feat: add voice dictation beta#5213

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feat: add voice dictation beta #5213

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1dbfe76
feat: add voice dictation beta
t3-code[bot] Aug 2, 2026
b5aa8b6
fix: simplify voice dictation providers
t3-code[bot] Aug 2, 2026
bf3ecf0
fix: split transcription input errors
t3-code[bot] Aug 2, 2026
dbbe349
fix: bound transcription response processing
t3-code[bot] Aug 2, 2026
ecbafb6
fix: follow effect recovery conventions
t3-code[bot] Aug 2, 2026
14315f5
feat: improve voice dictation configuration and recording
maria-rcks Aug 2, 2026
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4 changes: 4 additions & 0 deletions apps/desktop/src/settings/DesktopClientSettings.test.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
sidebarV2Enabled: false,
sidebarV2ConfiguredByUser: false,
timestampFormat: "24-hour",
voiceTranscriptionEnabled: true,
voiceTranscriptionProvider: "openai",
voiceTranscriptionApiKey: "",
voiceTranscriptionModel: "",
wordWrap: true,
};

Expand Down
129 changes: 129 additions & 0 deletions apps/server/src/http.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
forwardVoiceTranscription,
listVoiceTranscriptionModels,
MAX_TRANSCRIPTION_AUDIO_BYTES,
readTranscriptionAudio,
resolveTranscriptionProvider,
transcriptionEnvironmentApiKeyStatus,
TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
"GET",
TRANSCRIPTION_PATH,
Effect.gen(function* () {
yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
const [openai, groq] = yield* Effect.all([
transcriptionEnvironmentApiKeyStatus("openai"),
transcriptionEnvironmentApiKeyStatus("groq"),
]);
return HttpServerResponse.jsonUnsafe({ openai, groq });
}).pipe(
Effect.catchTags({
EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
EnvironmentInternalError: HttpServerRespondable.toResponse,
EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
}),
),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
"POST",
TRANSCRIPTION_PATH,
Effect.gen(function* () {
yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
const request = yield* HttpServerRequest.HttpServerRequest;
const declaredLength = Number(request.headers["content-length"] ?? "0");
if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
return HttpServerResponse.jsonUnsafe(
{ error: "The recording exceeds the 25 MB limit." },
{ status: 413 },
);
}

const provider = resolveTranscriptionProvider(
request.headers["x-t3-transcription-provider"] ?? "",
);
if (!provider) {
return yield* new TranscriptionProviderUnsupportedError();
}

const audio = yield* readTranscriptionAudio(request.stream);
const text = yield* forwardVoiceTranscription({
audio,
audioMimeType: request.headers["content-type"] ?? "audio/webm",
provider,
apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
model: request.headers["x-t3-transcription-model"] ?? "",
});
return HttpServerResponse.jsonUnsafe({ text });
}).pipe(
Effect.catchTags({
EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
EnvironmentInternalError: HttpServerRespondable.toResponse,
EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
TranscriptionAudioTooLargeError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
TranscriptionApiKeyMissingError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
TranscriptionBodyReadError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
TranscriptionEmptyAudioError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
TranscriptionModelMissingError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
TranscriptionProviderError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
TranscriptionProviderUnsupportedError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
TranscriptionRequestError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
TranscriptionResponseError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
}),
),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
"GET",
TRANSCRIPTION_MODELS_PATH,
Effect.gen(function* () {
yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
const request = yield* HttpServerRequest.HttpServerRequest;
const provider = resolveTranscriptionProvider(
request.headers["x-t3-transcription-provider"] ?? "",
);
if (!provider) {
return yield* new TranscriptionProviderUnsupportedError();
}
const models = yield* listVoiceTranscriptionModels({
provider,
apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
});
return HttpServerResponse.jsonUnsafe({ models });
}).pipe(
Effect.catchTags({
EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
EnvironmentInternalError: HttpServerRespondable.toResponse,
EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
TranscriptionApiKeyMissingError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
TranscriptionProviderError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
TranscriptionProviderUnsupportedError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
TranscriptionRequestError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
TranscriptionResponseError: (error) =>
Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
}),
),
);

export const transcriptionRouteLayer = Layer.mergeAll(
transcriptionConfigRouteLayer,
transcriptionModelsRouteLayer,
transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
"GET",
`${ASSET_ROUTE_PREFIX}/*`,
Expand Down
3 changes: 3 additions & 0 deletions apps/server/src/httpCors.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
"traceparent",
"content-type",
"dpop",
"x-t3-transcription-api-key",
"x-t3-transcription-model",
"x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down
6 changes: 6 additions & 0 deletions apps/server/src/server.test.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
"content-type",
"dpop",
"traceparent",
"x-t3-transcription-api-key",
"x-t3-transcription-model",
"x-t3-transcription-provider",
]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
"content-type",
"dpop",
"traceparent",
"x-t3-transcription-api-key",
"x-t3-transcription-model",
"x-t3-transcription-provider",
]);
}).pipe(Effect.provide(NodeHttpServer.layerTest)),
);
Expand Down
2 changes: 2 additions & 0 deletions apps/server/src/server.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
otlpTracesProxyRouteLayer,
transcriptionRouteLayer,
assetRouteLayer,
serverEnvironmentHttpApiLayer,
staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
Layer.provide(environmentAuthenticatedAuthLayer),
),
otlpTracesProxyRouteLayer,
transcriptionRouteLayer,
assetRouteLayer,
staticAndDevRouteLayer,
websocketRpcRouteLayer,
Expand Down
120 changes: 120 additions & 0 deletions apps/server/src/transcription.test.ts
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
forwardVoiceTranscription,
listVoiceTranscriptionModels,
MAX_TRANSCRIPTION_AUDIO_BYTES,
readTranscriptionAudio,
resolveTranscriptionProvider,
transcriptionEnvironmentApiKeyStatus,
transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
it("uses fixed OpenAI and Groq configurations", () => {
expect(resolveTranscriptionProvider("openai")).toBe("openai");
expect(transcriptionProviderConfig("openai")).toEqual({
endpoint: "https://api.openai.com/v1/audio/transcriptions",
modelsEndpoint: "https://api.openai.com/v1/models",
apiKeyEnvironmentVariable: "OPENAI_API_KEY",
});
expect(resolveTranscriptionProvider("groq")).toBe("groq");
expect(transcriptionProviderConfig("groq")).toEqual({
endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
modelsEndpoint: "https://api.groq.com/openai/v1/models",
apiKeyEnvironmentVariable: "GROQ_API_KEY",
});
expect(resolveTranscriptionProvider("custom")).toBeNull();
});

