chore: update openapi specs for deficarrot,defituna lulo,marginfi

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Spec changes

1. New endpoints

No new endpoint paths or HTTP methods were added across the updated specs:

• openapi/deficarrot.json
• openapi/defituna.json
• openapi/lulo.json
• openapi/marginfi.json

2. Deprecated or removed fields/endpoints

No deprecated: true flags were added or removed, and no endpoints were removed.

Removed fields/examples observed:

• deficarrot: removed request body named examples for mint/redeem POST responses.
• deficarrot + marginfi: removed some parameter schema.examples arrays in favor of example/default usage.
• defituna: removed empty components.schemas block (structural cleanup only).
• defituna + marginfi: replaced schema.x-example with standard schema.example.

3. New or modified parameters (required vs optional)

No required/optional flag changes were detected for parameters.

Modified parameters:

• deficarrot (/v0/crt/mint/{poolToken}, /v0/crt/redeem/{poolToken}):
  • poolToken default/example changed from USDC to PYUSD on POST endpoints, and default/example now explicitly present on GET endpoints.
• defituna (/v0/lend/{poolToken}/deposit|withdraw):
  • parameter examples normalized to standard example.
  • percentage metadata now includes explicit x-default and example on POST endpoints.
• marginfi (/v0/lend/{tokenSymbol}/deposit|withdraw POST):
  • parameter serialization metadata changed (style/explode removed, allowEmptyValue/allowReserved added).
  • added/normalized example + x-default on percentage-like params.

4. Schema/type changes

Most significant behavioral schema changes are in defituna:

• GET responses (deposit + withdraw):
  • links.actions[].type changed from a fixed const: "transaction" to enum: ["transaction", "external-link"].
• POST responses (deposit + withdraw):
  • added links.next object shape (type, href) and dialectExperimental.reference fields.

Additional structural metadata changes:

• operation IDs are now protocol-namespaced in all 4 specs (e.g., defituna.v0..., marginfi.v0..., etc.).
• x-mint.href was added on operations to pin API reference routes.

5. Description updates

• deficarrot operation summaries were simplified:
  • Get mint blink -> Mint
  • Mint operation -> Mint
  • Get redeem blink -> Redeem
  • Redeem operation -> Redeem
• defituna info title changed:
  • DeFiTuna Blinks -> Defituna Blinks API

Documentation that may now be outdated

I searched .mdx files for changed identifiers/paths and found the following likely review targets.

1. API reference link targets likely stale after route namespacing (x-mint.href additions)

• release-notes/index.mdx
• This file still references legacy paths like /api-reference/mint/get-mint-blink and /api-reference/lend/lend-deposit, while specs now explicitly annotate namespaced routes such as:
  • api-reference/deficarrot/earn/mint-get
  • api-reference/defituna/lend/deposit-get
  • api-reference/lulo/deposit/deposit-get
  • api-reference/marginfi/lend/deposit-get

2. Client integration docs that currently model action buttons as transaction-only

• standard-blinks-library/quick-start.mdx
• blinks/blinks-client/integrate/headless/index.mdx
• Both heavily show links.actions[].type: "transaction" and do not clearly call out the new external-link possibility now present in updated DeFiTuna GET response schema.

3. Chaining/response-shape docs to validate against new POST response shape

• standard-blinks-library/quick-start.mdx
• blinks/blinks-client/integrate/headless/index.mdx
• blinks/blinks-provider/advanced/action-chaining.mdx
• DeFiTuna POST responses now include links.next + dialectExperimental fields; worth aligning consumer-oriented examples and expectations.

Deprecations (high priority)

No explicit deprecations were introduced in this PR:

• no new deprecated endpoints
• no newly deprecated fields
• no removals marked as deprecation migrations

High-priority note anyway: because links.actions[].type expanded (transaction + external-link), consumer assumptions may break even without formal deprecations.

Suggested action items for DevRel

1. Validate and update stale API reference links in release-notes/index.mdx to current namespaced routes emitted by x-mint.href.
2. Update client-facing integration docs (standard-blinks-library/quick-start.mdx, blinks/blinks-client/integrate/headless/index.mdx) to explicitly handle links.actions[].type = "external-link".
3. Add a short compatibility note/changelog callout that some protocol GET action schemas are no longer transaction-only.
4. Add a note in protocol docs that DeFiCarrot poolToken default shifted to PYUSD (important for copy/paste tests and examples).
5. Re-test code examples that parse POST responses as only { type, transaction } and ensure they tolerate optional links.next/dialectExperimental additions.

  

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