refactor: extract memory host sdk package

packages/memory-host-sdk/src/engine-storage.ts

@@ -0,0 +1,36 @@
+// Real workspace contract for memory engine storage/index helpers.
+
+export {
+  buildFileEntry,
+  buildMultimodalChunkForIndexing,
+  chunkMarkdown,
+  cosineSimilarity,
+  ensureDir,
+  hashText,
+  listMemoryFiles,
+  normalizeExtraMemoryPaths,
+  parseEmbedding,
+  remapChunkLines,
+  runWithConcurrency,
+  type MemoryChunk,
+  type MemoryFileEntry,
+} from "../../../src/plugins/memory-host/internal.js";
+export { readMemoryFile } from "../../../src/plugins/memory-host/read-file.js";
+export { resolveMemoryBackendConfig } from "../../../src/plugins/memory-host/backend-config.js";
+export type {
+  ResolvedMemoryBackendConfig,
+  ResolvedQmdConfig,
+  ResolvedQmdMcporterConfig,
+} from "../../../src/plugins/memory-host/backend-config.js";
+export type {
+  MemoryEmbeddingProbeResult,
+  MemoryProviderStatus,
+  MemorySearchManager,
+  MemorySearchResult,
+  MemorySource,
+  MemorySyncProgressUpdate,
+} from "../../../src/plugins/memory-host/types.js";
+export { ensureMemoryIndexSchema } from "../../../src/plugins/memory-host/memory-schema.js";
+export { loadSqliteVecExtension } from "../../../src/plugins/memory-host/sqlite-vec.js";
+export { requireNodeSqlite } from "../../../src/plugins/memory-host/sqlite.js";
+export { isFileMissingError, statRegularFile } from "../../../src/plugins/memory-host/fs-utils.js";