fix(ui): Worker slot preflight checklist and fingerprint hover

- Fix fingerprint tooltip to use actual API field names (browserName, deviceCategory, detectedTimezone)
- Show real preflight steps: HTTP Preflight, Geo Session, Pool Ready
- Checkmarks appear as each step completes, spinners while in progress

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cannaiq/src/pages/WorkersDashboard.tsx

@@ -688,21 +688,41 @@ function WorkerSlot({
   const maxTasks = worker?.max_concurrent_tasks || 3;
   const isOverloaded = (worker?.active_task_count || 0) >= maxTasks;
 
-  // Build fingerprint tooltip
+  // Build fingerprint tooltip - use actual API field names
+  const fp = fingerprint as any; // API returns different shape than interface
   const fingerprintTooltip = [
-    '=== FINGERPRINT ===',
-    fingerprint?.browser ? `Browser: ${fingerprint.browser}` : 'Browser: Unknown',
-    fingerprint?.platform ? `Platform: ${fingerprint.platform}` : '',
-    fingerprint?.timezone ? `Timezone: ${fingerprint.timezone}` : '',
+    '═══ FINGERPRINT ═══',
+    fp?.browserName ? `Browser: ${fp.browserName}` : 'Browser: Unknown',
+    fp?.deviceCategory ? `Device: ${fp.deviceCategory}` : '',
+    fp?.userAgent ? `UA: ${fp.userAgent.slice(0, 50)}...` : '',
     '',
-    '=== BOT DETECTION ===',
-    fingerprint?.botDetection ? `Webdriver: ${fingerprint.botDetection.webdriver ? '⚠️ DETECTED' : '✓ Hidden'}` : '',
-    fingerprint?.botDetection ? `Automation: ${fingerprint.botDetection.automationControlled ? '⚠️ DETECTED' : '✓ Hidden'}` : '',
+    '═══ LOCATION ═══',
+    fp?.detectedLocation?.city ? `City: ${fp.detectedLocation.city}` : '',
+    fp?.detectedLocation?.region ? `State: ${fp.detectedLocation.region}` : '',
+    fp?.detectedTimezone ? `Timezone: ${fp.detectedTimezone}` : '',
     '',
-    '=== PRODUCTS ===',
-    fingerprint?.productsReturned !== undefined ? `Products returned: ${fingerprint.productsReturned}` : '',
+    '═══ PROXY ═══',
+    httpIp ? `IP: ${httpIp}` : '',
+    fp?.productsReturned !== undefined ? `Test Products: ${fp.productsReturned}` : '',
   ].filter(Boolean).join('\n');
 
+  // Preflight status helpers
+  const httpStatus = worker?.preflight_http_status;
+  const curlStatus = worker?.preflight_curl_status;
+
+  const getStatusIcon = (status: string | undefined, label: string) => {
+    if (status === 'passed') return <CheckCircle className="w-3 h-3 text-emerald-500" />;
+    if (status === 'failed') return <XCircle className="w-3 h-3 text-red-500" />;
+    if (status === 'skipped') return <span className="w-3 h-3 text-gray-400">—</span>;
+    return <RefreshCw className="w-3 h-3 text-yellow-500 animate-spin" />;
+  };
+
+  const getStatusColor = (status: string | undefined) => {
+    if (status === 'passed') return 'text-emerald-600';
+    if (status === 'failed') return 'text-red-600';
+    return 'text-yellow-600';
+  };
+
   // Slot is idle (no task)
   if (!task) {
     // Show preflight checklist if not yet qualified
@@ -713,34 +733,39 @@ function WorkerSlot({
           onMouseEnter={() => setIsHovered(true)}
           onMouseLeave={() => setIsHovered(false)}
         >
-          <div className="text-xs font-semibold text-gray-500 mb-2">Slot {slotIndex + 1}</div>
+          <div className="text-xs font-semibold text-gray-500 mb-2">Slot {slotIndex + 1} - Starting</div>
           <div className="space-y-1">
+            {/* HTTP Preflight */}
             <div className="flex items-center gap-2 text-xs">
-              {isOverloaded ? (
-                <XCircle className="w-3 h-3 text-red-500" />
-              ) : (
-                <CheckCircle className="w-3 h-3 text-emerald-500" />
-              )}
-              <span className={isOverloaded ? 'text-red-600' : 'text-gray-600'}>Overload?</span>
+              {getStatusIcon(httpStatus, 'HTTP')}
+              <span className={getStatusColor(httpStatus)}>
+                HTTP Preflight {httpStatus === 'passed' ? '✓' : httpStatus === 'failed' ? '✗' : '...'}
+              </span>
             </div>
+            {/* Geo Session */}
             <div className="flex items-center gap-2 text-xs">
-              {isDecommissioning ? (
-                <XCircle className="w-3 h-3 text-orange-500" />
-              ) : (
+              {hasGeo ? (
                 <CheckCircle className="w-3 h-3 text-emerald-500" />
+              ) : httpStatus === 'passed' ? (
+                <RefreshCw className="w-3 h-3 text-yellow-500 animate-spin" />
+              ) : (
+                <Clock className="w-3 h-3 text-gray-300" />
               )}
-              <span className={isDecommissioning ? 'text-orange-600' : 'text-gray-600'}>Terminating?</span>
+              <span className={hasGeo ? 'text-emerald-600' : 'text-gray-500'}>
+                Geo Session {hasGeo ? '✓' : httpStatus === 'passed' ? '...' : ''}
+              </span>
             </div>
+            {/* Pool Ready */}
             <div className="flex items-center gap-2 text-xs">
-              {!poolOpen ? (
-                <Clock className="w-3 h-3 text-yellow-500" />
+              {isQualified ? (
+                <CheckCircle className="w-3 h-3 text-emerald-500" />
               ) : hasGeo ? (
-                <CheckCircle className="w-3 h-3 text-emerald-500" />
+                <RefreshCw className="w-3 h-3 text-yellow-500 animate-spin" />
               ) : (
-                <Clock className="w-3 h-3 text-yellow-500 animate-pulse" />
+                <Clock className="w-3 h-3 text-gray-300" />
               )}
-              <span className={!poolOpen || !hasGeo ? 'text-yellow-600' : 'text-gray-600'}>
-                Pool Query?
+              <span className={isQualified ? 'text-emerald-600' : 'text-gray-500'}>
+                Pool Ready {isQualified ? '✓' : hasGeo ? '...' : ''}
               </span>
             </div>
           </div>