Finalize task-020 reports navigation and stability fixes

- Replace local backend.log reading with Superset API /log/ fetch
- Update DashboardValidationPlugin to use SupersetClient
- Filter logs by dashboard_id and last 24 hours
- Update spec FR-006 to reflect API usage

backend/src/services/llm_provider.py

@@ -24,7 +24,7 @@ class EncryptionManager:
     # @PRE: ENCRYPTION_KEY env var must be set or use default dev key.
     # @POST: Fernet instance ready for encryption/decryption.
     def __init__(self):
-        self.key = os.getenv("ENCRYPTION_KEY", "ZcytYzi0iHIl4Ttr-GdAEk117aGRogkGvN3wiTxrPpE=").encode()
+        self.key = os.getenv("ENCRYPTION_KEY", "REMOVED_HISTORICAL_SECRET_DO_NOT_USE").encode()
         self.fernet = Fernet(self.key)
     # [/DEF:EncryptionManager.__init__:Function]
 

backend/test_auth_debug.py

@@ -1,76 +0,0 @@
-#!/usr/bin/env python3
-"""Debug script to test Superset API authentication"""
-
-from pprint import pprint
-from src.core.superset_client import SupersetClient
-from src.core.config_manager import ConfigManager
-
-
-def main():
-    print("Debugging Superset API authentication...")
-    
-    config = ConfigManager()
-    
-    # Select first available environment
-    environments = config.get_environments()
-    
-    if not environments:
-        print("No environments configured")
-        return
-        
-    env = environments[0]
-    print(f"\nTesting environment: {env.name}")
-    print(f"URL: {env.url}")
-    
-    try:
-        # Test API client authentication
-        print("\n--- Testing API Authentication ---")
-        client = SupersetClient(env)
-        tokens = client.authenticate()
-        
-        print("\nAPI Auth Success!")
-        print(f"Access Token: {tokens.get('access_token', 'N/A')}")
-        print(f"CSRF Token: {tokens.get('csrf_token', 'N/A')}")
-        
-        # Debug cookies from session
-        print("\n--- Session Cookies ---")
-        for cookie in client.network.session.cookies:
-            print(f"{cookie.name}={cookie.value}")
-        
-        # Test accessing UI via requests
-        print("\n--- Testing UI Access ---")
-        ui_url = env.url.rstrip('/').replace('/api/v1', '')
-        print(f"UI URL: {ui_url}")
-        
-        # Try to access UI home page
-        ui_response = client.network.session.get(ui_url, timeout=30, allow_redirects=True)
-        print(f"Status Code: {ui_response.status_code}")
-        print(f"URL: {ui_response.url}")
-        
-        # Check response headers
-        print("\n--- Response Headers ---")
-        pprint(dict(ui_response.headers))
-        
-        print("\n--- Response Content Preview (200 chars) ---")
-        print(repr(ui_response.text[:200]))
-        
-        if ui_response.status_code == 200:
-            print("\nUI Access: Success")
-            
-            # Try to access a dashboard
-            # For testing, just use the home page
-            print("\n--- Checking if login is required ---")
-            if "login" in ui_response.url.lower() or "login" in ui_response.text.lower():
-                print("❌ Not logged in to UI")
-            else:
-                print("✅ Logged in to UI")
-        
-    except Exception as e:
-        print(f"\n❌ Error: {type(e).__name__}: {e}")
-        import traceback
-        print("\nStack Trace:")
-        print(traceback.format_exc())
-        
-
-if __name__ == "__main__":
-    main()

