feat(chat): add conversation pinning and renaming

Users can now pin favorite conversations (shown at top with section header)
and rename them with inline editing. Adds is_pinned, pinned_at, custom_name
columns to ai_chat_conversations table.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

blueprints/chat/routes.py

@@ -279,14 +279,20 @@ def chat_list_conversations():
     try:
         conversations = db.query(AIChatConversation).filter_by(
             user_id=current_user.id
-        ).order_by(AIChatConversation.updated_at.desc()).limit(50).all()
+        ).order_by(
+            AIChatConversation.is_pinned.desc().nullslast(),
+            AIChatConversation.updated_at.desc()
+        ).limit(50).all()
 
         return jsonify({
             'success': True,
             'conversations': [
                 {
                     'id': c.id,
-                    'title': c.title,
+                    'title': c.custom_name or c.title,
+                    'original_title': c.title,
+                    'custom_name': c.custom_name,
+                    'is_pinned': c.is_pinned or False,
                     'created_at': c.started_at.isoformat() if c.started_at else None,
                     'updated_at': c.updated_at.isoformat() if c.updated_at else None,
                     'message_count': len(c.messages) if c.messages else 0
@@ -301,6 +307,70 @@ def chat_list_conversations():
         db.close()
 
 
+@bp.route('/api/chat/<int:conversation_id>/rename', methods=['PATCH'])
+@login_required
+@member_required
+def chat_rename_conversation(conversation_id):
+    """Rename a conversation"""
+    db = SessionLocal()
+    try:
+        conversation = db.query(AIChatConversation).filter_by(
+            id=conversation_id,
+            user_id=current_user.id
+        ).first()
+
+        if not conversation:
+            return jsonify({'success': False, 'error': 'Conversation not found'}), 404
+
+        data = request.get_json()
+        name = data.get('name', '').strip()
+
+        if not name:
+            return jsonify({'success': False, 'error': 'Nazwa nie może być pusta'}), 400
+
+        if len(name) > 255:
+            name = name[:255]
+
+        conversation.custom_name = name
+        db.commit()
+
+        return jsonify({'success': True, 'name': name})
+    except Exception as e:
+        logger.error(f"Error renaming conversation: {e}")
+        db.rollback()
+        return jsonify({'success': False, 'error': str(e)}), 500
+    finally:
+        db.close()
+
+
+@bp.route('/api/chat/<int:conversation_id>/pin', methods=['PATCH'])
+@login_required
+@member_required
+def chat_pin_conversation(conversation_id):
+    """Pin or unpin a conversation"""
+    db = SessionLocal()
+    try:
+        conversation = db.query(AIChatConversation).filter_by(
+            id=conversation_id,
+            user_id=current_user.id
+        ).first()
+
+        if not conversation:
+            return jsonify({'success': False, 'error': 'Conversation not found'}), 404
+
+        conversation.is_pinned = not conversation.is_pinned
+        conversation.pinned_at = datetime.now() if conversation.is_pinned else None
+        db.commit()
+
+        return jsonify({'success': True, 'is_pinned': conversation.is_pinned})
+    except Exception as e:
+        logger.error(f"Error pinning conversation: {e}")
+        db.rollback()
+        return jsonify({'success': False, 'error': str(e)}), 500
+    finally:
+        db.close()
+
+
 @bp.route('/api/chat/<int:conversation_id>/delete', methods=['DELETE'])
 @login_required
 @member_required

database.py

@@ -1518,6 +1518,11 @@ class AIChatConversation(Base):
     message_count = Column(Integer, default=0)
     model_name = Column(String(100))
 
+    # Pin & custom name
+    is_pinned = Column(Boolean, default=False)
+    pinned_at = Column(DateTime)
+    custom_name = Column(String(255))
+
     # Relationships
     user = relationship('User', back_populates='conversations')
     messages = relationship('AIChatMessage', back_populates='conversation', cascade='all, delete-orphan', order_by='AIChatMessage.created_at')

database/migrations/084_chat_pin_rename.sql

@@ -0,0 +1,12 @@
+-- Migration 084: Add pinning and custom naming to chat conversations
+-- Date: 2026-03-16
+
+ALTER TABLE ai_chat_conversations ADD COLUMN IF NOT EXISTS is_pinned BOOLEAN DEFAULT FALSE;
+ALTER TABLE ai_chat_conversations ADD COLUMN IF NOT EXISTS pinned_at TIMESTAMP;
+ALTER TABLE ai_chat_conversations ADD COLUMN IF NOT EXISTS custom_name VARCHAR(255);
+
+-- Index for efficient pinned conversations query
+CREATE INDEX IF NOT EXISTS idx_chat_conversations_pinned ON ai_chat_conversations(user_id, is_pinned, updated_at DESC);
+
+-- Grants
+GRANT ALL ON TABLE ai_chat_conversations TO nordabiz_app;

