Merge pull request #695 from refly-ai/feat/release-v0.5.0

chore: update release version references to v0.5.0

Merge pull request #631 from refly-ai/fix/share-code

fix(code-viewer): set default visibility for uploaded files to 'public'

Merge pull request #593 from refly-ai/feat/optimize-skill-artifact-op…

…timization

Feat/optimize skill artifact optimization

Merge pull request #559 from refly-ai/fix/canvas-raw-data-not-found

fix(api): add null check and user context retrieval in canvas service

Merge pull request #515 from refly-ai/chore/reverse-proxy-deploy

chore: support reverse proxy deploy