feat(keystore,api,ui,docker): encrypted secrets store with a write-only admin page and a secret run helper for the model

pyproject.toml

@@ -16,6 +16,7 @@ dependencies = [
     "argon2-cffi>=25.1.0",
     "claude-agent-sdk>=0.2.157",
     "croniter>=6.2.4",
+    "cryptography>=48.0.0",
     "fastapi>=0.136.1",
     "fastmcp>=3.3.1",
     "greenlet>=3.5.0",