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fix(acp): complete session management surface for editor clients (salvage #3501) (#3675)

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* fix acp adapter session methods

* test: stub local command in transcription provider cases

---------

Co-authored-by: David Zhang <david.d.zhang@gmail.com>
This commit is contained in:
Teknium 2026-03-28 23:45:53 -07:00 • committed by GitHub
parent 4c532c153b
commit 4764e06fde
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GPG key ID: B5690EEEBB952194
5 changed files with 144 additions and 5 deletions
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2
acp_adapter/entry.py
View file

@ -74,7 +74,7 @@ def main() -> None:
agent = HermesACPAgent()
try:
asyncio.run(acp.run_agent(agent))
asyncio.run(acp.run_agent(agent, use_unstable_protocol=True))
except KeyboardInterrupt:
logger.info("Shutting down (KeyboardInterrupt)")
except Exception:

49
acp_adapter/server.py
View file

@ -25,6 +25,9 @@ from acp.schema import (
NewSessionResponse,
PromptResponse,
ResumeSessionResponse,
SetSessionConfigOptionResponse,
SetSessionModelResponse,
SetSessionModeResponse,
ResourceContentBlock,
SessionCapabilities,
SessionForkCapabilities,
@ -94,11 +97,14 @@ class HermesACPAgent(acp.Agent):
async def initialize(
self,
protocol_version: int,
protocol_version: int | None = None,
client_capabilities: ClientCapabilities | None = None,
client_info: Implementation | None = None,
**kwargs: Any,
) -> InitializeResponse:
resolved_protocol_version = (
protocol_version if isinstance(protocol_version, int) else acp.PROTOCOL_VERSION
)
provider = detect_provider()
auth_methods = None
if provider:
@ -111,7 +117,11 @@ class HermesACPAgent(acp.Agent):
]
client_name = client_info.name if client_info else "unknown"
logger.info("Initialize from %s (protocol v%s)", client_name, protocol_version)
logger.info(
"Initialize from %s (protocol v%s)",
client_name,
resolved_protocol_version,
)
return InitializeResponse(
protocol_version=acp.PROTOCOL_VERSION,
@ -471,7 +481,7 @@ class HermesACPAgent(acp.Agent):
async def set_session_model(
self, model_id: str, session_id: str, **kwargs: Any
):
) -> SetSessionModelResponse | None:
"""Switch the model for a session (called by ACP protocol)."""
state = self.session_manager.get_session(session_id)
if state:
@ -489,4 +499,37 @@ class HermesACPAgent(acp.Agent):
)
self.session_manager.save_session(session_id)
logger.info("Session %s: model switched to %s", session_id, model_id)
return SetSessionModelResponse()
logger.warning("Session %s: model switch requested for missing session", session_id)
return None
async def set_session_mode(
self, mode_id: str, session_id: str, **kwargs: Any
) -> SetSessionModeResponse | None:
"""Persist the editor-requested mode so ACP clients do not fail on mode switches."""
state = self.session_manager.get_session(session_id)
if state is None:
logger.warning("Session %s: mode switch requested for missing session", session_id)
return None
setattr(state, "mode", mode_id)
self.session_manager.save_session(session_id)
logger.info("Session %s: mode switched to %s", session_id, mode_id)
return SetSessionModeResponse()
async def set_config_option(
self, config_id: str, session_id: str, value: str, **kwargs: Any
) -> SetSessionConfigOptionResponse | None:
"""Accept ACP config option updates even when Hermes has no typed ACP config surface yet."""
state = self.session_manager.get_session(session_id)
if state is None:
logger.warning("Session %s: config update requested for missing session", session_id)
return None
options = getattr(state, "config_options", None)
if not isinstance(options, dict):
options = {}
options[str(config_id)] = value
setattr(state, "config_options", options)
self.session_manager.save_session(session_id)
logger.info("Session %s: config option %s updated", session_id, config_id)
return SetSessionConfigOptionResponse(config_options=[])