feat: unify docs portal and MCP servers into one config-driven service

- add config.yml as single source of truth for collected repos/categories
- add collect.py CLI to pull lib/api/wiki site builds and mcp bundles from
  source repos and regenerate nginx.conf + _index/index.html
- port mcp runtime (main.py/core.py/config.py): nginx + health + FastMCP
  servers started from config.yml
- docker: python:3.13-slim + nginx, expose 8000-8006 + 9000 (html portal)
- drone: publish html (6007:9000) and MCP ports 8000-8006
- move mongo-ops docs to wiki/, add auth-server (api) and hexa (lib)
- refresh lib site builds (lib/ prefix) and collect mcp bundles

main.py

@@ -0,0 +1,121 @@
+#!/usr/bin/env python
+"""aetos-docs runtime entrypoint.
+
+Starts nginx (HTML portal on html_port), a /healthz server (health_port),
+and one FastMCP streamable-http server per repo that declares an MCP bundle.
+"""
+from __future__ import annotations
+
+import argparse
+import multiprocessing
+import shutil
+import subprocess
+import sys
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from pathlib import Path
+
+from config import MCPBundle, load_config
+from core import MCPServer
+
+APP_ROOT = Path(__file__).resolve().parent
+CONFIG_FILE = APP_ROOT / "config.yml"
+
+
+# ── nginx ────────────────────────────────────────────────────────────────────
+
+
+def start_nginx() -> subprocess.Popen | None:
+    """Validate config and start nginx in the background."""
+    if shutil.which("nginx") is None:
+        print("[NGINX] binary not found; skipping web portal (local dev)", flush=True)
+        return None
+    result = subprocess.run(
+        ["nginx", "-t"],
+        capture_output=True,
+        text=True,
+    )
+    if result.returncode != 0:
+        print(f"[NGINX] config test failed:\n{result.stderr}", file=sys.stderr, flush=True)
+        sys.exit(1)
+    proc = subprocess.Popen(["nginx"])
+    print("[NGINX] started", flush=True)
+    return proc
+
+
+# ── health ───────────────────────────────────────────────────────────────────
+
+
+def run_health_server(port: int) -> None:
+    class Handler(BaseHTTPRequestHandler):
+        def do_GET(self) -> None:
+            if self.path == "/healthz":
+                self.send_response(200)
+                self.end_headers()
+                self.wfile.write(b"ok")
+            else:
+                self.send_response(404)
+                self.end_headers()
+
+        def log_message(self, format: str, *args: object) -> None:  # noqa: A002
+            return  # silence logs
+
+    server = HTTPServer(("0.0.0.0", port), Handler)
+    print(f"[HEALTH] listening on :{port}", flush=True)
+    server.serve_forever()
+
+
+# ── MCP server ───────────────────────────────────────────────────────────────
+
+
+def run_server(name: str, bundle: MCPBundle) -> None:
+    print(f"[START] {name} starting", flush=True)
+    server = MCPServer(bundle)
+    server.app.run(transport="streamable-http")
+    print(f"[EXIT] {name} exited", flush=True)
+
+
+# ── main ─────────────────────────────────────────────────────────────────────
+
+
+def main() -> None:
+    config = load_config(CONFIG_FILE)
+
+    # nginx
+    start_nginx()
+
+    # health
+    health = multiprocessing.Process(
+        target=run_health_server,
+        args=(config.health_port,),
+        daemon=True,
+    )
+    health.start()
+
+    # MCP servers
+    bundles = config.mcp_servers
+
+    parser = argparse.ArgumentParser(description="aetos-docs runtime")
+    parser.add_argument(
+        "--servers",
+        help=f"Comma-separated server names ({', '.join(bundles)})",
+    )
+    args = parser.parse_args()
+
+    names = [s.strip() for s in args.servers.split(",")] if args.servers else list(bundles)
+    for name in names:
+        if name not in bundles:
+            print(f"Unknown server: {name}  (available: {', '.join(bundles)})", file=sys.stderr)
+            sys.exit(1)
+
+    processes: list[multiprocessing.Process] = []
+    for name in names:
+        p = multiprocessing.Process(target=run_server, args=(name, bundles[name]))
+        p.start()
+        processes.append(p)
+
+    for p in processes:
+        p.join()
+
+
+if __name__ == "__main__":
+    main()