fix(nordagpt): smart router complexity for long queries + show routing info in badge

- Long messages (>150 chars) with 2+ categories → complex (was medium)
- Badge shows actual model used, complexity icon, thinking level
- Done chunk includes complexity, thinking, routed_by metadata

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

nordabiz_chat.py

@@ -1689,7 +1689,10 @@ W dyskusji [Artur Wiertel](link) pytał o moderację. Pełna treść: [moje uwag
                 'latency_ms': latency_ms,
                 'model': actual_model,
                 'cost_usd': round(cost_usd, 6),
-                'full_text': full_response_text
+                'full_text': full_response_text,
+                'complexity': route_decision.get('complexity', '?'),
+                'thinking': route_decision.get('thinking', '?'),
+                'routed_by': route_decision.get('routed_by', '?'),
             }
 
         except Exception as e:

smart_router.py

@@ -141,13 +141,16 @@ def route_query_fast(message: str, user_context: dict) -> Optional[dict]:
         logger.debug("fast_router: no confident match, deferring to AI router")
         return None
 
-    # Determine complexity by number of matched categories
-    if len(matched_categories) == 1:
-        complexity = 'medium'
-    elif len(matched_categories) <= 3:
+    # Determine complexity by number of matched categories + message length
+    is_long = len(message) > 150
+    multi_question = any(w in msg for w in ['jak ', 'jakie ', 'w jaki sposób', 'kto mógł'])
+
+    if len(matched_categories) >= 3 or (len(matched_categories) >= 2 and is_long):
+        complexity = 'complex'
+    elif len(matched_categories) >= 2 or is_long or multi_question:
         complexity = 'medium'
     else:
-        complexity = 'complex'
+        complexity = 'simple' if len(message) < 80 else 'medium'
 
     logger.debug(
         "fast_router: matched categories=%s complexity=%s",

templates/chat.html

@@ -2514,12 +2514,20 @@ async function sendMessage() {
                         const modelLabels = {
                             'flash': '⚡ Flash', 'pro': '🧠 Pro',
                             'gemini-3-flash-preview': '⚡ Flash',
+                            'gemini-3.1-flash-lite-preview': '⚡ Lite',
                             'gemini-3.1-pro-preview': '🧠 Pro'
                         };
-                        const modelLabel = modelLabels[currentModel] || currentModel;
+                        const actualModel = chunk.model || currentModel;
+                        const modelLabel = modelLabels[actualModel] || modelLabels[currentModel] || actualModel;
                         const latencySec = ((chunk.latency_ms || 0) / 1000).toFixed(1);
                         const costStr = (chunk.cost_usd || 0) > 0 ? `$${(chunk.cost_usd).toFixed(4)}` : '$0.00';
-                        let badgeHTML = `<span class="thinking-badge-level">${modelLabel}</span> · <span class="thinking-badge-time">${latencySec}s</span> · <span class="thinking-badge-cost">${costStr}</span>`;
+                        const complexityIcons = {'simple': '💬', 'medium': '🔍', 'complex': '🧠'};
+                        const thinkingLabels = {'minimal': 'szybki', 'low': 'analiza', 'high': 'głęboka analiza'};
+                        const cIcon = complexityIcons[chunk.complexity] || '';
+                        const tLabel = thinkingLabels[chunk.thinking] || '';
+                        let badgeHTML = `<span class="thinking-badge-level">${modelLabel}</span>`;
+                        if (cIcon && tLabel) badgeHTML += ` · ${cIcon} ${tLabel}`;
+                        badgeHTML += ` · <span class="thinking-badge-time">${latencySec}s</span> · <span class="thinking-badge-cost">${costStr}</span>`;
                         if (currentModel === 'flash') {
                             badgeHTML += ` · <a href="#" class="pro-upgrade-hint" onclick="event.preventDefault(); setModel('pro');" title="Przełącz na Gemini 3 Pro dla lepszych odpowiedzi">Lepsze odpowiedzi? <strong>Spróbuj Pro</strong> 🧠</a>`;
                         }