templates/chat.html

@@ -145,8 +145,19 @@
         text-overflow: ellipsis;
     }
 
-    .conversation-delete {
+    .conversation-actions {
+        display: flex;
+        gap: 2px;
         opacity: 0;
+        flex-shrink: 0;
+        transition: var(--transition);
+    }
+
+    .conversation-item:hover .conversation-actions {
+        opacity: 1;
+    }
+
+    .conversation-action-btn {
         background: none;
         border: none;
         color: #9ca3af;
@@ -154,15 +165,77 @@
         padding: 4px;
         border-radius: var(--radius-sm);
         transition: var(--transition);
+        display: flex;
+        align-items: center;
     }
 
-    .conversation-item:hover .conversation-delete {
+    .conversation-action-btn:hover {
+        color: #6b7280;
+        background: rgba(0, 0, 0, 0.05);
+    }
+
+    .conversation-action-btn.pin-btn:hover {
+        color: #f59e0b;
+        background: rgba(245, 158, 11, 0.1);
+    }
+
+    .conversation-action-btn.delete-btn:hover {
+        color: #ef4444;
+        background: rgba(239, 68, 68, 0.1);
+    }
+
+    .conversation-pin-icon {
+        color: #f59e0b;
+        flex-shrink: 0;
+        width: 12px;
+        height: 12px;
+        margin-right: 2px;
+    }
+
+    .conversations-section-title {
+        font-size: 11px;
+        font-weight: 600;
+        color: #9ca3af;
+        text-transform: uppercase;
+        letter-spacing: 0.5px;
+        padding: var(--spacing-sm) var(--spacing-md) 4px;
+    }
+
+    /* Rename inline input */
+    .conversation-rename-input {
+        flex: 1;
+        font-size: var(--font-size-sm);
+        border: 1px solid #d1d5db;
+        border-radius: var(--radius-sm);
+        padding: 2px 6px;
+        outline: none;
+        background: white;
+        min-width: 0;
+    }
+
+    .conversation-rename-input:focus {
+        border-color: var(--primary);
+        box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
+    }
+
+    /* Keep actions visible for pinned items */
+    .conversation-item.pinned .conversation-actions .pin-btn {
+        opacity: 1;
+        color: #f59e0b;
+    }
+
+    .conversation-item.pinned .conversation-actions {
         opacity: 1;
     }
 
-    .conversation-delete:hover {
-        color: #ef4444;
-        background: rgba(239, 68, 68, 0.1);
+    .conversation-item.pinned .conversation-actions .delete-btn,
+    .conversation-item.pinned .conversation-actions .rename-btn {
+        opacity: 0;
+    }
+
+    .conversation-item.pinned:hover .conversation-actions .delete-btn,
+    .conversation-item.pinned:hover .conversation-actions .rename-btn {
+        opacity: 1;
     }
 
     .sidebar-empty {
@@ -1735,22 +1808,145 @@ function renderConversationsList() {
         return;
     }
 