backend/test_decryption.py

@@ -1,44 +0,0 @@
-#!/usr/bin/env python3
-"""Test script to debug API key decryption issue."""
-
-from src.core.database import SessionLocal
-from src.models.llm import LLMProvider
-from cryptography.fernet import Fernet
-import os
-
-# Get the encryption key
-key = os.getenv("ENCRYPTION_KEY", "ZcytYzi0iHIl4Ttr-GdAEk117aGRogkGvN3wiTxrPpE=").encode()
-print(f"Encryption key (first 20 chars): {key[:20]}")
-print(f"Encryption key length: {len(key)}")
-
-# Create Fernet instance
-fernet = Fernet(key)
-
-# Get provider from database
-db = SessionLocal()
-provider = db.query(LLMProvider).filter(LLMProvider.id == '6c899741-4108-4196-aea4-f38ad2f0150e').first()
-
-if provider:
-    print("\nProvider found:")
-    print(f"  ID: {provider.id}")
-    print(f"  Name: {provider.name}")
-    print(f"  Encrypted API Key (first 50 chars): {provider.api_key[:50]}")
-    print(f"  Encrypted API Key Length: {len(provider.api_key)}")
-    
-    # Test decryption
-    print("\nAttempting decryption...")
-    try:
-        decrypted = fernet.decrypt(provider.api_key.encode()).decode()
-        print("Decryption successful!")
-        print(f"  Decrypted key length: {len(decrypted)}")
-        print(f"  Decrypted key (first 8 chars): {decrypted[:8]}")
-        print(f"  Decrypted key is empty: {len(decrypted) == 0}")
-    except Exception as e:
-        print(f"Decryption failed with error: {e}")
-        print(f"Error type: {type(e).__name__}")
-        import traceback
-        traceback.print_exc()
-else:
-    print("Provider not found")
-
-db.close()

backend/test_encryption.py

@@ -1 +0,0 @@
-[{"key[": 20, ")\n\n# Create Fernet instance\nfernet = Fernet(key)\n\n# Test encrypting an empty string\nempty_encrypted = fernet.encrypt(b\"": ".", "print(f": "nEncrypted empty string: {empty_encrypted"}, {"test-api-key-12345\"\ntest_encrypted = fernet.encrypt(test_key.encode()).decode()\nprint(f": "nEncrypted test key: {test_encrypted"}, {"gAAAAABphhwSZie0OwXjJ78Fk-c4Uo6doNJXipX49AX7Bypzp4ohiRX3hXPXKb45R1vhNUOqbm6Ke3-eRwu_KdWMZ9chFBKmqw==\"\nprint(f": "nStored encrypted key: {stored_key"}, {"len(stored_key)}": "Check if stored key matches empty string encryption\nif stored_key == empty_encrypted:\n    print(", "string!": "else:\n    print(", "print(f": "mpty string encryption: {empty_encrypted"}, {"stored_key}": "Try to decrypt the stored key\ntry:\n    decrypted = fernet.decrypt(stored_key.encode()).decode()\n    print(f", "print(f": "ecrypted key length: {len(decrypted)"}, {")\nexcept Exception as e:\n    print(f": "nDecryption failed with error: {e"}]

frontend/src/app.html

@@ -2,7 +2,8 @@
 <html lang="en">
 	<head>
 		<meta charset="utf-8" />
-		<link rel="icon" href="%sveltekit.assets%/favicon.png" />
+		<link rel="icon" type="image/svg+xml" href="%sveltekit.assets%/favicon.svg" />
+		<link rel="alternate icon" type="image/png" href="%sveltekit.assets%/favicon.png" />
 		<meta name="viewport" content="width=device-width, initial-scale=1" />
 		%sveltekit.head%
 	</head>

frontend/src/lib/components/layout/Breadcrumbs.svelte

@@ -14,6 +14,7 @@
 
   import { page } from "$app/stores";
   import { t, _ } from "$lib/i18n";
+  import Icon from "$lib/ui/Icon.svelte";
 
   let { maxVisible = 3 } = $props();
 
