release/v5.2.3

[code-crusher]

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[matter-code-review]

Context

Summary By MatterAI

🔄 What Changed

This PR updates the extension version to 5.2.3 and performs a significant refactor of the ChatTextArea component. It introduces a new structured layout for the chat input, including a dedicated bottom controls section for model/mode selection, context indicators, and action buttons (Send, Cancel, Add Context).

🔍 Impact of the Change

The UI/UX of the chat interface is improved with better visual feedback for focus and drag-and-drop states. Centralizing controls like the ModelSelector and KiloModeSelector within the text area container provides a more cohesive and modern input experience.

📁 Total Files Changed

Click to Expand

File	ChangeLog
Version Bump src/package.json	Updated version to 5.2.3.
UI Refactor webview-ui/src/components/chat/ChatTextArea.tsx	Major overhaul of the input UI, adding a bottom toolbar and state-driven styling.
Style Fix webview-ui/src/components/chat/ContextUsageIndicator.tsx	Added cn utility for flexible class merging.

🧪 Test Added/Recommended

Recommended

• Unit Tests: Validate conditional rendering of the 'Send' vs 'Stop' button based on isStreaming state.
• Integration Tests: Verify that clicking the 'Add Context (@)' button correctly updates the input value and triggers the context menu.
• UI Regression: Ensure the containerWidth logic correctly hides/shows indicators on different sidebar widths.

🔒 Security Vulnerabilities

N/A

Implementation

The ChatTextArea was refactored to use a flex-column layout. The top portion contains the editable text area and placeholder, while the bottom portion hosts a new toolbar. Tailwind classes were used to handle dynamic borders and backgrounds based on isFocused and isDraggingOver states. The renderTextAreaSection helper was updated to encapsulate this new structure.

Screenshots

before	after
N/A	N/A

How to Test

• Open the Matter AI chat panel.
• Verify the new border highlight when the text area is focused.
• Check that the Model and Mode selectors are visible at the bottom of the input box.
• Click the '@' paperclip icon to ensure it appends '@' to the input.
• Start a request and verify the 'Send' icon changes to a 'Stop' square.

Get in Touch

N/A

[matter-code-review]

🧪 PR Review is completed: The UI refactor for ChatTextArea improves the layout and grouping of controls. I've identified a few opportunities to clean up redundant logic, fix potential CSS issues, and improve input handling UX.

⬇️ Low Priority Suggestions (2)

webview-ui/src/components/chat/ChatTextArea.tsx (2 suggestions)

Location: webview-ui/src/components/chat/ChatTextArea.tsx (Lines 1470-1474)

🟡 Code Quality

Issue: The ternary operator logic for the border class is redundant. The isFocused (true) branch and the default (false) branch return the identical class string.

Fix: Simplify the condition to check for dragging only when not focused.

Impact: Improves code readability and reduces complexity.

-  					isFocused
-  						? "border border-[var(--color-matterai-border)]"
-  						: isDraggingOver
-  							? "border-2 border-dashed border-[var(--color-matterai-border)]"
-  							: "border border-[var(--color-matterai-border)]",
+  					!isFocused && isDraggingOver
+  						? "border-2 border-dashed border-[var(--color-matterai-border)]"
+  						: "border border-[var(--color-matterai-border)]",

Location: webview-ui/src/components/chat/ChatTextArea.tsx (Lines 1602-1602)

🟡 UX Improvement

Issue: Appending @ to an empty inputValue results in a leading space (e.g., " @"), which is usually undesirable.

Fix: Check if inputValue has content before prepending the space.

Impact: Improves the user experience by preventing unnecessary leading whitespace.

-  									setInputValue(`${inputValue} @`)
+  									setInputValue(inputValue ? `${inputValue} @` : "@")

[matter-code-review]

🟡 Code Quality

Issue: transition-background-color and will-change-background-color are not standard Tailwind CSS utility classes (unless custom configured). This likely means the transition effect is not being applied.

Fix: Use the standard transition-colors utility which handles background color transitions. Remove will-change as it's generally unnecessary for simple color transitions.

Impact: Ensures the intended transition effects work correctly.

Suggested change

	"transition-background-color duration-150 ease-in-out",
	"will-change-background-color",
	"transition-colors duration-150 ease-in-out",