Add concurrency caps, the two-pane web UI, AGENTS.md, and plan status

internal/server/server_test.go

@@ -18,6 +18,7 @@ import (
 
 	"g.fc.run/misc/byre/internal/api"
 	"g.fc.run/misc/byre/internal/server"
+	"g.fc.run/misc/byre/web"
 )
 
 const login = "alice@example.com"
@@ -105,6 +106,47 @@ func TestIdentityRequired(t *testing.T) {
 	}
 }
 
+func TestServesEmbeddedSPA(t *testing.T) {
+	srv, err := server.New(t.TempDir(), web.FS)
+	if err != nil {
+		t.Fatalf("new server: %v", err)
+	}
+	t.Cleanup(func() { srv.Close() })
+	hs := httptest.NewServer(srv.Handler())
+	t.Cleanup(hs.Close)
+
+	for path, contentType := range map[string]string{
+		"/":                "text/html",
+		"/style.css":       "text/css",
+		"/dist/app.js":     "text/javascript",
+		"/dist/app.js.map": "",
+		"/src/app.ts":      "",
+		"/dist/inbox.js":   "text/javascript",
+		"/dist/api.gen.js": "text/javascript",
+		"/dist/tasks.js":   "text/javascript",
+		"/dist/navbar.js":  "text/javascript",
+		"/dist/panes.js":   "text/javascript",
+		"/dist/task.js":    "text/javascript",
+		"/dist/state.js":   "text/javascript",
+		"/dist/dom.js":     "text/javascript",
+		"/dist/api.js":     "text/javascript",
+		"/fonts/atkinson-hyperlegible-mono-latin-wght-normal.woff2": "font/woff2",
+		"/fonts/LICENSE": "",
+	} {
+		resp, err := http.Get(hs.URL + path)
+		if err != nil {
+			t.Fatalf("get %s: %v", path, err)
+		}
+		resp.Body.Close()
+		if resp.StatusCode != http.StatusOK {
+			t.Fatalf("get %s: %d", path, resp.StatusCode)
+		}
+		if contentType != "" && !strings.HasPrefix(resp.Header.Get("Content-Type"), contentType) {
+			t.Fatalf("get %s: content type %q, want %s", path, resp.Header.Get("Content-Type"), contentType)
+		}
+	}
+}
+
 func TestMe(t *testing.T) {
 	h := newHarness(t)