Update lethal trifecta landing page copy

[Copilot]

Revise the landing page’s lethal-trifecta copy to describe gh-aw’s six security layers and update the threat and control labels.

• Diagram labels: Update the descriptions for private data, untrusted content, and outbound access, and rename the relevant controls to “Isolated sandbox” and “Agent firewall.”
• Accessibility: Align the screen-reader caption with the updated labels.

• Fixes Update lethal trifecta landing page copy #65114

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Branch refresh requested by PR Sous Chef. Run: https://github.com/github/gh-aw/actions/runs/37074045850

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[lpcox]

@copilot replace "Issues, PR comments" with "Issues and PR comments"

[Copilot]

@copilot replace "Issues, PR comments" with "Issues and PR comments"

Updated the label to “Issues and PR comments” in commit 8c7f4f4.

[Copilot]

Copilot review overview

🟡 Changes recommended

The untrusted-content label does not match the copy explicitly required by the linked issue.

Review effort: Balanced
Findings: 1

Open (1)

• Use the specified “Issues, PR comments” label · New

What changed in this PR

Updates the lethal-trifecta landing section to describe gh-aw’s six security layers and revised security terminology.

Changes:

• Revises threat and control labels.
• Updates explanatory and screen-reader copy.

File	Description
docs/​src/​components/​landing/​SafeByDefaultTrifecta.astro	Updates diagram labels, introduction, and accessible caption.

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[gh-aw-bot]

@copilot Please take another pass on this PR. Please refresh the branch if needed, address any outstanding review feedback, and then run the pr-finisher skill before handing back to maintainers.

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[Copilot]

@copilot Please take another pass on this PR. Please refresh the branch if needed, address any outstanding review feedback, and then run the pr-finisher skill before handing back to maintainers.

...

Updated the visible label to match issue #65114 in commit 0bd7e08. Formatting, lint, recompilation, impacted tests, and the docs build passed; make test hit an unrelated existing concurrent Cobra completion-test panic. CI needs a maintainer re-trigger after this push.

[gh-aw-bot]

@copilot Please take another pass on this PR. Review feedback appears addressed in follow-up replies, but the review thread is still unresolved. Please verify the current head, resolve any remaining review feedback, refresh the branch if needed, and then run the pr-finisher skill before handing back to maintainers.

• Outstanding review context: Update lethal trifecta landing page copy #65115 (comment)

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[Copilot]

@copilot Please take another pass on this PR. Review feedback appears addressed in follow-up replies, but the review thread is still unresolved. Please verify the current head, resolve any remaining r...

Verified the linked Copilot review thread is resolved and its concern was answered in-thread. Updated the label per lpcox’s latest request in 33dbf42; formatting, lint, tests, workflow recompilation, docs build, and final pre-push validation passed. The branch was already current with main; checks on the new head are unverified and need a maintainer re-trigger.

@copilot replace "Issues, PR comments" with "Issues and PR comments"

Updated the visible label to “Issues and PR comments” in commit 33dbf42.

[gh-aw-bot]

@copilot Please review this PR for forward progress: check unresolved review feedback, failed checks, and whether the branch needs a refresh. If action is needed, please continue with the pr-finisher skill.

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[Copilot]

@copilot Please review this PR for forward progress: check unresolved review feedback, failed checks, and whether the branch needs a refresh. If action is needed, please continue with the pr-finisher ...

Refreshed the branch with latest main in merge commit cf1c8ad (it was four commits behind). The requested copy is intact, and the only review thread is resolved. Local make fmt, make lint, make test-unit, make test, and make recompile passed. The latest completed checks on the prior head (docs build, visual regression, and code scanning) passed; no failed jobs were found in the older action-required runs. The Copilot check was still in progress and is stale after this merge, so a maintainer must re-trigger CI; human review is still needed.

[github-actions]

🎉 This pull request is included in a new release.

Release: v0.91.0