fix(cli): ignore legacy models snapshots

[marius-kilocode]

PR #10949 migrated the generated models snapshot from JavaScript and declaration files to a JSON sidecar. Its .gitignore update replaced the legacy ignore patterns, so files left by earlier builds or generated while handling upstream OpenCode code started appearing as untracked changes.

Retain the old .js and .d.ts ignore patterns alongside the new .json pattern. The current generator still cleans up legacy files, while these rules keep working trees clean before that cleanup runs.

Root cause: #10949

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Two new commits since the previous review (cc2167fc):

1. refactor(sdk): simplify Bun version lookup — Removes the Bun version guard added in the prior commit from packages/sdk/js/script/build.ts. This is correct: the guard was a workaround for the symptom, and the root cause is now fixed at the source level.

2. fix(sdk): stabilize generated event ordering — Fixes the actual root cause in packages/opencode/src/bus/bus-event.ts. The effectPayloads() function now calls .toArray().sort(...) before .map(), ensuring event schemas are emitted in stable alphabetical key order regardless of module evaluation order across Bun versions. The sort comparator (a < b ? -1 : a > b ? 1 : 0) is correct. A test in packages/opencode/test/kilocode/bus/bus-event.test.ts verifies the ordering by registering test.order.z before test.order.a and asserting alphabetical output — this exercises real implementation, not mocks.

The generated artifacts (types.gen.ts, openapi.json) reflect the now-stable schema ordering as expected.

Files Reviewed (5 files)

• packages/opencode/src/bus/bus-event.ts
• packages/opencode/test/kilocode/bus/bus-event.test.ts
• packages/sdk/js/script/build.ts
• packages/sdk/js/src/v2/gen/types.gen.ts
• packages/sdk/openapi.json

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_{Reviewed by claude-4.6-sonnet-20260217 · 459,821 tokens}

_{Review guidance: REVIEW.md from base branch main}