Rename subcommand_dict → action_dict and SubcommandProto → ActionProto

[Copilot]

The interface moved from argv-based subcommands to YAML action parameters, but the internal naming still used "subcommand" terminology throughout. This renames all relevant symbols, files, and comments to reflect the current interface.

Changes

• qmp/utility/subcommand_dict.py → qmp/utility/action_dict.py: Renamed module; SubcommandProto → ActionProto, subcommand_dict → action_dict
• All algorithm files (vmc, haar, orbit, guide, pert, chop_imag, haar_with_orbit, pretrain): Updated imports and registration calls
• qmp/__main__.py: Updated import and lookup via action_dict
• Deprecation warnings in haar.py and haar_with_orbit.py: "The 'imag' subcommand is deprecated..." → "The 'imag' action is deprecated..."

Example

Before:

from qmp.utility.subcommand_dict import subcommand_dict
subcommand_dict["vmc"] = VmcConfig

After:

from qmp.utility.action_dict import action_dict
action_dict["vmc"] = VmcConfig

Original prompt

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This section details on the original issue you should resolve

<issue_title>所有的 "subcommand"应该替换成 "action"</issue_title>
<issue_description>因为使用接口改变了, 不再是argv的形式, 而是通过yaml里的参数action实现, 仓库中的subcommand_dict应该rename为action_dict, 其他诸如注释中的subcommand词也应该更新</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes 所有的 "subcommand"应该替换成 "action" #192

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