diff --git a/ui/suite/sources/index.html b/ui/suite/sources/index.html
index c67a3e7..8db8c74 100644
--- a/ui/suite/sources/index.html
+++ b/ui/suite/sources/index.html
@@ -8,7 +8,7 @@
     <header class="sources-header">
         <div class="header-left">
             <h1>Sources</h1>
-            <p class="header-subtitle">Prompts, Templates, MCP Servers & AI Models</p>
+            <p class="header-subtitle">Repositories, Apps, Prompts, Templates & MCP Servers</p>
         </div>
         <div class="header-right">
             <div class="search-box">
@@ -32,6 +32,33 @@
         <button class="tab-btn active"
                 role="tab"
                 aria-selected="true"
+                hx-get="/api/sources/repositories"
+                hx-target="#content-area"
+                hx-swap="innerHTML"
+                onclick="setActiveTab(this)">
+            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                <path d="M9 19c-5 1.5-5-2.5-7-3m14 6v-3.87a3.37 3.37 0 0 0-.94-2.61c3.14-.35 6.44-1.54 6.44-7A5.44 5.44 0 0 0 20 4.77 5.07 5.07 0 0 0 19.91 1S18.73.65 16 2.48a13.38 13.38 0 0 0-7 0C6.27.65 5.09 1 5.09 1A5.07 5.07 0 0 0 5 4.77a5.44 5.44 0 0 0-1.5 3.78c0 5.42 3.3 6.61 6.44 7A3.37 3.37 0 0 0 9 18.13V22"></path>
+            </svg>
+            Repositories
+        </button>
+        <button class="tab-btn"
+                role="tab"
+                aria-selected="false"
+                hx-get="/api/sources/apps"
+                hx-target="#content-area"
+                hx-swap="innerHTML"
+                onclick="setActiveTab(this)">
+            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                <rect x="3" y="3" width="7" height="7"></rect>
+                <rect x="14" y="3" width="7" height="7"></rect>
+                <rect x="14" y="14" width="7" height="7"></rect>
+                <rect x="3" y="14" width="7" height="7"></rect>
+            </svg>
+            Apps
+        </button>
+        <button class="tab-btn"
+                role="tab"
+                aria-selected="false"
                 hx-get="/api/sources/prompts"
                 hx-target="#content-area"
                 hx-swap="innerHTML"
@@ -120,7 +147,7 @@
     </nav>
 
     <!-- Main Content Area -->
-    <main class="content-area" id="content-area" hx-get="/api/sources/prompts" hx-trigger="load" hx-swap="innerHTML">
+    <main class="content-area" id="content-area" hx-get="/api/sources/repositories" hx-trigger="load" hx-swap="innerHTML">
         <!-- Content loaded via HTMX -->
         <div class="loading-spinner">
             <div class="spinner"></div>
diff --git a/ui/suite/sources/sources.css b/ui/suite/sources/sources.css
index 5760d7a..71f20ae 100644
--- a/ui/suite/sources/sources.css
+++ b/ui/suite/sources/sources.css
@@ -525,7 +525,9 @@
 }
 
 @keyframes spin {
-    to { transform: rotate(360deg); }
+    to {
+        transform: rotate(360deg);
+    }
 }
 
