feat: implement Actions Gallery with character integration and triple LoRA chaining

- Added Actions gallery with CRUD and JSON sync
- Implemented Triple LoRA workflow (Character -> Outfit -> Action)
- Added character-integrated previews for Actions with style matching
- Implemented granular prompt selection and default persistence for Actions
- Added detailed development guide for extending gallery features

templates/actions/index.html

@@ -0,0 +1,41 @@
+{% extends "layout.html" %}
+
+{% block content %}
+<div class="d-flex justify-content-between align-items-center mb-4">
+    <h2>Action Gallery</h2>
+    <div class="d-flex">
+        <a href="{{ url_for('create_action') }}" class="btn btn-success me-2">Create New Action</a>
+        <form action="{{ url_for('rescan_actions') }}" method="post">
+            <button type="submit" class="btn btn-outline-primary">Rescan Action Files</button>
+        </form>
+    </div>
+</div>
+
+<div class="row row-cols-1 row-cols-sm-2 row-cols-md-3 row-cols-lg-4 g-4">
+    {% for action in actions %}
+    <div class="col" id="card-{{ action.slug }}">
+        <div class="card h-100 character-card" onclick="window.location.href='/action/{{ action.slug }}'">
+            <div class="img-container">
+                {% if action.image_path %}
+                <img id="img-{{ action.slug }}" src="{{ url_for('static', filename='uploads/' + action.image_path) }}" alt="{{ action.name }}">
+                <span id="no-img-{{ action.slug }}" class="text-muted d-none">No Image</span>
+                {% else %}
+                <img id="img-{{ action.slug }}" src="" alt="{{ action.name }}" class="d-none">
+                <span id="no-img-{{ action.slug }}" class="text-muted">No Image</span>
+                {% endif %}
+            </div>
+            <div class="card-body">
+                <h5 class="card-title text-center">{{ action.name }}</h5>
+                <p class="card-text small text-center text-muted">{{ action.data.tags | join(', ') }}</p>
+            </div>
+            {% if action.data.lora and action.data.lora.lora_name %}
+            {% set lora_name = action.data.lora.lora_name.split('/')[-1].replace('.safetensors', '') %}
+            <div class="card-footer text-center p-1">
+                <small class="text-muted" title="{{ action.data.lora.lora_name }}">{{ lora_name }}</small>
+            </div>
+            {% endif %}
+        </div>
+    </div>
+    {% endfor %}
+</div>
+{% endblock %}