{"version":3,"file":"postgres-CUSXWgTG.mjs","names":["vault.upsertVaultFile","vault.deleteVaultFile","vault.getVaultFile","vault.getVaultFileByInode","vault.getAllVaultFiles","vault.getRecentVaultFiles","vault.countVaultFiles","vault.countVaultFilesWithPrefix","vault.countVaultFilesAfter","vault.getVaultFilesByPaths","vault.getVaultFilesByPathsAfter","vault.getAllVaultFilePaths","vault.getVaultFilePathsWithPrefix","vault.getVaultFilePathsAfter","vault.upsertVaultAliases","vault.deleteVaultAliases","vault.getVaultAlias","vault.replaceLinksForSources","vault.getLinksFromSource","vault.getLinksToTarget","vault.getVaultLinkGraph","vault.getDeadLinks","vault.getDeadLinksWithLineNumbers","vault.getDeadLinksWithPrefix","vault.getDeadLinksAfter","vault.countVaultLinksWithPrefix","vault.countVaultLinksAfter","vault.getVaultLinksFromPaths","vault.getVaultLinkEdges","vault.getVaultLinkEdgesWithPrefix","vault.getVaultLinkEdgesAfter","vault.upsertVaultHealth","vault.getVaultHealth","vault.getOrphans","vault.getOrphansWithPrefix","vault.getOrphansAfter","vault.getLowConnectivity","vault.getLowConnectivityWithPrefix","vault.getLowConnectivityAfter","vault.upsertNameIndex","vault.replaceNameIndex","vault.resolveVaultName","vault.searchVaultNameIndex"],"sources":["../src/storage/postgres/helpers.ts","../src/storage/postgres/search.ts","../src/storage/postgres/vault.ts","../src/storage/postgres/backend.ts"],"sourcesContent":["/**\n * Internal helper utilities for the Postgres storage backend.\n */\n\nimport { STOP_WORDS } from \"../../utils/stop-words.js\";\n\n/**\n * Convert a Buffer of Float32 LE bytes (as stored in SQLite) to number[].\n */\nexport function bufferToVector(buf: Buffer): number[] {\n const floats: number[] = [];\n for (let i = 0; i < buf.length; i += 4) {\n floats.push(buf.readFloatLE(i));\n }\n return floats;\n}\n\n/**\n * Convert a free-text query to a Postgres tsquery string.\n *\n * Uses OR (|) semantics so that a chunk matching ANY query term is returned,\n * ranked by ts_rank (which scores higher when more terms match). AND (&)\n * semantics are too strict for multi-word queries because all terms rarely\n * co-occur in a single chunk.\n *\n * Example: \"Synchrotech interview follow-up Gilles\"\n * → \"synchrotech | interview | follow | gilles\"\n */\nexport function buildPgTsQuery(query: string): string {\n const tokens = query\n .toLowerCase()\n .split(/[\\s\\p{P}]+/u)\n .filter(Boolean)\n .filter((t) => t.length >= 2)\n .filter((t) => !STOP_WORDS.has(t))\n // Sanitize: strip tsquery special characters to prevent syntax errors\n .map((t) => t.replace(/'/g, \"''\").replace(/[&|!():]/g, \"\"))\n .filter(Boolean);\n\n if (tokens.length === 0) {\n const raw = query.replace(/[^a-z0-9]/gi, \" \").trim().split(/\\s+/).filter(Boolean).join(\" | \");\n return raw || \"\";\n }\n\n return tokens.join(\" | \");\n}\n","/**\n * Keyword and semantic search implementations for the Postgres backend.\n * Functions take a `pool` parameter so they can be called from PostgresBackend methods.\n */\n\nimport type { Pool } from \"pg\";\nimport type { SearchResult, SearchOptions } from \"../../memory/search.js\";\nimport { buildPgTsQuery } from \"./helpers.js\";\n\n/**\n * A failed search must not look like a search that found nothing.\n *\n * Both functions below used to catch, log to stderr, and `return []`. The log goes\n * to the daemon's own stderr, which no caller ever sees, so an unreachable backend\n * and a genuine miss were BYTE-IDENTICAL at the call site — `memory_search`\n * reported \"No results found for query: …\" either way.