feat(i18n): ADR-0029 D8 — migrate i18n ownership for moved domains to their plugins

[os-zhuang]

Closes the ADR-0029 D8 follow-up tracked since K2.a: the object i18n for the already-moved domains lived in the @objectstack/platform-objects generated bundles even though the objects now live in their capability plugins. This migrates each domain's i18n extraction + bundles + runtime loading to the owning plugin, preserving every hand-translated string (zh-CN / ja-JP / es-ES).

Done with the real os i18n extract tooling (not hand-edited generated files), as requested.

Per plugin

Each plugin gains:

• a build-time scripts/i18n-extract.config.ts (self-baselined against its own generated bundles so --merge re-runs preserve translations);
• a src/translations/ bundle — {en,zh-CN,ja-JP,es-ES}.objects.generated.ts + an index.ts barrel exporting a TranslationBundle;
• a kernel:ready hook that loads the bundle via i18n.loadTranslations (best-effort; the i18n service is optional).

Plugin	Objects	Keys/locale
plugin-webhooks	sys_webhook, sys_webhook_delivery	69
plugin-approvals	sys_approval_request, sys_approval_action	60
plugin-security	sys_role, sys_permission_set, sys_user_permission_set, sys_role_permission_set	86
plugin-sharing	sys_record_share, sys_sharing_rule, sys_share_link	121

platform-objects

Regenerated its translation bundles (its extract config already excluded these objects). The moved objects' keys are dropped; all other objects' translations and the metadata-form bundles are preserved (objects: 1634 keys/locale + 430 metadataForms).

How the seed preserved translations

Each plugin's extract was first run with a temporary baseline pointing at platform-objects' existing bundles + a --filter for that plugin's objects, so the hand-translated zh-CN/ja-JP/es-ES strings carried over; the committed config then self-baselines for future runs.

Verification

• Moved objects gone from platform-objects bundles (sys_webhook/sys_approval_request/sys_role/… = 0); retained objects intact (sys_user = 1).
• zh-CN preserved in plugin bundles (e.g. sys_role → "角色", sys_approval_request → "审批请求", sys_webhook description in Chinese).
• turbo build (5 packages + dep graph, incl. DTS type-check): green
• Tests: platform-objects 58 / plugin-webhooks 45 / plugin-approvals 30 / plugin-security 76 / plugin-sharing 54 — green

Notes

• Atomic by necessity: platform-objects can only be regenerated once all moved domains own their bundles (otherwise their translations would be dropped before the plugins provide them) — hence all four in one PR.
• Includes the driver-mongodb CI-skip fix already on main, so Test Core should be green.

https://claude.ai/code/session_01Tv6F1Ub6bhCedrx3r8sZM4

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