-    list.innerHTML = conversations.map(conv => `
-        <div class="conversation-item ${conv.id === currentConversationId ? 'active' : ''}"
+    const pinned = conversations.filter(c => c.is_pinned);
+    const unpinned = conversations.filter(c => !c.is_pinned);
+
+    let html = '';
+
+    if (pinned.length > 0) {
+        html += '<div class="conversations-section-title">Przypięte</div>';
+        html += pinned.map(conv => renderConversationItem(conv, true)).join('');
+    }
+
+    if (pinned.length > 0 && unpinned.length > 0) {
+        html += '<div class="conversations-section-title">Historia</div>';
+    }
+
+    html += unpinned.map(conv => renderConversationItem(conv, false)).join('');
+
+    list.innerHTML = html;
+}
+
+function renderConversationItem(conv, isPinned) {
+    return `
+        <div class="conversation-item ${conv.id === currentConversationId ? 'active' : ''} ${isPinned ? 'pinned' : ''}"
              onclick="loadConversation(${conv.id})"
              data-id="${conv.id}">
-            <svg fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                      d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z"/>
-            </svg>
+            ${isPinned ? '<svg class="conversation-pin-icon" fill="currentColor" viewBox="0 0 20 20"><path d="M5 5a2 2 0 012-2h6a2 2 0 012 2v2a2 2 0 01-2 2H7a2 2 0 01-2-2V5zm7 8a1 1 0 00-1 1v3a1 1 0 002 0v-3a1 1 0 00-1-1zm-3 0a1 1 0 00-1 1v3a1 1 0 002 0v-3a1 1 0 00-1-1z"/><path d="M4 9h12v2H4z"/></svg>' : '<svg fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z"/></svg>'}
             <span class="conversation-title">${escapeHtml(conv.title)}</span>
-            <button class="conversation-delete" onclick="event.stopPropagation(); deleteConversation(${conv.id})" title="Usuń">
+            <div class="conversation-actions">
+                <button class="conversation-action-btn pin-btn" onclick="event.stopPropagation(); togglePin(${conv.id})" title="${isPinned ? 'Odepnij' : 'Przypnij'}">
+                    <svg fill="${isPinned ? 'currentColor' : 'none'}" stroke="currentColor" viewBox="0 0 24 24" width="14" height="14">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 5a2 2 0 012-2h10a2 2 0 012 2v3a2 2 0 01-1 1.73V15l-2 2v4l-2-2H10l-2 2v-4l-2-2V9.73A2 2 0 015 8V5z"/>
+                    </svg>
+                </button>
+                <button class="conversation-action-btn rename-btn" onclick="event.stopPropagation(); startRename(${conv.id})" title="Zmień nazwę">
+                    <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" width="14" height="14">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z"/>
+                    </svg>
+                </button>
+                <button class="conversation-action-btn delete-btn" onclick="event.stopPropagation(); deleteConversation(${conv.id})" title="Usuń">
                     <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" width="14" height="14">
                         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
                     </svg>
                 </button>
             </div>
-    `).join('');
+        </div>
+    `;
+}
+
+// Toggle pin/unpin conversation
+async function togglePin(conversationId) {
+    try {
+        const response = await fetch(`/api/chat/${conversationId}/pin`, {
+            method: 'PATCH',
+            headers: { 'Content-Type': 'application/json', 'X-CSRFToken': csrfToken }
+        });
+        const data = await response.json();
+
+        if (data.success) {
+            // Update local state
+            const conv = conversations.find(c => c.id === conversationId);
+            if (conv) conv.is_pinned = data.is_pinned;
+            // Re-sort: pinned first, then by updated_at
+            conversations.sort((a, b) => {
+                if (a.is_pinned !== b.is_pinned) return b.is_pinned ? 1 : -1;
+                return new Date(b.updated_at) - new Date(a.updated_at);
+            });
+            renderConversationsList();
+        }
+    } catch (error) {
+        console.error('Error toggling pin:', error);
+    }
+}
+
+// Start inline rename
+function startRename(conversationId) {
+    const item = document.querySelector(`.conversation-item[data-id="${conversationId}"]`);
+    if (!item) return;
+
+    const titleSpan = item.querySelector('.conversation-title');
+    const currentTitle = titleSpan.textContent;
+
+    // Replace title with input
+    const input = document.createElement('input');
+    input.type = 'text';
+    input.className = 'conversation-rename-input';
+    input.value = currentTitle;
+    input.maxLength = 255;
+
+    titleSpan.replaceWith(input);
+    input.focus();
+    input.select();
+
+    // Prevent click from loading conversation
+    const originalOnclick = item.onclick;
+    item.onclick = null;
+
+    function finishRename(save) {
+        const newName = input.value.trim();
+
+        if (save && newName && newName !== currentTitle) {
+            saveRename(conversationId, newName);
+        }
+
+        // Restore title span
+        const span = document.createElement('span');
+        span.className = 'conversation-title';
+        span.textContent = save && newName ? newName : currentTitle;
+        input.replaceWith(span);
+        item.onclick = originalOnclick;
+    }
+
+    input.addEventListener('keydown', (e) => {
+        if (e.key === 'Enter') { e.preventDefault(); finishRename(true); }
+        if (e.key === 'Escape') { finishRename(false); }
+    });
+
+    input.addEventListener('blur', () => finishRename(true));
+}
+
+// Save renamed conversation
+async function saveRename(conversationId, name) {
+    try {
+        const response = await fetch(`/api/chat/${conversationId}/rename`, {
+            method: 'PATCH',
+            headers: { 'Content-Type': 'application/json', 'X-CSRFToken': csrfToken },
+            body: JSON.stringify({ name })
+        });
+        const data = await response.json();
+
+        if (data.success) {
+            // Update local state
+            const conv = conversations.find(c => c.id === conversationId);
+            if (conv) {
+                conv.custom_name = data.name;
+                conv.title = data.name;
+            }
+        }
+    } catch (error) {
+        console.error('Error renaming conversation:', error);
+    }
 }
 
 // Load a specific conversation