test(cli): cover indexing registry isolation

[marius-kilocode]

Summary

• Add regression coverage for semantic indexing failures leaving the tool registry usable.
• Cover readiness failures, dynamic import failures, conditional semantic tool registration, and bootstrap warning behavior from fix(cli): isolate indexing from tool registry #9615.

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (3 files)

• packages/opencode/test/kilocode/tool-registry-indexing-import-failure.test.ts
• packages/opencode/test/kilocode/tool-registry-indexing.test.ts
• packages/opencode/test/kilocode/tool-registry-semantic-import-failure.test.ts

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_{Reviewed by gpt-5.5-20260423 · 207,167 tokens}