* feat(linux-do): split topic content into a dedicated command
Move the old main-post path out of linux-do topic so topic stays a summarized first-page reader while topic-content becomes the Markdown-focused entrypoint for full post bodies.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
* feat(linux-do): update topic content handling to include YAML front matter
* fix(linux-do): update default output format to plain for topic-content rendering
* fix(linux-do): replace js-yaml with inline YAML serialization for topic-content
Adapters must only import node builtins, relative modules, or opencli
public APIs. Hand-roll the simple front matter serialization to remove
the third-party js-yaml dependency.
* fix(linux-do): refine YAML quoting to only escape colons followed by space
Colons in URLs (e.g. https://) are valid unquoted YAML values. Only
quote when a colon is followed by a space or appears at end of line.
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Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
tiaot33