 /* Empty State */
@@ -651,7 +653,402 @@
     color: var(--text-secondary);
 }
 
+/* Repository Card */
+.repo-card {
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    padding: 20px;
+    transition: all 0.2s;
+    cursor: pointer;
+}
+
+.repo-card:hover {
+    border-color: var(--primary);
+    transform: translateY(-2px);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.repo-card.connected {
+    border-color: var(--success);
+}
+
+.repo-header {
+    display: flex;
+    align-items: flex-start;
+    gap: 12px;
+    margin-bottom: 12px;
+}
+
+.repo-icon {
+    width: 40px;
+    height: 40px;
+    border-radius: 10px;
+    background: linear-gradient(135deg, #6366f1, #8b5cf6);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+}
+
+.repo-icon svg {
+    width: 20px;
+    height: 20px;
+    color: white;
+}
+
+.repo-icon.github {
+    background: linear-gradient(135deg, #24292e, #40464e);
+}
+
+.repo-icon.gitlab {
+    background: linear-gradient(135deg, #fc6d26, #e24329);
+}
+
+.repo-icon.bitbucket {
+    background: linear-gradient(135deg, #0052cc, #2684ff);
+}
+
+.repo-info {
+    flex: 1;
+    min-width: 0;
+}
+
+.repo-name {
+    font-size: 15px;
+    font-weight: 600;
+    margin: 0 0 4px 0;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+.repo-name .mention-tag {
+    font-size: 12px;
+    color: var(--primary);
+    background: var(--primary-bg);
+    padding: 2px 8px;
+    border-radius: 4px;
+    font-weight: 500;
+}
+
+.repo-owner {
+    font-size: 13px;
+    color: var(--text-secondary);
+}
+
+.repo-description {
+    font-size: 13px;
+    color: var(--text-secondary);
+    line-height: 1.5;
+    margin-bottom: 12px;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+}
+
+.repo-meta {
+    display: flex;
+    align-items: center;
+    gap: 16px;
+    flex-wrap: wrap;
+}
+
+.repo-meta-item {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    font-size: 12px;
+    color: var(--text-secondary);
+}
+
+.repo-meta-item svg {
+    width: 14px;
+    height: 14px;
+}
+
+.repo-language {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+}
+
+.repo-language-dot {
+    width: 10px;
+    height: 10px;
+    border-radius: 50%;
+}
+
+.repo-language-dot.rust {
+    background: #dea584;
+}
+.repo-language-dot.typescript {
+    background: #3178c6;
+}
+.repo-language-dot.javascript {
+    background: #f7df1e;
+}
+.repo-language-dot.python {
+    background: #3776ab;
+}
+.repo-language-dot.html {
+    background: #e34f26;
+}
+.repo-language-dot.css {
+    background: #1572b6;
+}
+
+.repo-status {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    font-size: 11px;
+    padding: 4px 10px;
+    border-radius: 12px;
+    font-weight: 500;
+}
+
+.repo-status.connected {
+    background: var(--success-bg);
+    color: var(--success);
+}
+
+.repo-status.disconnected {
+    background: var(--surface-hover);
+    color: var(--text-secondary);
+}
+
+.repo-actions {
+    display: flex;
+    gap: 8px;
+    margin-top: 12px;
+    padding-top: 12px;
+    border-top: 1px solid var(--border);
+}
+
+.repo-action-btn {
+    flex: 1;
+    padding: 8px 12px;
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    background: transparent;
+    color: var(--text);
+    font-size: 12px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.2s;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+}
+
+.repo-action-btn:hover {
+    background: var(--surface-hover);
+    border-color: var(--primary);
+}
+
+.repo-action-btn.primary {
+    background: var(--primary);
+    border-color: var(--primary);
+    color: white;
+}
+
+.repo-action-btn.primary:hover {
+    background: var(--primary-hover);
+}
+
+/* App Card */
+.app-card {
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    overflow: hidden;
+    transition: all 0.2s;
+    cursor: pointer;
+}
+
+.app-card:hover {
+    border-color: var(--primary);
+    transform: translateY(-2px);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.app-preview {
+    height: 140px;
+    background: linear-gradient(135deg, var(--surface-hover), var(--surface));
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    position: relative;
+    overflow: hidden;
+}
+
+.app-preview-placeholder {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 8px;
+    color: var(--text-secondary);
+    opacity: 0.5;
+}
+
+.app-preview-placeholder svg {
+    width: 40px;
+    height: 40px;
+}
+
+.app-preview img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.app-content {
+    padding: 16px;
+}
+
+.app-header {
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    margin-bottom: 8px;
+}
+
+.app-name {
+    font-size: 15px;
+    font-weight: 600;
+    margin: 0;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+.app-name .mention-tag {
+    font-size: 11px;
+    color: var(--primary);
+    background: var(--primary-bg);
+    padding: 2px 6px;
+    border-radius: 4px;
+    font-weight: 500;
+}
+
+.app-type {
+    font-size: 11px;
+    padding: 4px 8px;
+    border-radius: 4px;
+    font-weight: 500;
+    background: var(--surface-hover);
+    color: var(--text-secondary);
+}
+
+.app-type.htmx {
+    background: #e8f4fd;
+    color: #0284c7;
+}
+.app-type.site {
+    background: #fef3c7;
+    color: #d97706;
+}
+.app-type.dashboard {
+    background: #dcfce7;
+    color: #16a34a;
+}
+
+.app-description {
+    font-size: 13px;
+    color: var(--text-secondary);
+    line-height: 1.5;
+    margin-bottom: 12px;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+}
+
+.app-meta {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    font-size: 12px;
+    color: var(--text-secondary);
+}
+
+.app-created {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.app-url {
+    color: var(--primary);
+    font-family: var(--font-mono);
+    font-size: 11px;
+}
+
+.app-actions {
+    display: flex;
+    gap: 8px;
+    margin-top: 12px;
+    padding-top: 12px;
+    border-top: 1px solid var(--border);
+}
+
+.app-action-btn {
+    flex: 1;
+    padding: 8px 12px;
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    background: transparent;
+    color: var(--text);
+    font-size: 12px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.2s;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+}
+
+.app-action-btn:hover {
+    background: var(--surface-hover);
+    border-color: var(--primary);
+}
+
+.app-action-btn.primary {
+    background: var(--primary);
+    border-color: var(--primary);
+    color: white;
+}
+
+/* Add Repository Modal */
+.add-repo-form {
+    display: flex;
+    flex-direction: column;
+    gap: 16px;
+}
+
+.repo-url-input {
+    width: 100%;
+    padding: 12px 16px;
+    border: 1px solid var(--border);
+    border-radius: 8px;
+    font-size: 14px;
+    background: var(--surface);
+    color: var(--text);
+}
+
+.repo-url-input:focus {
+    outline: none;
+    border-color: var(--primary);
+    box-shadow: 0 0 0 3px var(--primary-bg);
+}
+
 /* Grids for different content types */
+.repos-grid,
+.apps-grid,
 .templates-grid,
 .servers-grid,
 .models-grid,
@@ -661,6 +1058,8 @@
     gap: 16px;
 }
 
+.repos-grid.list-view,
+.apps-grid.list-view,
 .templates-grid.list-view,
 .servers-grid.list-view,
 .models-grid.list-view,
@@ -703,6 +1102,8 @@
     }
 
