From 10a8658b67ba2899cabb2a32f413ddeb336252c7 Mon Sep 17 00:00:00 2001
From: NguyenND <ngodanguyen@gmail.com>
Date: Fri, 24 Jul 2026 09:55:41 -0400
Subject: [PATCH] Jul 24 - Update Rich-text editor to support uploading images
 and inserting table

---
 .claude/settings.json           |  14 +
 .gitignore                      |   2 +
 CLAUDE.md                       |  33 +-
 README.md                       |  15 +-
 admin.py                        |  56 ++
 app.py                          |  20 +-
 static/css/admin.css            |  14 +
 static/css/style.css            |   5 +
 static/uploads/.gitkeep         |   0
 static/vendor/quill.min.js      |  15 +-
 static/vendor/quill.snow.css    | 947 +-------------------------------
 templates/admin/topic_form.html |  74 ++-
 12 files changed, 227 insertions(+), 968 deletions(-)
 create mode 100644 .claude/settings.json
 create mode 100644 static/uploads/.gitkeep

diff --git a/.claude/settings.json b/.claude/settings.json
new file mode 100644
index 0000000..c78aa47
--- /dev/null
+++ b/.claude/settings.json
@@ -0,0 +1,14 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(curl -sSL -o /tmp/qtest.txt -w \"quill2: %{http_code} size:%{size_download}\\\\n\" https://cdn.jsdelivr.net/npm/quill@2.0.3/dist/quill.min.js)",
+      "Bash(curl -sSL -o quill2.min.js -w \"js: %{http_code} %{size_download}\\\\n\" https://cdn.jsdelivr.net/npm/quill@2.0.3/dist/quill.min.js)",
+      "Bash(curl -sSL -o quill2.snow.css -w \"css: %{http_code} %{size_download}\\\\n\" https://cdn.jsdelivr.net/npm/quill@2.0.3/dist/quill.snow.css)",
+      "Bash(mv -f quill2.min.js quill.min.js)",
+      "Bash(mv -f quill2.snow.css quill.snow.css)",
+      "Bash(mkdir -p static/uploads)",
+      "Bash(touch static/uploads/.gitkeep)",
+      "Bash(py --version)"
+    ]
+  }
+}
diff --git a/.gitignore b/.gitignore
index 03845ee..6763694 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,6 @@ instance/
 *.db
 static/img/
 static/vid/
+static/uploads/*
+!static/uploads/.gitkeep
 logs/
diff --git a/CLAUDE.md b/CLAUDE.md
index be7fb0b..aebebf6 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -106,16 +106,28 @@ shows only `is_published` topics (sections with no published topics are hidden).
 
 ## Content editing (rich text / publish / reorder)
 
-- **Rich text:** Quill 1.3.7 vendored at `static/vendor/` (no CDN — survives a
-  locked-down server or strict CSP). It's a *progressive enhancement over a real
-  `<textarea name="body_html" id="body_src">`*: `body.quill-on` is added only
-  after `new Quill()` succeeds (hides the textarea, shows the editor). If Quill
-  fails to load, the textarea stays usable and a save never wipes the body.
+- **Rich text:** Quill 2.0.3 vendored at `static/vendor/quill.min.js` +
+  `quill.snow.css` (no CDN — survives a locked-down server or strict CSP). It's a
+  *progressive enhancement over a real `<textarea name="body_html" id="body_src">`*:
+  `body.quill-on` is added only after `new Quill()` succeeds (hides the textarea,
+  shows the editor). If Quill fails to load, the textarea stays usable and a save
+  never wipes the body. The submit handler keeps the body when it contains an
+  `img`/`table` even though `getText()` is empty for embed-only content.
+- **Images & tables:** the custom `#editor-toolbar` has a `ql-image` button and a
+  `.ql-table-op` button group. Images upload via `POST /admin/upload`
+  (`login_required`, CSRF via `X-CSRFToken` header): extension allowlist +
+  magic-byte sniff (`_sniff_image`, SVG excluded), 8 MB cap, saved as a random
+  `uuid4().hex.<ext>` under `static/uploads/`, returns `{url}`; the handler
+  `insertEmbed`s it (no base64 → DB stays small). Tables use Quill 2's *built-in*
+  `table: true` module (`getModule('table')` → insertTable/insertRow…/deleteTable) —
+  no third-party plugin. Table buttons `preventDefault` on mousedown to keep the
+  cell selection; cell-dependent ops are wrapped in try/catch.
 - **Sanitize on save:** `sanitize_html()` (bleach) runs on every `body_html`
-  write — allowlist `ALLOWED_TAGS`/`ALLOWED_ATTRS`, `strip=True`, and bleach
-  restricts link protocols to http/https/mailto (blocks `javascript:`). Empty /
-  `<p><br></p>` editor content is stored as NULL. The public page still renders
-  `body_html` via `Markup`, but the content is now sanitized at the source.
+  write — allowlist `ALLOWED_TAGS`/`ALLOWED_ATTRS` (now includes `img` + table
+  tags + `data-row`), `strip=True`; bleach restricts URL protocols on both `href`
+  and `img src` to http/https/mailto, blocking `javascript:` and `data:` (uploads
+  are relative `/static` paths). Empty / `<p><br></p>` editor content is stored as
+  NULL. The public page renders `body_html` via `Markup`, sanitized at the source.
 - **Draft/publish:** `topic.is_published` (default 1, so existing rows stay
   live). Public route filters to `Section.published_topics` and drops sections
   with none. Admin: per-topic `/topic/<id>/toggle` (quick button) + a Published
@@ -139,7 +151,8 @@ sudo mysql < add_admin.sql                      # audit_log (existing DBs)
 sudo mysql < add_publish.sql                    # topic.is_published (existing DBs)
 # .env: SECRET_KEY, ADMIN_USERNAME, ADMIN_PASSWORD_HASH, SESSION_COOKIE_SECURE=1
 sudo ./venv/bin/pip install -r requirements.txt  # includes bleach
-sudo systemctl restart jqc-features
+sudo -u jqc mkdir -p static/uploads              # in-body image uploads (writable)
+sudo systemctl restart jqc-features              # Quill 2 assets are static — no other step
 # fail2ban:
 sudo cp deploy/fail2ban/filter.d/jqc-admin.conf /etc/fail2ban/filter.d/
 sudo cp deploy/fail2ban/jail.d/jqc-admin.local  /etc/fail2ban/jail.d/
diff --git a/README.md b/README.md
index 21ed672..766b9fe 100644
--- a/README.md
+++ b/README.md
@@ -183,13 +183,20 @@ Then visit `https://your-domain/admin`, sign in, and manage content.
   change, newest first, filterable by action and type, paginated 50/page. Times
   are UTC.
 
