Add enterprise policies for dictation data (#332953)

Fixes #331845

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

build/lib/policies/policyData.jsonc

@@ -734,6 +734,50 @@
             "default": true,
             "included": true
         },
+        {
+            "key": "dictation.experimental.llmCleanup",
+            "name": "DictationLLMCleanup",
+            "category": "InteractiveSession",
+            "minimumVersion": "1.136",
+            "localization": {
+                "description": {
+                    "key": "dictation.experimental.llmCleanup.policy",
+                    "value": "Controls whether final dictation transcripts are sent to a language model for cleanup."
+                }
+            },
+            "type": "boolean",
+            "default": true,
+            "included": true
+        },
+        {
+            "key": "dictation.model",
+            "name": "DictationModel",
+            "category": "InteractiveSession",
+            "minimumVersion": "1.136",
+            "localization": {
+                "description": {
+                    "key": "dictation.model.policy",
+                    "value": "Controls the transcription model used for dictation."
+                },
+                "enumDescriptions": [
+                    {
+                        "key": "dictation.model.nemotronMultilingual.policy",
+                        "value": "Use the on-device transcription model. Audio does not leave the device."
+                    },
+                    {
+                        "key": "dictation.model.mai.policy",
+                        "value": "Use the cloud transcription service. Audio is streamed to the service."
+                    }
+                ]
+            },
+            "type": "string",
+            "default": "nemotron-3.5-asr-streaming-0.6b",
+            "enum": [
+                "nemotron-3.5-asr-streaming-0.6b",
+                "mai"
+            ],
+            "included": true
+        },
         {
             "key": "extensions.allowed",
             "name": "AllowedExtensions",

src/vs/workbench/contrib/chat/browser/chat.shared.contribution.ts

@@ -315,7 +315,28 @@ configurationRegistry.registerConfiguration({
 			markdownDescription: nls.localize('dictation.model', "The model used for dictation. On-device models download on first use and run locally through Microsoft Foundry Local; the cloud option streams audio to the Microsoft AI voice service."),
 			default: DEFAULT_LOCAL_TRANSCRIPTION_MODEL,
 			tags: ['experimental'],
-			experiment: { mode: 'auto' }
+			experiment: { mode: 'auto' },
+			policy: {
+				name: 'DictationModel',
+				category: PolicyCategory.InteractiveSession,
+				minimumVersion: '1.136',
+				localization: {
+					description: {
+						key: 'dictation.model.policy',
+						value: nls.localize('dictation.model.policy', "Controls the transcription model used for dictation.")
+					},
+					enumDescriptions: [
+						{
+							key: 'dictation.model.nemotronMultilingual.policy',
+							value: nls.localize('dictation.model.nemotronMultilingual.policy', "Use the on-device transcription model. Audio does not leave the device.")
+						},
+						{
+							key: 'dictation.model.mai.policy',
+							value: nls.localize('dictation.model.mai.policy', "Use the cloud transcription service. Audio is streamed to the service.")
+						},
+					]
+				},
+			}
 		},
 		[DictationSettingId.ShowTranscript]: {
 			type: 'boolean',
@@ -333,7 +354,18 @@ configurationRegistry.registerConfiguration({
 			type: 'boolean',
 			markdownDescription: nls.localize('dictation.experimental.llmCleanup', "Experimental: when dictation ends, the final transcript is passed through a small language model to restore punctuation, capitalization, paragraphs, and lists. Requires Copilot to be enabled; the transcript is sent to the language model for cleanup. Falls back to the raw transcript when no model is available. Use [dictation instructions](command:{0}) to customize terminology and formatting.", CONFIGURE_DICTATION_INSTRUCTIONS_ACTION_ID),
 			default: true,
-			tags: ['experimental']
+			tags: ['experimental'],
+			policy: {
+				name: 'DictationLLMCleanup',
+				category: PolicyCategory.InteractiveSession,
+				minimumVersion: '1.136',
+				localization: {
+					description: {
+						key: 'dictation.experimental.llmCleanup.policy',
+						value: nls.localize('dictation.experimental.llmCleanup.policy', "Controls whether final dictation transcripts are sent to a language model for cleanup.")
+					}
+				},
+			}
 		},
 		'dictation.experimental.llmCleanupModel': {
 			type: 'string',