Initial SFERA platform baseline

AGENTS.md

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+# AGENTS.md instructions for SFERA
+
+## Shared Test Docker Host
+
+- Test and stand verification must be done on the shared Docker host, not on a local Docker Engine.
+- Use SSH alias `test-docker` / `docker-test`.
+- Host: `docker-test.cin.su` (`192.168.200.61`).
+- SSH user: `test`.
+- Preferred Docker endpoint when Docker CLI is available: `ssh://test-docker`.
+- Deploy both backend/server services and frontend services on `docker-test` for integrated testing.
+- Portainer: `http://docker-test.cin.su:9000/`, user `admin`.
+- Do not store the password in repositories or project files; use an SSH key for persistent access.
+
+## Local Workspace Path
+
+- The project is available locally at `Z:\codex\SFERA`.
+- `Z:\codex\SFERA` is a mapped network folder for `\\nas\MST\codex\SFERA`.
+- Prefer `Z:\codex\SFERA` for Windows tooling and frontend commands.
+- Do not fall back to UNC current directories for npm/cmd workflows; Windows `cmd.exe` does not support UNC current directories reliably.
+