feat: rank marketplace offers with effective prices

[MuncleUscles]

Summary

• rank marketplace candidates with host-supplied effective_price_* when present
• keep raw marketplace quotes on the offer object
• carry price_multiplier into the chosen route so the host can report cost against the raw quote

Validation

• Covered through parent unhardcoded focused test: tests/test_live_wiring.py::test_marketplace_offers_rank_with_effective_prices_when_present
• Parent focused multiplier suite passed: 6 passed in ~30s

Summary by CodeRabbit

• New Features

  • Marketplace pricing now uses “effective” quote prices when available, improving cost calculations.
  • Selected results now include a price multiplier so routed costs can reflect marketplace-provided adjustments.

• Bug Fixes

  • Falls back to legacy quote prices when effective prices are not provided, preserving compatibility with existing offers.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 5f88d0fb-fa35-4103-a097-f87e473c1800

📥 Commits

Reviewing files that changed from the base of the PR and between 2750958 and e8263d4.

📒 Files selected for processing (1)

• llm_policy.lua

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📝 Walkthrough

Walkthrough

Marketplace candidate pricing in llm_policy.lua now prefers effective price fields from offers, falling back to legacy price fields, and adds a price_multiplier from ranking_price_multiplier. The execution result's chosen payload now also includes this price_multiplier.

Changes

Effective pricing and multiplier propagation

Layer / File(s)	Summary
Candidate pricing and multiplier construction llm_policy.lua	Candidate price_in/price_out prefer offer.effective_price_*_usd_per_mtok with fallback to legacy offer.price_*_usd_per_mtok, and price_multiplier is set from offer.ranking_price_multiplier; the chosen payload on successful execution now includes price_multiplier from the selected candidate.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• genlayerlabs/unhardcoded-engine#20: Both PRs modify how marketplace offer pricing flows into candidate/policy price fields (price_in/price_out).

Suggested reviewers: jmlago

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: ranking marketplace offers using effective prices.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/marketplace-effective-prices

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