it.effect("loads accessible transcription models with the provider API key", () =>
Effect.gen(function* () {
let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
const client = HttpClient.make((request) =>
Effect.sync(() => {
capturedRequest = request;
return HttpClientResponse.fromWeb(
request,
Response.json({
data: [
{ id: "gpt-4o" },
{ id: " whisper-1 " },
{ id: "gpt-4o-mini-transcribe" },
{ id: "gpt-4o-mini-transcribe" },
],
}),
);
}),
);

const models = yield* listVoiceTranscriptionModels({
provider: "openai",
apiKey: "client-openai-key",
}).pipe(Effect.provideService(HttpClient.HttpClient, client));

expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
}),
);

it.effect("uses a provider API key from the server environment", () =>
Effect.gen(function* () {
let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
const client = HttpClient.make((request) =>
Effect.sync(() => {
capturedRequest = request;
return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
}),
);

const transcript = yield* forwardVoiceTranscription({
audio: new Uint8Array([1, 2, 3]),
audioMimeType: "audio/webm;codecs=opus",
provider: "groq",
apiKey: "",
model: "whisper-large-v3",
}).pipe(Effect.provideService(HttpClient.HttpClient, client));

expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
expect(transcript).toBe("groq transcript");
expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
expect(capturedRequest?.body._tag).toBe("FormData");
if (capturedRequest?.body._tag === "FormData") {
expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
}
}).pipe(
Effect.provide(
ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
),
),
);
});

describe("readTranscriptionAudio", () => {
it.effect("combines streamed audio chunks", () =>
Effect.gen(function* () {
const audio = yield* readTranscriptionAudio(
Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
);
expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
}),
);

it.effect("stops when streamed audio exceeds the limit", () =>
Effect.gen(function* () {
const error = yield* readTranscriptionAudio(
Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
).pipe(Effect.flip);
expect(error._tag).toBe("TranscriptionAudioTooLargeError");
}),
);
});
Loading
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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feat: add voice dictation beta#5213

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feat: add voice dictation beta
#5213
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1dbfe76

feat: add voice dictation beta


t3-code[bot] Aug 2, 2026
b5aa8b6

fix: simplify voice dictation providers


t3-code[bot] Aug 2, 2026
bf3ecf0

fix: split transcription input errors


t3-code[bot] Aug 2, 2026
dbbe349

fix: bound transcription response processing


t3-code[bot] Aug 2, 2026
ecbafb6

fix: follow effect recovery conventions


t3-code[bot] Aug 2, 2026
14315f5

feat: improve voice dictation configuration and recording


maria-rcks Aug 2, 2026

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4 changes: 4 additions & 0 deletions
apps/desktop/src/settings/DesktopClientSettings.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
 sidebarV2Enabled: false,
 sidebarV2ConfiguredByUser: false,
 timestampFormat: "24-hour",
 voiceTranscriptionEnabled: true,
 voiceTranscriptionProvider: "openai",
 voiceTranscriptionApiKey: "",
 voiceTranscriptionModel: "",
 wordWrap: true,
};

Expand Down

129 changes: 129 additions & 0 deletions
apps/server/src/http.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
 ),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const [openai, groq] = yield* Effect.all([
 transcriptionEnvironmentApiKeyStatus("openai"),
 transcriptionEnvironmentApiKeyStatus("groq"),
 ]);
 return HttpServerResponse.jsonUnsafe({ openai, groq });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 }),
 ),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
 "POST",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const declaredLength = Number(request.headers["content-length"] ?? "0");
 if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
 return HttpServerResponse.jsonUnsafe(
 { error: "The recording exceeds the 25 MB limit." },
 { status: 413 },
 );
 }

 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }

 const audio = yield* readTranscriptionAudio(request.stream);
 const text = yield* forwardVoiceTranscription({
 audio,
 audioMimeType: request.headers["content-type"] ?? "audio/webm",
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 model: request.headers["x-t3-transcription-model"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ text });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionAudioTooLargeError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionBodyReadError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionEmptyAudioError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionModelMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_MODELS_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }
 const models = yield* listVoiceTranscriptionModels({
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ models });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

export const transcriptionRouteLayer = Layer.mergeAll(
 transcriptionConfigRouteLayer,
 transcriptionModelsRouteLayer,
 transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
 "GET",
 `${ASSET_ROUTE_PREFIX}/*`,
Expand Down

3 changes: 3 additions & 0 deletions
apps/server/src/httpCors.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
 "traceparent",
 "content-type",
 "dpop",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down

6 changes: 6 additions & 0 deletions
apps/server/src/server.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
 }).pipe(Effect.provide(NodeHttpServer.layerTest)),
 );
Expand Down

2 changes: 2 additions & 0 deletions
apps/server/src/server.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 serverEnvironmentHttpApiLayer,
 staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
 Layer.provide(environmentAuthenticatedAuthLayer),
 ),
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 staticAndDevRouteLayer,
 websocketRpcRouteLayer,
Expand Down

120 changes: 120 additions & 0 deletions
apps/server/src/transcription.test.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
 it("uses fixed OpenAI and Groq configurations", () => {
 expect(resolveTranscriptionProvider("openai")).toBe("openai");
 expect(transcriptionProviderConfig("openai")).toEqual({
 endpoint: "https://api.openai.com/v1/audio/transcriptions",
 modelsEndpoint: "https://api.openai.com/v1/models",
 apiKeyEnvironmentVariable: "OPENAI_API_KEY",
 });
 expect(resolveTranscriptionProvider("groq")).toBe("groq");
 expect(transcriptionProviderConfig("groq")).toEqual({
 endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
 modelsEndpoint: "https://api.groq.com/openai/v1/models",
 apiKeyEnvironmentVariable: "GROQ_API_KEY",
 });
 expect(resolveTranscriptionProvider("custom")).toBeNull();
 });

 it.effect("loads accessible transcription models with the provider API key", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(
 request,
 Response.json({
 data: [
 { id: "gpt-4o" },
 { id: " whisper-1 " },
 { id: "gpt-4o-mini-transcribe" },
 { id: "gpt-4o-mini-transcribe" },
 ],
 }),
 );
 }),
 );

 const models = yield* listVoiceTranscriptionModels({
 provider: "openai",
 apiKey: "client-openai-key",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
 expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
 expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
 }),
 );

 it.effect("uses a provider API key from the server environment", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
 }),
 );

 const transcript = yield* forwardVoiceTranscription({
 audio: new Uint8Array([1, 2, 3]),
 audioMimeType: "audio/webm;codecs=opus",
 provider: "groq",
 apiKey: "",
 model: "whisper-large-v3",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
 expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
 expect(transcript).toBe("groq transcript");
 expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
 expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
 expect(capturedRequest?.body._tag).toBe("FormData");
 if (capturedRequest?.body._tag === "FormData") {
 expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
 expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
 }
 }).pipe(
 Effect.provide(
 ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
 ),
 ),
 );
});

describe("readTranscriptionAudio", () => {
 it.effect("combines streamed audio chunks", () =>
 Effect.gen(function* () {
 const audio = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
 );
 expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
 }),
 );

 it.effect("stops when streamed audio exceeds the limit", () =>
 Effect.gen(function* () {
 const error = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
 ).pipe(Effect.flip);
 expect(error._tag).toBe("TranscriptionAudioTooLargeError");
 }),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: add voice dictation beta#5213

