docs(brand): add contextual Dash repository illustration

[coisa]

Add contextual Dash artwork showing Dash connecting the request, response, stream and client components in docs/_static/mascot-banner.png and display its relative path from the README at width 840. Exclude /docs/ and root /README*.md files from package archives together.

Validation: PNG structure, 1536 x 1024 dimensions and SHA-256 verified; git archive contains no docs or root README Markdown; README path and alt text match; git diff --check passed.
No runtime PHP code changed.

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Review configuration:

⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: ASSERTIVE
• Plan: Advanced
• Run ID: 5fef1839-68b1-48ac-8332-dda38f496251

📥 Commits

Reviewing files that changed from the base of the PR and between 935f110 and c8263f8.

📒 Files selected for processing (1)

• .github/workflows/tests.yml

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ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: ASSERTIVE
• Plan: Advanced
• Run ID: fcbb27cf-1b69-47e7-85db-cf8efcd2e7d0

📥 Commits

Reviewing files that changed from the base of the PR and between 42f73f7 and 935f110.

📒 Files selected for processing (1)

• .github/workflows/tests.yml

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📝 Summary

Summary by CodeRabbit

• Documentation
  • Added a centered Dash image beneath the README title, with descriptive alternative text.
• Chores
  • Excluded documentation and README files from exported archives.
  • Updated test workflow permissions and status reporting, including a conditional status requirement for automated dependency updates.

Walkthrough

The README adds a centered Dash image. Archive exports exclude documentation and README files. The test workflow updates its permissions and sets required status publishing based on the actor.

Changes

README image and archive exclusions

Layer / File(s)	Summary
README display and archive exclusions README.md, .gitattributes	The README adds a centered Dash image with descriptive alt text and an 840-pixel width. Export rules exclude /docs/ and files matching /README*.md.

Test workflow status publishing

Layer / File(s)	Summary
Configure test workflow status publishing .github/workflows/tests.yml	The workflow grants contents: read and statuses: write, removes pages: write and id-token: write, and sets publish-required-statuses to false for dependabot[bot] and true for other actors.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~8 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to 935f1

The README image does not leave a broken packaged reference, and no concrete test-workflow regression was established. The PR is ready to merge under normal checks.

Architecture Summary

Architecture risk: 🔵 Low · up to 18217

The change affects 3 systems.

Changed systems: assets, docs, README.md

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — assets (service) was modified; 1 changed file maps to changed impact.
• observed — docs (service) was modified; 1 changed file maps to changed impact.
• observed — README.md (service) was modified; 1 changed file maps to changed impact.

Before / after behavior

• observed — Modified behavior in README.md: Added a centered Dash image with descriptive alt text and a width of 840 pixels.
• observed — Modified behavior in assets/brand/README.md: Documents the contextual illustration’s location and display references, its subject, generation receipt and brand-kit ownership, and the authorization date and limits concerning source-art rights and licensing.
• observed — Modified behavior in docs/_static/mascot-banner.receipt.json: Added a JSON receipt describing the mascot banner’s provenance, generation details, output metadata, visual review, publication authorization, and rights statement.
• observed — Modified behavior in .gitattributes: Adds export-ignore rules for the brand assets directory, mascot banner image, and its receipt file.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the main change: adding contextual Dash artwork to the repository branding.
Description check	✅ Passed	The description accurately covers the artwork, README update, archive exclusions, validation steps, and workflow-related objective.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

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_{A rabbit sees the Dash image shine,
And hops past docs left out of the archive line.
Status permissions now follow their plan,
Dependabot gets false; others true when they can.
I twitch my nose and bound away,
With tidy files to greet the day.}

_{Comment @coderabbitai help to get the list of available commands.}

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-05T18:17:55.631958Z	b290a24	New commits
🔒 Security Review	✅ Completed 2026-10-05T18:18:20.170002Z	b290a24	New commits

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 388bbf94b6

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