-The editor (Quill) and drag library (SortableJS) are **vendored locally** under
+The editor (Quill 2) and drag library (SortableJS) are **vendored locally** under
 `static/vendor/` — no CDN dependency, so they work on a locked-down server and
-survive a strict CSP. Rich-text HTML is sanitized on save (`bleach`) against a
-tag allowlist, so a paste can't inject markup or `javascript:` links into the
-public page. If the editor ever fails to load, the body field degrades to a
+survive a strict CSP. The body toolbar supports **inline images** and **tables**
+(Quill 2's built-in table module: insert, add/remove rows & columns). Images are
+uploaded via `POST /admin/upload` — the file is stored under `static/uploads/`
+and referenced by URL, so the database stays small (no base64). Rich-text HTML is
+sanitized on save (`bleach`) against a tag allowlist that now includes `img` and
+table tags, so a paste can't inject markup, `javascript:`, or `data:` URLs into
+the public page. If the editor ever fails to load, the body field degrades to a
 plain textarea — a save never wipes content.
 
+`static/uploads/` must be writable by the app user (`jqc`) in production:
+`sudo -u jqc mkdir -p static/uploads`. Uploaded files are gitignored.
+
 ### Notes
 
 - `SESSION_COOKIE_SECURE=1` means the login cookie only sends over HTTPS. For a
diff --git a/admin.py b/admin.py
index 1fec46c..1ba6602 100644
--- a/admin.py
+++ b/admin.py
@@ -1,6 +1,8 @@
 import hmac
 import logging
+import os
 import re
+import uuid
 from functools import wraps
 
 from flask import (
@@ -17,6 +19,26 @@ auth_log = logging.getLogger("jqc.auth")
 
 MEDIA_TYPES = ("none", "image", "video", "embed")
 
+# In-body image uploads (rich-text editor). Extension allowlist plus a
+# magic-byte sniff so a renamed file can't slip a non-image through. SVG is
+# deliberately excluded (it can carry script). 8 MB cap.
+ALLOWED_IMAGE_EXT = {"png", "jpg", "jpeg", "gif", "webp"}
+MAX_UPLOAD_BYTES = 8 * 1024 * 1024
+
+
+def _sniff_image(head):
+    """Return a canonical extension if `head` (first bytes of a file) looks like
+    a supported image, else None."""
+    if head[:8] == b"\x89PNG\r\n\x1a\n":
+        return "png"
+    if head[:3] == b"\xff\xd8\xff":
+        return "jpg"
+    if head[:6] in (b"GIF87a", b"GIF89a"):
+        return "gif"
+    if head[:4] == b"RIFF" and head[8:12] == b"WEBP":
+        return "webp"
+    return None
+
 
 # ------------------------------------------------------------------ auth
 def login_required(view):
@@ -268,6 +290,40 @@ def reorder():
     return jsonify(ok=True)
 
 
+# ------------------------------------------------------------------ uploads
+@admin_bp.route("/upload", methods=["POST"])
+@login_required
+def upload():
+    """Store an image dropped/picked in the rich-text editor and return its
+    public URL as JSON: {"url": "/static/uploads/<name>"}. CSRF is enforced by
+    the global CSRFProtect via the X-CSRFToken header the editor sends."""
+    file = request.files.get("file")
+    if file is None or not file.filename:
+        return jsonify(error="No file provided."), 400
+
+    if request.content_length and request.content_length > MAX_UPLOAD_BYTES:
+        return jsonify(error="File too large (max 8 MB)."), 413
+
+    ext = file.filename.rsplit(".", 1)[-1].lower() if "." in file.filename else ""
+    if ext not in ALLOWED_IMAGE_EXT:
+        return jsonify(error="Unsupported file type."), 400
+
+    # Verify the bytes actually look like an image, not just the name.
+    head = file.stream.read(12)
+    file.stream.seek(0)
+    sniffed = _sniff_image(head)
+    if sniffed is None:
+        return jsonify(error="File is not a valid image."), 400
+
+    upload_dir = os.path.join(current_app.static_folder, "uploads")
+    os.makedirs(upload_dir, exist_ok=True)
+    name = f"{uuid.uuid4().hex}.{sniffed}"
+    file.save(os.path.join(upload_dir, name))
+
+    log_action(session.get("admin"), "create", "upload", None, name)
+    return jsonify(url=url_for("static", filename=f"uploads/{name}"))
+
+
 # ------------------------------------------------------------------ sections
 @admin_bp.route("/section/new", methods=["GET", "POST"])
 @admin_bp.route("/section/<int:section_id>", methods=["GET", "POST"])
diff --git a/app.py b/app.py
index a147f0d..77cc259 100644
--- a/app.py
+++ b/app.py
@@ -91,14 +91,28 @@ def log_action(actor, action, entity, entity_id=None, detail=None):
 ALLOWED_TAGS = [
     "p", "br", "strong", "b", "em", "i", "u", "s", "strike",
     "ul", "ol", "li", "a", "h2", "h3", "blockquote",
+    # images (inserted via the /admin/upload endpoint or a URL)
+    "img",
+    # tables (Quill 2 built-in table module)
+    "table", "thead", "tbody", "tr", "td", "th", "col", "colgroup",
 ]
-ALLOWED_ATTRS = {"a": ["href", "title", "target", "rel"]}
+ALLOWED_ATTRS = {
+    "a": ["href", "title", "target", "rel"],
+    "img": ["src", "alt", "width", "height"],
+    # Quill 2 tags cells/rows with data-row; keep the standard span attrs too.
+    "table": ["class"],
+    "td": ["data-row", "colspan", "rowspan"],
+    "th": ["data-row", "colspan", "rowspan"],
+    "tr": ["data-row"],
+    "col": ["width"],
+}
 
