Release 0.6.15 (#1295)

.changeset/afraid-pots-raise.md

.changeset/proud-mayflies-worry.md

apps/docs/CHANGELOG.md

apps/docs/package.json

packages/autotool/CHANGELOG.md

packages/autotool/examples/01_node/CHANGELOG.md

packages/autotool/examples/01_node/package.json

packages/autotool/examples/02_nextjs/CHANGELOG.md

packages/autotool/examples/02_nextjs/package.json

packages/autotool/package.json

packages/cloud/CHANGELOG.md

packages/cloud/package.json

packages/experimental/CHANGELOG.md

packages/experimental/package.json

packages/llamaindex/CHANGELOG.md

...maindex/e2e/examples/cloudflare-worker-agent/CHANGELOG.md

...maindex/e2e/examples/cloudflare-worker-agent/package.json

.../llamaindex/e2e/examples/llama-parse-browser/CHANGELOG.md

.../llamaindex/e2e/examples/llama-parse-browser/package.json

packages/llamaindex/e2e/examples/nextjs-agent/CHANGELOG.md