sync: skills from pinecone-io/skills

[arjunpatel7]

Rendered from d1ee173
by run #25.

tools/build.py is a pure function of skills/ plus
targets/cursor.yaml, so this diff is reproducible:

git checkout d1ee173230ab9d0496ba3c0af064267270bf6127
uv run tools/build.py --target cursor --check

What changed, before this PR was applied

Installed 8 packages in 9ms
cursor  vs  pinecone-io/pinecone-cursor-plugin @ HEAD
  rendered 31 files, live 31 files

MISSING (0) — sync will add

EXTRA (0) — rsync --delete will REMOVE

DIFFERS (3) — sync will overwrite
    pinecone-full-text-search/SKILL.md
    pinecone-full-text-search/references/ingestion.md
    pinecone-full-text-search/references/querying.md

3 discrepancies

MISSING was added, EXTRA was removed, DIFFERS was overwritten.

Skills are no longer adapted by an agent in this repo — every
IDE-specific value comes from the target manifest. Review the diff
as content, not as a transform.