 
 def sanitize_html(raw):
     """Clean editor HTML against the allowlist. Returns None for empty content
-    so blank bodies stay NULL. bleach also restricts link protocols to
-    http/https/mailto, blocking javascript: URLs."""
+    so blank bodies stay NULL. bleach also restricts URL protocols to
+    http/https/mailto for both links and images, blocking javascript: and
+    data: URLs (uploaded images are served from a relative /static path)."""
     if not raw:
         return None
     cleaned = bleach.clean(
diff --git a/static/css/admin.css b/static/css/admin.css
index 9a2edb9..b7a3499 100644
--- a/static/css/admin.css
+++ b/static/css/admin.css
@@ -263,3 +263,17 @@ body.quill-on #body_src{display:none}                    /* hide raw textarea on
 #editor-toolbar.ql-toolbar .ql-stroke{stroke:var(--ink-soft)}
 #editor-toolbar.ql-toolbar button:hover .ql-stroke{stroke:var(--aqua-deep)}
 #editor-toolbar.ql-toolbar button.ql-active .ql-stroke{stroke:var(--aqua-deep)}
+
+/* Text-labelled table buttons (not SVG icons) need auto width. */
+#editor-toolbar.ql-toolbar .ql-table-op{
+  width:auto;padding:0 6px;font-size:.72rem;font-weight:600;color:var(--ink-soft);line-height:1.6;
+}
+#editor-toolbar.ql-toolbar .ql-table-op[data-op="insert"]{font-size:1rem}
+#editor-toolbar.ql-toolbar .ql-table-op:hover{color:var(--aqua-deep)}
+
+/* Images and tables inside the editor mirror how the public page renders them. */
+#editor .ql-editor img{max-width:100%;height:auto;border-radius:6px}
+#editor .ql-editor table{border-collapse:collapse;width:100%;margin:.5rem 0}
+#editor .ql-editor td,#editor .ql-editor th{
+  border:1px solid var(--hair);padding:.4rem .55rem;min-width:2rem;
+}
diff --git a/static/css/style.css b/static/css/style.css
index 20c8d6f..4bc80cd 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -151,6 +151,11 @@ body{
 .prose p{margin:0 0 .8em}
 .prose p:last-child{margin-bottom:0}
 .prose strong{color:var(--ink);font-weight:600}
+.prose img{max-width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--hair);margin:.6em 0}
+.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem}
+.prose td,.prose th{border:1px solid var(--hair);padding:.5rem .65rem;text-align:left;vertical-align:top}
+.prose th{background:rgba(0,0,0,.03);color:var(--ink);font-weight:600}
+.prose .table-wrap{overflow-x:auto}
 
