Validate adapter event task IDs

[vamgan]

Summary

• ignore adapter stream events whose taskId does not match the running task
• emit a diagnostic task log on the expected task when mismatched events are skipped
• add regression coverage to prevent wrong-task event/log persistence

Tests

• npm ci
• npm run typecheck
• npm test -- --run
• npm run build

Fixes #10

[vamgan]

Closing as superseded by squash-merged PR #12, which includes adapter event task ID validation for #10. PR body was cleaned of co-author/generated trailers before closing.