feat: auto-fallback to SQLite when embedded SeekDB is unavailable#993
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knqiufan wants to merge 2 commits into
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feat: auto-fallback to SQLite when embedded SeekDB is unavailable#993knqiufan wants to merge 2 commits into
knqiufan wants to merge 2 commits into
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Centralize platform-aware storage default selection so zero-config startup uses embedded SeekDB only when available, and falls back to SQLite otherwise. Expose memory service readiness and SQLite capability limitations through server status and the dashboard. Closes oceanbase#992
knqiufan
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Summary
powermem.platform_defaultswithchoose_default_database_provider()to centralize zero-config storage selection.DATABASE_PROVIDERandOCEANBASE_HOSTare unset:./data/powermem_dev.db).pyobvector,pyseekdb,pylibseekdb); uses OceanBase embedded mode when available, otherwise falls back to SQLite with a WARNING.storage_capabilitieson/api/v1/system/statusso clients can see SQLite limitations (no Graph Store, sub_stores, sparse vectors, SkillStore)..env.example/.env.example.fullcomments to document platform-aware defaults.Closes #992
Test plan
pytest tests/unit/test_storage_default_provider.pypytest tests/unit/test_seekdb_default_storage.pypowermem-serverstarts, memory APIs return 200 (not 503)powermem[seekdb]: zero-config still uses embedded SeekDB at./seekdb_dataDATABASE_PROVIDER=oceanbaseon non-Linux still surfaces a clear validation error (no silent override)