* chore: log more detail about failed to get session info from cache

* fix: fix update plugin query plugin not use source

…o_proxy) (#767)

Currently plugin_daemon only reads HTTP_PROXY/HTTPS_PROXY/NO_PROXY in
uppercase via envconfig. Many Linux environments set these in lowercase
(http_proxy/https_proxy/no_proxy), causing plugin installation failures
behind proxies.

This adds a fallback in SetDefault() that reads lowercase variants when
the uppercase ones are empty.

Fixes #18752

* fix(local-runtime): recover stopped plugin instances

* fix(local-runtime): remove unnecessary stdin write lock

---------

Co-authored-by: Kevin9703 <[email protected]>
Co-authored-by: kevin.zhang <[email protected]>

…ements (#769)

* feat(cli): align plugin templates with marketplace review requirements

- bump dify_plugin requirement to >=0.9.0,<0.10.0
- fix README template rendering empty description ({{ .Description }} -> {{ .PluginDescription }})
- turn PRIVACY.md into a structured privacy policy skeleton
- add setup/usage sections and English-only notice to README templates (en, zh_Hans, ja_JP, pt_BR)
- add marketplace submission checklist to GUIDE.md
- warn when author name contains 'langgenius' or 'dify'

Co-Authored-By: Claude Fable 5 <[email protected]>

* feat(cli): scaffold plugins with uv pyproject.toml instead of requirements.txt

Co-Authored-By: Claude Fable 5 <[email protected]>

* fix(cli): restore privacy policy placeholder line in PRIVACY.md template

Co-Authored-By: Claude Fable 5 <[email protected]>

* fix(cli): scaffold both requirements.txt and pyproject.toml, revert author warning

Co-Authored-By: Claude Fable 5 <[email protected]>

---------

Co-authored-by: Claude Fable 5 <[email protected]>