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feat: add voice dictation beta
#5213
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1dbfe76

feat: add voice dictation beta


t3-code[bot] Aug 2, 2026
b5aa8b6

fix: simplify voice dictation providers


t3-code[bot] Aug 2, 2026
bf3ecf0

fix: split transcription input errors


t3-code[bot] Aug 2, 2026
dbbe349

fix: bound transcription response processing


t3-code[bot] Aug 2, 2026
ecbafb6

fix: follow effect recovery conventions


t3-code[bot] Aug 2, 2026
14315f5

feat: improve voice dictation configuration and recording


maria-rcks Aug 2, 2026

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4 changes: 4 additions & 0 deletions
apps/desktop/src/settings/DesktopClientSettings.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
 sidebarV2Enabled: false,
 sidebarV2ConfiguredByUser: false,
 timestampFormat: "24-hour",
 voiceTranscriptionEnabled: true,
 voiceTranscriptionProvider: "openai",
 voiceTranscriptionApiKey: "",
 voiceTranscriptionModel: "",
 wordWrap: true,
};

Expand Down

129 changes: 129 additions & 0 deletions
apps/server/src/http.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
 ),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const [openai, groq] = yield* Effect.all([
 transcriptionEnvironmentApiKeyStatus("openai"),
 transcriptionEnvironmentApiKeyStatus("groq"),
 ]);
 return HttpServerResponse.jsonUnsafe({ openai, groq });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 }),
 ),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
 "POST",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const declaredLength = Number(request.headers["content-length"] ?? "0");
 if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
 return HttpServerResponse.jsonUnsafe(
 { error: "The recording exceeds the 25 MB limit." },
 { status: 413 },
 );
 }

 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }

 const audio = yield* readTranscriptionAudio(request.stream);
 const text = yield* forwardVoiceTranscription({
 audio,
 audioMimeType: request.headers["content-type"] ?? "audio/webm",
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 model: request.headers["x-t3-transcription-model"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ text });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionAudioTooLargeError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionBodyReadError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionEmptyAudioError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionModelMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_MODELS_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }
 const models = yield* listVoiceTranscriptionModels({
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ models });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

export const transcriptionRouteLayer = Layer.mergeAll(
 transcriptionConfigRouteLayer,
 transcriptionModelsRouteLayer,
 transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
 "GET",
 `${ASSET_ROUTE_PREFIX}/*`,
Expand Down

3 changes: 3 additions & 0 deletions
apps/server/src/httpCors.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
 "traceparent",
 "content-type",
 "dpop",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down

6 changes: 6 additions & 0 deletions
apps/server/src/server.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
 }).pipe(Effect.provide(NodeHttpServer.layerTest)),
 );
Expand Down

2 changes: 2 additions & 0 deletions
apps/server/src/server.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 serverEnvironmentHttpApiLayer,
 staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
 Layer.provide(environmentAuthenticatedAuthLayer),
 ),
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 staticAndDevRouteLayer,
 websocketRpcRouteLayer,
Expand Down

120 changes: 120 additions & 0 deletions
apps/server/src/transcription.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
 it("uses fixed OpenAI and Groq configurations", () => {
 expect(resolveTranscriptionProvider("openai")).toBe("openai");
 expect(transcriptionProviderConfig("openai")).toEqual({
 endpoint: "https://api.openai.com/v1/audio/transcriptions",
 modelsEndpoint: "https://api.openai.com/v1/models",
 apiKeyEnvironmentVariable: "OPENAI_API_KEY",
 });
 expect(resolveTranscriptionProvider("groq")).toBe("groq");
 expect(transcriptionProviderConfig("groq")).toEqual({
 endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
 modelsEndpoint: "https://api.groq.com/openai/v1/models",
 apiKeyEnvironmentVariable: "GROQ_API_KEY",
 });
 expect(resolveTranscriptionProvider("custom")).toBeNull();
 });

 it.effect("loads accessible transcription models with the provider API key", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(
 request,
 Response.json({
 data: [
 { id: "gpt-4o" },
 { id: " whisper-1 " },
 { id: "gpt-4o-mini-transcribe" },
 { id: "gpt-4o-mini-transcribe" },
 ],
 }),
 );
 }),
 );

 const models = yield* listVoiceTranscriptionModels({
 provider: "openai",
 apiKey: "client-openai-key",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
 expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
 expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
 }),
 );

 it.effect("uses a provider API key from the server environment", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
 }),
 );

 const transcript = yield* forwardVoiceTranscription({
 audio: new Uint8Array([1, 2, 3]),
 audioMimeType: "audio/webm;codecs=opus",
 provider: "groq",
 apiKey: "",
 model: "whisper-large-v3",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
 expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
 expect(transcript).toBe("groq transcript");
 expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
 expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
 expect(capturedRequest?.body._tag).toBe("FormData");
 if (capturedRequest?.body._tag === "FormData") {
 expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
 expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
 }
 }).pipe(
 Effect.provide(
 ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
 ),
 ),
 );
});

describe("readTranscriptionAudio", () => {
 it.effect("combines streamed audio chunks", () =>
 Effect.gen(function* () {
 const audio = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
 );
 expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
 }),
 );

 it.effect("stops when streamed audio exceeds the limit", () =>
 Effect.gen(function* () {
 const error = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
 ).pipe(Effect.flip);
 expect(error._tag).toBe("TranscriptionAudioTooLargeError");
 }),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
feat: add voice dictation beta#5213