     .prompts-grid,
+    .repos-grid,
+    .apps-grid,
     .templates-grid,
     .servers-grid,
     .models-grid,
@@ -710,3 +1111,79 @@
         grid-template-columns: 1fr;
     }
 }
+
+/* Mention autocomplete in chat */
+.mention-suggestion {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    padding: 10px 14px;
+    cursor: pointer;
+    transition: background 0.15s;
+}
+
+.mention-suggestion:hover,
+.mention-suggestion.active {
+    background: var(--surface-hover);
+}
+
+.mention-suggestion-icon {
+    width: 28px;
+    height: 28px;
+    border-radius: 6px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+}
+
+.mention-suggestion-icon.repo {
+    background: linear-gradient(135deg, #24292e, #40464e);
+    color: white;
+}
+
+.mention-suggestion-icon.app {
+    background: linear-gradient(135deg, #06b6d4, #0ea5e9);
+    color: white;
+}
+
+.mention-suggestion-info {
+    flex: 1;
+    min-width: 0;
+}
+
+.mention-suggestion-name {
+    font-size: 14px;
+    font-weight: 500;
+    margin: 0;
+}
+
+.mention-suggestion-type {
+    font-size: 12px;
+    color: var(--text-secondary);
+}
+
+/* Inline mention tag in chat */
+.chat-mention {
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+    padding: 2px 8px;
+    background: var(--primary-bg);
+    color: var(--primary);
+    border-radius: 4px;
+    font-size: 13px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.15s;
+}
+
+.chat-mention:hover {
+    background: var(--primary);
+    color: white;
+}
+
+.chat-mention svg {
+    width: 14px;
+    height: 14px;
+}
diff --git a/ui/suite/sources/sources.js b/ui/suite/sources/sources.js
index e720611..6ffc240 100644
--- a/ui/suite/sources/sources.js
+++ b/ui/suite/sources/sources.js
@@ -1,333 +1,829 @@
 /**
  * Sources Module JavaScript
- * Prompts, Templates, MCP Servers & AI Models
+ * Repositories, Apps, Prompts, Templates, MCP Servers & AI Models
+ * Provides @mention support for chat context
  */
-(function() {
-    'use strict';
+(function () {
+  "use strict";
 
-    /**
-     * Initialize the Sources module
-     */
-    function init() {
-        setupTabNavigation();
-        setupCategoryNavigation();
-        setupViewToggle();
-        setupKeyboardShortcuts();
-        setupHTMXEvents();
-    }
+  /**
+   * Initialize the Sources module
+   */
+  function init() {
+    setupTabNavigation();
+    setupCategoryNavigation();
+    setupViewToggle();
+    setupKeyboardShortcuts();
+    setupHTMXEvents();
+    setupRepoCards();
+    setupAppCards();
+    setupMentionAutocomplete();
+  }
 
-    /**
-     * Set active tab
-     */
-    window.setActiveTab = function(btn) {
-        document.querySelectorAll('.tab-btn').forEach(t => {
-            t.classList.remove('active');
-            t.setAttribute('aria-selected', 'false');
-        });
-        btn.classList.add('active');
-        btn.setAttribute('aria-selected', 'true');
-    };
+  /**
+   * Set active tab
+   */
+  window.setActiveTab = function (btn) {
+    document.querySelectorAll(".tab-btn").forEach((t) => {
+      t.classList.remove("active");
+      t.setAttribute("aria-selected", "false");
+    });
+    btn.classList.add("active");
+    btn.setAttribute("aria-selected", "true");
+  };
 
-    /**
-     * Setup tab navigation
-     */
-    function setupTabNavigation() {
-        document.querySelectorAll('.tab-btn').forEach(btn => {
-            btn.addEventListener('click', function() {
-                setActiveTab(this);
-            });
-        });
-    }
+  /**
+   * Setup tab navigation
+   */
+  function setupTabNavigation() {
+    document.querySelectorAll(".tab-btn").forEach((btn) => {
+      btn.addEventListener("click", function () {
+        setActiveTab(this);
+      });
+    });
+  }
 
-    /**
-     * Setup category navigation
-     */
-    function setupCategoryNavigation() {
-        document.addEventListener('click', function(e) {
-            const categoryItem = e.target.closest('.category-item');
-            if (categoryItem) {
-                document.querySelectorAll('.category-item').forEach(c => c.classList.remove('active'));
-                categoryItem.classList.add('active');
+  /**
+   * Setup category navigation
+   */
+  function setupCategoryNavigation() {
+    document.addEventListener("click", function (e) {
+      const categoryItem = e.target.closest(".category-item");
+      if (categoryItem) {
+        document
+          .querySelectorAll(".category-item")
+          .forEach((c) => c.classList.remove("active"));
+        categoryItem.classList.add("active");
+      }
+    });
+  }
+
+  /**
+   * Setup view toggle (grid/list)
+   */
+  function setupViewToggle() {
+    document.addEventListener("click", function (e) {
+      const viewBtn = e.target.closest(".view-btn");
+      if (viewBtn) {
+        const controls = viewBtn.closest(".view-controls");
+        if (controls) {
+          controls
+            .querySelectorAll(".view-btn")
+            .forEach((b) => b.classList.remove("active"));
+          viewBtn.classList.add("active");
+
+          const grid = document.querySelector(
+            ".prompts-grid, .templates-grid, .servers-grid, .models-grid, .news-grid",
+          );
+          if (grid) {
+            if (viewBtn.title === "List view") {
+              grid.classList.add("list-view");
+            } else {
+              grid.classList.remove("list-view");
             }
-        });
-    }
+          }
+        }
+      }
+    });
+  }
 
