bug: Retrieval function fails because window is undefined

[k1c14k]

Jan version

0.5.16

Describe the Bug

When asked to generate answer based on PDF, document is not included.

Steps to Reproduce

1. Setup RAG
2. Use it
3. Observe it fails

Screenshots / Logs

(node:7552) UnhandledPromiseRejectionWarning: ReferenceError: window is not defined
    at Retrieval.updateEmbeddingEngine (/home/<redacted>/.config/Jan/data/extensions/@janhq/assistant-extension/dist/node/index.js:82281:18)
    at Object.toolRetrievalIngestNewDocument (/home/<redacted>/.config/Jan/data/extensions/@janhq/assistant-extension/dist/node/index.js:82330:12)
    at invokeExtensionFunc (/opt/Jan/resources/app.asar/node_modules/@janhq/core/dist/node/index.cjs.js:658:70)
    at Extension.process (/opt/Jan/resources/app.asar/node_modules/@janhq/core/dist/node/index.cjs.js:653:10)
    at RequestAdapter.process (/opt/Jan/resources/app.asar/node_modules/@janhq/core/dist/node/index.cjs.js:862:57)
    at /opt/Jan/resources/app.asar/node_modules/@janhq/core/dist/node/index.cjs.js:879:56
    at /opt/Jan/resources/app.asar/build/handlers/common.js:53:52
    at step (/opt/Jan/resources/app.asar/build/handlers/common.js:33:23)
    at Object.next (/opt/Jan/resources/app.asar/build/handlers/common.js:14:53)
    at /opt/Jan/resources/app.asar/build/handlers/common.js:8:71
(node:7552) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 2)

What is your OS?

• MacOS
• Windows
• Linux

[louis-menlo]

New Retrieval function upgrade will be done soon, MCP RAG Server. See more in #4824