Custom Gateway with Observational Memory

const coworkerMemory = new Memory({
  storage,
  options: {
    generateTitle: true,
    semanticRecall: true,
    workingMemory: {
      enabled: true,
      schema: workingMemorySchema,
    },
    observationalMemory: {
      model: DEFAULT_OM_MODEL,
      scope: "resource",
      observation: {
        messageTokens: DEFAULT_OBS_THRESHOLD,
      },
      reflection: {
        observationTokens: DEFAULT_REF_THRESHOLD,
      },
    },
  },
  embedder: fastembed,
  vector: coworkerVector,
});

export const mastra = new Mastra({
  agents: { coworkerAgent },
  memory: { coworker: coworkerMemory },
  gateways: {
    cloudflare: new CloudflareGateway(),
  },
}

coworker-1  | Error in agent stream {
coworker-1  |   error: Error: Could not find config for provider cloudflare with model id cloudflare/google/gemini-2.5-flash-lite
coworker-1  |       at ModelsDevGateway.getApiKey (file:///app/node_modules/@mastra/core/dist/chunk-K54LFB4P.js:7918:13)
coworker-1  |       at _ModelRouterLanguageModel.doStream (file:///app/node_modules/@mastra/core/dist/chunk-TU4YMXOQ.js:7053:59)
coworker-1  |       at pRetry.default.retries (file:///app/node_modules/@mastra/core/dist/chunk-MVYP55NA.js:11815:40)
coworker-1  |       at Module.pRetry (file:///app/node_modules/p-retry/index.js:197:25)
coworker-1  |       at createStream (file:///app/node_modules/@mastra/core/dist/chunk-MVYP55NA.js:11812:36)
coworker-1  |       at async Object.start (file:///app/node_modules/@mastra/core/dist/chunk-MVYP55NA.js:2031:27),
coworker-1  |   runId: 'b7463be2-fcc7-4eff-ad91-b4d1d471e8fc',
coworker-1  |   provider: 'cloudflare',
coworker-1  |   modelId: 'google/gemini-2.5-flash-lite'
coworker-1  | }