feat: add AI hashtag generation and AI engine info to social publisher

- New generate_hashtags() method in SocialPublisherService
- New /social-publisher/generate-hashtags AJAX endpoint
- "Generuj hashtagi AI" button next to hashtags field
- Small print info about AI engine (Gemini 3 Flash) with note
  about future model selection

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

blueprints/admin/routes_social_publisher.py

@@ -370,6 +370,27 @@ def social_publisher_generate():
         return jsonify({'success': False, 'error': 'Nie udalo sie wygenerowac tresci. Sprobuj ponownie lub wpisz tresc recznie.'}), 500
 
 
+@bp.route('/social-publisher/generate-hashtags', methods=['POST'])
+@login_required
+@role_required(SystemRole.MANAGER)
+def social_publisher_generate_hashtags():
+    """Generuj hashtagi AI na podstawie tresci posta (AJAX endpoint)."""
+    from services.social_publisher_service import social_publisher
+
+    content = request.json.get('content', '').strip()
+    post_type = request.json.get('post_type', '')
+
+    if not content:
+        return jsonify({'success': False, 'error': 'Wpisz najpierw tresc posta, aby wygenerowac hashtagi.'}), 400
+
+    try:
+        hashtags, model = social_publisher.generate_hashtags(content, post_type)
+        return jsonify({'success': True, 'hashtags': hashtags, 'model': model})
+    except Exception as e:
+        logger.error(f"Hashtag generation failed: {e}")
+        return jsonify({'success': False, 'error': 'Nie udalo sie wygenerowac hashtagow. Sprobuj ponownie.'}), 500
+
+
 # ============================================================
 # SOCIAL PUBLISHER - SETTINGS (per company)
 # ============================================================

services/social_publisher_service.py

@@ -410,6 +410,35 @@ class SocialPublisherService:
 
         return result.strip(), 'gemini-3-flash'
 
+    def generate_hashtags(self, content: str, post_type: str = '') -> Tuple[str, str]:
+        """Generate hashtags for given post content using AI.
+
+        Returns:
+            (hashtags: str, ai_model: str)
+        """
+        prompt = f"""Na podstawie poniższej treści posta na Facebook Izby Gospodarczej NORDA Biznes,
+wygeneruj 5-8 trafnych hashtagów.
+
+Treść posta:
+{content}
+
+Zasady:
+- Zawsze uwzględnij #NordaBiznes i #IzbaGospodarcza
+- Dodaj hashtagi branżowe i lokalne (#Wejherowo, #Pomorze, #Kaszuby)
+- Hashtagi powinny zwiększać zasięg i widoczność posta
+- Każdy hashtag zaczynaj od #, oddzielaj spacjami
+- Odpowiedz WYŁĄCZNIE hashtagami, nic więcej"""
+
+        from gemini_service import generate_text
+        result = generate_text(prompt)
+
+        if not result:
+            raise RuntimeError("AI nie wygenerował hashtagów. Spróbuj ponownie.")
+
+        # Clean up - ensure only hashtags
+        tags = ' '.join(w for w in result.strip().split() if w.startswith('#'))
+        return tags, 'gemini-3-flash'
+
     def get_company_context(self, company_id: int) -> dict:
         """Get company data for AI prompt context."""
         db = SessionLocal()

templates/admin/social_publisher_form.html

@@ -101,6 +101,39 @@
         cursor: wait;
     }
 
+    .btn-generate-sm {
+        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+        color: white;
+        border: none;
+        cursor: pointer;
+        font-size: var(--font-size-xs);
+        padding: var(--spacing-xs) var(--spacing-sm);
+        border-radius: var(--radius);
+    }
+
+    .btn-generate-sm:hover {
+        opacity: 0.9;
+    }
+
+    .btn-generate-sm:disabled {
+        opacity: 0.6;
+        cursor: wait;
+    }
+
+    .ai-engine-info {
+        font-size: 11px;
+        color: var(--text-tertiary, #9ca3af);
+        margin-top: var(--spacing-xs);
+        line-height: 1.4;
+    }
+
+    .hashtag-header {
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+        gap: var(--spacing-sm);
+    }
+
     .status-info {
         background: var(--background);
         padding: var(--spacing-md);
@@ -293,11 +326,23 @@
 
             <!-- Hashtagi -->
             <div class="form-group">
-                <label for="hashtags">Hashtagi</label>
+                <div class="hashtag-header">
+                    <label for="hashtags">Hashtagi</label>
+                    <button type="button" id="btn-generate-hashtags" class="btn-generate-sm">
+                        Generuj hashtagi AI
+                    </button>
+                </div>
                 <input type="text" id="hashtags" name="hashtags"
                        value="{{ post.hashtags if post else '' }}"
                        placeholder="#NordaBiznes #Wejherowo #Pomorze">
                 <p class="form-hint">Hashtagi oddzielone spacjami</p>
+                <div id="hashtag-error-msg" style="display:none; padding: var(--spacing-xs) var(--spacing-sm); margin-top: var(--spacing-xs); border-radius: var(--radius); background: var(--error-bg, #fef2f2); color: var(--error, #dc2626); border: 1px solid var(--error, #dc2626); font-size: var(--font-size-xs);"></div>
+            </div>
+
+            <!-- Info o silniku AI -->
+            <div class="ai-engine-info">
+                Generowanie tresc i hashtagow: <strong>Google Gemini 3 Flash</strong> (model: gemini-3-flash-preview).
+                Obecnie jest to jedyny dostepny silnik AI. W przyszlosci planowane jest dodanie wyboru miedzy modelami (np. GPT, Claude).
             </div>
 
             <!-- Akcje -->
@@ -429,6 +474,50 @@
         }
     });
 
+    // Hashtag generation
+    document.getElementById('btn-generate-hashtags')?.addEventListener('click', async function() {
+        const content = document.getElementById('content').value.trim();
+        const errEl = document.getElementById('hashtag-error-msg');
+
+        if (!content) {
+            errEl.textContent = 'Wpisz najpierw tresc posta, aby wygenerowac hashtagi.';
+            errEl.style.display = 'block';
+            return;
+        }
+
+        errEl.style.display = 'none';
+        this.disabled = true;
+        this.textContent = 'Generowanie...';
+
+        try {
+            const resp = await fetch("{{ url_for('admin.social_publisher_generate_hashtags') }}", {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                    'X-CSRFToken': document.querySelector('[name=csrf_token]')?.value || ''
+                },
+                body: JSON.stringify({
+                    content: content,
+                    post_type: document.getElementById('post_type')?.value || ''
+                })
+            });
+            const data = await resp.json();
+            if (data.success) {
+                document.getElementById('hashtags').value = data.hashtags;
+                errEl.style.display = 'none';
+            } else {
+                errEl.textContent = data.error || 'Nie udalo sie wygenerowac hashtagow.';
+                errEl.style.display = 'block';
+            }
+        } catch (err) {
+            errEl.textContent = 'Blad polaczenia z serwerem.';
+            errEl.style.display = 'block';
+        } finally {
+            this.disabled = false;
+            this.textContent = 'Generuj hashtagi AI';
+        }
+    });
+
     // Show/hide context fields based on post type
     document.getElementById('post_type')?.addEventListener('change', function() {
         const type = this.value;