feat: Add support for saved speaker references in voice selection and enhance related tests

abogen/web/templates/partials/new_job_step_entities.html

@@ -228,6 +228,17 @@
                         <option value="__custom_mix" data-role="custom-mix-option" {% if speaker.voice_formula %}selected{% else %}hidden disabled{% endif %}>
                           Custom mix
                         </option>
+                        {% if options.voice_profile_options %}
+                        <optgroup label="Saved speakers">
+                          {% for profile in options.voice_profile_options %}
+                          {% set profile_value = 'speaker:' ~ profile.name %}
+                          {% set provider_label = 'Supertonic' if profile.provider == 'supertonic' else 'Kokoro' %}
+                          <option value="{{ profile_value }}" {% if selected_voice == profile_value %}selected{% endif %}>
+                            {{ profile.name }} · {{ provider_label }}{% if profile.language %} · {{ profile.language|upper }}{% endif %}
+                          </option>
+                          {% endfor %}
+                        </optgroup>
+                        {% endif %}
                         {% if speaker.recommended_voices %}
                         <optgroup label="Recommended">
                           {% for voice_id in speaker.recommended_voices[:6] %}

tests/test_prepare_form.py

@@ -65,6 +65,32 @@ def test_apply_prepare_form_handles_custom_mix_for_speakers():
     assert "voice" not in hero or hero["voice"] != "__custom_mix"
 
 
+def test_apply_prepare_form_accepts_saved_speaker_reference_for_voice():
+    pending = _make_pending_job()
+    pending.speakers = {
+        "hero": {
+            "id": "hero",
+            "label": "Hero",
+        }
+    }
+
+    form = MultiDict(
+        {
+            "chapter_intro_delay": "0.5",
+            "speaker-hero-voice": "speaker:Female HQ",
+            "speaker-hero-formula": "",
+        }
+    )
+
+    _, _, _, errors, *_ = apply_prepare_form(pending, form)
+
+    assert not errors
+    hero = pending.speakers["hero"]
+    assert hero["voice"] == "speaker:Female HQ"
+    assert hero["resolved_voice"] == "speaker:Female HQ"
+    assert "voice_formula" not in hero
+
+
 def test_resolve_voice_setting_handles_profile_reference():
     profiles = {
         "Blend": {