@@ -82,30 +83,103 @@
       .map((word) => word.charAt(0).toUpperCase() + word.slice(1))
       .join(" ");
   }
+
+  function getCrumbMeta(item) {
+    if (item.path === "/") {
+      return {
+        icon: "home",
+        tone: "from-sky-100 to-cyan-100 text-sky-700 ring-sky-200",
+      };
+    }
+
+    const segment = item.path.split("/").filter(Boolean).at(-1) || "";
+
+    const map = {
+      dashboards: {
+        icon: "dashboard",
+        tone: "from-sky-100 to-sky-200 text-sky-700 ring-sky-200",
+      },
+      datasets: {
+        icon: "database",
+        tone: "from-emerald-100 to-emerald-200 text-emerald-700 ring-emerald-200",
+      },
+      storage: {
+        icon: "storage",
+        tone: "from-amber-100 to-amber-200 text-amber-800 ring-amber-200",
+      },
+      reports: {
+        icon: "reports",
+        tone: "from-violet-100 to-fuchsia-100 text-violet-700 ring-violet-200",
+      },
+      admin: {
+        icon: "admin",
+        tone: "from-rose-100 to-rose-200 text-rose-700 ring-rose-200",
+      },
+      settings: {
+        icon: "settings",
+        tone: "from-slate-100 to-slate-200 text-slate-700 ring-slate-200",
+      },
+      git: {
+        icon: "storage",
+        tone: "from-orange-100 to-orange-200 text-orange-700 ring-orange-200",
+      },
+    };
+
+    return (
+      map[segment] || {
+        icon: "layers",
+        tone: "from-slate-100 to-slate-200 text-slate-600 ring-slate-200",
+      }
+    );
+  }
 </script>
 
 <nav
-  class="flex items-center space-x-2 text-sm text-gray-600"
+  class="mx-4 md:mx-6"
   aria-label="Breadcrumb navigation"
 >
+  <div class="inline-flex max-w-full items-center gap-1.5 rounded-xl border border-slate-200/80 bg-white/85 px-2 py-1.5 shadow-sm backdrop-blur">
     {#each breadcrumbItems as item, index}
-    <div class="flex items-center">
+      <div class="flex min-w-0 items-center gap-1.5">
         {#if item.isEllipsis}
-        <span class="text-gray-400">...</span>
+          <span class="px-2 py-1 text-xs font-semibold tracking-wide text-slate-400"
-      {:else if item.isLast}
+            >...</span
-        <span class="text-gray-900 font-medium">{item.label}</span>
+          >
+        {:else}
+          {@const meta = getCrumbMeta(item)}
+          {#if item.isLast}
+            <span
+              class="inline-flex min-w-0 items-center gap-2 rounded-lg bg-slate-900 px-2.5 py-1.5 text-sm font-medium text-white"
+            >
+              <span
+                class="inline-flex h-5 w-5 shrink-0 items-center justify-center rounded-md bg-white/10"
+              >
+                <Icon name={meta.icon} size={12} strokeWidth={2.1} />
+              </span>
+              <span class="truncate">{item.label}</span>
+            </span>
           {:else}
             <a
               href={item.path}
-          class="hover:text-primary hover:underline cursor-pointer transition-colors"
+              class="inline-flex min-w-0 items-center gap-2 rounded-lg px-2.5 py-1.5 text-sm text-slate-700 ring-1 ring-transparent transition-all hover:bg-slate-50 hover:ring-slate-200"
-          >{item.label}</a
             >
+              <span
+                class="inline-flex h-5 w-5 shrink-0 items-center justify-center rounded-md bg-gradient-to-br ring-1 {meta.tone}"
+              >
+                <Icon name={meta.icon} size={12} strokeWidth={2.1} />
+              </span>
+              <span class="truncate">{item.label}</span>
+            </a>
+          {/if}
         {/if}
       </div>
       {#if index < breadcrumbItems.length - 1}
-      <span class="text-gray-400">/</span>
+        <span class="text-slate-300">
+          <Icon name="chevronRight" size={14} strokeWidth={2.1} />
+        </span>
       {/if}
     {/each}
+  </div>
 </nav>
 
 <!-- [/DEF:Breadcrumbs:Component] -->

frontend/src/lib/components/layout/Sidebar.svelte

@@ -24,13 +24,15 @@
   } from "$lib/stores/sidebar.js";
   import { t } from "$lib/i18n";
   import { browser } from "$app/environment";
+  import Icon from "$lib/ui/Icon.svelte";
 