 .topic__link{
   align-self:flex-start;display:inline-flex;align-items:center;gap:8px;
diff --git a/static/uploads/.gitkeep b/static/uploads/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/static/vendor/quill.min.js b/static/vendor/quill.min.js
index d9f46b8..4c528f8 100644
--- a/static/vendor/quill.min.js
+++ b/static/vendor/quill.min.js
@@ -1,8 +1,9 @@
-/*!
- * Quill Editor v1.3.7
- * https://quilljs.com/
- * Copyright (c) 2014, Jason Chen
- * Copyright (c) 2013, salesforce.com
+/**
+ * Skipped minification because the original files appears to be already minified.
+ * Original file: /npm/quill@2.0.3/dist/quill.js
+ *
+ * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
  */
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.Quill=e():t.Quill=e()}("undefined"!=typeof self?self:this,function(){return function(t){function e(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return t[r].call(o.exports,o,o.exports,e),o.l=!0,o.exports}var n={};return e.m=t,e.c=n,e.d=function(t,n,r){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:r})},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=45)}([function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var 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s=r.rowOffset();n.insertRow(s+t),this.quill.update(p.Ay.sources.USER),t>0?this.quill.setSelection(e,p.Ay.sources.SILENT):this.quill.setSelection(e.index+r.children.length,e.length,p.Ay.sources.SILENT)}insertRowAbove(){this.insertRow(0)}insertRowBelow(){this.insertRow(1)}insertTable(t,e){const n=this.quill.getSelection();if(null==n)return;const r=new Array(t).fill(0).reduce((t=>{const n=new Array(e).fill("\n").join("");return t.insert(n,{table:nt()})}),(new(z())).retain(n.index));this.quill.updateContents(r,p.Ay.sources.USER),this.quill.setSelection(n.index,p.Ay.sources.SILENT),this.balanceTables()}listenBalanceCells(){this.quill.on(p.Ay.events.SCROLL_OPTIMIZE,(t=>{t.some((t=>!!["TD","TR","TBODY","TABLE"].includes(t.target.tagName)&&(this.quill.once(p.Ay.events.TEXT_CHANGE,((t,e,n)=>{n===p.Ay.sources.USER&&this.balanceTables()})),!0)))}))}}var it=rt;const st=(0,n(6078).A)("quill:toolbar");class ot extends F.A{constructor(t,e){if(super(t,e),Array.isArray(this.options.container)){const 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dt=class{constructor(t){this.select=t,this.container=document.createElement("span"),this.buildPicker(),this.select.style.display="none",this.select.parentNode.insertBefore(this.container,this.select),this.label.addEventListener("mousedown",(()=>{this.togglePicker()})),this.label.addEventListener("keydown",(t=>{switch(t.key){case"Enter":this.togglePicker();break;case"Escape":this.escape(),t.preventDefault()}})),this.select.addEventListener("change",this.update.bind(this))}togglePicker(){this.container.classList.toggle("ql-expanded"),ht(this.label,"aria-expanded"),ht(this.options,"aria-hidden")}buildItem(t){const e=document.createElement("span");e.tabIndex="0",e.setAttribute("role","button"),e.classList.add("ql-picker-item");const n=t.getAttribute("value");return n&&e.setAttribute("data-value",n),t.textContent&&e.setAttribute("data-label",t.textContent),e.addEventListener("click",(()=>{this.selectItem(e,!0)})),e.addEventListener("keydown",(t=>{switch(t.key){case"Enter":this.selectItem(e,!0),t.preventDefault();break;case"Escape":this.escape(),t.preventDefault()}})),e}buildLabel(){const t=document.createElement("span");return t.classList.add("ql-picker-label"),t.innerHTML='<svg viewbox="0 0 18 18"><polygon class="ql-stroke" points="7 11 9 13 11 11 7 11"/><polygon class="ql-stroke" points="7 7 9 5 11 7 7 7"/></svg>',t.tabIndex="0",t.setAttribute("role","button"),t.setAttribute("aria-expanded","false"),this.container.appendChild(t),t}buildOptions(){const t=document.createElement("span");t.classList.add("ql-picker-options"),t.setAttribute("aria-hidden","true"),t.tabIndex="-1",t.id=`ql-picker-options-${ut}`,ut+=1,this.label.setAttribute("aria-controls",t.id),this.options=t,Array.from(this.select.options).forEach((e=>{const n=this.buildItem(e);t.appendChild(n),!0===e.selected&&this.selectItem(n)})),this.container.appendChild(t)}buildPicker(){Array.from(this.select.attributes).forEach((t=>{this.container.setAttribute(t.name,t.value)})),this.container.classList.add("ql-picker"),this.label=this.buildLabel(),this.buildOptions()}escape(){this.close(),setTimeout((()=>this.label.focus()),1)}close(){this.container.classList.remove("ql-expanded"),this.label.setAttribute("aria-expanded","false"),this.options.setAttribute("aria-hidden","true")}selectItem(t){let e=arguments.length>1&&void 0!==arguments[1]&&arguments[1];const n=this.container.querySelector(".ql-selected");t!==n&&(null!=n&&n.classList.remove("ql-selected"),null!=t&&(t.classList.add("ql-selected"),this.select.selectedIndex=Array.from(t.parentNode.children).indexOf(t),t.hasAttribute("data-value")?this.label.setAttribute("data-value",t.getAttribute("data-value")):this.label.removeAttribute("data-value"),t.hasAttribute("data-label")?this.label.setAttribute("data-label",t.getAttribute("data-label")):this.label.removeAttribute("data-label"),e&&(this.select.dispatchEvent(new Event("change")),this.close())))}update(){let t;if(this.select.selectedIndex>-1){const e=this.container.querySelector(".ql-picker-options").children[this.select.selectedIndex];t=this.select.options[this.select.selectedIndex],this.selectItem(e)}else this.selectItem(null);const e=null!=t&&t!==this.select.querySelector("option[selected]");this.label.classList.toggle("ql-active",e)}},ft=class extends dt{constructor(t,e){super(t),this.label.innerHTML=e,this.container.classList.add("ql-color-picker"),Array.from(this.container.querySelectorAll(".ql-picker-item")).slice(0,7).forEach((t=>{t.classList.add("ql-primary")}))}buildItem(t){const e=super.buildItem(t);return e.style.backgroundColor=t.getAttribute("value")||"",e}selectItem(t,e){super.selectItem(t,e);const n=this.label.querySelector(".ql-color-label"),r=t&&t.getAttribute("data-value")||"";n&&("line"===n.tagName?n.style.stroke=r:n.style.fill=r)}},pt=class extends dt{constructor(t,e){super(t),this.container.classList.add("ql-icon-picker"),Array.from(this.container.querySelectorAll(".ql-picker-item")).forEach((t=>{t.innerHTML=e[t.getAttribute("data-value")||""]})),this.defaultItem=this.container.querySelector(".ql-selected"),this.selectItem(this.defaultItem)}selectItem(t,e){super.selectItem(t,e);const n=t||this.defaultItem;if(null!=n){if(this.label.innerHTML===n.innerHTML)return;this.label.innerHTML=n.innerHTML}}},gt=class{constructor(t,e){this.quill=t,this.boundsContainer=e||document.body,this.root=t.addContainer("ql-tooltip"),this.root.innerHTML=this.constructor.TEMPLATE,(t=>{const{overflowY:e}=getComputedStyle(t,null);return"visible"!==e&&"clip"!