huskies: merge 1096 bug Shadow drift: set_agent writes CRDT agent register without updating pipeline_items.agent

server/src/db/ops.rs

@@ -176,6 +176,43 @@ pub fn move_item_stage(
     }
 }
 
+/// Shadow-write the updated agent field for an existing pipeline item.
+///
+/// Called by [`crate::crdt_state::set_agent`] after the CRDT register is updated
+/// so `pipeline_items.agent` stays in sync.  Reads the full current metadata from
+/// the CRDT (stage, name, depends_on, retry_count) to avoid overwriting other
+/// columns with stale values — only the `agent` column carries the new data.
+pub fn sync_item_agent(story_id: &str) {
+    let Some(db) = PIPELINE_DB.get() else {
+        return;
+    };
+    let Some(view) = crate::crdt_state::read_item(story_id) else {
+        return;
+    };
+    let stage = view.stage().dir_name().to_string();
+    let name = Some(view.name().to_string());
+    let agent = view.agent().map(|a| a.as_str().to_string());
+    let depends_on = {
+        let d = view.depends_on();
+        if d.is_empty() {
+            None
+        } else {
+            serde_json::to_string(d).ok()
+        }
+    };
+    let retry_count = Some(i64::from(view.retry_count()));
+    let msg = PipelineWriteMsg {
+        story_id: story_id.to_string(),
+        stage,
+        name,
+        agent,
+        retry_count,
+        depends_on,
+        content: None,
+    };
+    let _ = db.tx.send(msg);
+}
+
 /// Delete a story from the shadow table (fire-and-forget).
 pub fn delete_item(story_id: &str) {
     delete_content(ContentKey::Story(story_id));