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/tools.html

@@ -0,0 +1,46 @@
+{% extends "base.html" %}
+
+{% block title %}MCP Tools – Agent Platform{% endblock %}
+
+{% block content %}
+<div class="page-header">
+    <h1>MCP Tool-Server</h1>
+    <p class="subtitle">
+        Status:
+        {% if reachable %}
+            <span class="badge badge-green">erreichbar</span>
+        {% else %}
+            <span class="badge badge-red">nicht erreichbar</span>
+            {% if error %}<br><small>{{ error }}</small>{% endif %}
+        {% endif %}
+    </p>
+</div>
+
+<section class="card">
+    <h2>Verfügbare Tools ({{ tools|length }})</h2>
+    {% if tools %}
+    <div class="tools-grid">
+        {% for tool in tools %}
+        <div class="tool-card">
+            <h3><code>{{ tool.name }}</code></h3>
+            <p>{{ tool.description }}</p>
+            {% if tool.inputSchema %}
+            <details>
+                <summary>Schema</summary>
+                <pre><code>{{ tool.inputSchema | tojson(indent=2) }}</code></pre>
+            </details>
+            {% endif %}
+        </div>
+        {% endfor %}
+    </div>
+    {% else %}
+    <p class="empty-state">
+        {% if reachable %}
+            MCP-Server erreichbar, aber keine Tools registriert.
+        {% else %}
+            MCP-Server nicht erreichbar. Prüfe die Konfiguration.
+        {% endif %}
+    </p>
+    {% endif %}
+</section>
+{% endblock %}