docs: remove the Smart Routing page and its references

[hMED22]

Removes the Smart Routing documentation. The @edenai router is no longer documented, so the page is deleted and /v3/llms/smart-routing redirects to /v3/llms/provider-routing, the closest surviving page.

What changed

Deleted

• v3/llms/smart-routing.mdx and its nav entry, with a redirect added in docs.json.

Reference cleanup

• request-metadata: dropped the auto field from the sample response and the field table, the auto strategy row, the "When Eden AI chose the model" section, and the related use-case bullet.
• provider-routing: removed the Info block contrasting the two pages, and the routing.quality_cost cross-link.
• embeddings: the best-practice bullet now says a concrete provider/model is required with no automatic model selection, instead of pointing at the router. Also updated a corpus string in the RAG snippet.
• image-generation, index, quickstart/first-llm-call: mentions reworded or removed.
• .mintlify/Assistant.md: the Smart Routing terminology entry is replaced with Provider Routing, so Ask AI stops describing a page that no longer exists.
• README.md: feature bullet renamed to Provider Routing, stale nav-structure mentions removed.

Evals

• Dropped q11 ("How does smart routing work..."), which pointed at the deleted page. CLAUDE.md updated from 22 to 21 questions.

Cosmetic

• Both Next Steps groups that lost a card dropped from 4 to 3 under cols={2}, leaving an orphan on the second row. Each gets a fourth relevant card: Request Metadata on provider-routing, Provider Routing on the quickstart.

Verification

• docs.json and tests/evals/dataset.json parse as valid JSON.
• No smart-routing, @edenai, router_candidates or quality_cost references remain outside the docs.json redirect and the dated snapshots under v3/feedback/.
• Every internal /v3/... link in the changed pages resolves to an existing file or a redirect.
• Snippet tests were not run locally: no EDEN_AI_PRODUCTION_API_TOKEN in this environment. The only code touched is one string literal in the embeddings corpus, which no assertion depends on. Worth confirming CI is green.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Renamed “Smart Routing” references to “Provider Routing” across the documentation and homepage.
  • Clarified provider selection based on price, speed, and latency.
  • Added a redirect from the former Smart Routing URL.
  • Updated routing guidance to emphasize explicit provider/model values and request metadata.
  • Removed outdated Smart Routing content, examples, navigation links, and related limitations.

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Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

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Run ID: c53b627e-b1ba-4760-bf94-47496caee043

📥 Commits

Reviewing files that changed from the base of the PR and between c354310 and 98b987f.

📒 Files selected for processing (12)

• .mintlify/Assistant.md
• CLAUDE.md
• README.md
• docs.json
• index.mdx
• tests/evals/dataset.json
• v3/llms/embeddings.mdx
• v3/llms/image-generation.mdx
• v3/llms/provider-routing.mdx
• v3/llms/request-metadata.mdx
• v3/llms/smart-routing.mdx
• v3/quickstart/first-llm-call.mdx

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Walkthrough

The documentation now uses “Provider Routing” terminology, redirects the former Smart Routing URL, removes automatic model-selection guidance, updates related examples, and removes the Smart Routing evaluation question.

Changes

Provider Routing documentation

Layer / File(s)	Summary
Routing terminology and navigation .mintlify/Assistant.md, README.md, docs.json, index.mdx, v3/llms/provider-routing.mdx, v3/quickstart/first-llm-call.mdx, v3/llms/smart-routing.mdx	Documentation now uses Provider Routing terminology. The former Smart Routing page was removed, and its URL redirects to the Provider Routing page. Navigation and next-step cards were updated.
Routing behavior guidance v3/llms/embeddings.mdx, v3/llms/image-generation.mdx	Embedding guidance now requires explicit provider/model values. Image-generation guidance removes the deprecated router restriction while retaining the fallbacks limitation.
Request metadata reference v3/llms/request-metadata.mdx	The auto metadata field, @edenai strategy, automatic model-selection section, and related usage note were removed.
Supporting documentation updates CLAUDE.md, tests/evals/dataset.json	The documented evaluation dataset count changed from 22 to 21, and dataset entry q11 was removed.

Estimated code review effort: 2 (Simple) | ~10 minutes

Suggested reviewers: tristantelleb

Poem

A rabbit hops through docs so bright
Provider Routing names the night
Old Smart Routing links now turn
Metadata fields no longer churn
The guide grows clear from page to page

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ahmednemdil/eng-135-pull-smart-routing-docs

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