docs: similarity precheck API

[echobt]

Summary

• Document POST /v1/submissions/precheck (quota 3/coldkey/UTC day, response fields, curl example).
• Mirror BASE monorepo miner docs for the Prism similarity dry-run path.

Test plan

• Read-through submit.md / api.md / troubleshooting.md
• Confirm gateway route live after control-plane deploy

Summary by CodeRabbit

• Documentation
  • Documented the submission similarity precheck endpoint and ZIP request format.
  • Added examples for similarity verdicts, quota details, and response fields.
  • Clarified daily limits of three precheck requests per coldkey, with hotkey fallback.
  • Documented membership, contract, and quota-exceeded error responses.
  • Added troubleshooting guidance for similarity matches and exhausted precheck quotas.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: d4a904b4-38b5-4738-9ec1-70b2ae9d8c9a

📥 Commits

Reviewing files that changed from the base of the PR and between 8abba00 and ff6dea9.

📒 Files selected for processing (4)

• docs/api.md
• docs/scoring.md
• docs/submit.md
• docs/troubleshooting.md

---

📝 Walkthrough

Walkthrough

The documentation adds the submission similarity precheck endpoint, request and response examples, shared errors, a three-request daily coldkey quota, and troubleshooting guidance.

Changes

Submission precheck documentation

Layer / File(s)	Summary
Precheck endpoint contract docs/api.md	Documents the precheck route, advisory behavior, shared membership and contract errors, and 429 precheck_quota_exceeded.
Precheck usage and troubleshooting docs/submit.md, docs/scoring.md, docs/troubleshooting.md	Describes ZIP requests, response fields, similarity verdicts, quota rules, and actions for flagged submissions.

Estimated code review effort: 1 (Trivial) | ~3 minutes

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/similarity-precheck

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

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