diff --git a/project.clj b/project.clj
index 59e82b5..ab72da0 100644
--- a/project.clj
+++ b/project.clj
@@ -12,9 +12,9 @@
                   :exclusions [commons-codec]]]
   :plugins [[lein-ring "0.9.7"]]
   :ring {:handler wanijo.handler/app}
-  :profiles
-  {:dev {:dependencies [[javax.servlet/servlet-api "2.5"]
-                        [ring/ring-mock "0.3.0"]]
-         :plugins [[lein-less "1.7.5"]]}}
+  :profiles {:dev {:dependencies
+                   [[javax.servlet/servlet-api "2.5"]
+                    [ring/ring-mock "0.3.0"]]
+                   :plugins [[lein-less "1.7.5"]]}}
   :less {:source-paths ["resources/app/stylesheets"]
          :target-path "resources/public/css"})
diff --git a/resources/app/stylesheets/devmode.less b/resources/app/stylesheets/devmode.less
new file mode 100644
index 0000000..1638ed2
--- /dev/null
+++ b/resources/app/stylesheets/devmode.less
@@ -0,0 +1,24 @@
+.devbar {
+    position: fixed;
+    bottom: 0;
+    left: 0;
+    width: 100%;
+    font-family: monospace;
+    background-color: #ccc;
+
+    ol {
+        list-style-type: none;
+        padding: 0;
+        margin: 0;
+
+        li {
+            padding: .5rem;
+            border: 1px solid black;
+            margin: .5rem;
+
+            pre {
+                margin: 0;
+            }
+        }
+    }
+}
diff --git a/src/wanijo/devmode.clj b/src/wanijo/devmode.clj
new file mode 100644
index 0000000..e3e1694
--- /dev/null
+++ b/src/wanijo/devmode.clj
@@ -0,0 +1,45 @@
+(ns wanijo.devmode
+  (:require [hiccup.core :as hcore]))
+
+(def bar-entries (atom []))
+
+(defn send-to-bar [msg]
+  (swap! bar-entries #(conj % msg)))
+
+(defn devmode-on? [req]
+  (let [query-param (get-in req [:query-params "dev"])
+        cookie (get-in req [:cookies "devmode" :value])]
+    (or (= query-param "on")
+        (and (= cookie "1")
+             (not= query-param "off")))))
+
+(defn devbar []
+  (hcore/html
+   [:section.devbar
+    [:ol
+     (for [entry @bar-entries]
+       [:li [:pre entry]])]]))
+
+(defn append-devbar [resp]
+  (let [body (:body resp)
+        new-body (clojure.string/replace
+                  body "</body>" (str (devbar) "</body>"))]
+    (assoc resp :body new-body)))
+
+(defn wrap-devmode [handler]
+  (fn [req]
+    (let [on? (devmode-on? req)
+          query-param? (get-in req [:query-params "dev"])
+          new-req (assoc-in req [:session :devmode] on?)
+          resp (handler new-req)
+          new-resp (cond
+                     on? (-> resp
+                             append-devbar
+                             (assoc-in [:cookies :devmode] 1))
+                     (some? query-param?) (assoc-in
+                                           resp
+                                           [:cookies :devmode]
+                                           (if on? 1 0))
+                     :else resp)]
+      (reset! bar-entries [])
+      new-resp)))
diff --git a/src/wanijo/domain/schema.clj b/src/wanijo/domain/schema.clj
index 1e67df4..15fc31e 100644
--- a/src/wanijo/domain/schema.clj
+++ b/src/wanijo/domain/schema.clj
@@ -1,10 +1,11 @@
 (ns wanijo.domain.schema
   (:require [clojurewerkz.neocons.rest.cypher :as cypher]
             [clojure.spec.alpha :as spec]
-            [wanijo.neo4j :as neo4j]))
+            [wanijo.neo4j :as neo4j]
+            [wanijo.devmode :as devmode]))
 
 (spec/def ::name
-  (spec/and string? not-empty))
+  (spec/and string? not-empty int?))
 
 (spec/def ::created-at
   (spec/or :int (spec/and int?
@@ -13,12 +14,12 @@
                           #(re-matches #"\d{4}\d{2}\d{2}\d{2}\d{2}\d{2}" %))))
 
 (defn all-created-by! [ident]
-  (->>
-   (cypher/tquery
-    neo4j/conn
-    "MATCH (s:schema)-[created_by]->(u:user)
+  (neo4j/query-rawdata!
+   :query
+   "MATCH (s:schema)-[:created_by]->(u:user)
     WHERE u.ident = {ident}
     RETURN s
     ORDER BY s.name"
-    {:ident ident})
-   (map #(:data (get % "s")))))
+   :params {:ident ident}
+   :alias "s"
+   ))
diff --git a/src/wanijo/forms.clj b/src/wanijo/forms.clj
index f512aba..fd49d13 100644
--- a/src/wanijo/forms.clj
+++ b/src/wanijo/forms.clj
@@ -3,7 +3,7 @@
             [clojure.spec.alpha :as spec]
             [wanijo.view :as view]))
 
