Первая версия, написанная гопотой. Не работает нормально лента и поиск, сломана авторизация

app/templates/add.html

@@ -0,0 +1,43 @@
+{% extends "base.html" %}
+{% block title %}Добавить пост{% endblock %}
+
+{% block content %}
+  <h2>Добавить пост</h2>
+  <form method="post" id="addform">
+    <div><input name="title" placeholder="Заголовок (необязательно)" style="width:100%"></div>
+    <div><textarea name="body" rows="10" style="width:100%" placeholder="Текст"></textarea></div>
+    <div>
+      <input id="tagsinput" name="tags" placeholder="Теги через запятую" style="width:100%" />
+      <div id="suggestions" class="suggestions"></div>
+    </div>
+    <div><button type="submit">Опубликовать</button></div>
+  </form>
+
+<script>
+(async function(){
+  const input = document.getElementById("tagsinput");
+  const sugg = document.getElementById("suggestions");
+  let last = "";
+  input.addEventListener("input", async (e) => {
+    const val = input.value.split(",").pop().trim();
+    if (!val || val === last) { sugg.innerHTML=""; return; }
+    last = val;
+    try {
+      const res = await fetch('/_tags?q=' + encodeURIComponent(val));
+      const arr = await res.json();
+      sugg.innerHTML = arr.slice(0,10).map(t => `<button class="tag-sugg" type="button" data-tag="${t}">#${t}</button>`).join(" ");
+      document.querySelectorAll(".tag-sugg").forEach(b => {
+        b.addEventListener("click",(ev)=>{
+          const tag = ev.currentTarget.dataset.tag;
+          const parts = input.value.split(",");
+          parts[parts.length-1] = " " + tag;
+          input.value = parts.map(p=>p.trim()).filter(Boolean).join(", ") + ", ";
+          input.focus();
+          sugg.innerHTML = "";
+        });
+      });
+    } catch(e) { console.warn(e); }
+  });
+})();
+</script>
+{% endblock %}