notedeck

commit 5d77354696a9e279c19ee41fd8a0469a7968fb5a
parent fac3b9245c0cb1b66f1bfd8388e9a6487459993f
Author: William Casarin <jb55@jb55.com>
Date:   Thu, 26 Feb 2026 09:34:58 -0800

dave: fix context fill bar to use input_tokens only

The fill bar was using input_tokens + output_tokens, but only input
tokens consume context window space. Also add debug tracing on
ResultMessage usage values.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Diffstat:
M
crates/notedeck_dave/src/backend/claude.rs
 | 
6
++++++
M
crates/notedeck_dave/src/messages.rs
 | 
6
++++--
M
crates/notedeck_dave/src/ui/dave.rs
 | 
2
+-

3 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/crates/notedeck_dave/src/backend/claude.rs b/crates/notedeck_dave/src/backend/claude.rs
@@ -377,6 +377,12 @@ async fn session_actor(
                                             }
 
                                             // Extract usage metrics
+                                            tracing::debug!(
+                                                "ResultMessage usage: {:?}, total_cost_usd: {:?}, num_turns: {}",
+                                                result_msg.usage,
+                                                result_msg.total_cost_usd,
+                                                result_msg.num_turns
+                                            );
                                             let (input_tokens, output_tokens) = result_msg
                                                 .usage
                                                 .as_ref()
diff --git a/crates/notedeck_dave/src/messages.rs b/crates/notedeck_dave/src/messages.rs
@@ -341,8 +341,10 @@ pub struct UsageInfo {
 }
 
 impl UsageInfo {
-    pub fn total_tokens(&self) -> u64 {
-        self.input_tokens + self.output_tokens
+    /// Context window fill: only input tokens consume context space.
+    /// Output tokens are generated from the context, not part of it.
+    pub fn context_tokens(&self) -> u64 {
+        self.input_tokens
     }
 }
 
diff --git a/crates/notedeck_dave/src/ui/dave.rs b/crates/notedeck_dave/src/ui/dave.rs
@@ -1485,7 +1485,7 @@ fn usage_bar_ui(
     context_window: u64,
     ui: &mut egui::Ui,
 ) {
-    let total = usage.map(|u| u.total_tokens()).unwrap_or(0);
+    let total = usage.map(|u| u.context_tokens()).unwrap_or(0);
     if total == 0 {
         return;
     }