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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 Open

t3-code
wants to merge
6
commits into

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feat: add voice dictation beta
#5213
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1dbfe76

feat: add voice dictation beta


t3-code[bot] Aug 2, 2026
b5aa8b6

fix: simplify voice dictation providers


t3-code[bot] Aug 2, 2026
bf3ecf0

fix: split transcription input errors


t3-code[bot] Aug 2, 2026
dbbe349

fix: bound transcription response processing


t3-code[bot] Aug 2, 2026
ecbafb6

fix: follow effect recovery conventions


t3-code[bot] Aug 2, 2026
14315f5

feat: improve voice dictation configuration and recording


maria-rcks Aug 2, 2026

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Filter by extension
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4 changes: 4 additions & 0 deletions
apps/desktop/src/settings/DesktopClientSettings.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
 sidebarV2Enabled: false,
 sidebarV2ConfiguredByUser: false,
 timestampFormat: "24-hour",
 voiceTranscriptionEnabled: true,
 voiceTranscriptionProvider: "openai",
 voiceTranscriptionApiKey: "",
 voiceTranscriptionModel: "",
 wordWrap: true,
};

Expand Down

129 changes: 129 additions & 0 deletions
apps/server/src/http.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
 ),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const [openai, groq] = yield* Effect.all([
 transcriptionEnvironmentApiKeyStatus("openai"),
 transcriptionEnvironmentApiKeyStatus("groq"),
 ]);
 return HttpServerResponse.jsonUnsafe({ openai, groq });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 }),
 ),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
 "POST",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const declaredLength = Number(request.headers["content-length"] ?? "0");
 if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
 return HttpServerResponse.jsonUnsafe(
 { error: "The recording exceeds the 25 MB limit." },
 { status: 413 },
 );
 }

 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }

 const audio = yield* readTranscriptionAudio(request.stream);
 const text = yield* forwardVoiceTranscription({
 audio,
 audioMimeType: request.headers["content-type"] ?? "audio/webm",
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 model: request.headers["x-t3-transcription-model"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ text });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionAudioTooLargeError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionBodyReadError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionEmptyAudioError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionModelMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_MODELS_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }
 const models = yield* listVoiceTranscriptionModels({
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ models });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

export const transcriptionRouteLayer = Layer.mergeAll(
 transcriptionConfigRouteLayer,
 transcriptionModelsRouteLayer,
 transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
 "GET",
 `${ASSET_ROUTE_PREFIX}/*`,
Expand Down

3 changes: 3 additions & 0 deletions
apps/server/src/httpCors.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
 "traceparent",
 "content-type",
 "dpop",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down

6 changes: 6 additions & 0 deletions
apps/server/src/server.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
 }).pipe(Effect.provide(NodeHttpServer.layerTest)),
 );
Expand Down

2 changes: 2 additions & 0 deletions
apps/server/src/server.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 serverEnvironmentHttpApiLayer,
 staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
 Layer.provide(environmentAuthenticatedAuthLayer),
 ),
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 staticAndDevRouteLayer,
 websocketRpcRouteLayer,
Expand Down

120 changes: 120 additions & 0 deletions
apps/server/src/transcription.test.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
 it("uses fixed OpenAI and Groq configurations", () => {
 expect(resolveTranscriptionProvider("openai")).toBe("openai");
 expect(transcriptionProviderConfig("openai")).toEqual({
 endpoint: "https://api.openai.com/v1/audio/transcriptions",
 modelsEndpoint: "https://api.openai.com/v1/models",
 apiKeyEnvironmentVariable: "OPENAI_API_KEY",
 });
 expect(resolveTranscriptionProvider("groq")).toBe("groq");
 expect(transcriptionProviderConfig("groq")).toEqual({
 endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
 modelsEndpoint: "https://api.groq.com/openai/v1/models",
 apiKeyEnvironmentVariable: "GROQ_API_KEY",
 });
 expect(resolveTranscriptionProvider("custom")).toBeNull();
 });

 it.effect("loads accessible transcription models with the provider API key", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(
 request,
 Response.json({
 data: [
 { id: "gpt-4o" },
 { id: " whisper-1 " },
 { id: "gpt-4o-mini-transcribe" },
 { id: "gpt-4o-mini-transcribe" },
 ],
 }),
 );
 }),
 );

 const models = yield* listVoiceTranscriptionModels({
 provider: "openai",
 apiKey: "client-openai-key",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
 expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
 expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
 }),
 );

 it.effect("uses a provider API key from the server environment", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
 }),
 );

 const transcript = yield* forwardVoiceTranscription({
 audio: new Uint8Array([1, 2, 3]),
 audioMimeType: "audio/webm;codecs=opus",
 provider: "groq",
 apiKey: "",
 model: "whisper-large-v3",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
 expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
 expect(transcript).toBe("groq transcript");
 expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
 expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
 expect(capturedRequest?.body._tag).toBe("FormData");
 if (capturedRequest?.body._tag === "FormData") {
 expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
 expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
 }
 }).pipe(
 Effect.provide(
 ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
 ),
 ),
 );
});

describe("readTranscriptionAudio", () => {
 it.effect("combines streamed audio chunks", () =>
 Effect.gen(function* () {
 const audio = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
 );
 expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
 }),
 );

 it.effect("stops when streamed audio exceeds the limit", () =>
 Effect.gen(function* () {
 const error = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
 ).pipe(Effect.flip);
 expect(error._tag).toBe("TranscriptionAudioTooLargeError");
 }),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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feat: add voice dictation beta
#5213
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1dbfe76

feat: add voice dictation beta


t3-code[bot] Aug 2, 2026
b5aa8b6

fix: simplify voice dictation providers


t3-code[bot] Aug 2, 2026
bf3ecf0

fix: split transcription input errors


t3-code[bot] Aug 2, 2026
dbbe349

fix: bound transcription response processing


t3-code[bot] Aug 2, 2026
ecbafb6

fix: follow effect recovery conventions


t3-code[bot] Aug 2, 2026
14315f5

feat: improve voice dictation configuration and recording


maria-rcks Aug 2, 2026

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4 changes: 4 additions & 0 deletions
apps/desktop/src/settings/DesktopClientSettings.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
 sidebarV2Enabled: false,
 sidebarV2ConfiguredByUser: false,
 timestampFormat: "24-hour",
 voiceTranscriptionEnabled: true,
 voiceTranscriptionProvider: "openai",
 voiceTranscriptionApiKey: "",
 voiceTranscriptionModel: "",
 wordWrap: true,
};

