305 lines
11 KiB
Python
305 lines
11 KiB
Python
"""Config loader for per-sandbox Beaver runtime settings."""
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from __future__ import annotations
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import json
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import os
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import sys
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from pathlib import Path
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from typing import Any
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from .schema import (
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AgentDefaultsConfig,
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AuthzConfig,
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BackendIdentityConfig,
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BeaverConfig,
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ChannelConfig,
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EmbeddingConfig,
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MCPServerConfig,
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ProviderConfig,
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ToolsConfig,
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)
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LOCAL_MCP_CATEGORIES: dict[str, dict[str, str]] = {
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"local_filesystem_mcp": {"category": "filesystem", "display_name": "个人智能体文件系统工具"},
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"local_runtime_mcp": {"category": "runtime", "display_name": "本地运行工具"},
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"local_memory_mcp": {"category": "memory", "display_name": "本地记忆工具"},
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"local_skills_mcp": {"category": "skills", "display_name": "本地技能工具"},
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"local_coordination_mcp": {"category": "coordination", "display_name": "本地协作工具"},
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"local_scheduler_mcp": {"category": "scheduler", "display_name": "本地定时工具"},
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"local_web_mcp": {"category": "web", "display_name": "本地联网工具"},
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}
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def default_config_path(*, workspace: str | Path | None = None) -> Path:
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"""Resolve the default config path for a single-user sandbox instance.
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Priority:
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1. `BEAVER_CONFIG_PATH`
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2. `BEAVER_HOME/config.json`
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3. `<workspace>/.beaver/config.json`
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4. `./.beaver/config.json`
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"""
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explicit = os.getenv("BEAVER_CONFIG_PATH")
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if explicit:
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return Path(explicit).expanduser()
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beaver_home = os.getenv("BEAVER_HOME")
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if beaver_home:
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return Path(beaver_home).expanduser() / "config.json"
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root = Path(workspace).expanduser() if workspace is not None else Path.cwd()
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return root / ".beaver" / "config.json"
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def load_config(
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*,
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workspace: str | Path | None = None,
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config_path: str | Path | None = None,
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) -> BeaverConfig:
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"""Load backend config; missing config is treated as an empty config."""
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path = Path(config_path).expanduser() if config_path is not None else default_config_path(workspace=workspace)
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if not path.exists():
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return BeaverConfig(config_path=path)
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data = json.loads(path.read_text(encoding="utf-8"))
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if not isinstance(data, dict):
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raise ValueError(f"Beaver config must be a JSON object: {path}")
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return BeaverConfig(
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agents_defaults=_parse_agent_defaults(data),
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providers=_parse_providers(data.get("providers")),
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embedding=_parse_embedding(data),
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tools=_parse_tools(data.get("tools")),
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authz=_parse_authz(data.get("authz")),
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channels=_parse_channels(data.get("channels")),
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backend_identity=_parse_backend_identity(data.get("backend_identity") or data.get("backendIdentity")),
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config_path=path,
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)
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def _parse_agent_defaults(data: dict[str, Any]) -> AgentDefaultsConfig:
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agents = _as_dict(data.get("agents"))
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defaults = _as_dict(agents.get("defaults"))
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return AgentDefaultsConfig(
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workspace=_string(defaults.get("workspace") or data.get("workspace")),
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model=_string(defaults.get("model") or data.get("model")),
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provider=_string(defaults.get("provider") or data.get("provider")),
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embedding_model=_string(defaults.get("embeddingModel") or defaults.get("embedding_model") or data.get("embeddingModel")),
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max_tokens=_int(_first_config_value(
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defaults.get("maxTokens"),
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defaults.get("max_tokens"),
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data.get("maxTokens"),
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data.get("max_tokens"),
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)),
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temperature=_float(_first_config_value(defaults.get("temperature"), data.get("temperature"))),
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max_context_messages=_int(
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defaults.get("maxContextMessages")
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or defaults.get("max_context_messages")
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or data.get("maxContextMessages")
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or data.get("max_context_messages")
