fix(dingtalk): restore card auto layout

[Iams4kura]

概述 / Overview

Fixes #2361.

DingTalk streaming cards ignored card_auto_layout because create_and_deliver_card placed the serialized config beside cardParamMap. DingTalk template variables are read from cardData.cardParamMap, so the setting never reached the card template.

This change merges card_data_config into a copy of the parameter map before the existing stringification step. Existing template parameters remain intact, caller-owned data is not mutated, and the request now carries config at the level expected by DingTalk.

更改前后对比截图 / Screenshots

This is a request-payload fix with no local UI to screenshot. The regression test captures the before/after payload shape:

• Before: cardData.config = "{\"autoLayout\": true}"
• After: cardData.cardParamMap.config = "{\"autoLayout\": true}"

Regression evidence

• Before: uv run --python 3.12 --no-sync pytest tests/unit_tests/platform/test_dingtalk_api.py::test_create_and_deliver_card_places_config_in_card_param_map -q exited 1 with KeyError: 'config'.
• After: the same command exited 0.

Verification

• uv run --python 3.12 --no-sync pytest tests/unit_tests/platform/test_dingtalk_api.py tests/unit_tests/platform/test_dingtalk_adapter.py -q — 19 passed.
• bash scripts/test-quick.sh — Ruff passed; 2,764 unit tests and 15 smoke tests passed.
• uv run --python 3.12 --no-sync pre-commit run --files src/langbot/libs/dingtalk_api/api.py tests/unit_tests/platform/test_dingtalk_api.py --show-diff-on-failure — passed.
• git diff --cached --check — passed.

Scope

• 2 files changed, +41 / -3 lines.
• No dependency, generated-file, schema, or API changes.

检查清单 / Checklist

PR 作者完成 / For PR author

• 阅读仓库贡献指引了吗？ / Have you read the contribution guide?
• 我已签署或将在机器人提示后签署 CLA。 / I have signed, or will sign when prompted by the bot, the CLA.
• 与项目所有者沟通过了吗？ / Have you communicated with the project maintainer? (The existing issue includes maintainer confirmation of the regression.)
• 我确定已自行测试所作的更改，确保功能符合预期。 / I have tested the changes and ensured they work as expected.

项目维护者完成 / For project maintainer

• 相关 issues 链接了吗？ / Have you linked the related issues?
• 配置项写好了吗？迁移写好了吗？生效了吗？ / Have you written the configuration items? Have you written the migration? Has it taken effect?
• 依赖加到 pyproject.toml 和 core/bootutils/deps.py 了吗 / Have you added the dependencies to pyproject.toml and core/bootutils/deps.py?
• 文档编写了吗？ / Have you written the documentation?

Additional context

An all-files pre-commit run was also attempted. The repository's current hooks proposed mass-formatting 79 unrelated baseline files, so those unrelated changes were discarded. Both files in this focused patch pass the same configured Ruff hooks.

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