ui: Replace per-conversation MCP overrides with per-conversation tool policy

tools/ui/src/lib/components/app/chat/ChatForm/ChatForm.svelte

@@ -23,7 +23,8 @@
 		FileExtensionText,
 		KeyboardKey,
 		MimeTypeText,
-		SpecialFileType
+		SpecialFileType,
+		ToolSource
 	} from '$lib/enums';
 	import { useChatFormPickers } from '$lib/hooks/use-chat-form-pickers.svelte';
 	import {
@@ -73,7 +74,6 @@
 		disabled?: boolean;
 		isLoading?: boolean;
 		placeholder?: string;
-		showMcpPromptButton?: boolean;
 		showAddButton?: boolean;
 		showModelSelector?: boolean;
 
@@ -103,7 +103,6 @@
 		onValueChange,
 		placeholder = 'Type a message...',
 		showAddButton = true,
-		showMcpPromptButton = false,
 		showModelSelector = true,
 		uploadedFiles = $bindable([]),
 		value = $bindable('')
@@ -152,9 +151,18 @@
 		getServerHome: () => toolsStore.serverHome ?? null,
 		getShowModelSelector: () => showModelSelector,
 		getValue: () => value,
-		hasCwdTools: () => toolsStore.hasEnabledCwdTools,
-		hasPrompts: () =>
-			mcpStore.hasPromptsCapability(conversationsStore.preferences.getAllMcpServerOverrides()),
+		hasCwdTools: () => conversationsStore.preferences.hasEnabledCwdTools(),
+		// policy-aware, same rule as the agentic flow: MCP category on and at
+		// least one globally-enabled server whose group key is not disabled
+		hasPrompts: () => {
+			const prefs = conversationsStore.preferences;
+
+			if (!prefs.isCategoryEnabled(ToolSource.MCP)) return false;
+
+			return mcpStore
+				.getServers()
+				.some((s) => s.enabled && prefs.isServerToolsEnabled(s.id) && s.url.trim());
+		},
 		openModelSelector: () => chatFormActionsRef?.openModelSelector(),
 		setCaretOffset: (offset) => inputRef?.setCaretOffset(offset),
 		setValue: (v) => {
@@ -620,8 +628,6 @@
 				isReasoning={chatStore.isReasoning}
 				{isRecording}
 				onFileUpload={handleFileUpload}
-				onMcpPromptClick={showMcpPromptButton ? () => pickers.openPromptPicker() : undefined}
-				onMcpResourcesClick={() => (isResourceDialogOpen = true)}
 				onMcpSettingsClick={() => (isMcpServersDialogOpen = true)}
 				onMicClick={handleMicClick}
 				{onStop}
@@ -635,7 +641,7 @@
 
 	<ContextGaugePopup />
 
-	{#if toolsStore.hasEnabledCwdTools}
+	{#if conversationsStore.preferences.hasEnabledCwdTools()}
 		<ChatFormCurrentWorkingDirectory
 			bind:query={pickers.workingDirectoryQuery}
 			customAnchor={mentionAnchor}

tools/ui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActionAdd/ChatFormActionAddDropdown.svelte

@@ -30,15 +30,11 @@
 	const attachmentMenu = useAttachmentMenu(
 		() => ({
 			hasAudioModality: chatFormActions.hasAudioModality,
-			hasMcpPromptsSupport: chatFormActions.hasMcpPromptsSupport,
-			hasMcpResourcesSupport: chatFormActions.hasMcpResourcesSupport,
 			hasVideoModality: chatFormActions.hasVideoModality,
 			hasVisionModality: chatFormActions.hasVisionModality
 		}),
 		() => ({
 			onFileUpload: chatFormActions.onFileUpload,
-			onMcpPromptClick: chatFormActions.onMcpPromptClick,
-			onMcpResourcesClick: chatFormActions.onMcpResourcesClick,
 			onSystemPromptClick: chatFormActions.onSystemPromptClick
 		}),
 		() => {