-    /**
-     * Setup view toggle (grid/list)
-     */
-    function setupViewToggle() {
-        document.addEventListener('click', function(e) {
-            const viewBtn = e.target.closest('.view-btn');
-            if (viewBtn) {
-                const controls = viewBtn.closest('.view-controls');
-                if (controls) {
-                    controls.querySelectorAll('.view-btn').forEach(b => b.classList.remove('active'));
-                    viewBtn.classList.add('active');
+  /**
+   * Setup keyboard shortcuts
+   */
+  function setupKeyboardShortcuts() {
+    document.addEventListener("keydown", function (e) {
+      // Ctrl+K to focus search
+      if ((e.ctrlKey || e.metaKey) && e.key === "k") {
+        e.preventDefault();
+        const searchInput = document.querySelector(".search-box input");
+        if (searchInput) searchInput.focus();
+      }
 
-                    const grid = document.querySelector('.prompts-grid, .templates-grid, .servers-grid, .models-grid, .news-grid');
-                    if (grid) {
-                        if (viewBtn.title === 'List view') {
-                            grid.classList.add('list-view');
-                        } else {
-                            grid.classList.remove('list-view');
-                        }
-                    }
-                }
-            }
-        });
-    }
+      // Tab navigation with number keys
+      if (
+        !e.ctrlKey &&
+        !e.metaKey &&
+        !e.altKey &&
+        !e.target.matches("input, textarea")
+      ) {
+        const tabs = document.querySelectorAll(".tab-btn");
+        const num = parseInt(e.key);
+        if (num >= 1 && num <= tabs.length) {
+          tabs[num - 1].click();
+        }
+      }
 
-    /**
-     * Setup keyboard shortcuts
-     */
-    function setupKeyboardShortcuts() {
-        document.addEventListener('keydown', function(e) {
-            // Ctrl+K to focus search
-            if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
-                e.preventDefault();
-                const searchInput = document.querySelector('.search-box input');
-                if (searchInput) searchInput.focus();
-            }
+      // Escape to close modals
+      if (e.key === "Escape") {
+        closeModals();
+      }
+    });
+  }
 
-            // Tab navigation with number keys
-            if (!e.ctrlKey && !e.metaKey && !e.altKey && !e.target.matches('input, textarea')) {
-                const tabs = document.querySelectorAll('.tab-btn');
-                const num = parseInt(e.key);
-                if (num >= 1 && num <= tabs.length) {
-                    tabs[num - 1].click();
-                }
-            }
+  /**
+   * Setup HTMX events
+   */
+  function setupHTMXEvents() {
+    if (typeof htmx === "undefined") return;
 
-            // Escape to close modals
-            if (e.key === 'Escape') {
-                closeModals();
-            }
-        });
-    }
-
-    /**
-     * Setup HTMX events
-     */
-    function setupHTMXEvents() {
-        if (typeof htmx === 'undefined') return;
-
-        document.body.addEventListener('htmx:beforeRequest', function(e) {
-            if (e.detail.target && e.detail.target.id === 'content-area') {
-                e.detail.target.innerHTML = `
+    document.body.addEventListener("htmx:beforeRequest", function (e) {
+      if (e.detail.target && e.detail.target.id === "content-area") {
+        e.detail.target.innerHTML = `
                     <div class="loading-spinner">
                         <div class="spinner"></div>
                         <p>Loading...</p>
                     </div>
                 `;
-            }
-        });
+      }
+    });
 
-        document.body.addEventListener('htmx:afterSwap', function(e) {
-            // Re-initialize any dynamic content handlers after content swap
-            setupPromptCards();
-            setupServerCards();
-            setupModelCards();
-        });
-    }
+    document.body.addEventListener("htmx:afterSwap", function (e) {
+      // Re-initialize any dynamic content handlers after content swap
+      setupPromptCards();
+      setupServerCards();
+      setupModelCards();
+      setupRepoCards();
+      setupAppCards();
+    });
+  }
 
-    /**
-     * Setup prompt card interactions
-     */
-    function setupPromptCards() {
-        document.querySelectorAll('.prompt-card').forEach(card => {
-            card.addEventListener('click', function(e) {
-                // Don't trigger if clicking on action buttons
-                if (e.target.closest('.prompt-action-btn')) return;
-                
-                const promptId = this.dataset.id;
-                if (promptId) {
-                    showPromptDetail(promptId);
-                }
-            });
-        });
+  /**
+   * Setup prompt card interactions
+   */
+  function setupPromptCards() {
+    document.querySelectorAll(".prompt-card").forEach((card) => {
+      card.addEventListener("click", function (e) {
+        // Don't trigger if clicking on action buttons
+        if (e.target.closest(".prompt-action-btn")) return;
 
-        document.querySelectorAll('.prompt-action-btn').forEach(btn => {
-            btn.addEventListener('click', function(e) {
-                e.stopPropagation();
-                const action = this.title.toLowerCase();
-                const card = this.closest('.prompt-card');
-                const promptId = card?.dataset.id;
-
-                switch (action) {
-                    case 'use':
-                        usePrompt(promptId);
-                        break;
-                    case 'copy':
-                        copyPrompt(promptId);
-                        break;
-                    case 'save':
-                        savePrompt(promptId);
-                        break;
-                }
-            });
-        });
-    }
-
-    /**
-     * Setup server card interactions
-     */
-    function setupServerCards() {
-        document.querySelectorAll('.server-card').forEach(card => {
-            card.addEventListener('click', function() {
-                const serverId = this.dataset.id;
-                if (serverId) {
-                    showServerDetail(serverId);
-                }
-            });
-        });
-    }
-
-    /**
-     * Setup model card interactions
-     */
-    function setupModelCards() {
-        document.querySelectorAll('.model-card').forEach(card => {
-            card.addEventListener('click', function() {
-                const modelId = this.dataset.id;
-                if (modelId) {
-                    showModelDetail(modelId);
-                }
-            });
-        });
-    }
-
-    /**
-     * Show prompt detail modal/panel
-     */
-    function showPromptDetail(promptId) {
-        if (typeof htmx !== 'undefined') {
-            htmx.ajax('GET', `/api/sources/prompts/${promptId}`, {
-                target: '#prompt-detail-panel',
-                swap: 'innerHTML'
-            }).then(() => {
-                document.getElementById('prompt-detail-panel')?.classList.remove('hidden');
-            });
+        const promptId = this.dataset.id;
+        if (promptId) {
+          showPromptDetail(promptId);
         }
-    }
+      });
+    });
 
