refactor(types): canonicalize shared provider settings identifiers

[WebMad]

Summary

• replace raw discriminator literals in shared provider settings schemas with providerIdentifiers
• use computed canonical identifier keys in modelIdKeysByProvider
• canonicalize keys and repeated id values in MODELS_BY_PROVIDER
• derive provider exclusions from typeof providerIdentifiers.<provider>
• add regression coverage that keeps provider-indexed settings aligned with the canonical registry

Implements item 1 from #944 (comment).

Test plan

• pnpm exec vitest run src/__tests__/provider-settings.test.ts src/__tests__/provider-identifiers.test.ts from packages/types
• pnpm exec eslint src/provider-settings.ts src/__tests__/provider-identifiers.test.ts --max-warnings=0 from packages/types
• pnpm run check-types from packages/types
• repository commit/push hooks, including workspace lint and type checking

Summary by CodeRabbit

• Bug Fixes

  • Improved consistency of provider identification across model settings and provider-specific configurations.
  • Ensured provider mappings use canonical identifiers, reducing the risk of mismatched or invalid model associations.

• Tests

  • Added coverage to verify provider identifiers remain aligned across supported model configurations.
  • Confirmed designated providers are correctly handled in model ID mappings.

[coderabbitai]

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 01681801-78cd-4586-9655-4d310a9e0861

📥 Commits

Reviewing files that changed from the base of the PR and between fe11b3b and 9819602.

📒 Files selected for processing (2)

• packages/types/src/__tests__/provider-identifiers.test.ts
• packages/types/src/provider-settings.ts

📝 Walkthrough

Walkthrough

The change replaces hard-coded provider identifiers in provider settings and model mappings with providerIdentifiers constants. Tests now verify alignment between canonical identifiers, provider-indexed model settings, and model collection provider IDs.

Changes

Provider identifier consistency

Layer / File(s)	Summary
Canonical provider settings and model mappings packages/types/src/provider-settings.ts	Provider-specific schemas, modelIdKeysByProvider, and MODELS_BY_PROVIDER now use providerIdentifiers constants. Provider entries and exclusions remain unchanged.
Provider mapping consistency validation packages/types/src/__tests__/provider-identifiers.test.ts	Tests verify canonical provider keys, excluded providers, and matching provider IDs in MODELS_BY_PROVIDER entries.

Estimated code review effort: 2 (Simple) | ~15 minutes

Possibly related PRs

• Zoo-Code-Org/Zoo-Code#793: Refactors related provider settings and mappings.
• Zoo-Code-Org/Zoo-Code#952: Establishes canonical providerIdentifiers used by this change.
• Zoo-Code-Org/Zoo-Code#1022: Uses the same canonical identifiers in extension-side provider comparisons.

Suggested labels: awaiting-review

Suggested reviewers: taltas, edelauna

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the canonicalization of shared provider settings identifiers.
Description check	✅ Passed	The description explains the implementation and test procedure, but it omits the template headings and pre-submission checklist.
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 unit tests (beta)

• Create PR with unit tests

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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