\n *\n * That cost a real wrong answer on 2026-08-04. `pai-pgvector` exited at 13:39Z and\n * the index lived inside it; for the next two hours every memory_search returned\n * cleanly empty. A sibling session searched for an open DMARC point, got nothing,\n * and told the owner nothing was recorded. The search had run against a dead\n * backend and was worthless — and nothing in the reply could have revealed that.\n *\n * So: throw. The MCP shim already turns a thrown error into a visible message, and\n * an error the user can act on beats an empty result they cannot distinguish from\n * the truth. This deliberately makes transient failures noisier — that is the\n * trade, and it is the right way round.\n */\nfunction searchFailure(kind: \"keyword\" | \"semantic\", cause: unknown): Error {\n const detail = cause instanceof Error ? cause.message : String(cause);\n return new Error(\n `Postgres ${kind} search failed — the memory index is unreachable, ` +\n `so this is NOT an empty result set. Check the backend is up ` +\n `(docker start pai-pgvector) and see pai daemon status. Cause: ${detail}`\n );\n}\n\n/**\n * Full-text keyword search using Postgres tsvector/tsquery with 'simple' dictionary.\n */\nexport async function searchKeyword(\n pool: Pool,\n query: string,\n opts?: SearchOptions\n): Promise {\n const maxResults = opts?.maxResults ?? 10;\n\n const tsQuery = buildPgTsQuery(query);\n if (!tsQuery) return [];\n\n const conditions: string[] = [\"fts_vector @@ to_tsquery('simple', $1)\"];\n const params: (string | number)[] = [tsQuery];\n let paramIdx = 2;\n\n if (opts?.projectIds && opts.projectIds.length > 0) {\n const placeholders = opts.projectIds.map(() => `$${paramIdx++}`).join(\", \");\n conditions.push(`project_id IN (${placeholders})`);\n params.push(...opts.projectIds);\n }\n\n if (opts?.sources && opts.sources.length > 0) {\n const placeholders = opts.sources.map(() => `$${paramIdx++}`).join(\", \");\n conditions.push(`source IN (${placeholders})`);\n params.push(...opts.sources);\n }\n\n if (opts?.tiers && opts.tiers.length > 0) {\n const placeholders = opts.tiers.map(() => `$${paramIdx++}`).join(\", \");\n conditions.push(`tier IN (${placeholders})`);\n params.push(...opts.tiers);\n }\n\n params.push(maxResults);\n const limitParam = `$${paramIdx}`;\n\n const sql = `\n SELECT\n project_id,\n path,\n start_line,\n end_line,\n text AS snippet,\n tier,\n source,\n ts_rank(fts_vector, to_tsquery('simple', $1)) AS rank_score\n FROM pai_chunks\n WHERE ${conditions.join(\" AND \")}\n ORDER BY rank_score DESC\n LIMIT ${limitParam}\n `;\n\n try {\n const result = await pool.query<{\n project_id: number;\n path: string;\n start_line: number;\n end_line: number;\n snippet: string;\n tier: string;\n source: string;\n rank_score: number;\n }>(sql, params);\n\n return result.rows.map((row) => ({\n projectId: row.project_id,\n path: row.path,\n startLine: row.start_line,\n endLine: row.end_line,\n snippet: row.snippet,\n score: row.rank_score,\n tier: row.tier,\n source: row.source,\n }));\n } catch (e) {\n process.stderr.write(`[pai-postgres] searchKeyword error: ${e}\\n`);\n throw searchFailure(\"keyword\", e);\n }\n}\n\n/**\n * Semantic vector similarity search using pgvector cosine distance (<=>).\n */\nexport async function searchSemantic(\n pool: Pool,\n queryEmbedding: Float32Array,\n opts?: SearchOptions\n): Promise {\n const maxResults = opts?.maxResults ?? 