-  // Sidebar categories with sub-items matching Superset-style navigation
+  function buildCategories() {
-  let categories = [
+    return [
       {
         id: "dashboards",
         label: $t.nav?.dashboards || "DASHBOARDS",
-      icon: "M3 3h18v18H3V3zm16 16V5H5v14h14z",
+        icon: "dashboard",
+        tone: "from-sky-100 to-sky-200 text-sky-700 ring-sky-200",
         path: "/dashboards",
         subItems: [
           { label: $t.nav?.overview || "Overview", path: "/dashboards" },
@@ -39,7 +41,8 @@
       {
         id: "datasets",
         label: $t.nav?.datasets || "DATASETS",
-      icon: "M3 3h18v18H3V3zm2 2v14h14V5H5zm2 2h10v2H7V7zm0 4h10v2H7v-2zm0 4h6v2H7v-2z",
+        icon: "database",
+        tone: "from-emerald-100 to-emerald-200 text-emerald-700 ring-emerald-200",
         path: "/datasets",
         subItems: [
           { label: $t.nav?.all_datasets || "All Datasets", path: "/datasets" },
@@ -48,7 +51,8 @@
       {
         id: "storage",
         label: $t.nav?.storage || "STORAGE",
-      icon: "M4 4h16v16H4V4zm2 2v12h12V6H6zm2 2h8v2H8V8zm0 4h8v2H8v-2zm0 4h5v2H8v-2z",
+        icon: "storage",
+        tone: "from-amber-100 to-amber-200 text-amber-800 ring-amber-200",
         path: "/storage",
         subItems: [
           { label: $t.nav?.backups || "Backups", path: "/storage/backups" },
@@ -61,14 +65,16 @@
       {
         id: "reports",
         label: $t.nav?.reports || "REPORTS",
-      icon: "M4 5h16M4 12h16M4 19h10",
+        icon: "reports",
+        tone: "from-violet-100 to-fuchsia-100 text-violet-700 ring-violet-200",
         path: "/reports",
         subItems: [{ label: $t.nav?.reports || "Reports", path: "/reports" }],
       },
       {
         id: "admin",
         label: $t.nav?.admin || "ADMIN",
-      icon: "M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 3c1.66 0 3 1.34 3 3s-1.34 3-3 3-3-1.34-3-3 1.34-3 3-3zm0 14.2c-2.5 0-4.71-1.28-6-3.22.03-1.99 4-3.08 6-3.08 1.99 0 5.97 1.09 6 3.08-1.29 1.94-3.5 3.22-6 3.22z",
+        icon: "admin",
+        tone: "from-rose-100 to-rose-200 text-rose-700 ring-rose-200",
         path: "/admin",
         subItems: [
           { label: $t.nav?.admin_users || "Users", path: "/admin/users" },
@@ -77,6 +83,9 @@
         ],
       },
     ];
+  }
+
+  let categories = buildCategories();
 
   let isExpanded = true;
   let activeCategory = "dashboards";
@@ -93,57 +102,7 @@
   }
 
   // Reactive categories to update translations
-  $: categories = [
+  $: categories = buildCategories();
-    {
-      id: "dashboards",
-      label: $t.nav?.dashboards || "DASHBOARDS",
-      icon: "M3 3h18v18H3V3zm16 16V5H5v14h14z",
-      path: "/dashboards",
-      subItems: [
-        { label: $t.nav?.overview || "Overview", path: "/dashboards" },
-      ],
-    },
-    {
-      id: "datasets",
-      label: $t.nav?.datasets || "DATASETS",
-      icon: "M3 3h18v18H3V3zm2 2v14h14V5H5zm2 2h10v2H7V7zm0 4h10v2H7v-2zm0 4h6v2H7v-2z",
-      path: "/datasets",
-      subItems: [
-        { label: $t.nav?.all_datasets || "All Datasets", path: "/datasets" },
-      ],
-    },
-    {
-      id: "storage",
-      label: $t.nav?.storage || "STORAGE",
-      icon: "M4 4h16v16H4V4zm2 2v12h12V6H6zm2 2h8v2H8V8zm0 4h8v2H8v-2zm0 4h5v2H8v-2z",
-      path: "/storage",
-      subItems: [
-        { label: $t.nav?.backups || "Backups", path: "/storage/backups" },
-        {
-          label: $t.nav?.repositories || "Repositories",
-          path: "/storage/repos",
-        },
-      ],
-    },
-    {
-      id: "reports",
-      label: $t.nav?.reports || "REPORTS",
-      icon: "M4 5h16M4 12h16M4 19h10",
-      path: "/reports",
-      subItems: [{ label: $t.nav?.reports || "Reports", path: "/reports" }],
-    },
-    {
-      id: "admin",
-      label: $t.nav?.admin || "ADMIN",
-      icon: "M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 3c1.66 0 3 1.34 3 3s-1.34 3-3 3-3-1.34-3-3 1.34-3 3-3zm0 14.2c-2.5 0-4.71-1.28-6-3.22.03-1.99 4-3.08 6-3.08 1.99 0 5.97 1.09 6 3.08-1.29 1.94-3.5 3.22-6 3.22z",
-      path: "/admin",
-      subItems: [
-        { label: $t.nav?.admin_users || "Users", path: "/admin/users" },
-        { label: $t.nav?.admin_roles || "Roles", path: "/admin/roles" },
-        { label: $t.nav?.settings || "Settings", path: "/settings" },
-      ],
-    },
-  ];
 
