sync: upstream v1.18.4 (d36a2d898 on dev) - #116

AI review completed with 1 review. Found 40 issues across 1858 files. Not reviewed (too large): packages/opencode/test/tool/fixtures/models-api.json (~188,953 lines), packages/stats/app/src/routes/index.css (~6,002 lines), packages/console/core/migrations/20260626161712_oval_callisto/snapshot.json (~3,093 lines) - if these are generated or fixture files, add them to ignored paths to exclude them from future reviews.