feat(oracle): support configured models via env

[SantiagoDePolonia]

Summary

• add ORACLE_MODELS as a comma-separated env var for Oracle fallback model inventory
• apply the env overlay in provider resolution so it can override YAML models: for the default oracle provider
• document the new Oracle env path across Mintlify docs, templates, and setup references

Testing

• go test ./internal/providers/...
• mint validate

[mintlify]

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Project	Status	Preview	Updated (UTC)
gomodel	🟢 Ready	View Preview	Apr 19, 2026, 3:26 PM

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 41662ac2-1b49-4b68-ae92-18697921958f

📥 Commits

Reviewing files that changed from the base of the PR and between f24b18e and a1618d7.

📒 Files selected for processing (12)

• .env.template
• CLAUDE.md
• GETTING_STARTED.md
• README.md
• config/config.example.yaml
• docs/advanced/config-yaml.mdx
• docs/advanced/configuration.mdx
• docs/guides/oracle.mdx
• internal/providers/config.go
• internal/providers/config_test.go
• internal/providers/oracle/oracle.go
• internal/providers/oracle/oracle_test.go

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/oracle-models-by-env-variable

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