chore: update bun.lock for bin rename

DIVERGENCES.md

@@ -14,6 +14,7 @@ future `packages/codev-*`) never conflict and are not tracked here.
 | `packages/core/src/global.ts` | `const app = "opencode"` → `"codev-code"` | Config/data/cache/state dirs under `~/.config/codev-code` etc. | Keep ours (the one constant); take upstream's surrounding changes. |
 | `packages/opencode/src/index.ts` | `scriptName("opencode")` → `"codev code"`; `show()` prefix check `"opencode "` → `"codev code "` | Help/usage text shows the real user-facing command. The `show()` check must always match the scriptName. | Keep our two strings; take upstream's surrounding changes. |
 | `packages/opencode/package.json` | bin key `opencode` → `codev-code` (shim path `./bin/opencode` unchanged) | Installed binary is named `codev-code`. | Keep our bin key; take upstream's other fields. |
+| `bun.lock` | Mirrors the bin key rename above | Lockfile records workspace bin mappings. | Regenerate with `bun install`; never hand-merge. |
 | `README.md` | Replaced with fork README | Fork identity, sync + divergence policy. | Keep ours entirely. |
 | `README.*.md` (21 translations) | Deleted | Upstream marketing translations, irrelevant to the fork. | Keep deleted (`git rm` the upstream side of modify/delete conflicts). |
 | `screenshot-uk.png` | Deleted | Orphaned README-translation asset; referenced by nothing. | Keep deleted. |