feat(chat-theme): expand Chat UI customization#240
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| "kind": _theme_asset_kind(asset), | ||
| "name": asset.name, | ||
| "path": relative, | ||
| "size": asset.stat().st_size, |
| if _read_manifest(theme_dir) is None: | ||
| raise FileNotFoundError(f"主题不存在或无效：{safe_id}") | ||
| rows = [] | ||
| for asset in theme_dir.rglob("*"): |
| raise ValueError("单个主题资源不能超过 16 MiB") | ||
|
|
||
| assets_dir = safe_child_path(theme_dir, "assets") | ||
| assets_dir.mkdir(parents=True, exist_ok=True) |
| filename = f"{stem}{suffix}" | ||
| destination = safe_child_path(assets_dir, filename) | ||
| counter = 2 | ||
| while destination.exists(): |
| while destination.exists(): | ||
| destination = safe_child_path(assets_dir, f"{stem}-{counter}{suffix}") | ||
| counter += 1 | ||
| shutil.copy2(source, destination) |
| if _manifest_references_asset(manifest, asset_path): | ||
| raise ValueError("该资源仍被主题引用，请先清除对应字段并保存主题") | ||
| target = safe_child_path(theme_dir, asset_path) | ||
| if not target.is_file(): |
| target = safe_child_path(theme_dir, asset_path) | ||
| if not target.is_file(): | ||
| raise FileNotFoundError(f"主题资源不存在：{asset_path}") | ||
| target.unlink() |
| raise FileNotFoundError(f"主题资源不存在：{asset_path}") | ||
| target.unlink() | ||
| parent = target.parent | ||
| while parent != theme_dir and parent.is_dir() and not any(parent.iterdir()): |
| target.unlink() | ||
| parent = target.parent | ||
| while parent != theme_dir and parent.is_dir() and not any(parent.iterdir()): | ||
| parent.rmdir() |
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Summary
Why
The existing Chat UI customization flow exposed only part of the theme model and did not provide a safe extension surface for plugins. This change makes the full theme schema editable, adds production-grade asset and preview workflows, and keeps plugin UI rendering under host control.
User and developer impact
Users can build, preview, diagnose, save, and export substantially richer Chat themes. Plugin authors can contribute safe Chat actions and output cards without injecting arbitrary HTML, JavaScript, React nodes, or CSS.
Validation