Expand Down

129 changes: 129 additions & 0 deletions
apps/server/src/http.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
 ),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const [openai, groq] = yield* Effect.all([
 transcriptionEnvironmentApiKeyStatus("openai"),
 transcriptionEnvironmentApiKeyStatus("groq"),
 ]);
 return HttpServerResponse.jsonUnsafe({ openai, groq });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 }),
 ),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
 "POST",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const declaredLength = Number(request.headers["content-length"] ?? "0");
 if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
 return HttpServerResponse.jsonUnsafe(
 { error: "The recording exceeds the 25 MB limit." },
 { status: 413 },
 );
 }

 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }

 const audio = yield* readTranscriptionAudio(request.stream);
 const text = yield* forwardVoiceTranscription({
 audio,
 audioMimeType: request.headers["content-type"] ?? "audio/webm",
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 model: request.headers["x-t3-transcription-model"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ text });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionAudioTooLargeError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionBodyReadError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionEmptyAudioError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionModelMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_MODELS_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }
 const models = yield* listVoiceTranscriptionModels({
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ models });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

export const transcriptionRouteLayer = Layer.mergeAll(
 transcriptionConfigRouteLayer,
 transcriptionModelsRouteLayer,
 transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
 "GET",
 `${ASSET_ROUTE_PREFIX}/*`,
Expand Down

3 changes: 3 additions & 0 deletions
apps/server/src/httpCors.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
 "traceparent",
 "content-type",
 "dpop",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down

6 changes: 6 additions & 0 deletions
apps/server/src/server.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
 }).pipe(Effect.provide(NodeHttpServer.layerTest)),
 );
Expand Down

2 changes: 2 additions & 0 deletions
apps/server/src/server.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 serverEnvironmentHttpApiLayer,
 staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
 Layer.provide(environmentAuthenticatedAuthLayer),
 ),
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 staticAndDevRouteLayer,
 websocketRpcRouteLayer,
Expand Down

120 changes: 120 additions & 0 deletions
apps/server/src/transcription.test.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
 it("uses fixed OpenAI and Groq configurations", () => {
 expect(resolveTranscriptionProvider("openai")).toBe("openai");
 expect(transcriptionProviderConfig("openai")).toEqual({
 endpoint: "https://api.openai.com/v1/audio/transcriptions",
 modelsEndpoint: "https://api.openai.com/v1/models",
 apiKeyEnvironmentVariable: "OPENAI_API_KEY",
 });
 expect(resolveTranscriptionProvider("groq")).toBe("groq");
 expect(transcriptionProviderConfig("groq")).toEqual({
 endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
 modelsEndpoint: "https://api.groq.com/openai/v1/models",
 apiKeyEnvironmentVariable: "GROQ_API_KEY",
 });
 expect(resolveTranscriptionProvider("custom")).toBeNull();
 });

 it.effect("loads accessible transcription models with the provider API key", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(
 request,
 Response.json({
 data: [
 { id: "gpt-4o" },
 { id: " whisper-1 " },
 { id: "gpt-4o-mini-transcribe" },
 { id: "gpt-4o-mini-transcribe" },
 ],
 }),
 );
 }),
 );

 const models = yield* listVoiceTranscriptionModels({
 provider: "openai",
 apiKey: "client-openai-key",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
 expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
 expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
 }),
 );

 it.effect("uses a provider API key from the server environment", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
 }),
 );

 const transcript = yield* forwardVoiceTranscription({
 audio: new Uint8Array([1, 2, 3]),
 audioMimeType: "audio/webm;codecs=opus",
 provider: "groq",
 apiKey: "",
 model: "whisper-large-v3",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
 expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
 expect(transcript).toBe("groq transcript");
 expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
 expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
 expect(capturedRequest?.body._tag).toBe("FormData");
 if (capturedRequest?.body._tag === "FormData") {
 expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
 expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
 }
 }).pipe(
 Effect.provide(
 ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
 ),
 ),
 );
});

describe("readTranscriptionAudio", () => {
 it.effect("combines streamed audio chunks", () =>
 Effect.gen(function* () {
 const audio = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
 );
 expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
 }),
 );

 it.effect("stops when streamed audio exceeds the limit", () =>
 Effect.gen(function* () {
 const error = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
 ).pipe(Effect.flip);
 expect(error._tag).toBe("TranscriptionAudioTooLargeError");
 }),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: add voice dictation beta
#5213
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1dbfe76

feat: add voice dictation beta


t3-code[bot] Aug 2, 2026
b5aa8b6

fix: simplify voice dictation providers


t3-code[bot] Aug 2, 2026
bf3ecf0

fix: split transcription input errors


t3-code[bot] Aug 2, 2026
dbbe349

fix: bound transcription response processing


t3-code[bot] Aug 2, 2026
ecbafb6

fix: follow effect recovery conventions


t3-code[bot] Aug 2, 2026
14315f5

feat: improve voice dictation configuration and recording


maria-rcks Aug 2, 2026

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4 changes: 4 additions & 0 deletions
apps/desktop/src/settings/DesktopClientSettings.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
 sidebarV2Enabled: false,
 sidebarV2ConfiguredByUser: false,
 timestampFormat: "24-hour",
 voiceTranscriptionEnabled: true,
 voiceTranscriptionProvider: "openai",
 voiceTranscriptionApiKey: "",
 voiceTranscriptionModel: "",
 wordWrap: true,
};

Expand Down

129 changes: 129 additions & 0 deletions
apps/server/src/http.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
 ),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const [openai, groq] = yield* Effect.all([
 transcriptionEnvironmentApiKeyStatus("openai"),
 transcriptionEnvironmentApiKeyStatus("groq"),
 ]);
 return HttpServerResponse.jsonUnsafe({ openai, groq });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 }),
 ),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
 "POST",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const declaredLength = Number(request.headers["content-length"] ?? "0");
 if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
 return HttpServerResponse.jsonUnsafe(
 { error: "The recording exceeds the 25 MB limit." },
 { status: 413 },
 );
 }

 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }

 const audio = yield* readTranscriptionAudio(request.stream);
 const text = yield* forwardVoiceTranscription({
 audio,
 audioMimeType: request.headers["content-type"] ?? "audio/webm",
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 model: request.headers["x-t3-transcription-model"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ text });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionAudioTooLargeError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionBodyReadError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionEmptyAudioError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionModelMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_MODELS_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }
 const models = yield* listVoiceTranscriptionModels({
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ models });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

export const transcriptionRouteLayer = Layer.mergeAll(
 transcriptionConfigRouteLayer,
 transcriptionModelsRouteLayer,
 transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
 "GET",
 `${ASSET_ROUTE_PREFIX}/*`,
Expand Down

3 changes: 3 additions & 0 deletions
apps/server/src/httpCors.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
 "traceparent",
 "content-type",
 "dpop",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down

