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feat(hermes): support native and CLI-wrapped Relay execution #75

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bbednarski9 wants to merge 4 commits into from
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feat(hermes): support native and CLI-wrapped Relay execution #75

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20884c8
feat(hermes): add Relay 0.6 dual launch modes
bbednarski9 Jul 15, 2026
2ba7e75
feat(relay): accept canonical plugin config files
bbednarski9 Jul 15, 2026
76a0ed0
fix(hermes): preserve max tokens across launch modes
bbednarski9 Jul 15, 2026
678988c
fix(hermes): isolate relay CLI plugin state
bbednarski9 Jul 16, 2026
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
/.env
/.env.*
!.env.example
/local-overlays/

__pycache__/
*.py[cod]
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8 changes: 6 additions & 2 deletions adapters/common/src/nemo_fabric_adapters/common/relay_gateway.py
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Expand Up @@ -60,7 +60,7 @@ def find_available_tcp_port(host: str = "127.0.0.1") -> int:


def relay_cli_observability_version(executable: Path) -> int:
"""Return the observability config version accepted by a Relay CLI."""
"""Require a Relay CLI compatible with Fabric's observability v2 contract."""

try:
completed = subprocess.run(
Expand All @@ -79,7 +79,11 @@ def relay_cli_observability_version(executable: Path) -> int:
if completed.returncode != 0 or match is None:
raise RelayGatewayError("NeMo Relay CLI version could not be determined")
major, minor, _ = (int(value) for value in match.groups())
return 2 if (major, minor) >= (0, 6) else 1
if (major, minor) < (0, 6):
raise RelayGatewayError(
"NeMo Relay 0.6 or newer is required; observability version 1 is unsupported"
)
return 2


def wait_for_relay_gateway(
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