Unblock AI credits guard for Claude Fable/Mythos 5 by adding curated pricing and catalog fallback entries

containers/api-proxy/ai-credits-pricing.js

@@ -21,6 +21,8 @@ module.exports = Object.freeze({
   'claude-opus-4-6':   { input: 5.00,  cachedInput: 0.50,  cacheWrite: 6.25, output: 25.00 },
   'claude-opus-4-7':   { input: 5.00,  cachedInput: 0.50,  cacheWrite: 6.25, output: 25.00 },
   'claude-opus-4-8':   { input: 5.00,  cachedInput: 0.50,  cacheWrite: 6.25, output: 25.00 },
+  'claude-fable-5':    { input: 10.00, cachedInput: 1.00,  cacheWrite: 12.50, output: 50.00 },
+  'claude-mythos-5':   { input: 10.00, cachedInput: 1.00,  cacheWrite: 12.50, output: 50.00 },
   'gemini-2.5-pro':    { input: 1.25,  cachedInput: 0.125, cacheWrite: null, output: 10.00 },
   'gemini-3-flash':    { input: 0.50,  cachedInput: 0.05,  cacheWrite: null, output: 3.00 },
   'gemini-3.1-flash':  { input: 0.75,  cachedInput: 0.075, cacheWrite: null, output: 4.50 },

containers/api-proxy/guards/ai-credits-guard.test.js

@@ -219,6 +219,23 @@ describe('ai-credits-guard', () => {
     expect(checkUnknownModelRejection('text-embedding-ada-002')).toBeNull();
   });
 
+  it('does not reject claude-fable-5 when maxAiCredits is active', () => {
+    process.env.AWF_MAX_AI_CREDITS = '10';
+    resetAiCreditsGuardForTests();
+
+    const usage = applyAiCreditsUsage({
+      input_tokens: 1_000_000,
+      output_tokens: 100_000,
+    }, 'claude-fable-5');
+
+    expect(usage).toMatchObject({
+      aiCreditsThisResponse: 1_500,
+      totalAiCredits: 1_500,
+    });
+    expect(checkUnknownModelRejection('claude-fable-5')).toBeNull();
+    expect(checkUnknownModelRejection('claude-mythos-5')).toBeNull();
+  });
+
   it('uses bundled models.dev pricing for known catalog models', () => {
     const usage = applyAiCreditsUsage({
       input_tokens: 100,

containers/api-proxy/models-dev-catalog.test.js

@@ -35,4 +35,27 @@ describe('models-dev-catalog', () => {
       zeroCost: true,
     });
   });
+
+  it('includes bundled pricing for claude-fable-5 and claude-mythos-5', () => {
+    expect(resolveCatalogModel('claude-fable-5')).toEqual({
+      exists: true,
+      pricing: {
+        input: 10,
+        cachedInput: 1,
+        cacheWrite: 12.5,
+        output: 50,
+      },
+      zeroCost: false,
+    });
+    expect(resolveCatalogModel('claude-mythos-5')).toEqual({
+      exists: true,
+      pricing: {
+        input: 10,
+        cachedInput: 1,
+        cacheWrite: 12.5,
+        output: 50,
+      },
+      zeroCost: false,
+    });
+  });
 });