* fix(docker): add system ripgrep via apt for keyword search fallback
* fix(ci): install ripgrep and npm deps for keyword search in CI
* fix(memory-search): warn when ripgrep not resolvable instead of silent skip
* fix(memory-doctor): check rg status, arch mismatch, and require errors
* test(memory): add keyword search and doctor unit tests
* test(memory): unskip e2e keyword tests without RUN_LIVE
* docs(handoff): add handoff and ADR for keyword search fix
* test(memory): remove unused var in keyword search test
* docs(handoff): set PR number to 124
* docs(project-map): update after structural changes (PR#124)
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Co-authored-by: opencode-agent <agent@opencode.local>
