fix(ecosystem): propagate miniapp remark and update keyapp dweb id

[Gaubee]

Summary:

• update manifest dweb id/home to keyapp.bf-meta.org
• propagate remark in bio_sendTransaction and bio_destroyAsset full flow
• normalize destroy result payload to txHash/txId/transaction object
• wire destroy dialog FIFO/requestId path in MainTabsActivity
• pass remark in dweb-compat signature bridge

Validation:

• pnpm vitest run --project=unit src/services/ecosystem/tests/transfer-handler.test.ts src/services/ecosystem/tests/destroy-handler.test.ts src/stackflow/activities/sheets/MiniappConfirmJobs.regression.test.tsx
• pnpm vitest run --project=unit src/services/ecosystem/tests/bridge.test.ts

Note:

• pnpm typecheck:run currently fails on existing unrelated repo issues.