-    /**
-     * Use a prompt
-     */
-    function usePrompt(promptId) {
-        if (typeof htmx !== 'undefined') {
-            htmx.ajax('POST', `/api/sources/prompts/${promptId}/use`, {
-                swap: 'none'
-            }).then(() => {
-                // Navigate to the appropriate module
-                window.location.hash = '#research';
-            });
+    document.querySelectorAll(".prompt-action-btn").forEach((btn) => {
+      btn.addEventListener("click", function (e) {
+        e.stopPropagation();
+        const action = this.title.toLowerCase();
+        const card = this.closest(".prompt-card");
+        const promptId = card?.dataset.id;
+
+        switch (action) {
+          case "use":
+            usePrompt(promptId);
+            break;
+          case "copy":
+            copyPrompt(promptId);
+            break;
+          case "save":
+            savePrompt(promptId);
+            break;
         }
-    }
+      });
+    });
+  }
 
-    /**
-     * Copy prompt to clipboard
-     */
-    function copyPrompt(promptId) {
-        if (typeof htmx !== 'undefined') {
-            htmx.ajax('GET', `/api/sources/prompts/${promptId}/content`, {
-                swap: 'none'
-            }).then(response => {
-                // Parse response and copy to clipboard
-                navigator.clipboard.writeText(response || '');
-                showToast('Prompt copied to clipboard');
-            });
+  /**
+   * Setup server card interactions
+   */
+  function setupServerCards() {
+    document.querySelectorAll(".server-card").forEach((card) => {
+      card.addEventListener("click", function () {
+        const serverId = this.dataset.id;
+        if (serverId) {
+          showServerDetail(serverId);
         }
-    }
+      });
+    });
+  }
 
-    /**
-     * Save prompt to collection
-     */
-    function savePrompt(promptId) {
-        const collectionName = prompt('Enter collection name:');
-        if (collectionName && typeof htmx !== 'undefined') {
-            htmx.ajax('POST', '/api/sources/prompts/save', {
-                values: {
-                    promptId,
-                    collection: collectionName
-                }
-            }).then(() => {
-                showToast('Prompt saved to collection');
-            });
+  /**
+   * Setup model card interactions
+   */
+  function setupModelCards() {
+    document.querySelectorAll(".model-card").forEach((card) => {
+      card.addEventListener("click", function () {
+        const modelId = this.dataset.id;
+        if (modelId) {
+          showModelDetail(modelId);
         }
-    }
+      });
+    });
+  }
 
-    /**
-     * Show server detail
-     */
-    function showServerDetail(serverId) {
-        if (typeof htmx !== 'undefined') {
-            htmx.ajax('GET', `/api/sources/mcp-servers/${serverId}`, {
-                target: '#server-detail-panel',
-                swap: 'innerHTML'
-            }).then(() => {
-                document.getElementById('server-detail-panel')?.classList.remove('hidden');
-            });
-        }
-    }
-
-    /**
-     * Show model detail
-     */
-    function showModelDetail(modelId) {
-        if (typeof htmx !== 'undefined') {
-            htmx.ajax('GET', `/api/sources/models/${modelId}`, {
-                target: '#model-detail-panel',
-                swap: 'innerHTML'
-            }).then(() => {
-                document.getElementById('model-detail-panel')?.classList.remove('hidden');
-            });
-        }
-    }
-
-    /**
-     * Close all modals
-     */
-    function closeModals() {
-        document.querySelectorAll('.modal, .detail-panel').forEach(modal => {
-            modal.classList.add('hidden');
+  /**
+   * Show prompt detail modal/panel
+   */
+  function showPromptDetail(promptId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/prompts/${promptId}`, {
+          target: "#prompt-detail-panel",
+          swap: "innerHTML",
+        })
+        .then(() => {
+          document
+            .getElementById("prompt-detail-panel")
+            ?.classList.remove("hidden");
         });
     }
+  }
 
-    /**
-     * Show toast notification
-     */
-    function showToast(message, type = 'success') {
-        const toast = document.createElement('div');
-        toast.className = `toast toast-${type}`;
-        toast.textContent = message;
-        document.body.appendChild(toast);
-
-        // Trigger animation
-        requestAnimationFrame(() => {
-            toast.classList.add('show');
+  /**
+   * Use a prompt
+   */
+  function usePrompt(promptId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("POST", `/api/sources/prompts/${promptId}/use`, {
+          swap: "none",
+        })
+        .then(() => {
+          // Navigate to the appropriate module
+          window.location.hash = "#research";
         });
+    }
+  }
 