6 changes: 6 additions & 0 deletions
apps/server/src/server.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
 }).pipe(Effect.provide(NodeHttpServer.layerTest)),
 );
Expand Down

2 changes: 2 additions & 0 deletions
apps/server/src/server.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 serverEnvironmentHttpApiLayer,
 staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
 Layer.provide(environmentAuthenticatedAuthLayer),
 ),
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 staticAndDevRouteLayer,
 websocketRpcRouteLayer,
Expand Down

120 changes: 120 additions & 0 deletions
apps/server/src/transcription.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
 it("uses fixed OpenAI and Groq configurations", () => {
 expect(resolveTranscriptionProvider("openai")).toBe("openai");
 expect(transcriptionProviderConfig("openai")).toEqual({
 endpoint: "https://api.openai.com/v1/audio/transcriptions",
 modelsEndpoint: "https://api.openai.com/v1/models",
 apiKeyEnvironmentVariable: "OPENAI_API_KEY",
 });
 expect(resolveTranscriptionProvider("groq")).toBe("groq");
 expect(transcriptionProviderConfig("groq")).toEqual({
 endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
 modelsEndpoint: "https://api.groq.com/openai/v1/models",
 apiKeyEnvironmentVariable: "GROQ_API_KEY",
 });
 expect(resolveTranscriptionProvider("custom")).toBeNull();
 });

 it.effect("loads accessible transcription models with the provider API key", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(
 request,
 Response.json({
 data: [
 { id: "gpt-4o" },
 { id: " whisper-1 " },
 { id: "gpt-4o-mini-transcribe" },
 { id: "gpt-4o-mini-transcribe" },
 ],
 }),
 );
 }),
 );

 const models = yield* listVoiceTranscriptionModels({
 provider: "openai",
 apiKey: "client-openai-key",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
 expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
 expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
 }),
 );

 it.effect("uses a provider API key from the server environment", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
 }),
 );

 const transcript = yield* forwardVoiceTranscription({
 audio: new Uint8Array([1, 2, 3]),
 audioMimeType: "audio/webm;codecs=opus",
 provider: "groq",
 apiKey: "",
 model: "whisper-large-v3",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
 expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
 expect(transcript).toBe("groq transcript");
 expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
 expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
 expect(capturedRequest?.body._tag).toBe("FormData");
 if (capturedRequest?.body._tag === "FormData") {
 expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
 expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
 }
 }).pipe(
 Effect.provide(
 ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
 ),
 ),
 );
});

describe("readTranscriptionAudio", () => {
 it.effect("combines streamed audio chunks", () =>
 Effect.gen(function* () {
 const audio = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
 );
 expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
 }),
 );

 it.effect("stops when streamed audio exceeds the limit", () =>
 Effect.gen(function* () {
 const error = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
 ).pipe(Effect.flip);
 expect(error._tag).toBe("TranscriptionAudioTooLargeError");
 }),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
feat: add voice dictation beta#5213

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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 Open

t3-code
wants to merge
6
commits into

base:main
Choose a base branch

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feat: add voice dictation beta
#5213
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1dbfe76

feat: add voice dictation beta


t3-code[bot] Aug 2, 2026
b5aa8b6

fix: simplify voice dictation providers


t3-code[bot] Aug 2, 2026
bf3ecf0

fix: split transcription input errors


t3-code[bot] Aug 2, 2026
dbbe349

fix: bound transcription response processing


t3-code[bot] Aug 2, 2026
ecbafb6

fix: follow effect recovery conventions


t3-code[bot] Aug 2, 2026
14315f5

feat: improve voice dictation configuration and recording


maria-rcks Aug 2, 2026

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4 changes: 4 additions & 0 deletions
apps/desktop/src/settings/DesktopClientSettings.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
 sidebarV2Enabled: false,
 sidebarV2ConfiguredByUser: false,
 timestampFormat: "24-hour",
 voiceTranscriptionEnabled: true,
 voiceTranscriptionProvider: "openai",
 voiceTranscriptionApiKey: "",
 voiceTranscriptionModel: "",
 wordWrap: true,
};

Expand Down

129 changes: 129 additions & 0 deletions
apps/server/src/http.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
 ),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const [openai, groq] = yield* Effect.all([
 transcriptionEnvironmentApiKeyStatus("openai"),
 transcriptionEnvironmentApiKeyStatus("groq"),
 ]);
 return HttpServerResponse.jsonUnsafe({ openai, groq });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 }),
 ),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
 "POST",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const declaredLength = Number(request.headers["content-length"] ?? "0");
 if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
 return HttpServerResponse.jsonUnsafe(
 { error: "The recording exceeds the 25 MB limit." },
 { status: 413 },
 );
 }

 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }

 const audio = yield* readTranscriptionAudio(request.stream);
 const text = yield* forwardVoiceTranscription({
 audio,
 audioMimeType: request.headers["content-type"] ?? "audio/webm",
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 model: request.headers["x-t3-transcription-model"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ text });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionAudioTooLargeError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionBodyReadError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionEmptyAudioError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionModelMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_MODELS_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }
 const models = yield* listVoiceTranscriptionModels({
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ models });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

export const transcriptionRouteLayer = Layer.mergeAll(
 transcriptionConfigRouteLayer,
 transcriptionModelsRouteLayer,
 transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
 "GET",
 `${ASSET_ROUTE_PREFIX}/*`,
Expand Down

3 changes: 3 additions & 0 deletions
apps/server/src/httpCors.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
 "traceparent",
 "content-type",
 "dpop",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down

6 changes: 6 additions & 0 deletions
apps/server/src/server.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
 }).pipe(Effect.provide(NodeHttpServer.layerTest)),
 );
Expand Down

2 changes: 2 additions & 0 deletions
apps/server/src/server.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 serverEnvironmentHttpApiLayer,
 staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
 Layer.provide(environmentAuthenticatedAuthLayer),
 ),
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 staticAndDevRouteLayer,
 websocketRpcRouteLayer,
Expand Down

