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/agent_form.html

@@ -0,0 +1,95 @@
+{% extends "base.html" %}
+
+{% block title %}{% if agent %}Agent bearbeiten{% else %}Neuer Agent{% endif %} – Agent Platform{% endblock %}
+
+{% block content %}
+<div class="page-header">
+    <h1>{% if agent %}{{ agent.name }}{% else %}Neuer Agent{% endif %}</h1>
+    <a href="/agents" class="btn">Zurück</a>
+</div>
+
+<form {% if agent %}hx-put="/api/agents/{{ agent.id }}"{% else %}hx-post="/api/agents"{% endif %} hx-target="#result" hx-swap="innerHTML" class="card form">
+
+    <div class="form-group">
+        <label>ID (nur Kleinbuchstaben, Zahlen, _ und -)</label>
+        {% if agent %}
+            <input type="text" value="{{ agent.id }}" readonly>
+        {% else %}
+            <input type="text" name="id" required pattern="^[a-z0-9_-]+$" placeholder="mein_agent">
+        {% endif %}
+    </div>
+
+    <div class="form-group">
+        <label>Name (Anzeigename)</label>
+        <input type="text" name="name" required value="{{ agent.name if agent else '' }}">
+    </div>
+
+    <div class="form-group">
+        <label>Beschreibung</label>
+        <input type="text" name="description" value="{{ agent.description if agent else '' }}">
+    </div>
+
+    <div class="form-group">
+        <label>System-Prompt</label>
+        <textarea name="system_prompt" rows="6" required>{{ agent.system_prompt if agent else '' }}</textarea>
+    </div>
+
+    <div class="form-group">
+        <label>Erlaubte Tools (Mehrfachauswahl)</label>
+        <div class="checkbox-group">
+            {% set selected = agent.allowed_tools if agent else [] %}
+            {% if available_tools %}
+                {% for tool in available_tools %}
+                <label class="checkbox-label">
+                    <input type="checkbox" name="allowed_tools" value="{{ tool.name }}" {% if tool.name in selected %}checked{% endif %}>
+                    <code>{{ tool.name }}</code>
+                </label>
+                {% endfor %}
+            {% else %}
+                <input type="text" name="allowed_tools_csv" placeholder="tool1,tool2 (MCP nicht erreichbar)" value="{{ selected|join(',') }}">
+            {% endif %}
+        </div>
+        <small>Verfügbare Tools vom MCP-Server. Falls nicht erreichbar, manuell als CSV.</small>
+    </div>
+
+    <div class="form-row">
+        <div class="form-group" style="flex:1">
+            <label>LLM-Modell (leer = Default aus Config)</label>
+            <input type="text" name="model" placeholder="z.B. anthropic/claude-sonnet-4.5" value="{{ agent.model if agent and agent.model else '' }}">
+        </div>
+        <div class="form-group" style="width:120px">
+            <label>Temperature</label>
+            <input type="number" name="temperature" step="0.1" min="0" max="2" value="{{ agent.temperature if agent else 0.7 }}">
+        </div>
+        <div class="form-group" style="width:140px">
+            <label>Max Tokens</label>
+            <input type="number" name="max_tokens" min="100" max="32000" value="{{ agent.max_tokens if agent else 2000 }}">
+        </div>
+    </div>
+
+    <div class="form-group">
+        <label class="checkbox-label">
+            <input type="checkbox" name="enabled" value="true" {% if not agent or agent.enabled %}checked{% endif %}>
+            Aktiv (Agent darf verwendet werden)
+        </label>
+    </div>
+
+    <div class="form-actions">
+        <button type="submit" class="btn btn-primary">{% if agent %}Speichern{% else %}Anlegen{% endif %}</button>
+        <a href="/agents" class="btn">Abbrechen</a>
+    </div>
+
+    <div id="result"></div>
+</form>
+
+{% if agent %}
+<section class="card">
+    <h2>Chat testen</h2>
+    <form hx-post="/api/chat/{{ agent.id }}" hx-target="#chat-result" hx-swap="innerHTML" class="form">
+        <textarea name="message" rows="3" required placeholder="Hallo, was kannst du?"></textarea>
+        <button type="submit" class="btn">Senden</button>
+    </form>
+    <div id="chat-result"></div>
+</section>
+{% endif %}
+{% endblock %}