huskies: merge 515_story_add_a_debug_mcp_tool_to_dump_the_in_memory_crdt_state_for_inspection

server/src/http/mod.rs

@@ -98,6 +98,7 @@ pub fn build_routes(
             "/oauth/status",
             get(oauth::oauth_status),
         )
+        .at("/debug/crdt", get(debug_crdt_handler))
         .at("/assets/*path", get(assets::embedded_asset))
         .at("/", get(assets::embedded_index))
         .at("/*path", get(assets::embedded_file));
@@ -126,6 +127,64 @@ pub fn build_routes(
     route.data(ctx_arc)
 }
 
+/// Debug HTTP endpoint: `GET /debug/crdt[?story_id=<id>]`
+///
+/// Returns the raw in-memory CRDT state as JSON.  Accepts an optional
+/// `story_id` query parameter to restrict the dump to a single item.
+///
+/// **This is a debug endpoint.**  Use `GET /api/pipeline` or the
+/// `get_pipeline_status` MCP tool for normal pipeline introspection.
+#[poem::handler]
+pub fn debug_crdt_handler(req: &poem::Request) -> poem::Response {
+    let story_id_filter = req.uri().query().and_then(|q| {
+        q.split('&').find_map(|pair| {
+            let (key, val) = pair.split_once('=')?;
+            if key == "story_id" {
+                Some(val.to_string())
+            } else {
+                None
+            }
+        })
+    });
+
+    let dump = crate::crdt_state::dump_crdt_state(story_id_filter.as_deref());
+
+    let items: Vec<serde_json::Value> = dump
+        .items
+        .into_iter()
+        .map(|item| {
+            serde_json::json!({
+                "story_id": item.story_id,
+                "stage": item.stage,
+                "name": item.name,
+                "agent": item.agent,
+                "retry_count": item.retry_count,
+                "blocked": item.blocked,
+                "depends_on": item.depends_on,
+                "content_index": item.content_index,
+                "is_deleted": item.is_deleted,
+            })
+        })
+        .collect();
+
+    let body = serde_json::json!({
+        "metadata": {
+            "in_memory_state_loaded": dump.in_memory_state_loaded,
+            "total_items": dump.total_items,
+            "total_ops_in_list": dump.total_ops_in_list,
+            "max_seq_in_list": dump.max_seq_in_list,
+            "persisted_ops_count": dump.persisted_ops_count,
+            "pending_persist_ops_count": null,
+        },
+        "items": items,
+    });
+
+    poem::Response::builder()
+        .status(poem::http::StatusCode::OK)
+        .header(poem::http::header::CONTENT_TYPE, "application/json")
+        .body(serde_json::to_string_pretty(&body).unwrap_or_default())
+}
+
 type ApiTuple = (
     ProjectApi,
     ModelApi,