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/pyproject.toml

@@ -0,0 +1,27 @@
+[project]
+name = "agent-platform"
+version = "0.1.0"
+description = "Business-taugliche Agent-Plattform mit LiteLLM + Pydantic AI + MCP"
+requires-python = ">=3.12"
+dependencies = [
+    "fastapi>=0.115",
+    "uvicorn[standard]>=0.32",
+    "litellm>=1.50",
+    "pydantic-ai>=0.4",
+    "jinja2>=3.1",
+    "python-multipart>=0.0.12",
+    "aiosqlite>=0.20",
+    "httpx>=0.27",
+    "mcp>=1.0",
+]
+
+[build-system]
+requires = ["setuptools>=68"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools]
+py-modules = ["agent", "llm", "db", "audit", "auth", "config", "api", "mcp_client"]
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["agents*"]