Function parse_feature_config

mini_claude_code/config.py:107–145

从 merged dict 中解析 feature config。 源码: config.rs:230-239 CC 里每个字段都有独立的 parse_optional_xxx() 函数。 我们简化为一个函数，但保持"显式提取+验证"的精神。

(merged: dict)

def parse_feature_config(merged: dict) -> RuntimeFeatureConfig:
    """从 merged dict 中解析 feature config。

    源码: config.rs:230-239
    CC 里每个字段都有独立的 parse_optional_xxx() 函数。
    我们简化为一个函数，但保持"显式提取+验证"的精神。
    """
    hooks = merged.get("hooks", {})
    if not isinstance(hooks, dict):
        raise ConfigError("hooks: expected JSON object", kind="parse")

    pre = hooks.get("PreToolUse", [])
    post = hooks.get("PostToolUse", [])
    if not isinstance(pre, list) or not isinstance(post, list):
        raise ConfigError("hooks.PreToolUse/PostToolUse: must be arrays", kind="parse")

    # permission_mode: CC 支持多种别名 (config.rs:511-518)
    raw_mode = merged.get("permissionMode")
    permission_mode = None
    if isinstance(raw_mode, str):
        mode_map = {
            "default": "read-only", "plan": "read-only", "read-only": "read-only",
            "acceptEdits": "workspace-write", "auto": "workspace-write",
            "workspace-write": "workspace-write",
            "dontAsk": "danger-full-access", "danger-full-access": "danger-full-access",
        }
        if raw_mode not in mode_map:
            raise ConfigError(f"permissionMode: unsupported mode '{raw_mode}'", kind="parse")
        permission_mode = mode_map[raw_mode]

    return RuntimeFeatureConfig(
        hooks_pre_tool_use=pre,
        hooks_post_tool_use=post,
        model=merged.get("model"),
        permission_mode=permission_mode,
        timeout=merged.get("timeout", 30),
        max_iterations=merged.get("maxIterations", 10),
        token_budget=merged.get("tokenBudget", 200_000),
    )


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