-        // Remove after delay
-        setTimeout(() => {
-            toast.classList.remove('show');
-            setTimeout(() => toast.remove(), 300);
-        }, 3000);
+  /**
+   * Copy prompt to clipboard
+   */
+  function copyPrompt(promptId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/prompts/${promptId}/content`, {
+          swap: "none",
+        })
+        .then((response) => {
+          // Parse response and copy to clipboard
+          navigator.clipboard.writeText(response || "");
+          showToast("Prompt copied to clipboard");
+        });
+    }
+  }
+
+  /**
+   * Save prompt to collection
+   */
+  function savePrompt(promptId) {
+    const collectionName = prompt("Enter collection name:");
+    if (collectionName && typeof htmx !== "undefined") {
+      htmx
+        .ajax("POST", "/api/sources/prompts/save", {
+          values: {
+            promptId,
+            collection: collectionName,
+          },
+        })
+        .then(() => {
+          showToast("Prompt saved to collection");
+        });
+    }
+  }
+
+  /**
+   * Setup repository card interactions
+   */
+  function setupRepoCards() {
+    document.querySelectorAll(".repo-card").forEach((card) => {
+      card.addEventListener("click", function (e) {
+        if (e.target.closest(".repo-action-btn")) return;
+
+        const repoId = this.dataset.id;
+        if (repoId) {
+          showRepoDetail(repoId);
+        }
+      });
+    });
+
+    document.querySelectorAll(".repo-action-btn").forEach((btn) => {
+      btn.addEventListener("click", function (e) {
+        e.stopPropagation();
+        const action = this.dataset.action;
+        const card = this.closest(".repo-card");
+        const repoId = card?.dataset.id;
+        const repoName = card?.dataset.name;
+
+        switch (action) {
+          case "connect":
+            connectRepo(repoId);
+            break;
+          case "disconnect":
+            disconnectRepo(repoId);
+            break;
+          case "mention":
+            insertMention("repo", repoName);
+            break;
+          case "browse":
+            browseRepo(repoId);
+            break;
+        }
+      });
+    });
+  }
+
+  /**
+   * Setup app card interactions
+   */
+  function setupAppCards() {
+    document.querySelectorAll(".app-card").forEach((card) => {
+      card.addEventListener("click", function (e) {
+        if (e.target.closest(".app-action-btn")) return;
+
+        const appId = this.dataset.id;
+        if (appId) {
+          showAppDetail(appId);
+        }
+      });
+    });
+
+    document.querySelectorAll(".app-action-btn").forEach((btn) => {
+      btn.addEventListener("click", function (e) {
+        e.stopPropagation();
+        const action = this.dataset.action;
+        const card = this.closest(".app-card");
+        const appId = card?.dataset.id;
+        const appName = card?.dataset.name;
+
+        switch (action) {
+          case "open":
+            openApp(appId);
+            break;
+          case "edit":
+            editApp(appId);
+            break;
+          case "mention":
+            insertMention("app", appName);
+            break;
+        }
+      });
+    });
+  }
+
+  /**
+   * Setup @mention autocomplete for chat
+   */
+  function setupMentionAutocomplete() {
+    // Listen for @ symbol in chat input
+    document.addEventListener("input", function (e) {
+      if (!e.target.matches(".chat-input, .message-input, #chat-input")) return;
+
+      const input = e.target;
+      const value = input.value;
+      const cursorPos = input.selectionStart;
+
+      // Find @ before cursor
+      const textBeforeCursor = value.substring(0, cursorPos);
+      const atMatch = textBeforeCursor.match(/@(\w*)$/);
+
+      if (atMatch) {
+        const query = atMatch[1];
+        showMentionSuggestions(input, query);
+      } else {
+        hideMentionSuggestions();
+      }
+    });
+
+    // Handle mention selection
+    document.addEventListener("click", function (e) {
+      const suggestion = e.target.closest(".mention-suggestion");
+      if (suggestion) {
+        const type = suggestion.dataset.type;
+        const name = suggestion.dataset.name;
+        applyMention(type, name);
+      }
+    });
+
+    // Keyboard navigation for suggestions
+    document.addEventListener("keydown", function (e) {
+      const suggestions = document.querySelector(".mention-suggestions");
+      if (!suggestions || suggestions.classList.contains("hidden")) return;
+
+      if (e.key === "ArrowDown" || e.key === "ArrowUp") {
+        e.preventDefault();
+        navigateMentionSuggestions(e.key === "ArrowDown" ? 1 : -1);
+      } else if (e.key === "Enter" || e.key === "Tab") {
+        const active = suggestions.querySelector(".mention-suggestion.active");
+        if (active) {
+          e.preventDefault();
+          active.click();
+        }
+      } else if (e.key === "Escape") {
+        hideMentionSuggestions();
+      }
+    });
+  }
+
+  /**
+   * Show mention suggestions dropdown
+   */
+  function showMentionSuggestions(input, query) {
+    let suggestions = document.querySelector(".mention-suggestions");
+
+    if (!suggestions) {
+      suggestions = document.createElement("div");
+      suggestions.className = "mention-suggestions";
+      suggestions.style.cssText = `
+                position: absolute;
+                background: var(--surface);
+                border: 1px solid var(--border);
+                border-radius: 8px;
+                box-shadow: 0 4px 12px rgba(0,0,0,0.15);
+                max-height: 300px;
+                overflow-y: auto;
+                z-index: 1000;
+            `;
+      document.body.appendChild(suggestions);
     }
 
