fix(model-metadata): follow the models.dev provider split and body-only override wave

packages/core/src/__tests__/model-metadata.test.ts

@@ -205,10 +205,8 @@ describe('deepseek v4 flash vision exp metadata regression', () => {
     );
   });
 
-  it('keeps the model present in the deepseek shipped baseline', () => {
-    assert.ok(
-      providerFallbackModelIds(PROVIDER_REGISTRY.deepseek).includes('deepseek-v4-flash-vision-exp'),
-    );
+  it('keeps the vision-capable baseline model in the deepseek shipped baseline', () => {
+    assert.ok(providerFallbackModelIds(PROVIDER_REGISTRY.deepseek).includes('deepseek-flash'));
   });
 
   it('returns expected metadata from lookupModelMetadata', () => {

packages/core/src/__tests__/model-thinking.test.ts

@@ -253,6 +253,7 @@ test('ApplyPatch defaults are model-specific and explicit choices win', () => {
     'gpt-5.6-luna',
     'gpt-6-astra',
     'gpt-5.4-2026-03-05',
+    'deepseek-flash',
     'deepseek-v4-flash',
     'deepseek-v4-pro',
   ]) {

packages/core/src/model-thinking.ts

@@ -163,6 +163,7 @@ const APPLY_PATCH_MODELS: ReadonlySet<string> = new Set([
   'gpt-5.6-terra',
   'gpt-5.6-luna',
   'gpt-6-astra',
+  'deepseek-flash',
   'deepseek-v4-flash',
   'deepseek-v4-flash-vision-exp',
   'deepseek-v4-pro',

packages/core/src/models-dev-projection.ts

@@ -55,7 +55,7 @@ export const MODELS_DEV_PROVIDERS = {
   google: 'google',
   groq: 'groq',
   huggingface: 'huggingface',
-  'kimi-coding-plan': 'kimi-for-coding',
+  'kimi-coding-plan': 'kimi-code-plan-cn',
   MiniMax: 'minimax',
   'MiniMax-cn': 'minimax-cn',
   'minimax-coding-plan': 'minimax-coding-plan',
@@ -109,7 +109,15 @@ export interface ModelsDevModel {
   readonly modalities?: { readonly input: string[]; readonly output: string[] };
   readonly reasoning_options?: ReadonlyArray<{ readonly type?: string; readonly values?: unknown }>;
   readonly cost?: Readonly<Record<string, unknown>>;
-  readonly provider?: { readonly npm?: string; readonly api?: string };
+  // Upstream models.dev entries are per-model hints keyed by provider id. An
+  // override without an `npm` field does not select a runtime adapter. The
+  // `body` member seen on some upstream entries carries request-body defaults
+  // that no downstream projection reads.
+  readonly provider?: {
+    readonly npm?: string;
+    readonly api?: string;
+    readonly body?: unknown;
+  };
 }
 
 export type ModelsDevCatalog = Readonly<Record<string, ModelsDevProvider>>;

packages/core/src/provider-registry.ts

@@ -309,8 +309,8 @@ if (!fireworks.api) throw new Error('models.dev Fireworks AI provider facts are
 const fireworksModelIds = toolCallingModelIds(
   'Fireworks AI',
   GENERATED_MODELS_DEV_METADATA['fireworks-ai'],
-  ['accounts/fireworks/models/kimi-k2p6'],
-);
+  ['accounts/fireworks/models/kimi-k3'],
+).filter((id) => GENERATED_MODELS_DEV_METADATA['fireworks-ai'][id]?.lifecycle !== 'deprecated');
 const tencentTokenHub = GENERATED_MODELS_DEV_PROVIDER_FACTS['tencent-tokenhub'];
 if (tencentTokenHub.id !== 'tencent-tokenhub') {
   throw new Error(
@@ -871,13 +871,7 @@ const providerRegistry = {
     label: 'DeepSeek',
     baseUrl: 'https://api.deepseek.com',
     authKind: 'api_key',
-    fallbackModels: [
-      'deepseek-v4-flash',
-      'deepseek-v4-flash-vision-exp',
-      'deepseek-v4-pro',
-      'deepseek-reasoner',
-      'deepseek-chat',
-    ],
+    fallbackModels: ['deepseek-flash', 'deepseek-v4-pro'],
     status: 'ready',
     runtimeAdapter: {
       kind: 'openai-compatible',

packages/runtime/src/__tests__/apply-patch-profile.test.ts

@@ -33,6 +33,10 @@ describe('ApplyPatch profile routing', () => {
       resolveModelRuntime({ providerType: 'openai-codex' }, 'gpt-6-astra').applyPatchProfile,
       { kind: 'codex-v4a-freeform' },
     );
+    assert.deepEqual(
+      resolveModelRuntime({ providerType: 'deepseek' }, 'deepseek-flash').applyPatchProfile,
+      { kind: 'portable-v4a' },
+    );
     assert.deepEqual(
       resolveModelRuntime({ providerType: 'deepseek' }, 'deepseek-v4-flash').applyPatchProfile,
       { kind: 'portable-v4a' },