Add voice name flow controls and analytics

migrations/sql/0022_voice_name_collection_config_sqlite.sql

@@ -0,0 +1,12 @@
+CREATE TABLE IF NOT EXISTS voice_name_collection_settings (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    settings_key TEXT NOT NULL UNIQUE,
+    config_json TEXT NOT NULL DEFAULT '{}',
+    updated_at TEXT NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_voice_name_collection_settings_key
+ON voice_name_collection_settings(settings_key);
+
+CREATE INDEX IF NOT EXISTS idx_voice_name_collection_settings_updated_at
+ON voice_name_collection_settings(updated_at);