Function applyModelOverrides

src/utils/model/modelStrings.ts:63–76

* Layer user-configured modelOverrides (from settings.json) on top of the * provider-derived model strings. Overrides are keyed by canonical first-party * model ID (e.g. "claude-opus-4-6") and map to arbitrary provider-specific * strings — typically Bedrock inference profile ARNs.

(ms: ModelStrings)

 * strings — typically Bedrock inference profile ARNs.
 */
function applyModelOverrides(ms: ModelStrings): ModelStrings {
  const overrides = getInitialSettings().modelOverrides
  if (!overrides) {
    return ms
  }
  const out = { ...ms }
  for (const [canonicalId, override] of Object.entries(overrides)) {
    const key = CANONICAL_ID_TO_KEY[canonicalId as CanonicalModelId]
    if (key && override) {
      out[key] = override
    }
  }
  return out
}

/**
 * Resolve an overridden model ID (e.g. a Bedrock ARN) back to its canonical