diff --git a/module.json b/module.json
index b68cc09..be0d9ec 100644
--- a/module.json
+++ b/module.json
@@ -17,5 +17,8 @@
   ],
   "styles": [
     "styles/gm-assistant.css"
-  ]
+  ],
+  "url": "https://git.kavcorp.com/kavren/gm-assistant",
+  "manifest": "https://git.kavcorp.com/kavren/gm-assistant/raw/branch/main/module.json",
+  "download": "https://git.kavcorp.com/kavren/gm-assistant/releases/download/v0.1.0/gm-assistant.zip"
 }
diff --git a/scripts/main.js b/scripts/main.js
index 27c0d8e..72cdeda 100644
--- a/scripts/main.js
+++ b/scripts/main.js
@@ -23,10 +23,11 @@ Hooks.once('ready', () => {
   console.log('GM Assistant | Module ready');
 });
 
-// Add button to scene controls
+// Add button to scene controls (v13 API)
 Hooks.on('getSceneControlButtons', (controls) => {
   if (!game.user?.isGM) return;
 
+  // v13 uses array of control groups
   const tokenControls = controls.find(c => c.name === 'token');
   if (tokenControls) {
     tokenControls.tools.push({
@@ -39,6 +40,78 @@ Hooks.on('getSceneControlButtons', (controls) => {
   }
 });
 
+// Add floating button as fallback (always visible, draggable)
+Hooks.once('ready', () => {
+  if (!game.user?.isGM) return;
+
+  // Load saved position or use default
+  const savedPos = JSON.parse(localStorage.getItem('gm-assistant-btn-pos') || '{"top":8,"left":240}');
+
+  const btn = document.createElement('button');
+  btn.id = 'gm-assistant-fab';
+  btn.innerHTML = '<i class="fas fa-robot"></i>';
+  btn.title = 'GM Assistant (drag to move)';
+  btn.style.cssText = `
+    position: fixed;
+    top: ${savedPos.top}px;
+    left: ${savedPos.left}px;
+    width: 36px;
+    height: 36px;
+    border-radius: 6px;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    border: none;
+    color: white;
+    font-size: 16px;
+    cursor: grab;
+    z-index: 1000;
+    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
+    user-select: none;
+  `;
+
+  let isDragging = false;
+  let wasDragged = false;
+  let startX, startY, startLeft, startTop;
+
+  btn.onmousedown = (e) => {
+    isDragging = true;
+    wasDragged = false;
+    startX = e.clientX;
+    startY = e.clientY;
+    startLeft = btn.offsetLeft;
+    startTop = btn.offsetTop;
+    btn.style.cursor = 'grabbing';
+    e.preventDefault();
+  };
+
+  document.addEventListener('mousemove', (e) => {
+    if (!isDragging) return;
+    const dx = e.clientX - startX;
+    const dy = e.clientY - startY;
+    if (Math.abs(dx) > 3 || Math.abs(dy) > 3) wasDragged = true;
+    btn.style.left = (startLeft + dx) + 'px';
+    btn.style.top = (startTop + dy) + 'px';
+  });
+
+  document.addEventListener('mouseup', () => {
+    if (isDragging) {
+      isDragging = false;
+      btn.style.cursor = 'grab';
+      // Save position
+      localStorage.setItem('gm-assistant-btn-pos', JSON.stringify({
+        top: btn.offsetTop,
+        left: btn.offsetLeft
+      }));
+    }
+  });
+
+  btn.onclick = (e) => {
+    if (!wasDragged) GMAssistantApp.show();
+  };
+
+  document.body.appendChild(btn);
+  console.log('GM Assistant | Floating button added');
+});
+
 // GM Assistant Application Window
 class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
   static DEFAULT_OPTIONS = {
@@ -102,7 +175,11 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
         <textarea placeholder="Ask Claude anything..." data-input></textarea>
         <div class="button-group">
           <button type="button" class="send" data-send>Send</button>
-          <button type="button" class="new-chat" data-new-chat>New Chat</button>
+          <button type="button" class="stop" data-stop style="display:none;background:#d32f2f;">Stop</button>
+          <button type="button" class="new-chat" data-new-chat>New</button>
+          <button type="button" class="copy" data-copy>Copy</button>
+          <button type="button" class="save" data-save>Save</button>
+          <button type="button" class="clear" data-clear>Clear</button>
         </div>
       </div>
       <div class="gm-assistant-status" data-status>Ready</div>
@@ -110,6 +187,10 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
     return html;
   }
 