120 changes: 120 additions & 0 deletions
apps/server/src/transcription.test.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
 it("uses fixed OpenAI and Groq configurations", () => {
 expect(resolveTranscriptionProvider("openai")).toBe("openai");
 expect(transcriptionProviderConfig("openai")).toEqual({
 endpoint: "https://api.openai.com/v1/audio/transcriptions",
 modelsEndpoint: "https://api.openai.com/v1/models",
 apiKeyEnvironmentVariable: "OPENAI_API_KEY",
 });
 expect(resolveTranscriptionProvider("groq")).toBe("groq");
 expect(transcriptionProviderConfig("groq")).toEqual({
 endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
 modelsEndpoint: "https://api.groq.com/openai/v1/models",
 apiKeyEnvironmentVariable: "GROQ_API_KEY",
 });
 expect(resolveTranscriptionProvider("custom")).toBeNull();
 });

 it.effect("loads accessible transcription models with the provider API key", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(
 request,
 Response.json({
 data: [
 { id: "gpt-4o" },
 { id: " whisper-1 " },
 { id: "gpt-4o-mini-transcribe" },
 { id: "gpt-4o-mini-transcribe" },
 ],
 }),
 );
 }),
 );

 const models = yield* listVoiceTranscriptionModels({
 provider: "openai",
 apiKey: "client-openai-key",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
 expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
 expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
 }),
 );

 it.effect("uses a provider API key from the server environment", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
 }),
 );

 const transcript = yield* forwardVoiceTranscription({
 audio: new Uint8Array([1, 2, 3]),
 audioMimeType: "audio/webm;codecs=opus",
 provider: "groq",
 apiKey: "",
 model: "whisper-large-v3",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
 expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
 expect(transcript).toBe("groq transcript");
 expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
 expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
 expect(capturedRequest?.body._tag).toBe("FormData");
 if (capturedRequest?.body._tag === "FormData") {
 expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
 expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
 }
 }).pipe(
 Effect.provide(
 ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
 ),
 ),
 );
});

describe("readTranscriptionAudio", () => {
 it.effect("combines streamed audio chunks", () =>
 Effect.gen(function* () {
 const audio = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
 );
 expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
 }),
 );

 it.effect("stops when streamed audio exceeds the limit", () =>
 Effect.gen(function* () {
 const error = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
 ).pipe(Effect.flip);
 expect(error._tag).toBe("TranscriptionAudioTooLargeError");
 }),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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feat: add voice dictation beta#5213

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feat: add voice dictation beta
#5213
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1dbfe76

feat: add voice dictation beta


t3-code[bot] Aug 2, 2026
b5aa8b6

fix: simplify voice dictation providers


t3-code[bot] Aug 2, 2026
bf3ecf0

fix: split transcription input errors


t3-code[bot] Aug 2, 2026
dbbe349

fix: bound transcription response processing


t3-code[bot] Aug 2, 2026
ecbafb6

fix: follow effect recovery conventions


t3-code[bot] Aug 2, 2026
14315f5

feat: improve voice dictation configuration and recording


maria-rcks Aug 2, 2026

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4 changes: 4 additions & 0 deletions
apps/desktop/src/settings/DesktopClientSettings.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,10 @@ const clientSettings: ClientSettings = {
 sidebarV2Enabled: false,
 sidebarV2ConfiguredByUser: false,
 timestampFormat: "24-hour",
 voiceTranscriptionEnabled: true,
 voiceTranscriptionProvider: "openai",
 voiceTranscriptionApiKey: "",
 voiceTranscriptionModel: "",
 wordWrap: true,
};

Expand Down

129 changes: 129 additions & 0 deletions
apps/server/src/http.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,8 +40,19 @@ import {
} from "./auth/http.ts";
import * as ServerEnvironment from "./environment/ServerEnvironment.ts";
import { browserApiCorsAllowedHeaders, browserApiCorsAllowedMethods } from "./httpCors.ts";
import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 TranscriptionProviderUnsupportedError,
} from "./transcription.ts";

const OTLP_TRACES_PROXY_PATH = "/api/observability/v1/traces";
const TRANSCRIPTION_PATH = "/api/transcription";
const TRANSCRIPTION_MODELS_PATH = "/api/transcription/models";
const LOOPBACK_HOSTNAMES = new Set(["127.0.0.1", "::1", "localhost"]);
const DESKTOP_RENDERER_ORIGINS = ["t3code://app", "t3code-dev://app"];
const GZIP_MIN_BYTES = 1024;
Expand DownExpand Up@@ -247,6 +258,124 @@ export const otlpTracesProxyRouteLayer = HttpRouter.add(
 ),
);

const transcriptionConfigRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const [openai, groq] = yield* Effect.all([
 transcriptionEnvironmentApiKeyStatus("openai"),
 transcriptionEnvironmentApiKeyStatus("groq"),
 ]);
 return HttpServerResponse.jsonUnsafe({ openai, groq });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 }),
 ),
);

const transcriptionUploadRouteLayer = HttpRouter.add(
 "POST",
 TRANSCRIPTION_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const declaredLength = Number(request.headers["content-length"] ?? "0");
 if (Number.isFinite(declaredLength) && declaredLength > MAX_TRANSCRIPTION_AUDIO_BYTES) {
 return HttpServerResponse.jsonUnsafe(
 { error: "The recording exceeds the 25 MB limit." },
 { status: 413 },
 );
 }

 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }

 const audio = yield* readTranscriptionAudio(request.stream);
 const text = yield* forwardVoiceTranscription({
 audio,
 audioMimeType: request.headers["content-type"] ?? "audio/webm",
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 model: request.headers["x-t3-transcription-model"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ text });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionAudioTooLargeError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 413 })),
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionBodyReadError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionEmptyAudioError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionModelMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

const transcriptionModelsRouteLayer = HttpRouter.add(
 "GET",
 TRANSCRIPTION_MODELS_PATH,
 Effect.gen(function* () {
 yield* authenticateRawRouteWithScope(AuthOrchestrationOperateScope);
 const request = yield* HttpServerRequest.HttpServerRequest;
 const provider = resolveTranscriptionProvider(
 request.headers["x-t3-transcription-provider"] ?? "",
 );
 if (!provider) {
 return yield* new TranscriptionProviderUnsupportedError();
 }
 const models = yield* listVoiceTranscriptionModels({
 provider,
 apiKey: request.headers["x-t3-transcription-api-key"] ?? "",
 });
 return HttpServerResponse.jsonUnsafe({ models });
 }).pipe(
 Effect.catchTags({
 EnvironmentAuthInvalidError: HttpServerRespondable.toResponse,
 EnvironmentInternalError: HttpServerRespondable.toResponse,
 EnvironmentScopeRequiredError: HttpServerRespondable.toResponse,
 TranscriptionApiKeyMissingError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionProviderError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionProviderUnsupportedError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 400 })),
 TranscriptionRequestError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 TranscriptionResponseError: (error) =>
 Effect.succeed(HttpServerResponse.jsonUnsafe({ error: error.message }, { status: 502 })),
 }),
 ),
);

export const transcriptionRouteLayer = Layer.mergeAll(
 transcriptionConfigRouteLayer,
 transcriptionModelsRouteLayer,
 transcriptionUploadRouteLayer,
);

export const assetRouteLayer = HttpRouter.add(
 "GET",
 `${ASSET_ROUTE_PREFIX}/*`,
Expand Down

