httpd: add worker test rate tracking

Track per-worker test rates using 120s sliding window.
Display combined rate in dashboard and individual rates
in worker cards.

httpd.py

@@ -86,6 +86,11 @@ _master_key = None  # master key for worker registration
 _claim_timeout = 300  # seconds before unclaimed work is released
 _workers_file = 'data/workers.json'  # persistent storage
 
+# Test rate tracking: worker_id -> list of (timestamp, count) tuples
+_worker_test_history = {}
+_worker_test_history_lock = threading.Lock()
+_test_history_window = 120  # seconds to keep test history for rate calculation
+
 def load_workers():
     """Load worker registry from disk."""
     global _workers, _worker_keys
@@ -187,6 +192,39 @@ def update_worker_heartbeat(worker_id):
         if worker_id in _workers:
             _workers[worker_id]['last_seen'] = time.time()
 
+
+def record_test_rate(worker_id, count):
+    """Record test submission for rate calculation."""
+    now = time.time()
+    with _worker_test_history_lock:
+        if worker_id not in _worker_test_history:
+            _worker_test_history[worker_id] = []
+        _worker_test_history[worker_id].append((now, count))
+        # Prune old entries
+        cutoff = now - _test_history_window
+        _worker_test_history[worker_id] = [
+            (t, c) for t, c in _worker_test_history[worker_id] if t > cutoff
+        ]
+
+
+def get_worker_test_rate(worker_id):
+    """Calculate worker's test rate (tests/sec) over recent window."""
+    now = time.time()
+    with _worker_test_history_lock:
+        if worker_id not in _worker_test_history:
+            return 0.0
+        history = _worker_test_history[worker_id]
+        if not history:
+            return 0.0
+        # Sum tests in window and calculate rate
+        cutoff = now - _test_history_window
+        total_tests = sum(c for t, c in history if t > cutoff)
+        oldest = min((t for t, c in history if t > cutoff), default=now)
+        elapsed = now - oldest
+        if elapsed < 1:
+            return 0.0
+        return total_tests / elapsed
+
 def claim_work(db, worker_id, count=100):
     """Claim a batch of proxies for testing. Returns list of proxy dicts."""
     now = time.time()
@@ -325,6 +363,9 @@ def submit_results(db, worker_id, results):
             w['last_batch_size'] = len(results)
             w['last_batch_working'] = working_count
 
+    # Record for test rate calculation
+    record_test_rate(worker_id, processed)
+
     # Save workers periodically (every 60s)
     if now - _last_workers_save > 60:
         save_workers()
@@ -1292,6 +1333,8 @@ class ProxyAPIServer(threading.Thread):
                     tor_last_check = info.get('tor_last_check', 0)
                     tor_age = int(now - tor_last_check) if tor_last_check else None
                     worker_profiling = info.get('profiling', False)
+                    # Calculate test rate for this worker
+                    test_rate = get_worker_test_rate(wid)
                     workers.append({
                         'id': wid,
                         'name': info['name'],
@@ -1308,6 +1351,7 @@ class ProxyAPIServer(threading.Thread):
                         'last_batch_size': info.get('last_batch_size', 0),
                         'last_batch_working': info.get('last_batch_working', 0),
                         'active': (now - info['last_seen']) < 120,
+                        'test_rate': round(test_rate, 2),
                         'tor_ok': tor_ok,
                         'tor_ip': tor_ip,
                         'tor_age': tor_age,
@@ -1340,6 +1384,8 @@ class ProxyAPIServer(threading.Thread):
                 db.close()
             except Exception:
                 pass
+            # Calculate combined test rate from active workers
+            combined_rate = sum(w['test_rate'] for w in workers if w['active'])
             return json.dumps({
                 'workers': workers,
                 'total': len(workers),
@@ -1349,6 +1395,7 @@ class ProxyAPIServer(threading.Thread):
                     'total_working': total_working,
                     'total_failed': total_failed,
                     'overall_success_rate': round(100 * total_working / total_tested, 1) if total_tested > 0 else 0,
+                    'combined_rate': round(combined_rate, 2),
                 },
                 'queue': queue_stats,
             }, indent=2), 'application/json', 200

static/dashboard.js

@@ -619,13 +619,8 @@ function updateWorkers(data) {
         // Main panel distributed workers
         if ($('dwTested')) $('dwTested').textContent = fmt(data.summary.total_tested);
         if ($('dwWorking')) $('dwWorking').textContent = fmt(data.summary.total_working);
-        // Calculate combined rate from worker stats
+        // Combined rate from summary
-        var combinedRate = 0;
+        var combinedRate = data.summary.combined_rate || 0;
-        if (data.workers) {
-            data.workers.forEach(function(w) {
-                if (w.active && w.test_rate) combinedRate += w.test_rate;
-            });
-        }
         if ($('dwRate')) $('dwRate').textContent = combinedRate > 0 ? combinedRate.toFixed(1) + '/s' : '-';
     }
 
@@ -652,6 +647,7 @@ function updateWorkers(data) {
         var statusClass = w.active ? 'grn' : 'red';
         var statusText = w.active ? 'ACTIVE' : 'OFFLINE';
         var successRate = w.success_rate || 0;
+        var testRate = w.test_rate || 0;
         var rateClass = successRate >= 50 ? 'grn' : (successRate >= 20 ? 'yel' : 'red');
         var profBadge = w.profiling ? '<span class="tag tag-warn" style="margin-left:4px;font-size:9px">PROF</span>' : '';
 
@@ -661,10 +657,10 @@ function updateWorkers(data) {
                 '<span><span class="tag tag-' + (w.active ? 'ok' : 'err') + '">' + statusText + '</span>' + profBadge + '</span>' +
             '</div>' +
             '<div class="stats-wrap" style="margin:0">' +
+                '<div class="stat-row"><span class="stat-lbl">Rate</span><span class="stat-val cyn">' + (testRate > 0 ? testRate.toFixed(1) + '/s' : '-') + '</span></div>' +
                 '<div class="stat-row"><span class="stat-lbl">Tested</span><span class="stat-val">' + fmt(w.proxies_tested) + '</span></div>' +
                 '<div class="stat-row"><span class="stat-lbl">Working</span><span class="stat-val grn">' + fmt(w.proxies_working) + '</span></div>' +
                 '<div class="stat-row"><span class="stat-lbl">Success</span><span class="stat-val ' + rateClass + '">' + successRate.toFixed(1) + '%</span></div>' +
-                '<div class="stat-row"><span class="stat-lbl">Jobs</span><span class="stat-val">' + fmt(w.jobs_completed) + '</span></div>' +
             '</div>' +
             '<div style="font-size:0.75em;color:var(--dim);margin-top:8px">' +
                 'IP: ' + w.ip + ' | Last: ' + formatAge(w.age) +