-    // Initialize on DOM ready
-    if (document.readyState === 'loading') {
-        document.addEventListener('DOMContentLoaded', init);
+    // Fetch matching repos and apps
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/mentions?q=${encodeURIComponent(query)}`, {
+          swap: "none",
+        })
+        .then((response) => {
+          try {
+            const data = JSON.parse(response);
+            renderMentionSuggestions(suggestions, data, input);
+          } catch (e) {
+            // Fallback to showing cached data
+            renderMentionSuggestions(
+              suggestions,
+              getMockMentions(query),
+              input,
+            );
+          }
+        });
     } else {
-        init();
+      renderMentionSuggestions(suggestions, getMockMentions(query), input);
+    }
+  }
+
+  /**
+   * Get mock mentions for development
+   */
+  function getMockMentions(query) {
+    const allMentions = [
+      { type: "repo", name: "botserver", description: "Core API server" },
+      { type: "repo", name: "botui", description: "Web UI components" },
+      { type: "repo", name: "botbook", description: "Documentation" },
+      { type: "repo", name: "bottemplates", description: "Bot templates" },
+      { type: "app", name: "crm", description: "Customer management app" },
+      { type: "app", name: "dashboard", description: "Analytics dashboard" },
+      { type: "app", name: "myapp", description: "Custom application" },
+    ];
+
+    if (!query) return allMentions.slice(0, 5);
+
+    return allMentions
+      .filter((m) => m.name.toLowerCase().includes(query.toLowerCase()))
+      .slice(0, 5);
+  }
+
+  /**
+   * Render mention suggestions
+   */
+  function renderMentionSuggestions(container, data, input) {
+    if (!data || data.length === 0) {
+      container.classList.add("hidden");
+      return;
     }
 