10;\n\n const conditions: string[] = [\"embedding IS NOT NULL\"];\n const params: (string | number)[] = [];\n let paramIdx = 1;\n\n const vecStr = \"[\" + Array.from(queryEmbedding).join(\",\") + \"]\";\n params.push(vecStr);\n const vecParam = `$${paramIdx++}`;\n\n if (opts?.projectIds && opts.projectIds.length > 0) {\n const placeholders = opts.projectIds.map(() => `$${paramIdx++}`).join(\", \");\n conditions.push(`project_id IN (${placeholders})`);\n params.push(...opts.projectIds);\n }\n\n if (opts?.sources && opts.sources.length > 0) {\n const placeholders = opts.sources.map(() => `$${paramIdx++}`).join(\", \");\n conditions.push(`source IN (${placeholders})`);\n params.push(...opts.sources);\n }\n\n if (opts?.tiers && opts.tiers.length > 0) {\n const placeholders = opts.tiers.map(() => `$${paramIdx++}`).join(\", \");\n conditions.push(`tier IN (${placeholders})`);\n params.push(...opts.tiers);\n }\n\n params.push(maxResults);\n const limitParam = `$${paramIdx}`;\n\n // <=> is cosine distance; 1 - distance = cosine similarity\n const sql = `\n SELECT\n project_id,\n path,\n start_line,\n end_line,\n text AS snippet,\n tier,\n source,\n 1 - (embedding <=> ${vecParam}::vector) AS cosine_similarity\n FROM pai_chunks\n WHERE ${conditions.join(\" AND \")}\n ORDER BY embedding <=> ${vecParam}::vector\n LIMIT ${limitParam}\n `;\n\n try {\n const result = await pool.query<{\n project_id: number;\n path: string;\n start_line: number;\n end_line: number;\n snippet: string;\n tier: string;\n source: string;\n cosine_similarity: number;\n }>(sql, params);\n\n const minScore = opts?.minScore ?? -Infinity;\n\n return result.rows\n .map((row) => ({\n projectId: row.project_id,\n path: row.path,\n startLine: row.start_line,\n endLine: row.end_line,\n snippet: row.snippet,\n score: row.cosine_similarity,\n tier: row.tier,\n source: row.source,\n }))\n .filter((r) => r.score >= minScore);\n } catch (e) {\n process.stderr.write(`[pai-postgres] searchSemantic error: ${e}\\n`);\n throw searchFailure(\"semantic\", e);\n }\n}\n","/**\n * Vault storage operations for the Postgres backend.\n * All functions take a `pool` parameter — called from PostgresBackend methods.\n */\n\nimport type { Pool } from \"pg\";\nimport type {\n VaultFileRow, VaultAliasRow, VaultLinkRow, VaultHealthRow, VaultNameEntry,\n} from \"../interface.js\";\n\n// ---------------------------------------------------------------------------\n// Vault files\n// ---------------------------------------------------------------------------\n\nexport async function upsertVaultFile(pool: Pool, file: VaultFileRow): Promise {\n await pool.query(\n `INSERT INTO vault_files (vault_path, inode, device, hash, title, indexed_at)\n VALUES ($1, $2, $3, $4, $5, $6)\n ON CONFLICT (vault_path) DO UPDATE SET\n inode = EXCLUDED.inode, device = EXCLUDED.device,\n hash = EXCLUDED.hash, title = EXCLUDED.title,\n indexed_at = EXCLUDED.indexed_at`,\n [file.vaultPath, file.inode, file.device, file.hash, file.title, file.indexedAt]\n );\n}\n\nexport async function deleteVaultFile(pool: Pool, vaultPath: string): Promise {\n const client = await pool.connect();\n try {\n await client.query(\"BEGIN\");\n await client.query(\"DELETE FROM vault_links WHERE source_path = $1\", [vaultPath]);\n await client.query(\"DELETE FROM vault_health WHERE vault_path = $1\", [vaultPath]);\n await client.query(\"DELETE FROM vault_name_index WHERE vault_path = $1\", [vaultPath]);\n await client.query(\"DELETE FROM vault_aliases WHERE vault_path = $1 OR canonical_path = $1\", [vaultPath]);\n await client.query(\"DELETE FROM vault_files WHERE vault_path = $1\", [vaultPath]);\n await client.query(\"COMMIT\");\n } catch (e) {\n await client.query(\"ROLLBACK\");\n throw e;\n } finally {\n client.release();\n }\n}\n\ntype