Docs embeddings indexing fails on macos ARM

[fradav]

I have this error on extension startup (latest 1.1.77 there, macOS 15 on M4) :

log.ts:460   ERR [Extension Host] Failed to load LanceDB: Error: vectordb: failed to load native library.
  You may need to run `npm install @lancedb/vectordb-darwin-arm64`.

  If that does not work, please file a bug report at https://github.com/lancedb/lancedb/issues
      
  Source error: Error: Cannot find module '@lancedb/vectordb-darwin-arm64'
Require stack:
- /Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js
- /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/api/node/extensionHostProcess.js
	at ../../core/node_modules/vectordb/native.js (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:258269:15)
	at __require (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:13:51)
	at ../../core/node_modules/vectordb/dist/query.js (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:258289:27)
	at __require (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:13:51)
	at ../../core/node_modules/vectordb/dist/remote/index.js (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:258666:19)
	at __require (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:13:51)
	at ../../core/node_modules/vectordb/dist/index.js (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:278843:20)
	at __require (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:13:51)
	at /Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:279303:67
	at async _LanceDbIndex.create (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:279303:24)
	at async CodebaseIndexer.getIndexesToBuild (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:712016:30)
	at async CodebaseIndexer.indexFiles (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:712294:32)
	at async CodebaseIndexer.refreshDirs (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:712185:28)
	at async CodebaseIndexer.refreshCodebaseIndex (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:712440:28)
error @ log.ts:460

And indeed, every attempt to index a @docs item fails after encoding all embedding of the content with :

 [Extension Host] Adding 2361 embeddings to db
 [Extension Host] Failed to find favicon for https://wgpu-py.readthedocs.io
   ERR [Extension Host] Error indexing docs at: https://wgpu-py.readthedocs.io/en/stable/ TypeError: lance.connect is not a function
	at _DocsService.getOrCreateLanceTable (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:649223:34)
	at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
	at async _DocsService.addToLance (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:649257:23)
	at async _DocsService.add (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:649341:9)
	at async _DocsService.indexAndAdd (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:648907:11)
	at async _DocsService.reindexDoc (/Users/fradav/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out/extension.js:648659:11)

It is likely a problem with the bundled lancedb from the extension for macos, I guess?

[fradav]

I can indeed confirm that the extension is bundling the wrong arch lanceDB package, namely @lancedb/vectordb-darwin-x64, which is incorrect for an ARM mac.

Workaround :
cd to the /Users/<User>/.vscode/extensions/continue.continue-1.1.77-darwin-arm64/out and just :

npm install @lancedb/vectordb-darwin-arm64

I can confirm the problem is gone after that.