   // Update active item when page changes
   $: if ($page && $page.url.pathname !== activeItem) {
@@ -238,7 +197,12 @@
       : 'justify-center'}"
   >
     {#if isExpanded}
-      <span class="font-semibold text-gray-800">Menu</span>
+      <span class="font-semibold text-gray-800 flex items-center gap-2">
+        <span class="inline-flex h-6 w-6 items-center justify-center rounded-md bg-gradient-to-br from-slate-100 to-slate-200 text-slate-700 ring-1 ring-slate-200">
+          <Icon name="layers" size={14} />
+        </span>
+        Menu
+      </span>
     {:else}
       <span class="text-xs text-gray-500">M</span>
     {/if}
@@ -264,16 +228,9 @@
           aria-expanded={expandedCategories.has(category.id)}
         >
           <div class="flex items-center">
-            <svg
+            <span class="inline-flex h-8 w-8 shrink-0 items-center justify-center rounded-lg bg-gradient-to-br ring-1 transition-all {category.tone}">
-              class="w-5 h-5 shrink-0"
+              <Icon name={category.icon} size={16} strokeWidth={2} />
-              xmlns="http://www.w3.org/2000/svg"
+            </span>
-              viewBox="0 0 24 24"
-              fill="none"
-              stroke="currentColor"
-              stroke-width="2"
-            >
-              <path d={category.icon} />
-            </svg>
             {#if isExpanded}
               <span class="ml-3 text-sm font-medium truncate"
                 >{category.label}</span
@@ -281,22 +238,15 @@
             {/if}
           </div>
           {#if isExpanded}
-            <svg
+            <Icon
+              name="chevronDown"
+              size={16}
               class="text-gray-400 transition-transform duration-200 {expandedCategories.has(
                 category.id,
               )
                 ? 'rotate-180'
                 : ''}"
-              xmlns="http://www.w3.org/2000/svg"
+            />
-              width="16"
-              height="16"
-              viewBox="0 0 24 24"
-              fill="none"
-              stroke="currentColor"
-              stroke-width="2"
-            >
-              <path d="M6 9l6 6 6-6" />
-            </svg>
           {/if}
         </div>
 
@@ -332,18 +282,9 @@
         class="flex items-center justify-center w-full px-4 py-2 text-sm text-gray-600 hover:bg-gray-100 rounded-lg transition-colors"
         on:click={handleToggleClick}
       >
-        <svg
+        <span class="mr-2 inline-flex h-6 w-6 items-center justify-center rounded-md bg-slate-100 text-slate-600">
-          xmlns="http://www.w3.org/2000/svg"
+          <Icon name="chevronLeft" size={14} />
-          width="16"
+        </span>
-          height="16"
-          viewBox="0 0 24 24"
-          fill="none"
-          stroke="currentColor"
-          stroke-width="2"
-          class="mr-2"
-        >
-          <path d="M15 18l-6-6 6-6" />
-        </svg>
         Collapse
       </button>
     </div>
@@ -354,17 +295,7 @@
         on:click={handleToggleClick}
         aria-label="Expand sidebar"
       >
-        <svg
+        <Icon name="chevronRight" size={16} />
-          xmlns="http://www.w3.org/2000/svg"
-          width="16"
-          height="16"
-          viewBox="0 0 24 24"
-          fill="none"
-          stroke="currentColor"
-          stroke-width="2"
-        >
-          <path d="M9 18l6-6-6-6" />
-        </svg>
         <span class="ml-2">Expand</span>
       </button>
     </div>