-(defn spec-to-errmsg [label spec-data]
+(defn spec-to-errmsg [label spec-key field-value]
   (view/flash-error
    (map
     (fn [prob]
@@ -12,24 +12,27 @@
        [:span.flash__field label]
        " must comply to "
        [:span.flash__pred (:pred prob)]])
-    (:clojure.spec.alpha/problems spec-data))))
+    (:clojure.spec.alpha/problems
+     (spec/explain-data spec-key field-value)))))
+
+(defn field-valid? [value spec-key req]
+  (or (empty? (:form-params req))
+      (spec/valid? spec-key value)))
 
 (defn field [form-def field req]
   (let [field-value (get-in req [:params field])
         field-def (get-in form-def [:fields field])
-        {:keys [label required] spec-key :spec} field-def
-        spec-valid? (or (empty? (:params req))
-                        (spec/valid? spec-key field-value))]
+        {:keys [label required] spec-key :spec} field-def]
     (list
-     (when-not spec-valid?
-       (spec-to-errmsg label
-                       (spec/explain-data spec-key field-value)))
+     (when-not (field-valid? field-value spec-key req)
+       (spec-to-errmsg label spec-key field-value))
      (hform/label field label)
      (hform/text-field {:required (when required "required")}
                        field
-                       (get-in req [:params field])))))
+                       field-value))))
 
-(defn valid? [req form-def]
+(defn valid? [form-def req]
+  (clojure.pprint/pprint req)
   (reduce-kv
    (fn [result field value]
      (if (spec/valid?
diff --git a/src/wanijo/handler.clj b/src/wanijo/handler.clj
index 406d28f..601f0f0 100644
--- a/src/wanijo/handler.clj
+++ b/src/wanijo/handler.clj
@@ -7,13 +7,14 @@
             [ring.middleware.session.cookie :as session-cookie]
             [wanijo.auth.routes :refer [auth-routes]]
             [wanijo.home.routes :refer [home-routes]]
-            [wanijo.schema.routes :refer [schema-routes]]))
+            [wanijo.schema.routes :refer [schema-routes]]
+            [wanijo.devmode :as devmode]))
 
 (defn- wrap-login-redirect [handler]
   (fn [req]
-    (if-not (get-in req [:session :ident])
-      (rur/redirect "/login")
-      (handler req))))
+    (if (get-in req [:session :ident])
+      (handler req)
+      (rur/redirect "/login"))))
 
 (defroutes app-routes
   (routes auth-routes)
@@ -24,6 +25,9 @@
 
 (def app
   (-> app-routes
-      (wrap-defaults (assoc-in site-defaults
-                               [:session :store]
-                               (session-cookie/cookie-store {:key "1234567890123456"})))))
+      devmode/wrap-devmode
+      (wrap-defaults
+       (assoc-in site-defaults
+                 [:session :store]
+                 (session-cookie/cookie-store
+                  {:key "1234567890123456"})))))
diff --git a/src/wanijo/neo4j.clj b/src/wanijo/neo4j.clj
index 1d124d4..f70eede 100644
--- a/src/wanijo/neo4j.clj
+++ b/src/wanijo/neo4j.clj
@@ -1,14 +1,36 @@
 (ns wanijo.neo4j
   (:require [clojurewerkz.neocons.rest :as nr]
             [clojurewerkz.neocons.rest.nodes :as nrn]
-            [clojurewerkz.neocons.rest.cypher :as nrc]))
+            [clojurewerkz.neocons.rest.cypher :as cypher]
+            [wanijo.devmode :as devmode]))
 
-(def conn (nr/connect "http://neo4j:b@localhost:7474/db/data"))
+(def conn
+  (delay (nr/connect "http://neo4j:b@localhost:7474/db/data")))
+
+(defn conn! []
+  @conn)
+
+(defn butiful-query [qry]
+  (->> qry
+       clojure.string/trim-newline
+       clojure.string/split-lines
+       (map clojure.string/trim)
+       (filter #(> (count %) 0))
+       (clojure.string/join \newline)))
+
+(defn query-rawdata!
+  [& {:keys [query alias params]
+      :or {params {}}}]
+  (devmode/send-to-bar (str (butiful-query query) "<br>---Params---<br>" params))
+  (->>
+   (cypher/tquery (conn!) query params)
+   (map #(get % alias))
+   (map :data)))
 
 (defn find-user! [ident]
   (some->
-   (nrc/tquery
-    conn
+   (cypher/tquery
+    (conn!)
     "MATCH (n:user) WHERE n.ident = {ident} RETURN n"
     {:ident ident})
    first
diff --git a/src/wanijo/view.clj b/src/wanijo/view.clj
index bdc1c8c..f6edb74 100644
--- a/src/wanijo/view.clj
+++ b/src/wanijo/view.clj
@@ -15,16 +15,17 @@
       :or {content []
            title nil
            session {}}}]
-  (println session)
   (let [ident (:ident session)
-        authed? (some? ident)]
+        authed? (some? ident)
+        devmode? (:devmode session)]
     (html5
      [:head
       [:meta {:charset "utf-8"}]
       [:meta {:name "viewport"
               :content "width=device-width,initial-scale=1,shrink-to-fit=no"}]
       [:title (str "wan ijo" (when title (str " - " title)))]
-      (include-css "/css/app.css")]
+      (include-css "/css/app.css")
+      (when devmode? (include-css "/css/devmode.css"))]
      [:body
       [:section.grid
        [:header