feat: add voice selector for Dograh model configs

ui/src/constants/accents.ts

@@ -0,0 +1,56 @@
+// Display names for accent codes returned by the voice catalog.
+//
+// The catalog derives accent from a voice's locale country (e.g. "en-US" -> "us"),
+// so the stored/filter value is an ISO 3166-1 alpha-2 country code. These are the
+// human-readable accent labels shown in the UI; the underlying code stays the
+// filter value. Unknown codes fall back to a capitalized form at the call site.
+export const ACCENT_DISPLAY_NAMES: Record<string, string> = {
+    us: "American",
+    gb: "British",
+    au: "Australian",
+    ca: "Canadian",
+    ie: "Irish",
+    nz: "New Zealand",
+    za: "South African",
+    in: "Indian",
+    bd: "Bangladeshi",
+    sg: "Singaporean",
+    my: "Malaysian",
+    ph: "Filipino",
+    id: "Indonesian",
+    vn: "Vietnamese",
+    th: "Thai",
+    cn: "Chinese",
+    jp: "Japanese",
+    kr: "Korean",
+    fr: "French",
+    de: "German",
+    ch: "Swiss",
+    nl: "Dutch",
+    it: "Italian",
+    es: "Spanish",
+    mx: "Mexican",
+    co: "Colombian",
+    bo: "Bolivian",
+    br: "Brazilian",
+    pt: "Portuguese",
+    ru: "Russian",
+    ua: "Ukrainian",
+    pl: "Polish",
+    cz: "Czech",
+    sk: "Slovak",
+    hu: "Hungarian",
+    ro: "Romanian",
+    bg: "Bulgarian",
+    hr: "Croatian",
+    gr: "Greek",
+    ge: "Georgian",
+    md: "Moldovan",
+    se: "Swedish",
+    no: "Norwegian",
+    dk: "Danish",
+    fi: "Finnish",
+    tr: "Turkish",
+    il: "Israeli",
+    sa: "Saudi",
+};