-    // Expose for external use
-    window.Sources = {
-        setActiveTab,
-        showPromptDetail,
-        usePrompt,
-        copyPrompt,
-        savePrompt,
-        showToast
-    };
+    const rect = input.getBoundingClientRect();
+    container.style.top = `${rect.bottom + 4}px`;
+    container.style.left = `${rect.left}px`;
+    container.style.width = `${Math.min(rect.width, 320)}px`;
+
+    container.innerHTML = data
+      .map(
+        (item, index) => `
+            <div class="mention-suggestion ${index === 0 ? "active" : ""}"
+                 data-type="${item.type}"
+                 data-name="${item.name}">
+                <div class="mention-suggestion-icon ${item.type}">
+                    ${
+                      item.type === "repo"
+                        ? '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M9 19c-5 1.5-5-2.5-7-3m14 6v-3.87a3.37 3.37 0 0 0-.94-2.61c3.14-.35 6.44-1.54 6.44-7A5.44 5.44 0 0 0 20 4.77 5.07 5.07 0 0 0 19.91 1S18.73.65 16 2.48a13.38 13.38 0 0 0-7 0C6.27.65 5.09 1 5.09 1A5.07 5.07 0 0 0 5 4.77a5.44 5.44 0 0 0-1.5 3.78c0 5.42 3.3 6.61 6.44 7A3.37 3.37 0 0 0 9 18.13V22"></path></svg>'
+                        : '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="3" width="7" height="7"></rect><rect x="14" y="3" width="7" height="7"></rect><rect x="14" y="14" width="7" height="7"></rect><rect x="3" y="14" width="7" height="7"></rect></svg>'
+                    }
+                </div>
+                <div class="mention-suggestion-info">
+                    <div class="mention-suggestion-name">@${item.name}</div>
+                    <div class="mention-suggestion-type">${item.type === "repo" ? "Repository" : "App"} • ${item.description || ""}</div>
+                </div>
+            </div>
+        `,
+      )
+      .join("");
+
+    container.classList.remove("hidden");
+  }
+
+  /**
+   * Hide mention suggestions
+   */
+  function hideMentionSuggestions() {
+    const suggestions = document.querySelector(".mention-suggestions");
+    if (suggestions) {
+      suggestions.classList.add("hidden");
+    }
+  }
+
+  /**
+   * Navigate mention suggestions with keyboard
+   */
+  function navigateMentionSuggestions(direction) {
+    const suggestions = document.querySelectorAll(".mention-suggestion");
+    const current = document.querySelector(".mention-suggestion.active");
+    let index = Array.from(suggestions).indexOf(current);
+
+    index += direction;
+    if (index < 0) index = suggestions.length - 1;
+    if (index >= suggestions.length) index = 0;
+
+    suggestions.forEach((s) => s.classList.remove("active"));
+    suggestions[index]?.classList.add("active");
+    suggestions[index]?.scrollIntoView({ block: "nearest" });
+  }
+
+  /**
+   * Apply selected mention to input
+   */
+  function applyMention(type, name) {
+    const input = document.querySelector(
+      ".chat-input, .message-input, #chat-input",
+    );
+    if (!input) return;
+
+    const value = input.value;
+    const cursorPos = input.selectionStart;
+    const textBeforeCursor = value.substring(0, cursorPos);
+    const textAfterCursor = value.substring(cursorPos);
+
+    // Replace @query with @name
+    const newTextBefore = textBeforeCursor.replace(/@\w*$/, `@${name} `);
+    input.value = newTextBefore + textAfterCursor;
+    input.selectionStart = input.selectionEnd = newTextBefore.length;
+    input.focus();
+
+    hideMentionSuggestions();
+
+    // Store context for the task
+    storeTaskContext(type, name);
+  }
+
+  /**
+   * Insert mention from Sources page
+   */
+  function insertMention(type, name) {
+    // Navigate to chat and insert mention
+    const chatInput = document.querySelector(
+      ".chat-input, .message-input, #chat-input",
+    );
+    if (chatInput) {
+      chatInput.value += `@${name} `;
+      chatInput.focus();
+      storeTaskContext(type, name);
+      showToast(`Added @${name} to chat context`);
+    } else {
+      // Store for next chat session
+      sessionStorage.setItem("pendingMention", JSON.stringify({ type, name }));
+      showToast(`@${name} will be added when you open chat`);
+    }
+  }
+
+  /**
+   * Store context for autonomous tasks
+   */
+  function storeTaskContext(type, name) {
+    let context = JSON.parse(sessionStorage.getItem("taskContext") || "[]");
+
+    // Avoid duplicates
+    if (!context.find((c) => c.type === type && c.name === name)) {
+      context.push({ type, name, addedAt: Date.now() });
+      sessionStorage.setItem("taskContext", JSON.stringify(context));
+    }
+  }
+
+  /**
+   * Get current task context
+   */
+  window.getTaskContext = function () {
+    return JSON.parse(sessionStorage.getItem("taskContext") || "[]");
+  };
+
+  /**
+   * Clear task context
+   */
+  window.clearTaskContext = function () {
+    sessionStorage.removeItem("taskContext");
+  };
+
+  /**
+   * Show repository detail
+   */
+  function showRepoDetail(repoId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/repositories/${repoId}`, {
+          target: "#repo-detail-panel",
+          swap: "innerHTML",
+        })
+        .then(() => {
+          document
+            .getElementById("repo-detail-panel")
+            ?.classList.remove("hidden");
+        });
+    }
+  }
+
+  /**
+   * Connect a repository
+   */
+  function connectRepo(repoId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("POST", `/api/sources/repositories/${repoId}/connect`, {
+          swap: "none",
+        })
+        .then(() => {
+          showToast("Repository connected");
+          // Refresh the repo card
+          htmx.ajax("GET", "/api/sources/repositories", {
+            target: "#content-area",
+            swap: "innerHTML",
+          });
+        });
+    }
+  }
+
+  /**
+   * Disconnect a repository
+   */
+  function disconnectRepo(repoId) {
+    if (confirm("Disconnect this repository?")) {
+      if (typeof htmx !== "undefined") {
+        htmx
+          .ajax("DELETE", `/api/sources/repositories/${repoId}/connect`, {
+            swap: "none",
+          })
+          .then(() => {
+            showToast("Repository disconnected");
+            htmx.ajax("GET", "/api/sources/repositories", {
+              target: "#content-area",
+              swap: "innerHTML",
+            });
+          });
+      }
+    }
+  }
+
+  /**
+   * Browse repository files
+   */
+  function browseRepo(repoId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/repositories/${repoId}/files`, {
+          target: "#repo-browser-panel",
+          swap: "innerHTML",
+        })
+        .then(() => {
+          document
+            .getElementById("repo-browser-panel")
+            ?.classList.remove("hidden");
+        });
+    }
+  }
+
+  /**
+   * Show app detail
+   */
+  function showAppDetail(appId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/apps/${appId}`, {
+          target: "#app-detail-panel",
+          swap: "innerHTML",
+        })
+        .then(() => {
+          document
+            .getElementById("app-detail-panel")
+            ?.classList.remove("hidden");
+        });
+    }
+  }
+
+  /**
+   * Open an app in new tab
+   */
+  function openApp(appId) {
+    window.open(`/apps/${appId}`, "_blank");
+  }
+
+  /**
+   * Edit an app (opens in Tasks with context)
+   */
+  function editApp(appId) {
+    // Store app context and navigate to tasks
+    storeTaskContext("app", appId);
+    window.location.hash = "#tasks";
+    showToast(`Editing @${appId} - describe your changes`);
+  }
+
+  /**
+   * Show server detail
+   */
+  function showServerDetail(serverId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/mcp-servers/${serverId}`, {
+          target: "#server-detail-panel",
+          swap: "innerHTML",
+        })
+        .then(() => {
+          document
+            .getElementById("server-detail-panel")
+            ?.classList.remove("hidden");
+        });
+    }
+  }
+
+  /**
+   * Show model detail
+   */
+  function showModelDetail(modelId) {
+    if (typeof htmx !== "undefined") {
+      htmx
+        .ajax("GET", `/api/sources/models/${modelId}`, {
+          target: "#model-detail-panel",
+          swap: "innerHTML",
+        })
+        .then(() => {
+          document
+            .getElementById("model-detail-panel")
+            ?.classList.remove("hidden");
+        });
+    }
+  }
+
+  /**
+   * Close all modals
+   */
+  function closeModals() {
+    document.querySelectorAll(".modal, .detail-panel").forEach((modal) => {
+      modal.classList.add("hidden");
+    });
+  }
+
+  /**
+   * Show toast notification
+   */
+  function showToast(message, type = "success") {
+    const toast = document.createElement("div");
+    toast.className = `toast toast-${type}`;
+    toast.textContent = message;
+    document.body.appendChild(toast);
+
+    // Trigger animation
+    requestAnimationFrame(() => {
+      toast.classList.add("show");
+    });
+
+    // Remove after delay
+    setTimeout(() => {
+      toast.classList.remove("show");
+      setTimeout(() => toast.remove(), 300);
+    }, 3000);
+  }
+
+  // Initialize on DOM ready
+  if (document.readyState === "loading") {
+    document.addEventListener("DOMContentLoaded", init);
+  } else {
+    init();
+  }
+
+  // Expose for external use
+  window.Sources = {
+    setActiveTab,
+    showPromptDetail,
+    usePrompt,
+    copyPrompt,
+    savePrompt,
+    showToast,
+    showRepoDetail,
+    connectRepo,
+    disconnectRepo,
+    browseRepo,
+    showAppDetail,
+    openApp,
+    editApp,
+    insertMention,
+    getTaskContext: window.getTaskContext,
+    clearTaskContext: window.clearTaskContext,
+  };
 })();