Add Docker socket supplementary group to MCP gateway container command (#26750)

* Initial plan

* fix: add docker socket group to MCP gateway container command

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: tighten MCP gateway group-add assertion

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: validate exact MCP gateway group-add command structure

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: simplify group-add regex to match generated command quoting

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: simplify MCP group-add assertions for readability

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: avoid shell-quote-specific assertions for group-add

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: use require checks before command ordering assertion

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: consolidate group-add validation into single command pattern

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: make group-add command pattern assertion precise

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: simplify group-add assertion readability

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* test: require ordering check for group-add and mount

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/83e93e20-b085-45b3-b016-3cb8ddf16560

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

* fix: update golden test fixtures for --group-add docker command

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* chore: plan follow-up for docker group-add runtime fix

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/854420c1-6f61-4b9d-a491-4dd15bd3b096

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>
Co-authored-by: Landon Cox <landon.cox@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: 3 people