+  _replaceHTML(result, content, options) {
+    content.replaceChildren(result);
+  }
+
   _onRender(context, options) {
     const html = this.element;
 
@@ -117,13 +198,19 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
     const messagesEl = html.querySelector('[data-messages]');
     const inputEl = html.querySelector('[data-input]');
     const sendBtn = html.querySelector('[data-send]');
+    const stopBtn = html.querySelector('[data-stop]');
     const newChatBtn = html.querySelector('[data-new-chat]');
+    const copyBtn = html.querySelector('[data-copy]');
+    const saveBtn = html.querySelector('[data-save]');
+    const clearBtn = html.querySelector('[data-clear]');
     const statusEl = html.querySelector('[data-status]');
 
     // Store refs
     this._messagesEl = messagesEl;
     this._inputEl = inputEl;
     this._statusEl = statusEl;
+    this._sendBtn = sendBtn;
+    this._stopBtn = stopBtn;
 
     // Render existing messages
     this._renderMessages();
@@ -131,6 +218,17 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
     // Send button
     sendBtn.addEventListener('click', () => this._sendMessage());
 
+    // Stop button
+    stopBtn.addEventListener('click', () => {
+      if (this._abortController) {
+        this._abortController.abort();
+        this._abortController = null;
+        this.isStreaming = false;
+        this._toggleButtons(false);
+        this._setStatus('Stopped', 'error');
+      }
+    });
+
     // Enter to send (Shift+Enter for newline)
     inputEl.addEventListener('keydown', (e) => {
       if (e.key === 'Enter' && !e.shiftKey) {
@@ -139,14 +237,35 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
       }
     });
 
-    // New chat button
+    // New chat button (resets session and aborts any running request)
     newChatBtn.addEventListener('click', () => {
+      if (this._abortController) {
+        this._abortController.abort();
+        this._abortController = null;
+      }
       this.messages = [];
       this.sessionId = null;
+      this.isStreaming = false;
       this._renderMessages();
       this._setStatus('New conversation started', 'connected');
     });
 
+    // Copy button - copy chat log to clipboard
+    copyBtn.addEventListener('click', () => {
+      const log = this.messages.map(msg => `[${msg.type}] ${msg.content}`).join('\n\n');
+      this._fallbackCopy(log);
+    });
+
+    // Save button - save chat to Foundry journal
+    saveBtn.addEventListener('click', () => this._saveToJournal());
+
+    // Clear button - clear display only (keeps session)
+    clearBtn.addEventListener('click', () => {
+      this.messages = [];
+      this._renderMessages();
+      this._setStatus('Chat cleared', 'connected');
+    });
+
     // Check bridge health
     this._checkBridgeHealth();
   }
@@ -171,12 +290,19 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
     }
   }
 
+  _toggleButtons(streaming) {
+    if (this._sendBtn) this._sendBtn.style.display = streaming ? 'none' : '';
+    if (this._stopBtn) this._stopBtn.style.display = streaming ? '' : 'none';
+  }
+
   _renderMessages() {
     if (!this._messagesEl) return;
 
     this._messagesEl.innerHTML = this.messages.map(msg => {
       const classes = ['gm-assistant-message', msg.type];
-      return `<div class="${classes.join(' ')}">${this._escapeHtml(msg.content)}</div>`;
+      // Render markdown for assistant messages, escape for user/system
+      const content = msg.type === 'assistant' ? this._renderMarkdown(msg.content) : this._escapeHtml(msg.content);
+      return `<div class="${classes.join(' ')}">${content}</div>`;
     }).join('');
 
     // Scroll to bottom
@@ -189,17 +315,139 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
     return div.innerHTML;
   }
 