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),
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max_tool_iterations=_int(_first_config_value(
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defaults.get("maxToolIterations"),
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defaults.get("max_tool_iterations"),
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data.get("maxToolIterations"),
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data.get("max_tool_iterations"),
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)),
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)
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def _parse_providers(raw: Any) -> dict[str, ProviderConfig]:
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providers: dict[str, ProviderConfig] = {}
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for name, payload in _as_dict(raw).items():
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if not isinstance(payload, dict):
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continue
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providers[str(name)] = ProviderConfig(
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api_key=_string(payload.get("apiKey") or payload.get("api_key")),
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api_base=_string(payload.get("apiBase") or payload.get("api_base") or payload.get("baseUrl") or payload.get("base_url")),
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extra_headers=_string_dict(payload.get("extraHeaders") or payload.get("extra_headers") or payload.get("headers")),
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request_timeout_seconds=_float(
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payload.get("requestTimeoutSeconds")
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or payload.get("request_timeout_seconds")
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or payload.get("timeout")
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),
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)
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return providers
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def _parse_embedding(data: dict[str, Any]) -> EmbeddingConfig:
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raw = _as_dict(data.get("embedding") or data.get("embeddings"))
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return EmbeddingConfig(
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provider=_string(raw.get("provider") or raw.get("provider_name")),
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model=_string(raw.get("model") or data.get("embeddingModel") or data.get("embedding_model")),
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api_key=_string(raw.get("apiKey") or raw.get("api_key")),
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api_base=_string(raw.get("apiBase") or raw.get("api_base") or raw.get("baseUrl") or raw.get("base_url")),
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extra_headers=_string_dict(raw.get("extraHeaders") or raw.get("extra_headers") or raw.get("headers")),
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request_timeout_seconds=_float(
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raw.get("requestTimeoutSeconds") or raw.get("request_timeout_seconds") or raw.get("timeout")
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),
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)
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def _parse_tools(raw: Any) -> ToolsConfig:
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data = _as_dict(raw)
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mcp_servers: dict[str, MCPServerConfig] = {}
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for server_id, payload in _as_dict(data.get("mcpServers") or data.get("mcp_servers")).items():
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if not isinstance(payload, dict):
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continue
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mcp_servers[str(server_id)] = MCPServerConfig(
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command=_string(payload.get("command")) or "",
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args=_string_list(payload.get("args")),
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env=_string_dict(payload.get("env")),
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url=_string(payload.get("url")) or "",
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headers=_string_dict(payload.get("headers")),
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auth_mode=(_string(payload.get("authMode") or payload.get("auth_mode")) or "none").lower(),
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auth_audience=_string(payload.get("authAudience") or payload.get("auth_audience")) or "",
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auth_scopes=_string_list(payload.get("authScopes") or payload.get("auth_scopes")),
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tool_timeout=int(_float(payload.get("toolTimeout") or payload.get("tool_timeout")) or 30),
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sensitive=_bool(payload.get("sensitive"), default=False),
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kind=(_string(payload.get("kind")) or ("local" if payload.get("command") else "online")).lower(),
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category=_string(payload.get("category")) or ("local" if payload.get("command") else "online"),
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managed=_bool(payload.get("managed"), default=False),
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display_name=_string(payload.get("displayName") or payload.get("display_name")) or "",
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source=_string(payload.get("source")) or "config",
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)
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for server_id, meta in LOCAL_MCP_CATEGORIES.items():
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if server_id in mcp_servers:
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continue
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mcp_servers[server_id] = MCPServerConfig(
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command=sys.executable or "python",
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args=["-m", "beaver.interfaces.mcp.tools_server", "--category", meta["category"]],
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env={},
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kind="local",
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category=meta["category"],
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managed=True,
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display_name=meta["display_name"],
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source="beaver-default",
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tool_timeout=60,
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)
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return ToolsConfig(
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restrict_to_workspace=_bool(
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data.get("restrictToWorkspace") if "restrictToWorkspace" in data else data.get("restrict_to_workspace"),
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default=True,
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),
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mcp_servers=mcp_servers,
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)