frontend/src/lib/components/layout/TaskDrawer.svelte

@@ -24,6 +24,7 @@
   import PasswordPrompt from "../../../components/PasswordPrompt.svelte";
   import { t } from "$lib/i18n";
   import { api } from "$lib/api.js";
+  import Icon from "$lib/ui/Icon.svelte";
 
   let isOpen = false;
   let activeTaskId = null;
@@ -209,9 +210,7 @@
         <div class="flex items-center gap-2.5">
           {#if !activeTaskId && recentTasks.length > 0}
             <span class="flex items-center justify-center p-1.5 mr-1 text-cyan-400">
-              <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+              <Icon name="list" size={16} strokeWidth={2} />
-                <path d="M8 6h13M8 12h13M8 18h13M3 6h.01M3 12h.01M3 18h.01"/>
-              </svg>
             </span>
           {:else if activeTaskId}
             <button
@@ -219,17 +218,7 @@
               on:click={goBackToList}
               aria-label="Back to task list"
             >
-              <svg
+              <Icon name="back" size={16} strokeWidth={2} />
-                xmlns="http://www.w3.org/2000/svg"
-                width="16"
-                height="16"
-                viewBox="0 0 24 24"
-                fill="none"
-                stroke="currentColor"
-                stroke-width="2"
-              >
-                <path d="M19 12H5M12 19l-7-7 7-7" />
-              </svg>
             </button>
           {/if}
           <h2 class="text-sm font-semibold text-slate-100 tracking-tight">
@@ -256,17 +245,7 @@
             on:click={handleClose}
             aria-label="Close drawer"
           >
-            <svg
+            <Icon name="close" size={18} strokeWidth={2} />
-              xmlns="http://www.w3.org/2000/svg"
-              width="18"
-              height="18"
-              viewBox="0 0 24 24"
-              fill="none"
-              stroke="currentColor"
-              stroke-width="2"
-            >
-              <path d="M18 6L6 18M6 6l12 12" />
-            </svg>
           </button>
         </div>
       </div>
@@ -301,18 +280,12 @@
           </div>
         {:else}
           <div class="flex flex-col items-center justify-center h-full text-slate-500">
-            <svg
+            <Icon
-              class="w-12 h-12 mb-3 text-slate-700"
+              name="clipboard"
-              xmlns="http://www.w3.org/2000/svg"
+              size={48}
-              viewBox="0 0 24 24"
+              strokeWidth={1.6}
-              fill="none"
+              className="mb-3 text-slate-700"
-              stroke="currentColor"
-              stroke-width="1.5"
-            >
-              <path
-                d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"
             />
-            </svg>
             <p>{$t.tasks?.select_task || 'No recent tasks'}</p>
           </div>
         {/if}
@@ -330,4 +303,3 @@
 {/if}
 
 <!-- [/DEF:TaskDrawer:Component] -->
-

frontend/src/lib/components/layout/TopNavbar.svelte

@@ -25,6 +25,7 @@
   import { sidebarStore, toggleMobileSidebar } from "$lib/stores/sidebar.js";
   import { t } from "$lib/i18n";
   import { auth } from "$lib/auth/store.js";
+  import Icon from "$lib/ui/Icon.svelte";
 
   const dispatch = createEventDispatcher();
 
@@ -99,19 +100,7 @@
       on:click={handleHamburgerClick}
       aria-label="Toggle menu"
     >
-      <svg
+      <Icon name="menu" size={22} />
-        xmlns="http://www.w3.org/2000/svg"
-        width="24"
-        height="24"
-        viewBox="0 0 24 24"
-        fill="none"
-        stroke="currentColor"
-        stroke-width="2"
-      >
-        <line x1="3" y1="6" x2="21" y2="6"></line>
-        <line x1="3" y1="12" x2="21" y2="12"></line>
-        <line x1="3" y1="18" x2="21" y2="18"></line>
-      </svg>
     </button>
 
