huskies: merge 520_story_typed_pipeline_state_machine_in_rust_foundation_replaces_stringly_typed_crdt_views_with_strict_enums_subsumes_436

server/src/chat/timer.rs

@@ -207,14 +207,15 @@ async fn tick_once(
         // remove the timer before it fires; this guard covers the case where
         // cancellation was not yet called or the story raced forward through
         // the pipeline while the timer was pending.
-        if let Some(item) = crate::crdt_state::read_item(&entry.story_id) {
-            match item.stage.as_str() {
-                "3_qa" | "4_merge" | "5_done" | "6_archived" => {
+        if let Ok(Some(item)) = crate::pipeline_state::read_typed(&entry.story_id) {
+            use crate::pipeline_state::Stage;
+            match &item.stage {
+                Stage::Qa | Stage::Merge { .. } | Stage::Done { .. } | Stage::Archived { .. } => {
                     crate::slog!(
                         "[timer] Skipping timer for story {} — currently in '{}', \
                          not in backlog/current; timer is stale",
                         entry.story_id,
-                        item.stage
+                        item.stage.dir_name()
                     );
                     continue;
                 }
@@ -425,8 +426,9 @@ pub async fn handle_timer_command(
             // The story must be in backlog or current.  When the timer fires,
             // backlog stories are moved to current automatically.
             // Check CRDT state first, then fall back to filesystem.
-            let in_valid_stage = if let Some(item) = crate::crdt_state::read_item(&story_id) {
-                matches!(item.stage.as_str(), "1_backlog" | "2_current")
+            let in_valid_stage = if let Ok(Some(item)) = crate::pipeline_state::read_typed(&story_id) {
+                use crate::pipeline_state::Stage;
+                matches!(item.stage, Stage::Backlog | Stage::Coding)
             } else {
                 let work_dir = project_root.join(".huskies").join("work");
                 work_dir.join("1_backlog").join(format!("{story_id}.md")).exists()
@@ -588,7 +590,7 @@ fn resolve_story_id(number_or_id: &str, project_root: &Path) -> Option<String> {
     // --- DB-first lookup ---
     for id in crate::db::all_content_ids() {
         let file_num = id.split('_').next().unwrap_or("");
-        if file_num == number_or_id && crate::crdt_state::read_item(&id).is_some() {
+        if file_num == number_or_id && crate::pipeline_state::read_typed(&id).ok().flatten().is_some() {
             return Some(id);
         }
     }