Add jev-codex-router Codex per-turn Jev routing

[AsafMazuz1]

Pull request

What changes and why?

Adds jev-codex-router under Developer tools: a local Python server that asks Jev to pick Codex model tier and thinking depth, then relays Responses traffic through an existing Codex Router generic provider.

• Canonical URL: https://github.com/0xNatoshi/jev-codex-router
• Reviewed commit: 8292b519659280884627a962c826ac7721136a64
• Detail page: community/projects/tools/jev-codex-router.md
• Affiliation: independently curated catalog listing; no relationship to the maintainer declared.

Distinct from catalogued jev-router and Jev Model Router.

Verification

AI-assisted source inspection of server/jev_server.py, README, BACKTEST notes, LICENSE (MIT). No automated unit-test suite found in-tree; upstream CI workflow not executed here. No live TypeSafe calls, Codex Router install, or end-to-end routing on this Linux review host. Catalog npm run check will run via the offline workflow on this PR.

AI assistance

Listing drafted with AI assistance; human/operator curatorship via AppitStudio Catalog Curator automation. Claims limited to inspected source and disclosed non-runs.

Checklist

• I read the repository's CONTRIBUTING.md.
• This change adds one resource or makes a focused correction.
• For a community project, its detail page, category index entry, and README links are complete and consistent (or not applicable).
• Links work and descriptions are factual; prerequisites and limitations are clear.
• I ran the applicable checks and included no secrets or private data.
  • Local catalog npm run check deferred to PR offline CI. Upstream offline suite N/A. No secrets included.