fix: break plugin-sdk provider barrel recursion

src/plugin-sdk/provider-model-shared.ts

@@ -0,0 +1,38 @@
+// Shared model/catalog helpers for provider plugins.
+//
+// Keep provider-owned exports out of this subpath so plugin loaders can import it
+// without recursing through provider-specific facades.
+
+import type { BedrockDiscoveryConfig, ModelDefinitionConfig } from "../config/types.models.js";
+
+export type { ModelApi, ModelProviderConfig } from "../config/types.models.js";
+export type { BedrockDiscoveryConfig, ModelDefinitionConfig } from "../config/types.models.js";
+export type { ProviderPlugin } from "../plugins/types.js";
+export type { KilocodeModelCatalogEntry } from "../plugins/provider-model-kilocode.js";
+
+export { DEFAULT_CONTEXT_TOKENS } from "../agents/defaults.js";
+export {
+  hasNativeWebSearchTool,
+  HTML_ENTITY_TOOL_CALL_ARGUMENTS_ENCODING,
+  normalizeModelCompat,
+  resolveToolCallArgumentsEncoding,
+  usesXaiToolSchemaProfile,
+  XAI_TOOL_SCHEMA_PROFILE,
+} from "../agents/model-compat.js";
+export { normalizeProviderId } from "../agents/provider-id.js";
+export {
+  createMoonshotThinkingWrapper,
+  resolveMoonshotThinkingType,
+} from "../agents/pi-embedded-runner/moonshot-thinking-stream-wrappers.js";
+export {
+  cloneFirstTemplateModel,
+  matchesExactOrPrefix,
+} from "../plugins/provider-model-helpers.js";
+export {
+  MINIMAX_DEFAULT_MODEL_ID,
+  MINIMAX_DEFAULT_MODEL_REF,
+  MINIMAX_TEXT_MODEL_CATALOG,
+  MINIMAX_TEXT_MODEL_ORDER,
+  MINIMAX_TEXT_MODEL_REFS,
+  isMiniMaxModernModelId,
+} from "./minimax.js";

src/plugin-sdk/subpaths.test.ts

@@ -540,6 +540,10 @@ describe("plugin-sdk subpath exports", () => {
         "resolveZaiBaseUrl",
       ],
     });
+    expectSourceContract("provider-model-shared", {
+      mentions: ["DEFAULT_CONTEXT_TOKENS", "normalizeModelCompat", "cloneFirstTemplateModel"],
+      omits: ["applyOpenAIConfig", "buildKilocodeModelDefinition", "discoverHuggingfaceModels"],
+    });
 
     expectSourceMentions("setup", [
       "DEFAULT_ACCOUNT_ID",