+  _renderMarkdown(text) {
+    if (!text) return '';
+    // Render markdown while preserving existing HTML from Claude
+    return text
+      // Headers (only if not already HTML)
+      .replace(/^### (.+)$/gm, '<h4>$1</h4>')
+      .replace(/^## (.+)$/gm, '<h3>$1</h3>')
+      .replace(/^# (.+)$/gm, '<h2>$1</h2>')
+      // Bold and italic
+      .replace(/\*\*\*(.+?)\*\*\*/g, '<strong><em>$1</em></strong>')
+      .replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>')
+      .replace(/\*([^*]+?)\*/g, '<em>$1</em>')
+      // Code blocks (fenced)
+      .replace(/```(\w*)\n([\s\S]*?)```/g, '<pre><code>$2</code></pre>')
+      // Inline code (but not if already in HTML tags)
+      .replace(/`([^`]+)`/g, '<code>$1</code>')
+      // Blockquotes
+      .replace(/^> (.+)$/gm, '<blockquote>$1</blockquote>')
+      // Horizontal rules
+      .replace(/^---$/gm, '<hr>')
+      // Unordered lists
+      .replace(/^\* (.+)$/gm, '<li>$1</li>')
+      .replace(/^- (.+)$/gm, '<li>$1</li>')
+      // Wrap consecutive li elements in ul
+      .replace(/(<li>[\s\S]*?<\/li>)(\s*<li>)/g, '$1$2')
+      .replace(/(<li>[\s\S]*?<\/li>)(?!\s*<li>)/g, '<ul>$1</ul>')
+      // Double newlines to paragraphs, single to br
+      .replace(/\n\n/g, '</p><p>')
+      .replace(/\n/g, '<br>');
+  }
+
+  _fallbackCopy(text) {
+    const textarea = document.createElement('textarea');
+    textarea.value = text;
+    textarea.style.position = 'fixed';
+    textarea.style.opacity = '0';
+    document.body.appendChild(textarea);
+    textarea.select();
+    try {
+      document.execCommand('copy');
+      this._setStatus('Copied to clipboard', 'connected');
+    } catch (err) {
+      this._setStatus('Copy failed - select manually', 'error');
+      console.log('Chat log:\n', text);
+    }
+    document.body.removeChild(textarea);
+  }
+
+  async _saveToJournal() {
+    if (this.messages.length === 0) {
+      this._setStatus('No messages to save', 'error');
+      return;
+    }
+
+    this._setStatus('Saving to journal...', '');
+
+    try {
+      // Find or create the GM Assistant Logs folder
+      let folder = game.folders.find(f => f.name === 'GM Assistant Logs' && f.type === 'JournalEntry');
+      if (!folder) {
+        folder = await Folder.create({
+          name: 'GM Assistant Logs',
+          type: 'JournalEntry',
+          color: '#667eea'
+        });
+      }
+
+      // Generate timestamp for title
+      const now = new Date();
+      const timestamp = now.toLocaleString('en-US', {
+        month: 'short',
+        day: 'numeric',
+        hour: '2-digit',
+        minute: '2-digit',
+        hour12: false
+      });
+
+      // Build HTML content from messages
+      let htmlContent = '<div class="gm-assistant-log">';
+      for (const msg of this.messages) {
+        const label = msg.type.charAt(0).toUpperCase() + msg.type.slice(1);
+        const cssClass = msg.type;
+
+        // For assistant messages, content may already have HTML from markdown rendering
+        const content = msg.type === 'assistant' ? this._renderMarkdown(msg.content) : this._escapeHtml(msg.content);
+
+        htmlContent += `<div class="log-message ${cssClass}">`;
+        htmlContent += `<strong>[${label}]</strong><br>`;
+        htmlContent += content;
+        htmlContent += '</div><hr>';
+      }
+      htmlContent += '</div>';
+
+      // Create journal entry
+      const journal = await JournalEntry.create({
+        name: `GM Assistant - ${timestamp}`,
+        folder: folder.id,
+        ownership: { default: 0 } // GM only
+      });
+
+      // Add content page
+      await journal.createEmbeddedDocuments('JournalEntryPage', [{
+        name: 'Chat Log',
+        type: 'text',
+        text: { content: htmlContent }
+      }]);
+
+      this._setStatus(`Saved to "${journal.name}"`, 'connected');
+      ui.notifications.info(`Chat saved to journal: ${journal.name}`);
+
+    } catch (err) {
+      console.error('GM Assistant save error:', err);
+      this._setStatus('Save failed - see console', 'error');
+      ui.notifications.error('Failed to save chat log');
+    }
+  }
+
   _addMessage(type, content) {
     this.messages.push({ type, content });
     this._renderMessages();
   }
 
