Add logs view for timer functions

- Create new database table `timer_function_invocations` to track function executions
- Implement `/logs/<function_id>` route in timer routes to fetch and display invocation logs
- Add new logs template for timer functions with detailed invocation information
- Update header templates to include logs URL for timer functions

templates/dashboard/timer_functions/edit.html

@@ -10,7 +10,8 @@ show_logs=True,
 show_client=False,
 show_history=True,
 edit_url=url_for('timer.edit', function_id=function_id),
-cancel_url=url_for('timer.overview')) }}
+cancel_url=url_for('timer.overview'),
+logs_url=url_for('timer.logs', function_id=function_id)) }}
 
 
 <div id="app" class="p-1">

templates/dashboard/timer_functions/logs.html

@@ -0,0 +1,72 @@
+{% extends 'dashboard.html' %}
+
+{% block page %}
+
+{{ render_partial('dashboard/http_functions/header.html', user_id=user_id, function_id=function_id,
+active_tab='logs',
+show_edit_form=True,
+show_logs=True,
+show_history=True,
+edit_url=url_for('timer.edit', function_id=function_id),
+cancel_url=url_for('timer.overview'),
+logs_url=url_for('timer.logs', function_id=function_id)) }}
+
+<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+    <div class="bg-white rounded-lg shadow-sm border border-gray-200 overflow-hidden">
+        <!-- Headers -->
+        <div class="grid md:grid-cols-3 gap-4 bg-gray-50 p-4 border-b border-gray-200">
+            <div class="font-semibold text-gray-600 md:block hidden">Invocation Time</div>
+            <div class="font-semibold text-gray-600 md:block hidden">Status</div>
+            <div class="font-semibold text-gray-600 md:block hidden">Logs</div>
+        </div>
+
+        <!-- Data Rows -->
+        {% for invocation in timer_function_invocations %}
+        <div
+            class="grid md:grid-cols-3 gap-4 p-4 hover:bg-gray-50 transition-colors duration-150 border-b border-gray-200">
+            <!-- Timestamp -->
+            <div class="flex items-center space-x-2">
+                <div class="flex flex-col">
+                    <span class="text-sm text-gray-900">{{ invocation.invocation_time.strftime('%Y-%m-%d %H:%M:%S')
+                        }}</span>
+                    <span
+                        class="inline-flex items-center w-fit px-2 py-1 text-xs font-medium bg-blue-100 text-blue-700 rounded-full">
+                        v{{ invocation.version_number }}
+                    </span>
+                </div>
+            </div>
+
+            <!-- Status -->
+            <div class="flex items-center">
+                <div
+                    class="{{ 'bg-green-100 text-green-700' if invocation.status == 'SUCCESS' else 'bg-red-100 text-red-700' }} px-3 py-1 rounded-full text-sm">
+                    {{ invocation.status }}
+                </div>
+            </div>
+
+            <!-- Logs -->
+            <div class="bg-gray-50 rounded-lg p-3 overflow-auto max-h-40">
+                <pre class="text-sm font-mono text-gray-600 whitespace-pre-wrap">{{ invocation.logs }}</pre>
+                {% if not invocation.logs %}
+                <div class="text-sm text-gray-400 italic">No logs available</div>
+                {% endif %}
+            </div>
+        </div>
+        {% endfor %}
+
+        {% if not timer_function_invocations %}
+        <div class="p-8 text-center">
+            <div class="text-gray-400">
+                <svg class="mx-auto h-12 w-12" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                        d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
+                </svg>
+            </div>
+            <h3 class="mt-2 text-sm font-medium text-gray-900">No logs found</h3>
+            <p class="mt-1 text-sm text-gray-500">No timer function invocations have been recorded yet.</p>
+        </div>
+        {% endif %}
+    </div>
+</div>
+
+{% endblock %}