docs: add auto-closing issues section to issues documentation

[rabanspiegel]

Summary

• Adds a new "Auto-Closing Issues" section to the issues documentation page
• Documents the behavior where Emdash automatically closes linked GitHub or Linear issues when a PR is created from a task

Fixes GEN-373

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Note

Low Risk
Docs-only change that clarifies existing behavior; no code paths, data handling, or auth are modified.

Overview
Adds an Auto-Closing Issues section to docs/content/docs/issues.mdx, documenting that creating a PR from a task will automatically close the linked GitHub or Linear issue (only for issues attached at task creation).

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Feb 23, 2026 0:24am

[greptile-apps]

Greptile Summary

Adds documentation for auto-closing issues behavior when creating PRs from tasks with linked issues.

• New section documents that Emdash automatically closes GitHub or Linear issues when creating a PR from a task
• Clarifies the behavior only applies to issues attached at task creation time
• No code changes, purely documentation enhancement

Confidence Score: 5/5

• Safe to merge - documentation-only change with no code modifications
• This is a straightforward documentation update that adds helpful information about existing behavior. No code, configuration, or data changes are involved.
• No files require special attention

Important Files Changed

Filename	Overview
docs/content/docs/issues.mdx	Documentation-only change adding Auto-Closing Issues section; no functional issues

_{Last reviewed commit: 299e487}