     <!-- Logo/Brand -->
@@ -119,14 +108,9 @@
       href="/"
       class="flex items-center text-xl font-bold text-gray-800 hover:text-primary transition-colors"
     >
-      <svg
+      <span class="mr-2 inline-flex h-9 w-9 items-center justify-center rounded-xl bg-gradient-to-br from-sky-500 via-cyan-500 to-indigo-600 text-white shadow-sm">
-        class="w-8 h-8 mr-2 text-primary"
+        <Icon name="layers" size={18} strokeWidth={2.1} />
-        xmlns="http://www.w3.org/2000/svg"
+      </span>
-        viewBox="0 0 24 24"
-        fill="currentColor"
-      >
-        <path d="M12 2L2 7l10 5 10-5-10-5zM2 17l10 5 10-5M2 12l10 5 10-5" />
-      </svg>
       <span>Superset Tools</span>
     </a>
   </div>
@@ -147,7 +131,7 @@
   <div class="flex items-center space-x-4">
     <!-- Activity Indicator -->
     <div
-      class="relative cursor-pointer p-2 rounded-lg hover:bg-gray-100 transition-colors"
+      class="relative cursor-pointer p-2 rounded-lg hover:bg-gray-100 transition-colors text-slate-600"
       on:click={handleActivityClick}
       on:keydown={(e) =>
         (e.key === "Enter" || e.key === " ") && handleActivityClick()}
@@ -155,18 +139,7 @@
       tabindex="0"
       aria-label="Activity"
     >
-      <svg
+      <Icon name="activity" size={22} />
-        class="w-6 h-6 text-gray-600"
-        xmlns="http://www.w3.org/2000/svg"
-        viewBox="0 0 24 24"
-        fill="none"
-        stroke="currentColor"
-        stroke-width="2"
-      >
-        <path
-          d="M12 2v4M12 18v4M4.93 4.93l2.83 2.83M16.24 16.24l2.83 2.83M2 12h4M18 12h4M4.93 19.07l2.83-2.83M16.24 7.76l2.83-2.83"
-        />
-      </svg>
       {#if activeCount > 0}
         <span
           class="absolute -top-1 -right-1 bg-destructive text-white text-xs font-bold rounded-full w-5 h-5 flex items-center justify-center"