==e})(this.quill.root)&&this.quill.root.addEventListener("scroll",(()=>{this.root.style.marginTop=-1*this.quill.root.scrollTop+"px"})),this.hide()}hide(){this.root.classList.add("ql-hidden")}position(t){const e=t.left+t.width/2-this.root.offsetWidth/2,n=t.bottom+this.quill.root.scrollTop;this.root.style.left=`${e}px`,this.root.style.top=`${n}px`,this.root.classList.remove("ql-flip");const r=this.boundsContainer.getBoundingClientRect(),i=this.root.getBoundingClientRect();let s=0;if(i.right>r.right&&(s=r.right-i.right,this.root.style.left=`${e+s}px`),i.left<r.left&&(s=r.left-i.left,this.root.style.left=`${e+s}px`),i.bottom>r.bottom){const e=i.bottom-i.top,r=t.bottom-t.top+e;this.root.style.top=n-r+"px",this.root.classList.add("ql-flip")}return s}show(){this.root.classList.remove("ql-editing"),this.root.classList.remove("ql-hidden")}},mt=n(8347),bt=n(5374),yt=n(9609);const vt=[!1,"center","right","justify"],At=["#000000","#e60000","#ff9900","#ffff00","#008a00","#0066cc","#9933ff","#ffffff","#facccc","#ffebcc","#ffffcc","#cce8cc","#cce0f5","#ebd6ff","#bbbbbb","#f06666","#ffc266","#ffff66","#66b966","#66a3e0","#c285ff","#888888","#a10000","#b26b00","#b2b200","#006100","#0047b2","#6b24b2","#444444","#5c0000","#663d00","#666600","#003700","#002966","#3d1466"],xt=[!1,"serif","monospace"],Nt=["1","2","3",!1],Et=["small",!1,"large","huge"];class wt extends yt.A{constructor(t,e){super(t,e);const n=e=>{document.body.contains(t.root)?(null==this.tooltip||this.tooltip.root.contains(e.target)||document.activeElement===this.tooltip.textbox||this.quill.hasFocus()||this.tooltip.hide(),null!=this.pickers&&this.pickers.forEach((t=>{t.container.contains(e.target)||t.close()}))):document.body.removeEventListener("click",n)};t.emitter.listenDOM("click",document.body,n)}addModule(t){const e=super.addModule(t);return"toolbar"===t&&this.extendToolbar(e),e}buildButtons(t,e){Array.from(t).forEach((t=>{(t.getAttribute("class")||"").split(/\s+/).forEach((n=>{if(n.startsWith("ql-")&&(n=n.slice(3),null!=e[n]))if("direction"===n)t.innerHTML=e[n][""]+e[n].rtl;else if("string"==typeof e[n])t.innerHTML=e[n];else{const r=t.value||"";null!=r&&e[n][r]&&(t.innerHTML=e[n][r])}}))}))}buildPickers(t,e){this.pickers=Array.from(t).map((t=>{if(t.classList.contains("ql-align")&&(null==t.querySelector("option")&&kt(t,vt),"object"==typeof e.align))return new pt(t,e.align);if(t.classList.contains("ql-background")||t.classList.contains("ql-color")){const n=t.classList.contains("ql-background")?"background":"color";return null==t.querySelector("option")&&kt(t,At,"background"===n?"#ffffff":"#000000"),new ft(t,e[n])}return null==t.querySelector("option")&&(t.classList.contains("ql-font")?kt(t,xt):t.classList.contains("ql-header")?kt(t,Nt):t.classList.contains("ql-size")&&kt(t,Et)),new dt(t)})),this.quill.on(bt.A.events.EDITOR_CHANGE,(()=>{this.pickers.forEach((t=>{t.update()}))}))}}wt.DEFAULTS=(0,mt.A)({},yt.A.DEFAULTS,{modules:{toolbar:{handlers:{formula(){this.quill.theme.tooltip.edit("formula")},image(){let t=this.container.querySelector("input.ql-image[type=file]");null==t&&(t=document.createElement("input"),t.setAttribute("type","file"),t.setAttribute("accept",this.quill.uploader.options.mimetypes.join(", ")),t.classList.add("ql-image"),t.addEventListener("change",(()=>{const e=this.quill.getSelection(!0);this.quill.uploader.upload(e,t.files),t.value=""})),this.container.appendChild(t)),t.click()},video(){this.quill.theme.tooltip.edit("video")}}}}});class qt extends gt{constructor(t,e){super(t,e),this.textbox=this.root.querySelector('input[type="text"]'),this.listen()}listen(){this.textbox.addEventListener("keydown",(t=>{"Enter"===t.key?(this.save(),t.preventDefault()):"Escape"===t.key&&(this.cancel(),t.preventDefault())}))}cancel(){this.hide(),this.restoreFocus()}edit(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"link",e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(this.root.classList.remove("ql-hidden"),this.root.classList.add("ql-editing"),null==this.textbox)return;null!=e?this.textbox.value=e:t!==this.root.getAttribute("data-mode")&&(this.textbox.value="");const n=this.quill.getBounds(this.quill.selection.savedRange);null!=n&&this.position(n),this.textbox.select(),this.textbox.setAttribute("placeholder",this.textbox.getAttribute(`data-${t}`)||""),this.root.setAttribute("data-mode",t)}restoreFocus(){this.quill.focus({preventScroll:!0})}save(){let{value:t}=this.textbox;switch(this.root.getAttribute("data-mode")){case"link":{const{scrollTop:e}=this.quill.root;this.linkRange?(this.quill.formatText(this.linkRange,"link",t,bt.A.sources.USER),delete this.linkRange):(this.restoreFocus(),this.quill.format("link",t,bt.A.sources.USER)),this.quill.root.scrollTop=e;break}case"video":t=function(t){let e=t.match(/^(?:(https?):\/\/)?(?:(?:www|m)\.)?youtube\.com\/watch.*v=([a-zA-Z0-9_-]+)/)||t.match(/^(?:(https?):\/\/)?(?:(?:www|m)\.)?youtu\.be\/([a-zA-Z0-9_-]+)/);return e?`${e[1]||"https"}://www.youtube.com/embed/${e[2]}?showinfo=0`:(e=t.match(/^(?:(https?):\/\/)?(?:www\.)?vimeo\.com\/(\d+)/))?`${e[1]||"https"}://player.vimeo.com/video/${e[2]}/`:t}(t);case"formula":{if(!t)break;const e=this.quill.getSelection(!0);if(null!=e){const n=e.index+e.length;this.quill.insertEmbed(n,this.root.getAttribute("data-mode"),t,bt.A.sources.USER),"formula"===this.root.getAttribute("data-mode")&&this.quill.insertText(n+1," ",bt.A.sources.USER),this.quill.setSelection(n+2,bt.A.sources.USER)}break}}this.textbox.value="",this.hide()}}function kt(t,e){let n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];e.forEach((e=>{const r=document.createElement("option");e===n?r.setAttribute("selected","selected"):r.setAttribute("value",String(e)),t.appendChild(r)}))}var _t=n(8298);const Lt=[["bold","italic","link"],[{header:1},{header:2},"blockquote"]];class St extends qt{static TEMPLATE=['<span class="ql-tooltip-arrow"></span>','<div class="ql-tooltip-editor">','<input type="text" data-formula="e=mc^2" data-link="https://quilljs.com" data-video="Embed URL">','<a class="ql-close"></a>',"</div>"].join("");constructor(t,e){super(t,e),this.quill.on(bt.A.events.EDITOR_CHANGE,((t,e,n,r)=>{if(t===bt.A.events.SELECTION_CHANGE)if(null!=e&&e.length>0&&r===bt.A.sources.USER){this.show(),this.root.style.left="0px",this.root.style.width="",this.root.style.width=`${this.root.offsetWidth}px`;const t=this.quill.getLines(e.index,e.length);if(1===t.length){const t=this.quill.getBounds(e);null!=t&&this.position(t)}else{const n=t[t.length-1],r=this.quill.getIndex(n),i=Math.min(n.length()-1,e.index+e.length-r),s=this.quill.getBounds(new _t.Q(r,i));null!=s&&this.position(s)}}else document.activeElement!==this.textbox&&this.quill.hasFocus()&&this.hide()}))}listen(){super.listen(),this.root.querySelector(".ql-close").addEventListener("click",(()=>{this.root.classList.remove("ql-editing")})),this.quill.on(bt.A.events.SCROLL_OPTIMIZE,(()=>{setTimeout((()=>{if(this.root.classList.contains("ql-hidden"))return;const t=this.quill.getSelection();if(null!=t){const e=this.quill.getBounds(t);null!=e&&this.position(e)}}),1)}))}cancel(){this.show()}position(t){const e=super.position(t),n=this.root.querySelector(".ql-tooltip-arrow");return n.style.marginLeft="",0!==e&&(n.style.marginLeft=-1*e-n.offsetWidth/2+"px"),e}}class Ot extends wt{constructor(t,e){null!=e.modules.toolbar&&null==e.modules.toolbar.container&&(e.modules.toolbar.container=Lt),super(t,e),this.quill.container.classList.add("ql-bubble")}extendToolbar(t){this.tooltip=new St(this.quill,this.options.bounds),null!