From a75bc72cb59537098b3b605a012a2ef8a3f0fe6a Mon Sep 17 00:00:00 2001
From: Abhishek Kumar <abhishek@a6k.me>
Date: Fri, 13 Feb 2026 10:11:48 +0530
Subject: [PATCH] feat: add sarvam v3 voices

---
 api/services/configuration/registry.py     | 54 +++++++++++++++++++++-
 ui/src/components/ServiceConfiguration.tsx | 28 ++++++++++-
 2 files changed, 78 insertions(+), 4 deletions(-)

diff --git a/api/services/configuration/registry.py b/api/services/configuration/registry.py
index 4443b5a..6b70c1a 100644
--- a/api/services/configuration/registry.py
+++ b/api/services/configuration/registry.py
@@ -278,7 +278,48 @@ class DograhTTSService(BaseTTSConfiguration):
 
 
 SARVAM_TTS_MODELS = ["bulbul:v2", "bulbul:v3"]
-SARVAM_VOICES = ["anushka", "manisha", "vidya", "arya", "abhilash", "karun", "hitesh"]
+SARVAM_V2_VOICES = ["anushka", "manisha", "vidya", "arya", "abhilash", "karun", "hitesh"]
+SARVAM_V3_VOICES = [
+    "shubh",
+    "aditya",
+    "ritu",
+    "priya",
+    "neha",
+    "rahul",
+    "pooja",
+    "rohan",
+    "simran",
+    "kavya",
+    "amit",
+    "dev",
+    "ishita",
+    "shreya",
+    "ratan",
+    "varun",
+    "manan",
+    "sumit",
+    "roopa",
+    "kabir",
+    "aayan",
+    "ashutosh",
+    "advait",
+    "amelia",
+    "sophia",
+    "anand",
+    "tanya",
+    "tarun",
+    "sunny",
+    "mani",
+    "gokul",
+    "vijay",
+    "shruti",
+    "suhani",
+    "mohit",
+    "kavitha",
+    "rehan",
+    "soham",
+    "rupali",
+]
 SARVAM_LANGUAGES = [
     "bn-IN",
     "en-IN",
@@ -301,7 +342,16 @@ class SarvamTTSConfiguration(BaseTTSConfiguration):
     model: str = Field(
         default="bulbul:v2", json_schema_extra={"examples": SARVAM_TTS_MODELS}
     )
-    voice: str = Field(default="anushka", json_schema_extra={"examples": SARVAM_VOICES})
+    voice: str = Field(
+        default="anushka",
+        json_schema_extra={
+            "examples": SARVAM_V2_VOICES,
+            "model_options": {
+                "bulbul:v2": SARVAM_V2_VOICES,
+                "bulbul:v3": SARVAM_V3_VOICES,
+            },
+        },
+    )
     language: str = Field(
         default="hi-IN", json_schema_extra={"examples": SARVAM_LANGUAGES}
     )
diff --git a/ui/src/components/ServiceConfiguration.tsx b/ui/src/components/ServiceConfiguration.tsx
index 637917c..bda9e21 100644
--- a/ui/src/components/ServiceConfiguration.tsx
+++ b/ui/src/components/ServiceConfiguration.tsx
@@ -21,6 +21,7 @@ interface SchemaProperty {
     default?: string | number | boolean;
     enum?: string[];
     examples?: string[];
+    model_options?: Record<string, string[]>;
     $ref?: string;
     description?: string;
     format?: string;
@@ -212,6 +213,20 @@ export default function ServiceConfiguration() {
         }
     }, [schemas, serviceProviders.llm, userConfig?.llm?.model, hasCheckedManualMode]);
 
+    // Reset voice when TTS model changes if the provider has model-dependent voice options
+    const ttsModel = watch("tts_model");
+    useEffect(() => {
+        const voiceSchema = schemas?.tts?.[serviceProviders.tts]?.properties?.voice;
+        const modelOptions = voiceSchema?.model_options;
+        if (!modelOptions || !ttsModel) return;
+
+        const validVoices = modelOptions[ttsModel as string];
+        const currentVoice = getValues("tts_voice") as string;
+        if (validVoices && currentVoice && !validVoices.includes(currentVoice)) {
+            setValue("tts_voice", validVoices[0], { shouldDirty: true });
+        }
+    }, [ttsModel, serviceProviders.tts, setValue, getValues, schemas]);
+
     const handleProviderChange = (service: ServiceSegment, providerName: string) => {
         if (!providerName) {
             return;
@@ -516,7 +531,16 @@ export default function ServiceConfiguration() {
         }
 
         // Handle fields with enum or examples (dropdown options)
-        const dropdownOptions = actualSchema?.enum || actualSchema?.examples;
+        let dropdownOptions = actualSchema?.enum || actualSchema?.examples;
+
+        // Use model-dependent options when available (e.g., Sarvam voices per model)
+        if (actualSchema?.model_options) {
+            const modelValue = watch(`${service}_model`) as string;
+            if (modelValue && actualSchema.model_options[modelValue]) {
+                dropdownOptions = actualSchema.model_options[modelValue];
+            }
+        }
+
         if (dropdownOptions && dropdownOptions.length > 0) {
             // Use friendly display names for language and voice fields
             const getDisplayName = (value: string) => {
@@ -524,7 +548,7 @@ export default function ServiceConfiguration() {
                     return LANGUAGE_DISPLAY_NAMES[value] || value;
                 }
                 if (field === "voice") {
-                    return VOICE_DISPLAY_NAMES[value] || value;
+                    return VOICE_DISPLAY_NAMES[value] || value.charAt(0).toUpperCase() + value.slice(1);
                 }
                 return value;
             };