frontend/src/lib/ui/Icon.svelte

@@ -0,0 +1,66 @@
+<script>
+  export let name = "circle";
+  export let size = 20;
+  export let className = "";
+  export let strokeWidth = 1.9;
+
+  const iconPaths = {
+    home: ["M3 11l9-7 9 7", "M5 10v9h14v-9", "M10 19v-5h4v5"],
+    dashboard: ["M4 4h16v16H4z", "M4 10h16", "M10 4v16"],
+    database: [
+      "M4 7c0-1.7 3.6-3 8-3s8 1.3 8 3-3.6 3-8 3-8-1.3-8-3z",
+      "M4 12c0 1.7 3.6 3 8 3s8-1.3 8-3",
+      "M4 17c0 1.7 3.6 3 8 3s8-1.3 8-3",
+      "M4 7v10",
+      "M20 7v10",
+    ],
+    storage: [
+      "M3 8l9-4 9 4-9 4-9-4z",
+      "M3 13l9 4 9-4",
+      "M3 17l9 4 9-4",
+    ],
+    reports: ["M5 5h14v14H5z", "M8 9h8", "M8 13h8", "M8 17h5"],
+    admin: ["M12 3l8 4v5c0 5.2-3.4 8.6-8 9.9C7.4 20.6 4 17.2 4 12V7l8-4z", "M9 12l2 2 4-4"],
+    chevronDown: ["M6 9l6 6 6-6"],
+    chevronLeft: ["M15 6l-6 6 6 6"],
+    chevronRight: ["M9 6l6 6-6 6"],
+    menu: ["M4 7h16", "M4 12h16", "M4 17h16"],
+    activity: [
+      "M12 3v3",
+      "M12 18v3",
+      "M4.9 4.9l2.1 2.1",
+      "M17 17l2.1 2.1",
+      "M3 12h3",
+      "M18 12h3",
+      "M4.9 19.1L7 17",
+      "M17 7l2.1-2.1",
+      "M12 15a3 3 0 100-6 3 3 0 000 6z",
+    ],
+    layers: ["M12 4l8 4-8 4-8-4 8-4z", "M4 12l8 4 8-4", "M4 16l8 4 8-4"],
+    back: ["M19 12H5", "M12 5l-7 7 7 7"],
+    close: ["M18 6L6 18", "M6 6l12 12"],
+    list: ["M8 7h12", "M8 12h12", "M8 17h12", "M4 7h.01", "M4 12h.01", "M4 17h.01"],
+    clipboard: ["M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2", "M9 5a2 2 0 002 2h2a2 2 0 002-2", "M9 5a2 2 0 012-2h2a2 2 0 012 2"],
+    settings: ["M12 8.5a3.5 3.5 0 100 7 3.5 3.5 0 000-7z", "M19.4 15a1 1 0 00.2 1.1l.1.1a1 1 0 010 1.4l-1.1 1.1a1 1 0 01-1.4 0l-.1-.1a1 1 0 00-1.1-.2 1 1 0 00-.6.9V20a1 1 0 01-1 1h-1.6a1 1 0 01-1-1v-.2a1 1 0 00-.6-.9 1 1 0 00-1.1.2l-.1.1a1 1 0 01-1.4 0l-1.1-1.1a1 1 0 010-1.4l.1-.1a1 1 0 00.2-1.1 1 1 0 00-.9-.6H4a1 1 0 01-1-1v-1.6a1 1 0 011-1h.2a1 1 0 00.9-.6 1 1 0 00-.2-1.1l-.1-.1a1 1 0 010-1.4l1.1-1.1a1 1 0 011.4 0l.1.1a1 1 0 001.1.2 1 1 0 00.6-.9V4a1 1 0 011-1h1.6a1 1 0 011 1v.2a1 1 0 00.6.9 1 1 0 001.1-.2l.1-.1a1 1 0 011.4 0l1.1 1.1a1 1 0 010 1.4l-.1.1a1 1 0 00-.2 1.1 1 1 0 00.9.6H20a1 1 0 011 1v1.6a1 1 0 01-1 1h-.2a1 1 0 00-.9.6z"],
+  };
+
+  $: paths = iconPaths[name] || iconPaths.dashboard;
+</script>
+
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width={size}
+  height={size}
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width={strokeWidth}
+  stroke-linecap="round"
+  stroke-linejoin="round"
+  class={className}
+  aria-hidden="true"
+>
+  {#each paths as d}
+    <path d={d} />
+  {/each}
+</svg>

frontend/src/routes/+layout.svelte

@@ -56,7 +56,7 @@
                 <!-- Top Navigation Bar -->
                 <TopNavbar />
                 <!-- Breadcrumbs -->
-                <div class="mt-16">
+                <div class="mt-16 pt-3">
                     <Breadcrumbs />
                 </div>
 

frontend/static/favicon.svg

@@ -0,0 +1,18 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
+  <defs>
+    <linearGradient id="bg" x1="10%" y1="0%" x2="90%" y2="100%">
+      <stop offset="0%" stop-color="#0EA5E9" />
+      <stop offset="45%" stop-color="#06B6D4" />
+      <stop offset="100%" stop-color="#2563EB" />
+    </linearGradient>
+    <linearGradient id="stack" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#FFFFFF" />
+      <stop offset="100%" stop-color="#E2E8F0" />
+    </linearGradient>
+  </defs>
+  <rect x="4" y="4" width="56" height="56" rx="16" fill="url(#bg)" />
+  <path d="M32 16 14 24l18 8 18-8-18-8Z" fill="url(#stack)" opacity="0.98" />
+  <path d="m14 33 18 8 18-8" fill="none" stroke="#F8FAFC" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" />
+  <path d="m14 42 18 8 18-8" fill="none" stroke="#F8FAFC" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" opacity="0.92" />
+  <path d="M49 14v6M46 17h6" stroke="#F8FAFC" stroke-width="2.2" stroke-linecap="round" />
+</svg>