huskies: merge 1086 story Pipeline+Status split — Step C: migrate auto-assign, subscribers, and lifecycle transitions to read Pipeline + Status

server/src/agents/pool/cost_rollup_subscriber.rs

@@ -9,7 +9,7 @@
 
 use std::path::{Path, PathBuf};
 
-use crate::pipeline_state::Stage;
+use crate::pipeline_state::{Pipeline, Stage, Status};
 use crate::slog;
 use crate::slog_warn;
 
@@ -50,17 +50,15 @@ pub(crate) fn spawn_cost_rollup_subscriber(project_root: PathBuf) {
 /// Returns `true` if `stage` is a terminal pipeline stage.
 ///
 /// Terminal stages are those from which no further work is expected:
-/// Done, Archived, Abandoned, Superseded, Rejected.
-/// MergeFailure variants are NOT terminal — stories can recover from them.
+/// Done, Archived, Abandoned, Superseded, Rejected. Story 1086 routes the
+/// classification through the [`Status`] / [`Pipeline`] projection so future
+/// Stage variants automatically participate.  MergeFailure variants are NOT
+/// terminal — stories can recover from them.
 fn is_terminal(stage: &Stage) -> bool {
     matches!(
-        stage,
-        Stage::Done { .. }
-            | Stage::Archived { .. }
-            | Stage::Abandoned { .. }
-            | Stage::Superseded { .. }
-            | Stage::Rejected { .. }
-    )
+        stage.status(),
+        Status::Done | Status::Abandoned | Status::Superseded | Status::Rejected
+    ) || matches!(stage.pipeline(), Pipeline::Archived)
 }
 
 /// Snapshot the cost data for `fired.story_id` into the register when