=t.container&&(this.tooltip.root.appendChild(t.container),this.buildButtons(t.container.querySelectorAll("button"),ct),this.buildPickers(t.container.querySelectorAll("select"),ct))}}Ot.DEFAULTS=(0,mt.A)({},wt.DEFAULTS,{modules:{toolbar:{handlers:{link(t){t?this.quill.theme.tooltip.edit():this.quill.format("link",!1,p.Ay.sources.USER)}}}}});const Tt=[[{header:["1","2","3",!1]}],["bold","italic","underline","link"],[{list:"ordered"},{list:"bullet"}],["clean"]];class jt extends qt{static TEMPLATE=['<a class="ql-preview" rel="noopener noreferrer" target="_blank" href="about:blank"></a>','<input type="text" data-formula="e=mc^2" data-link="https://quilljs.com" data-video="Embed URL">','<a class="ql-action"></a>','<a class="ql-remove"></a>'].join("");preview=this.root.querySelector("a.ql-preview");listen(){super.listen(),this.root.querySelector("a.ql-action").addEventListener("click",(t=>{this.root.classList.contains("ql-editing")?this.save():this.edit("link",this.preview.textContent),t.preventDefault()})),this.root.querySelector("a.ql-remove").addEventListener("click",(t=>{if(null!=this.linkRange){const t=this.linkRange;this.restoreFocus(),this.quill.formatText(t,"link",!1,bt.A.sources.USER),delete this.linkRange}t.preventDefault(),this.hide()})),this.quill.on(bt.A.events.SELECTION_CHANGE,((t,e,n)=>{if(null!=t){if(0===t.length&&n===bt.A.sources.USER){const[e,n]=this.quill.scroll.descendant(w,t.index);if(null!=e){this.linkRange=new _t.Q(t.index-n,e.length());const r=w.formats(e.domNode);this.preview.textContent=r,this.preview.setAttribute("href",r),this.show();const i=this.quill.getBounds(this.linkRange);return void(null!=i&&this.position(i))}}else delete this.linkRange;this.hide()}}))}show(){super.show(),this.root.removeAttribute("data-mode")}}class Ct extends wt{constructor(t,e){null!=e.modules.toolbar&&null==e.modules.toolbar.container&&(e.modules.toolbar.container=Tt),super(t,e),this.quill.container.classList.add("ql-snow")}extendToolbar(t){null!=t.container&&(t.container.classList.add("ql-snow"),this.buildButtons(t.container.querySelectorAll("button"),ct),this.buildPickers(t.container.querySelectorAll("select"),ct),this.tooltip=new jt(this.quill,this.options.bounds),t.container.querySelector(".ql-link")&&this.quill.keyboard.addBinding({key:"k",shortKey:!0},((e,n)=>{t.handlers.link.call(t,!n.format.link)})))}}Ct.DEFAULTS=(0,mt.A)({},wt.DEFAULTS,{modules:{toolbar:{handlers:{link(t){if(t){const t=this.quill.getSelection();if(null==t||0===t.length)return;let e=this.quill.getText(t);/^\S+@\S+\.\S+$/.test(e)&&0!==e.indexOf("mailto:")&&(e=`mailto:${e}`);const{tooltip:n}=this.quill.theme;n.edit("link",e)}else this.quill.format("link",!1,p.Ay.sources.USER)}}}}});var Rt=Ct;t.default.register({"attributors/attribute/direction":i.Mc,"attributors/class/align":e.qh,"attributors/class/background":b.l,"attributors/class/color":y.g3,"attributors/class/direction":i.sY,"attributors/class/font":v.q,"attributors/class/size":A.U,"attributors/style/align":e.Hu,"attributors/style/background":b.s,"attributors/style/color":y.JM,"attributors/style/direction":i.VL,"attributors/style/font":v.z,"attributors/style/size":A.r},!0),t.default.register({"formats/align":e.qh,"formats/direction":i.sY,"formats/indent":l,"formats/background":b.s,"formats/color":y.JM,"formats/font":v.q,"formats/size":A.U,"formats/blockquote":u,"formats/code-block":D.Ay,"formats/header":d,"formats/list":m,"formats/bold":E,"formats/code":D.Cy,"formats/italic":class extends E{static blotName="italic";static tagName=["EM","I"]},"formats/link":w,"formats/script":_,"formats/strike":class extends E{static blotName="strike";static tagName=["S","STRIKE"]},"formats/underline":S,"formats/formula":j,"formats/image":I,"formats/video":U,"modules/syntax":Q,"modules/table":it,"modules/toolbar":ot,"themes/bubble":Ot,"themes/snow":Rt,"ui/icons":ct,"ui/picker":dt,"ui/icon-picker":pt,"ui/color-picker":ft,"ui/tooltip":gt},!0);var It=t.default}(),r.default}()}));
+//# sourceMappingURL=quill.js.map
\ No newline at end of file
diff --git a/static/vendor/quill.snow.css b/static/vendor/quill.snow.css
index ccf825d..c95a80e 100644
--- a/static/vendor/quill.snow.css
+++ b/static/vendor/quill.snow.css
@@ -1,945 +1,10 @@
 /*!
- * Quill Editor v1.3.7
- * https://quilljs.com/
+ * Quill Editor v2.0.3
+ * https://quilljs.com
+ * Copyright (c) 2017-2024, Slab
  * Copyright (c) 2014, Jason Chen
  * Copyright (c) 2013, salesforce.com
  */
-.ql-container {
-  box-sizing: border-box;
-  font-family: Helvetica, Arial, sans-serif;
-  font-size: 13px;
-  height: 100%;
-  margin: 0px;
-  position: relative;
-}
-.ql-container.ql-disabled .ql-tooltip {
-  visibility: hidden;
-}
-.ql-container.ql-disabled .ql-editor ul[data-checked] > li::before {
-  pointer-events: none;
-}
-.ql-clipboard {
-  left: -100000px;
-  height: 1px;
-  overflow-y: hidden;
-  position: absolute;
-  top: 50%;
-}
-.ql-clipboard p {
-  margin: 0;
-  padding: 0;
-}
-.ql-editor {
-  box-sizing: border-box;
-  line-height: 1.42;
-  height: 100%;
-  outline: none;
-  overflow-y: auto;
-  padding: 12px 15px;
-  tab-size: 4;
-  -moz-tab-size: 4;
-  text-align: left;
-  white-space: pre-wrap;
-  word-wrap: break-word;
-}
-.ql-editor > * {
-  cursor: text;
-}
-.ql-editor p,
-.ql-editor ol,
-.ql-editor ul,
-.ql-editor pre,
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.ql-stroke-miter,.ql-snow .ql-toolbar button:focus .ql-stroke-miter,.ql-snow.ql-toolbar button.ql-active .ql-stroke-miter,.ql-snow .ql-toolbar button.ql-active .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-stroke-miter{stroke:#06c}@media (pointer:coarse){.ql-snow.ql-toolbar button:hover:not(.ql-active),.ql-snow .ql-toolbar button:hover:not(.ql-active){color:#444}.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-fill,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-fill,.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke.ql-fill,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke.ql-fill{fill:#444}.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke,.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke-miter,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke-miter{stroke:#444}}.ql-snow{box-sizing:border-box}.ql-snow *{box-sizing:border-box}.ql-snow .ql-hidden{display:none}.ql-snow .ql-out-bottom,.ql-snow .ql-out-top{visibility:hidden}.ql-snow .ql-tooltip{position:absolute;transform:translateY(10px)}.ql-snow .ql-tooltip a{cursor:pointer;text-decoration:none}.ql-snow .ql-tooltip.ql-flip{transform:translateY(-10px)}.ql-snow .ql-formats{display:inline-block;vertical-align:middle}.ql-snow .ql-formats:after{clear:both;content:'';display:table}.ql-snow .ql-stroke{fill:none;stroke:#444;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.ql-snow .ql-stroke-miter{fill:none;stroke:#444;stroke-miterlimit:10;stroke-width:2}.ql-snow .ql-fill,.ql-snow .ql-stroke.ql-fill{fill:#444}.ql-snow .ql-empty{fill:none}.ql-snow .ql-even{fill-rule:evenodd}.ql-snow .ql-thin,.ql-snow .ql-stroke.ql-thin{stroke-width:1}.ql-snow .ql-transparent{opacity:.4}.ql-snow .ql-direction svg:last-child{display:none}.ql-snow .ql-direction.ql-active svg:last-child{display:inline}.ql-snow .ql-direction.ql-active