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def _parse_authz(raw: Any) -> AuthzConfig:
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data = _as_dict(raw)
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return AuthzConfig(
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enabled=_bool(data.get("enabled"), default=False),
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base_url=_string(data.get("baseUrl") or data.get("base_url")) or "",
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request_timeout_seconds=int(_float(data.get("requestTimeoutSeconds") or data.get("request_timeout_seconds")) or 10),
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outlook_mcp_url=_string(data.get("outlookMcpUrl") or data.get("outlook_mcp_url")) or "",
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)
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def _parse_channels(raw: Any) -> dict[str, ChannelConfig]:
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channels: dict[str, ChannelConfig] = {}
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for channel_id, payload in _as_dict(raw).items():
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cleaned_id = str(channel_id).strip()
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if not cleaned_id:
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continue
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channels[cleaned_id] = _parse_channel_config(payload)
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return channels
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def _parse_channel_config(payload: Any) -> ChannelConfig:
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data = _as_dict(payload)
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return ChannelConfig(
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enabled=_bool(data.get("enabled"), default=False),
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kind=_string(data.get("kind")) or "",
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mode=_string(data.get("mode")) or "webhook",
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account_id=_string(data.get("accountId") or data.get("account_id")) or "",
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display_name=_string(data.get("displayName") or data.get("display_name")) or "",
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config=_normalize_config_map(data.get("config")),
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secrets=_string_dict(data.get("secrets")),
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)
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def _normalize_config_map(value: Any) -> dict[str, Any]:
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if not isinstance(value, dict):
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return {}
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return {
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_camel_to_snake_key(str(key)): item
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for key, item in value.items()
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if str(key).strip()
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}
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def _camel_to_snake_key(value: str) -> str:
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result: list[str] = []
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for char in value:
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if char.isupper() and result:
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result.append("_")
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result.append(char.lower())
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return "".join(result)
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def _parse_backend_identity(raw: Any) -> BackendIdentityConfig:
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data = _as_dict(raw)
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return BackendIdentityConfig(
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backend_id=_string(data.get("backendId") or data.get("backend_id")) or "",
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client_id=_string(data.get("clientId") or data.get("client_id")) or "",
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client_secret=_string(data.get("clientSecret") or data.get("client_secret")) or "",
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name=_string(data.get("name")) or "",
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public_base_url=_string(data.get("publicBaseUrl") or data.get("public_base_url")) or "",
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)
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def _as_dict(value: Any) -> dict[str, Any]:
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return value if isinstance(value, dict) else {}
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def _first_config_value(*values: Any) -> Any:
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for value in values:
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if value not in (None, ""):
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return value
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return None
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def _string(value: Any) -> str | None:
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if value is None:
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return None
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value = str(value).strip()
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return value or None
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def _string_dict(value: Any) -> dict[str, str]:
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if not isinstance(value, dict):
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return {}
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return {str(key): str(item) for key, item in value.items() if item is not None}
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def _string_list(value: Any) -> list[str]:
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if not isinstance(value, list):
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return []
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return [str(item) for item in value if str(item).strip()]
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def _float(value: Any) -> float | None:
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if value in (None, ""):
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return None
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return float(value)
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def _int(value: Any) -> int | None:
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parsed = _float(value)
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if parsed is None:
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return None
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return int(parsed)
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def _bool(value: Any, *, default: bool) -> bool:
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if isinstance(value, bool):
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return value
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if value in (None, ""):
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return default
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if isinstance(value, str):
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return value.strip().lower() in {"1", "true", "yes", "on"}
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return bool(value)
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