', and 'compact'. This involves significant **rework of the `AgentTitleBarStatusWidget`** rendering, interaction, and styling, as well as updating the `ToggleAgentStatusAction` and menu visibility conditions. A new `AgentControlMode` type and `getAgentControlMode` utility function are added to `constants.ts` to manage this configuration and ensure **backward compatibility**, providing users with enhanced control over the agent status UI.

This commit introduces a **compact mode** for the **Command Center** and **inline agent status display** within the title bar. When both `chat.unifiedAgentsBar.enabled` and `chat.agentsControl.enabled` are active, the Command Center shows a left-aligned workspace title without a search icon, while the **Chat Agent Status Widget** renders its badges inline with a reversed order. This **feature enhancement** streamlines the **title bar UI**, providing a more integrated and space-efficient experience for users leveraging advanced chat agent capabilities. The changes affect `src/vs/workbench/browser/parts/titlebar/commandCenterControl.ts` and `src/vs/workbench/contrib/chat/browser/agentSessions/experiments/agentTitleBarStatusWidget.ts`, along with their respective CSS files, to implement the new layout and styling.

Merge pull request #299634 from microsoft/eli/steer-button-swap