   _updateLastAssistantMessage(content) {
-    const last = this.messages[this.messages.length - 1];
-    if (last && last.type === 'assistant') {
-      last.content = content;
-      this._renderMessages();
+    // Find the last assistant message (may not be the very last message if tools were used)
+    for (let i = this.messages.length - 1; i >= 0; i--) {
+      if (this.messages[i].type === 'assistant') {
+        this.messages[i].content = content;
+        this._renderMessages();
+        return;
+      }
     }
+    // No assistant message found, add one
+    this._addMessage('assistant', content);
   }
 
   async _sendMessage() {
@@ -216,6 +464,10 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
     this.isStreaming = true;
     this.currentResponse = '';
     this._setStatus('Thinking...', '');
+    this._toggleButtons(true);
+
+    // Create abort controller for this request
+    this._abortController = new AbortController();
 
     try {
       const response = await fetch(`${this.bridgeUrl}/api/chat`, {
@@ -224,7 +476,8 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
         body: JSON.stringify({
           message: message,
           sessionId: this.sessionId
-        })
+        }),
+        signal: this._abortController.signal
       });
 
       if (!response.ok) {
@@ -262,9 +515,8 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
                 break;
 
               case 'tool':
-                this._addMessage('tool', `Using: ${data.name}`);
-                // Re-add assistant placeholder after tool message
-                this._addMessage('assistant', this.currentResponse);
+                // Show tool use in status line instead of cluttering chat
+                this._setStatus(`Using: ${data.name}`, 'working');
                 break;
 
               case 'done':
@@ -283,11 +535,17 @@ class GMAssistantApp extends foundry.applications.api.ApplicationV2 {
       }
 
     } catch (e) {
-      console.error('GM Assistant error:', e);
-      this._addMessage('system', `Error: ${e.message}`);
-      this._setStatus('Error', 'error');
+      if (e.name === 'AbortError') {
+        this._addMessage('system', 'Request cancelled');
+      } else {
+        console.error('GM Assistant error:', e);
+        this._addMessage('system', `Error: ${e.message}`);
+        this._setStatus('Error', 'error');
+      }
     } finally {
       this.isStreaming = false;
+      this._abortController = null;
+      this._toggleButtons(false);
       this._setStatus('Ready', 'connected');
     }
   }
diff --git a/styles/gm-assistant.css b/styles/gm-assistant.css
index 3e694d5..a981f2a 100644
--- a/styles/gm-assistant.css
+++ b/styles/gm-assistant.css
@@ -44,6 +44,72 @@
 .gm-assistant-message.assistant {
   background: var(--color-bg-btn);
   margin-right: auto;
+  max-width: 100%;
+}
+
+/* Markdown styles for assistant messages */
+.gm-assistant-message.assistant h2 {
+  font-size: 1.2em;
+  margin: 0.5em 0 0.3em;
+  border-bottom: 1px solid var(--color-border-light);
+}
+
+.gm-assistant-message.assistant h3 {
+  font-size: 1.1em;
+  margin: 0.5em 0 0.3em;
+}
+
+.gm-assistant-message.assistant h4 {
+  font-size: 1em;
+  margin: 0.4em 0 0.2em;
+}
+
+.gm-assistant-message.assistant strong {
+  color: var(--color-text-light-highlight);
+}
+
+.gm-assistant-message.assistant code {
+  background: rgba(0, 0, 0, 0.2);
+  padding: 1px 4px;
+  border-radius: 3px;
+  font-family: monospace;
+  font-size: 0.9em;
+}
+
+.gm-assistant-message.assistant pre {
+  background: rgba(0, 0, 0, 0.2);
+  padding: 8px;
+  border-radius: 4px;
+  overflow-x: auto;
+  margin: 0.5em 0;
+}
+
+.gm-assistant-message.assistant pre code {
+  background: none;
+  padding: 0;
+}
+
+.gm-assistant-message.assistant blockquote {
+  border-left: 3px solid var(--color-warm-1);
+  margin: 0.5em 0;
+  padding-left: 10px;
+  font-style: italic;
+  color: var(--color-text-light-secondary);
+}
+
+.gm-assistant-message.assistant ul {
+  margin: 0.3em 0;
+  padding-left: 1.5em;
+}
+
+.gm-assistant-message.assistant li {
+  margin: 0.2em 0;
+}
+
+.gm-assistant-message.assistant hr {
+  border: none;
+  border-top: 1px solid var(--color-border-light);
+  margin: 0.5em 0;
 }
 
 .gm-assistant-message.system {
@@ -98,6 +164,10 @@
   font-size: 0.85em;
 }
 
+.gm-assistant-input-area button.save {
+  background: var(--color-cool-3);
+}
+
 /* Status bar */
 .gm-assistant-status {
   padding: 5px 10px;
@@ -115,6 +185,11 @@
   color: #f44336;
 }
 
+.gm-assistant-status.working {
+  color: #64b5f6;
+  font-style: italic;
+}
+
 /* Typing indicator */
 .gm-assistant-typing {
   display: flex;