🎉 Initial commit: PiAgentUI — AI Agent Desktop & Web UI

A professional workspace for AI coding agents with:
- Real-time streaming chat with SSE
- Session management (fork, clone, tree navigation)
- MCP tools browser & metadata panel
- Skills browser (global, project, package sources)
- Voice input & STT provider configuration
- Integrated terminal & file explorer
- Model selector with capability metadata
- Keyboard-first UI with command palette
- 8 languages (en, pt-BR, es, ja, zh-CN, ar, bn, hi)
- Tauri 2 desktop app
- React 19 + TypeScript + Vite 8 + Tailwind CSS 4
- Pi Agent extension runtime

Originally forked from OpenCodeUI, now an independent project.
License: GPL-3.0-only

src/api/stt.ts

@@ -0,0 +1,44 @@
+import { piClient } from './piClient'
+import { serverStore } from '../store/serverStore'
+import type { SttSettings, SttTranscriptionResponse, UpdateSttSettingsRequest } from '../types/api/stt'
+
+export async function getSttSettings(): Promise<SttSettings> {
+  return await piClient.get<SttSettings>('/api/settings/stt')
+}
+
+export async function updateSttSettings(settings: UpdateSttSettingsRequest): Promise<SttSettings> {
+  return await piClient.post<SttSettings>('/api/settings/stt', settings)
+}
+
+function buildUploadHeaders(): Record<string, string> {
+  const headers: Record<string, string> = {}
+  const token = serverStore.getActiveToken()
+  if (token) {
+    headers.Authorization = `Bearer ${token}`
+    return headers
+  }
+
+  const auth = serverStore.getActiveAuth?.()
+  if (auth?.password) {
+    headers.Authorization = 'Basic ' + btoa(`${auth.username}:${auth.password}`)
+  }
+  return headers
+}
+
+export async function transcribeAudio(file: Blob, filename = 'voice.webm'): Promise<SttTranscriptionResponse> {
+  const baseUrl = serverStore.getActiveBaseUrl()
+  const form = new FormData()
+  form.set('file', file, filename)
+
+  const response = await fetch(`${baseUrl}/api/stt/transcriptions`, {
+    method: 'POST',
+    headers: buildUploadHeaders(),
+    body: form,
+  })
+
+  if (!response.ok) {
+    throw new Error(`HTTP Error ${response.status}: ${response.statusText}`)
+  }
+
+  return (await response.json()) as SttTranscriptionResponse
+}