svg:first-child{display:none}.ql-snow .ql-editor h1{font-size:2em}.ql-snow .ql-editor h2{font-size:1.5em}.ql-snow .ql-editor h3{font-size:1.17em}.ql-snow .ql-editor h4{font-size:1em}.ql-snow .ql-editor h5{font-size:.83em}.ql-snow .ql-editor h6{font-size:.67em}.ql-snow .ql-editor a{text-decoration:underline}.ql-snow .ql-editor blockquote{border-left:4px solid #ccc;margin-bottom:5px;margin-top:5px;padding-left:16px}.ql-snow .ql-editor code,.ql-snow .ql-editor .ql-code-block-container{background-color:#f0f0f0;border-radius:3px}.ql-snow .ql-editor .ql-code-block-container{margin-bottom:5px;margin-top:5px;padding:5px 10px}.ql-snow .ql-editor code{font-size:85%;padding:2px 4px}.ql-snow .ql-editor .ql-code-block-container{background-color:#23241f;color:#f8f8f2;overflow:visible}.ql-snow .ql-editor img{max-width:100%}.ql-snow .ql-picker{color:#444;display:inline-block;float:left;font-size:14px;font-weight:500;height:24px;position:relative;vertical-align:middle}.ql-snow .ql-picker-label{cursor:pointer;display:inline-block;height:100%;padding-left:8px;padding-right:2px;position:relative;width:100%}.ql-snow .ql-picker-label::before{display:inline-block;line-height:22px}.ql-snow .ql-picker-options{background-color:#fff;display:none;min-width:100%;padding:4px 8px;position:absolute;white-space:nowrap}.ql-snow .ql-picker-options .ql-picker-item{cursor:pointer;display:block;padding-bottom:5px;padding-top:5px}.ql-snow .ql-picker.ql-expanded .ql-picker-label{color:#ccc;z-index:2}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-fill{fill:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-stroke{stroke:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-options{display:block;margin-top:-1px;top:100%;z-index:1}.ql-snow .ql-color-picker,.ql-snow .ql-icon-picker{width:28px}.ql-snow .ql-color-picker .ql-picker-label,.ql-snow .ql-icon-picker .ql-picker-label{padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-label svg,.ql-snow .ql-icon-picker .ql-picker-label svg{right:4px}.ql-snow .ql-icon-picker .ql-picker-options{padding:4px 0}.ql-snow .ql-icon-picker .ql-picker-item{height:24px;width:24px;padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-options{padding:3px 5px;width:152px}.ql-snow .ql-color-picker .ql-picker-item{border:1px solid transparent;float:left;height:16px;margin:2px;padding:0;width:16px}.ql-snow .ql-picker:not(.ql-color-picker):not(.ql-icon-picker) svg{position:absolute;margin-top:-9px;right:0;top:50%;width:18px}.ql-snow .ql-picker.ql-header .ql-picker-label[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-font .ql-picker-label[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-size .ql-picker-label[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-label]:not([data-label=''])::before{content:attr(data-label)}.ql-snow .ql-picker.ql-header{width:98px}.ql-snow .ql-picker.ql-header .ql-picker-label::before,.ql-snow .ql-picker.ql-header .ql-picker-item::before{content:'Normal'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before{content:'Heading 1'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before{content:'Heading 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.ql-picker.ql-header .ql-picker-item[data-value="5"]::before{font-size:.83em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before{font-size:.67em}.ql-snow .ql-picker.ql-font{width:108px}.ql-snow .ql-picker.ql-font .ql-picker-label::before,.ql-snow .ql-picker.ql-font .ql-picker-item::before{content:'Sans Serif'}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=serif]::before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]::before{content:'Serif'}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=monospace]::before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]::before{content:'Monospace'}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]::before{font-family:Georgia,Times New Roman,serif}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]::before{font-family:Monaco,Courier New,monospace}.ql-snow .ql-picker.ql-size{width:98px}.ql-snow .ql-picker.ql-size .ql-picker-label::before,.ql-snow 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input[type=text]{display:none;border:1px solid #ccc;font-size:13px;height:26px;margin:0;padding:3px 5px;width:170px}.ql-snow .ql-tooltip a.ql-preview{display:inline-block;max-width:200px;overflow-x:hidden;text-overflow:ellipsis;vertical-align:top}.ql-snow .ql-tooltip a.ql-action::after{border-right:1px solid #ccc;content:'Edit';margin-left:16px;padding-right:8px}.ql-snow .ql-tooltip a.ql-remove::before{content:'Remove';margin-left:8px}.ql-snow .ql-tooltip a{line-height:26px}.ql-snow .ql-tooltip.ql-editing a.ql-preview,.ql-snow .ql-tooltip.ql-editing a.ql-remove{display:none}.ql-snow .ql-tooltip.ql-editing input[type=text]{display:inline-block}.ql-snow .ql-tooltip.ql-editing a.ql-action::after{border-right:0;content:'Save';padding-right:0}.ql-snow .ql-tooltip[data-mode=link]::before{content:"Enter link:"}.ql-snow .ql-tooltip[data-mode=formula]::before{content:"Enter formula:"}.ql-snow .ql-tooltip[data-mode=video]::before{content:"Enter video:"}.ql-snow a{color:#06c}.ql-container.ql-snow{border:1px solid #ccc}
+
+/*# sourceMappingURL=quill.snow.css.map*/
\ No newline at end of file
diff --git a/templates/admin/topic_form.html b/templates/admin/topic_form.html
index fdc97b5..2cd9e4f 100644
--- a/templates/admin/topic_form.html
+++ b/templates/admin/topic_form.html
@@ -74,8 +74,17 @@
       </span>
       <span class="ql-formats">
         <button class="ql-link"></button>
+        <button class="ql-image" title="Insert image"></button>
         <button class="ql-clean"></button>
       </span>
+      <span class="ql-formats ql-table-tools">
+        <button type="button" class="ql-table-op" data-op="insert" title="Insert table">▦</button>
+        <button type="button" class="ql-table-op" data-op="row" title="Add row below">+Row</button>
+        <button type="button" class="ql-table-op" data-op="col" title="Add column right">+Col</button>
+        <button type="button" class="ql-table-op" data-op="delrow" title="Delete row">−Row</button>
+        <button type="button" class="ql-table-op" data-op="delcol" title="Delete column">−Col</button>
+        <button type="button" class="ql-table-op" data-op="deltable" title="Delete table">✕Table</button>
+      </span>
     </div>
     <div id="editor"></div>
     <!-- Real field. Quill enhances it; if Quill fails to load, this stays a
@@ -140,16 +149,75 @@
   (function () {
     if (typeof Quill === 'undefined') return;   // textarea stays usable
     var ta = document.getElementById('body_src');
-    var toolbar = document.getElementById('editor-toolbar');
+    var toolbarEl = document.getElementById('editor-toolbar');
     var editorEl = document.getElementById('editor');
-    var quill = new Quill(editorEl, { theme: 'snow', modules: { toolbar: toolbar } });
+    var quill = new Quill(editorEl, {
+      theme: 'snow',
+      // `table: true` enables Quill 2's built-in table module.
+      modules: { toolbar: toolbarEl, table: true }
+    });
     if (ta.value.trim()) quill.clipboard.dangerouslyPasteHTML(ta.value);
 
