fix(partners): remove Cloudflare reserved placement

[tannerlinsley]

Cloudflare no longer has exclusive placement. Remove the reserved placement rules so it follows the same tier ordering and session rotation as every other partner, including deployment buttons and mixed-category lists.

Remove the outdated placement policy and extend the hosting rotation regression test to cover Cloudflare.

Validation: pnpm test passed, including TypeScript, lint, and 525 unit tests (3 skipped).

Summary by CodeRabbit

• Changes
  • Partner placement now follows tier-based ordering, seeded rotation, or legacy comparison. Reserved partners are no longer moved ahead of other partners in the same category.
• Documentation
  • Updated partner-placement guidance to remove references to reserved placement rules.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 696bf022-8178-46e3-a3a7-ae45a9233c83

📥 Commits

Reviewing files that changed from the base of the PR and between 4a9ef75 and 1c9f4f6.

📒 Files selected for processing (3)

• docs/partner-placement.md
• src/utils/partner-placement.ts
• tests/application-starter-partners.test.ts

Included review availability: Your plan provides up to 4 included reviews per hour; 3 remain after this review.

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📝 Walkthrough

Walkthrough

The placement utility no longer gives reserved partners priority over other partners. The documentation no longer describes reserved placement rules, and the hosting-rotation test now includes Cloudflare.

Changes

Partner Placement Ordering

Layer / File(s)	Summary
Remove reserved partner ordering src/utils/partner-placement.ts, tests/application-starter-partners.test.ts, docs/partner-placement.md	The placement utility removes reserved-partner ordering and returns the sorted partners directly. The hosting-rotation test includes Cloudflare, and the documentation removes its reserved-rule descriptions.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 1c9f4

Cloudflare no longer has a reserved first position in deployment and hosting lists. It now follows the same tier ordering and session rotation as other partners, as intended. The documentation and the hosting-rotation test were updated to match, and no remaining defect was found. The change is ready to merge.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 2 files. (1 skipped: 1 …	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: removing Cloudflare's reserved partner placement.
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.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 2 files. (1 skipped: 1 unsupported.)

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✨ Finishing Touches 💡 1

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