feat: agent platform initial commit

- FastAPI + HTMX UI: dashboard, agents CRUD, chat, audit, tools
- SQLite schema: agents, conversations, messages, audit, sessions
- Code-agent sync (agents/*.py -> DB on startup)
- MCP client with health check
- Token auth (Bearer + session)
- LiteLLM integration via llm.py
- Docker Compose: agent-platform + mcp-tools services
- Smoke tests pass: /health 200, /api/agents 200, / 401

agent_platform/templates/dashboard.html

@@ -0,0 +1,69 @@
+{% extends "base.html" %}
+
+{% block title %}Dashboard – Agent Platform{% endblock %}
+
+{% block content %}
+<div class="page-header">
+    <h1>Dashboard</h1>
+    <p class="subtitle">Übersicht aller Agents und recent Aktivitäten</p>
+</div>
+
+<section class="card">
+    <h2>Agents ({{ agents|length }})</h2>
+    {% if agents %}
+    <table class="table">
+        <thead>
+            <tr>
+                <th>ID</th>
+                <th>Name</th>
+                <th>Beschreibung</th>
+                <th>Status</th>
+                <th>Aktion</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for agent in agents %}
+            <tr>
+                <td><code>{{ agent.id }}</code></td>
+                <td>{{ agent.name }}</td>
+                <td>{{ agent.description }}</td>
+                <td>
+                    {% if agent.enabled %}
+                        <span class="badge badge-green">aktiv</span>
+                    {% else %}
+                        <span class="badge badge-red">inaktiv</span>
+                    {% endif %}
+                </td>
+                <td><a href="/agents/{{ agent.id }}" class="btn btn-sm">Details</a></td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+    {% else %}
+    <div class="empty-state">
+        <p>Noch keine Agents angelegt.</p>
+        <a href="/agents" class="btn btn-primary">Ersten Agent erstellen</a>
+    </div>
+    {% endif %}
+</section>
+
+<section class="card">
+    <h2>Schnellstart</h2>
+    <form hx-post="/api/chat" hx-target="#chat-result" class="form">
+        <div class="form-group">
+            <label for="agent_id">Agent wählen</label>
+            <select name="agent_id" id="agent_id" required>
+                {% for agent in agents %}
+                <option value="{{ agent.id }}">{{ agent.name }}</option>
+                {% endfor %}
+            </select>
+        </div>
+        <div class="form-group">
+            <label for="message">Nachricht</label>
+            <textarea name="message" id="message" rows="3" required placeholder="Deine Nachricht an den Agent..."></textarea>
+        </div>
+        <button type="submit" class="btn btn-primary">Senden</button>
+    </form>
+    <div id="chat-result"></div>
+</section>
+{% endblock %}