Remove migration research artifacts

[wshobson]

Summary

• remove the tracked docs/ migration/performance material
• remove the tracked exa-results/ research report
• keep the repository surface focused on the shipped Rust/RMCP server

GitHub cleanup completed

• closed obsolete Python/uv Dependabot PRs Bump authlib from 1.6.11 to 1.6.12 #3, Bump idna from 3.11 to 3.15 #4, Bump pyjwt from 2.12.1 to 2.13.0 #6, Bump python-multipart from 0.0.26 to 0.0.31 #7, Bump starlette from 1.0.0 to 1.3.1 #8, Bump pydantic-settings from 2.13.1 to 2.14.2 #10, Bump mcp from 1.27.0 to 1.28.1 #11, and Bump cryptography from 46.0.7 to 50.0.0 #12 and deleted their branches
• removed the python:uv label
• replaced PyPI/Python/FastMCP metadata with crates.io/Rust/RMCP metadata
• enabled automatic merged-branch deletion
• verified zero open Dependabot alerts and no Python-specific ruleset or CodeQL configuration

Verification

• cargo fmt --check
• cargo clippy --all-targets --all-features -- -D warnings
• cargo test --all-targets --locked
• cargo deny check
• cargo publish --dry-run --locked
• git diff --check

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 9f59d286-5ba5-4b7a-8be3-32effe636d2e

📥 Commits

Reviewing files that changed from the base of the PR and between 3f824c5 and 91ca49f.

📒 Files selected for processing (4)

• docs/performance/2026-08-24-rust-cutover.md
• docs/superpowers/plans/2026-08-24-tiingo-rust-rmcp-parity-cutover.md
• docs/superpowers/specs/2026-08-24-tiingo-rust-rmcp-parity-cutover-design.md
• exa-results/tiingo-rust-rmcp-api-expansion-report-2026-08-24.md

💤 Files with no reviewable changes (3)

• exa-results/tiingo-rust-rmcp-api-expansion-report-2026-08-24.md
• docs/performance/2026-08-24-rust-cutover.md
• docs/superpowers/specs/2026-08-24-tiingo-rust-rmcp-parity-cutover-design.md

Included review availability: 1 review is currently available. Your included PR review attempts over the past 7 days set your current allowance at 3 reviews per hour.

---

📝 Walkthrough

Summary by CodeRabbit

• Documentation
  • Removed outdated performance evidence for the Rust migration.
  • Removed the historical Rust/RMCP parity migration design specification.
  • Removed the archived Tiingo API expansion and migration report.

Walkthrough

The change deletes three historical documents covering Rust/RMCP migration design, performance evidence, and Tiingo API expansion.

Changes

Cohort / File(s)	Summary
Historical documentation removal docs/performance/2026-08-24-rust-cutover.md, docs/superpowers/specs/2026-08-24-tiingo-rust-rmcp-parity-cutover-design.md, exa-results/tiingo-rust-rmcp-api-expansion-report-2026-08-24.md	Deletes migration design, performance, and API expansion documentation without adding replacement content.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 91ca4

This change removes obsolete migration and research files without altering shipped server behavior. No actionable merge-blocking risk remains after normal checks and review.

Poem

A rabbit saw old pages fade,
Three document trails were cleared.
Rust plans, benchmarks, reports,
Left quiet paths behind.
The burrow rests in tidy light.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description check	✅ Passed	The description directly summarizes the removal of migration, performance, and research artifacts. It also records related repository cleanup and verification steps.
Title check	✅ Passed	The title, "Remove migration research artifacts," clearly identifies the primary change: deleting tracked migration and research files.
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.

Full details: Docstring Coverage

Explanation

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 files.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/rust-repository-cleanup

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch codex/rust-repository-cleanup

---

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