3 changes: 3 additions & 0 deletions
apps/server/src/httpCors.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,9 @@ export const browserApiCorsAllowedHeaders = [
 "traceparent",
 "content-type",
 "dpop",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
] as const;

export const browserApiCorsHeaders = {
Expand Down

6 changes: 6 additions & 0 deletions
apps/server/src/server.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -1300,6 +1300,9 @@ const assertBrowserApiCorsPreflightHeaders = (
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
};
const crossOriginClientOrigin = "http://remote-client.test:3773";
Expand DownExpand Up@@ -4209,6 +4212,9 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
 "content-type",
 "dpop",
 "traceparent",
 "x-t3-transcription-api-key",
 "x-t3-transcription-model",
 "x-t3-transcription-provider",
 ]);
 }).pipe(Effect.provide(NodeHttpServer.layerTest)),
 );
Expand Down

2 changes: 2 additions & 0 deletions
apps/server/src/server.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@ import * as ServerConfig from "./config.ts";
import * as HttpResponseCompression from "./httpCompression/HttpResponseCompression.ts";
import {
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 serverEnvironmentHttpApiLayer,
 staticAndDevRouteLayer,
Expand DownExpand Up@@ -417,6 +418,7 @@ export const makeRoutesLayer = Layer.mergeAll(
 Layer.provide(environmentAuthenticatedAuthLayer),
 ),
 otlpTracesProxyRouteLayer,
 transcriptionRouteLayer,
 assetRouteLayer,
 staticAndDevRouteLayer,
 websocketRpcRouteLayer,
Expand Down

120 changes: 120 additions & 0 deletions
apps/server/src/transcription.test.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
import { expect, it } from "@effect/vitest";
import * as ConfigProvider from "effect/ConfigProvider";
import * as Effect from "effect/Effect";
import * as Stream from "effect/Stream";
import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http";
import { describe } from "vite-plus/test";

import {
 forwardVoiceTranscription,
 listVoiceTranscriptionModels,
 MAX_TRANSCRIPTION_AUDIO_BYTES,
 readTranscriptionAudio,
 resolveTranscriptionProvider,
 transcriptionEnvironmentApiKeyStatus,
 transcriptionProviderConfig,
} from "./transcription.ts";

describe("transcription providers", () => {
 it("uses fixed OpenAI and Groq configurations", () => {
 expect(resolveTranscriptionProvider("openai")).toBe("openai");
 expect(transcriptionProviderConfig("openai")).toEqual({
 endpoint: "https://api.openai.com/v1/audio/transcriptions",
 modelsEndpoint: "https://api.openai.com/v1/models",
 apiKeyEnvironmentVariable: "OPENAI_API_KEY",
 });
 expect(resolveTranscriptionProvider("groq")).toBe("groq");
 expect(transcriptionProviderConfig("groq")).toEqual({
 endpoint: "https://api.groq.com/openai/v1/audio/transcriptions",
 modelsEndpoint: "https://api.groq.com/openai/v1/models",
 apiKeyEnvironmentVariable: "GROQ_API_KEY",
 });
 expect(resolveTranscriptionProvider("custom")).toBeNull();
 });

 it.effect("loads accessible transcription models with the provider API key", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(
 request,
 Response.json({
 data: [
 { id: "gpt-4o" },
 { id: " whisper-1 " },
 { id: "gpt-4o-mini-transcribe" },
 { id: "gpt-4o-mini-transcribe" },
 ],
 }),
 );
 }),
 );

 const models = yield* listVoiceTranscriptionModels({
 provider: "openai",
 apiKey: "client-openai-key",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(models).toEqual(["gpt-4o-mini-transcribe", "whisper-1"]);
 expect(capturedRequest?.url).toBe("https://api.openai.com/v1/models");
 expect(capturedRequest?.headers.authorization).toBe("Bearer client-openai-key");
 }),
 );

 it.effect("uses a provider API key from the server environment", () =>
 Effect.gen(function* () {
 let capturedRequest: HttpClientRequest.HttpClientRequest | undefined;
 const client = HttpClient.make((request) =>
 Effect.sync(() => {
 capturedRequest = request;
 return HttpClientResponse.fromWeb(request, Response.json({ text: " groq transcript " }));
 }),
 );

 const transcript = yield* forwardVoiceTranscription({
 audio: new Uint8Array([1, 2, 3]),
 audioMimeType: "audio/webm;codecs=opus",
 provider: "groq",
 apiKey: "",
 model: "whisper-large-v3",
 }).pipe(Effect.provideService(HttpClient.HttpClient, client));

 expect(yield* transcriptionEnvironmentApiKeyStatus("groq")).toBe(true);
 expect(yield* transcriptionEnvironmentApiKeyStatus("openai")).toBe(false);
 expect(transcript).toBe("groq transcript");
 expect(capturedRequest?.url).toBe("https://api.groq.com/openai/v1/audio/transcriptions");
 expect(capturedRequest?.headers.authorization).toBe("Bearer env-groq-key");
 expect(capturedRequest?.body._tag).toBe("FormData");
 if (capturedRequest?.body._tag === "FormData") {
 expect(capturedRequest.body.formData.get("model")).toBe("whisper-large-v3");
 expect(capturedRequest.body.formData.get("file")).toBeInstanceOf(Blob);
 }
 }).pipe(
 Effect.provide(
 ConfigProvider.layer(ConfigProvider.fromEnv({ env: { GROQ_API_KEY: "env-groq-key" } })),
 ),
 ),
 );
});

describe("readTranscriptionAudio", () => {
 it.effect("combines streamed audio chunks", () =>
 Effect.gen(function* () {
 const audio = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array([1, 2]), new Uint8Array([3, 4])),
 );
 expect(Array.from(audio)).toEqual([1, 2, 3, 4]);
 }),
 );

 it.effect("stops when streamed audio exceeds the limit", () =>
 Effect.gen(function* () {
 const error = yield* readTranscriptionAudio(
 Stream.make(new Uint8Array(MAX_TRANSCRIPTION_AUDIO_BYTES), new Uint8Array([1])),
 ).pipe(Effect.flip);
 expect(error._tag).toBe("TranscriptionAudioTooLargeError");
 }),
 );
});
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