feat(nest): POST/GET nest messages, Jev-first tagging, event-driven crow response (#10)

server.go

@@ -32,6 +32,7 @@ type Server struct {
 	approver *WebApprover
 	hub      *Hub
 	nests    *NestStore
+	msgs     *MessageStore
 	ctx      context.Context // cancelled on shutdown; lists and streams end with it
 	beat     time.Duration
 }
@@ -40,6 +41,9 @@ func NewServer(ctx context.Context, p *Pipeline, approver *WebApprover, nests *N
 	return &Server{p: p, approver: approver, hub: NewHub(), nests: nests, ctx: ctx, beat: heartbeat}
 }
 
+// WithMessages attaches the nest conversation log (chatroom path).
+func (s *Server) WithMessages(m *MessageStore) *Server { s.msgs = m; return s }
+
 func (s *Server) Handler() http.Handler {
 	mux := http.NewServeMux()
 	mux.HandleFunc("POST /api/lists", s.postList)
@@ -49,6 +53,8 @@ func (s *Server) Handler() http.Handler {
 	mux.HandleFunc("GET /api/crows", s.crows)
 	mux.HandleFunc("GET /api/nests", s.getNests)
 	mux.HandleFunc("POST /api/nests", s.postNest)
+	mux.HandleFunc("GET /api/nests/{nest_id}/messages", s.getNestMessages)
+	mux.HandleFunc("POST /api/nests/{nest_id}/messages", s.postNestMessage)
 	if st, err := os.Stat(webDir); err == nil && st.IsDir() {
 		mux.Handle("GET /", http.FileServer(http.Dir(webDir)))
 	} else {
@@ -73,6 +79,8 @@ func cmdServe(args []string) {
 	defer flog.Close()
 	nests, err := LoadNests(filepath.Join(dataDir, "nests.json"))
 	must(err)
+	msgs, err := LoadMessageStore(filepath.Join(dataDir, "messages"))
+	must(err)
 
 	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
 	defer stop()
@@ -84,7 +92,7 @@ func cmdServe(args []string) {
 	if jev != nil {
 		fmt.Printf("Sentry triage: %s, LLM fallback\n", jev.Name())
 	}
-	s := NewServer(ctx, p, approver, nests)
+	s := NewServer(ctx, p, approver, nests).WithMessages(msgs)
 
 	srv := &http.Server{Addr: *addr, Handler: s.Handler(), ReadHeaderTimeout: 10 * time.Second}
 	go func() {
@@ -190,6 +198,15 @@ func newListID() string {
 
 func (s *Server) events(w http.ResponseWriter, r *http.Request) {
 	listID := r.URL.Query().Get("list_id")
+	nestID := r.URL.Query().Get("nest_id")
+	if listID == "" && nestID != "" {
+		if _, found := s.nests.Get(nestID); !found {
+			httpError(w, http.StatusNotFound, "no such nest_id")
+			return
+		}
+		s.hub.OpenNest(nestID)
+		listID = nestID
+	}
 	lastID, _ := strconv.Atoi(r.Header.Get("Last-Event-ID"))
 	past, ch, ok := s.hub.Subscribe(listID, lastID)
 	if !ok {