Link check failed (scheduled run)

# Summary

| Status | Count |
|----------------|-------|
| 🔍 Total | 1056 |
| 🔗 Unique | 384 |
| ✅ Successful | 979 |
| ⏳ Timeouts | 0 |
| 🔀 Redirected | 4 |
| 👻 Excluded | 63 |
| ❓ Unknown | 0 |
| 🚫 Errors | 14 |
| ⛔ Unsupported | 0 |

## Errors per input

### Errors in languages/rust/architect.md

* [415] (at 104:3) | Rejected status code: 415 Unsupported Media Type
* [415] (at 57:76) | Rejected status code: 415 Unsupported Media Type
* [415] (at 66:85) | Rejected status code: 415 Unsupported Media Type

### Errors in languages/rust/developer.md

* [415] (at 152:3) | Error (cached)
* [415] (at 108:71) | Rejected status code: 415 Unsupported Media Type
* [415] (at 135:147) | Rejected status code: 415 Unsupported Media Type
* [415] (at 136:161) | Rejected status code: 415 Unsupported Media Type

### Errors in languages/rust/gotchas.md

* [415] (at 188:3) | Error (cached)

### Errors in languages/rust/idioms.md

* [415] (at 229:3) | Error (cached)

### Errors in languages/rust/reviewer.md

* [415] (at 101:3) | Error (cached)

### Errors in references/sources.md

* [415] (at 87:15) | Error (cached)

### Errors in skills/chainsafe-rust-architect/SKILL.md

* [415] (at 96:13) | Error (cached)

### Errors in skills/chainsafe-rust-developer/SKILL.md

* [415] (at 131:13) | Error (cached)

### Errors in skills/chainsafe-rust-reviewer/SKILL.md

* [415] (at 104:13) | Error (cached)

## Redirects per input

### Redirects in career/career-development/introduction.md

* https://www.notion.so/chainsafe/Core-Concepts-v1-0-1610247189c949fa9692de950518ac53 --[307]--> https://app.notion.com/p/chainsafe/Core-Concepts-v1-0-1610247189c949fa9692de950518ac53?__dm_a=1 --[307]--> https://app.notion.com/p/chainsafe/Core-Concepts-v1-0-1610247189c949fa9692de950518ac53

### Redirects in career/process-and-policy.md

* https://www.notion.so/chainsafe/Educational-Budget-c0cc6c8da3c74c6ead5f866d2fced452 --[307]--> https://app.notion.com/p/chainsafe/Educational-Budget-c0cc6c8da3c74c6ead5f866d2fced452?__dm_a=1 --[307]--> https://app.notion.com/p/chainsafe/Educational-Budget-c0cc6c8da3c74c6ead5f866d2fced452

### Redirects in languages/typescript/architect.md

* https://github.com/ChainSafe/web3.js --[301]--> https://github.com/web3/web3.js

### Redirects in workflows/oneflow.md

* https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/managing-repository-settings/configuring-tag-protection-rules --[301]--> https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/creating-rulesets-for-a-repository

[Full Github Actions output](https://github.com/ChainSafe/engineering-handbook/actions/runs/30257388270?check_suite_focus=true)

Start with the listed files under languages/rust/, references/sources.md, and the three Rust skill files, then review the linked GitHub Actions run. Check the effective-rust.com failures and the reported redirects, update the affected references as appropriate, and rerun the link check until the scheduled run no longer reports these errors.

Written by the indexing model from the issue text.