Add thinking notice + fix Venice auto-recover caching (#193)

Opt-in 💭 thinking-notice for slow text generation, plus a fix making Venice unsupported-field auto-recovery survive the per-message controller rebuild. Prepares 1.24.0.

Co-authored-by: Aine <aine@etke.cc>

src/strings/mod.rs

@@ -11,6 +11,7 @@ pub mod provider;
 pub mod room_config;
 pub mod speech_to_text;
 pub mod text_to_speech;
+pub mod thinking;
 pub mod usage;
 
 pub const PROGRESS_INDICATOR_EMOJI: &str = "⏳";