show what pi agents cost today, this week and this month, counting forked replies once

1 files changed, 12 insertions, 0 deletions

diff --git a/crates/dinggerd/src/watcher.rs b/crates/dinggerd/src/watcher.rs
index b0acc1d..1aec88e 100644
--- a/crates/dinggerd/src/watcher.rs
+++ b/crates/dinggerd/src/watcher.rs
@@ -27,6 +27,7 @@
 //! - `@dingger_extension`, `@dingger_control` the version of pi's extension
 //!   and its control socket, for reloading agents on an old one
 //! - `@dingger_draft` the draft in the agent's input box, as one line
+//! - `@dingger_cost`  what the agent's session spent today (see `cost`)
 
 use std::collections::HashMap;
 
@@ -509,6 +510,17 @@ impl Watcher {
                 change("@dingger_control", &pane.written_control, String::new());
             }
         }
+        // What its session spent today; the cost thread reads every session
+        // file in pi's directory, and these wherever they are.
+        let session = hooks::session(&pane.pane_id).unwrap_or_else(|| pane.written_session.clone());
+        let cost = match pane.agent {
+            Some(_) if !session.is_empty() => {
+                crate::cost::note_session(&session);
+                crate::cost::option_value(crate::cost::session_today(&session))
+            }
+            _ => String::new(),
+        };
+        change("@dingger_cost", &pane.written_cost, cost);
         // The draft goes with the agent too.
         match (pane.agent, hooks::draft(&pane.pane_id)) {
             (Some(_), Some(draft)) => change("@dingger_draft", &pane.written_draft, draft),