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feat: enable persistent shell by default for SSH, add config option

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SSH persistent shell now defaults to true — non-local backends benefit
most from state persistence across execute() calls. Local backend
remains opt-in via TERMINAL_LOCAL_PERSISTENT env var.

New config.yaml option: terminal.persistent_shell (default: true)
Controls the default for non-local backends. Users can disable with:
  hermes config set terminal.persistent_shell false

Precedence: per-backend env var > TERMINAL_PERSISTENT_SHELL > default.

Wired through cli.py, gateway/run.py, and hermes_cli/config.py so the
config.yaml value reaches terminal_tool via env var bridge.
This commit is contained in:
teknium1 2026-03-15 20:17:13 -07:00
parent 5b80654198
commit 33ebedc76d
5 changed files with 33 additions and 3 deletions
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8
tools/terminal_tool.py
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@ -505,7 +505,13 @@ def _get_env_config() -> Dict[str, Any]:
"ssh_user": os.getenv("TERMINAL_SSH_USER", ""),
"ssh_port": _parse_env_var("TERMINAL_SSH_PORT", "22"),
"ssh_key": os.getenv("TERMINAL_SSH_KEY", ""),
"ssh_persistent": os.getenv("TERMINAL_SSH_PERSISTENT", "false").lower() in ("true", "1", "yes"),
# Persistent shell: SSH defaults to the config-level persistent_shell
# setting (true by default for non-local backends); local is always opt-in.
# Per-backend env vars override if explicitly set.
"ssh_persistent": os.getenv(
"TERMINAL_SSH_PERSISTENT",
os.getenv("TERMINAL_PERSISTENT_SHELL", "true"),
).lower() in ("true", "1", "yes"),
"local_persistent": os.getenv("TERMINAL_LOCAL_PERSISTENT", "false").lower() in ("true", "1", "yes"),
# Container resource config (applies to docker, singularity, modal, daytona -- ignored for local/ssh)
"container_cpu": _parse_env_var("TERMINAL_CONTAINER_CPU", "1", float, "number"),