+    var csrf = document.querySelector('meta[name="csrf-token"]').content;
+    var tableModule = quill.getModule('table');
+
+    // --- Image button: upload the file, then embed the returned URL. This
+    // keeps the DB small (no base64) and the image is served as a static file.
+    quill.getModule('toolbar').addHandler('image', function () {
+      var input = document.createElement('input');
+      input.type = 'file';
+      input.accept = 'image/png,image/jpeg,image/gif,image/webp';
+      input.onchange = function () {
+        var file = input.files && input.files[0];
+        if (!file) return;
+        var fd = new FormData();
+        fd.append('file', file);
+        fetch('{{ url_for("admin.upload") }}', {
+          method: 'POST', headers: { 'X-CSRFToken': csrf }, body: fd
+        }).then(function (r) {
+          return r.json().then(function (j) { return { ok: r.ok, body: j }; });
+        }).then(function (res) {
+          if (!res.ok) { alert(res.body.error || 'Upload failed.'); return; }
+          var range = quill.getSelection(true);
+          quill.insertEmbed(range.index, 'image', res.body.url, 'user');
+          quill.setSelection(range.index + 1, 'silent');
+        }).catch(function () { alert('Upload failed.'); });
+      };
+      input.click();
+    });
+
+    // --- Table controls. Row/column ops act on the cell holding the cursor.
+    toolbarEl.querySelectorAll('.ql-table-op').forEach(function (btn) {
+      // Preventing the mousedown default keeps the editor's selection so the
+      // table module knows which cell the cursor is in.
+      btn.addEventListener('mousedown', function (e) { e.preventDefault(); });
+      btn.addEventListener('click', function () {
+        var op = btn.getAttribute('data-op');
+        try {
+          if (op === 'insert') {
+            if (!quill.getSelection()) quill.setSelection(quill.getLength() - 1, 0);
+            tableModule.insertTable(3, 3);
+          }
+          else if (op === 'row')      tableModule.insertRowBelow();
+          else if (op === 'col')      tableModule.insertColumnRight();
+          else if (op === 'delrow')   tableModule.deleteRow();
+          else if (op === 'delcol')   tableModule.deleteColumn();
+          else if (op === 'deltable') tableModule.deleteTable();
+        } catch (err) {
+          alert('Place the cursor inside a table cell first.');
+        }
+      });
+    });
+
     // Switch the UI from textarea to Quill only once it's ready.
     document.body.classList.add('quill-on');
 
     ta.form.addEventListener('submit', function () {
-      ta.value = quill.getText().trim().length ? quill.root.innerHTML : '';
+      // getText() is empty for an image/table-only body, so also check for
+      // embeds before treating the editor as blank (which would wipe the save).
+      var hasText = quill.getText().trim().length > 0;
+      var hasEmbed = quill.root.querySelector('img, table');
+      ta.value = (hasText || hasEmbed) ? quill.root.innerHTML : '';
     });
   })();
 </script>