VaultFileDbRow = { vault_path: string; inode: string; device: string; hash: string; title: string | null; indexed_at: string };\n\nfunction mapVaultFileRow(row: VaultFileDbRow): VaultFileRow {\n return {\n vaultPath: row.vault_path,\n inode: Number(row.inode),\n device: Number(row.device),\n hash: row.hash,\n title: row.title,\n indexedAt: Number(row.indexed_at),\n };\n}\n\nexport async function getVaultFile(pool: Pool, vaultPath: string): Promise {\n const r = await pool.query(\n \"SELECT vault_path, inode, device, hash, title, indexed_at FROM vault_files WHERE vault_path = $1\",\n [vaultPath]\n );\n return r.rows.length === 0 ? null : mapVaultFileRow(r.rows[0]);\n}\n\nexport async function getVaultFileByInode(pool: Pool, inode: number, device: number): Promise {\n const r = await pool.query(\n \"SELECT vault_path, inode, device, hash, title, indexed_at FROM vault_files WHERE inode = $1 AND device = $2 LIMIT 1\",\n [inode, device]\n );\n return r.rows.length === 0 ? null : mapVaultFileRow(r.rows[0]);\n}\n\nexport async function getAllVaultFiles(pool: Pool): Promise {\n const r = await pool.query(\"SELECT vault_path, inode, device, hash, title, indexed_at FROM vault_files\");\n return r.rows.map(mapVaultFileRow);\n}\n\nexport async function getRecentVaultFiles(pool: Pool, sinceMs: number): Promise {\n const r = await pool.query(\n \"SELECT vault_path, inode, device, hash, title, indexed_at FROM vault_files WHERE indexed_at > $1\",\n [sinceMs]\n );\n return r.rows.map(mapVaultFileRow);\n}\n\nexport async function countVaultFiles(pool: Pool): Promise {\n const r = await pool.query<{ n: string }>(\"SELECT COUNT(*)::text AS n FROM vault_files\");\n return parseInt(r.rows[0]?.n ?? \"0\", 10);\n}\n\nexport async function countVaultFilesWithPrefix(pool: Pool, prefix: string): Promise {\n const r = await pool.query<{ n: string }>(\"SELECT COUNT(*) AS n FROM vault_files WHERE vault_path LIKE $1\", [`${prefix}%`]);\n return Number(r.rows[0]?.n ?? 0);\n}\n\nexport async function countVaultFilesAfter(pool: Pool, sinceMs: number): Promise {\n const r = await pool.query<{ n: string }>(\"SELECT COUNT(*) AS n FROM vault_files WHERE indexed_at > $1\", [sinceMs]);\n return Number(r.rows[0]?.n ?? 0);\n}\n\nexport async function getVaultFilesByPaths(pool: Pool, paths: string[]): Promise {\n if (paths.length === 0) return [];\n const placeholders = paths.map((_, i) => `$${i + 1}`).join(\", \");\n const r = await pool.query(\n `SELECT vault_path, inode, device, hash, title, indexed_at FROM vault_files WHERE vault_path IN (${placeholders})`,\n paths\n );\n return r.rows.map(mapVaultFileRow);\n}\n\nexport async function getVaultFilesByPathsAfter(pool: Pool, paths: string[], sinceMs: number): Promise {\n if (paths.length === 0) return [];\n const placeholders = paths.map((_, i) => `$${i + 1}`).join(\", \");\n const r = await pool.query(\n `SELECT vault_path, inode, device, hash, title, indexed_at FROM vault_files WHERE vault_path IN (${placeholders}) AND indexed_at >= $${paths.length + 1} ORDER BY indexed_at ASC`,\n [...paths, sinceMs]\n );\n return r.rows.map(mapVaultFileRow);\n}\n\nexport async function getAllVaultFilePaths(pool: Pool): Promise {\n const r = await pool.query<{ vault_path: string }>(\"SELECT vault_path FROM vault_files\");\n return r.rows.map(row => row.vault_path);\n}\n\nexport async function getVaultFilePathsWithPrefix(pool: Pool, prefix: string): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vault_path FROM vault_files WHERE vault_path LIKE $1\",\n [`${prefix}%`]\n );\n return r.rows.map(row => row.vault_path);\n}\n\nexport async function getVaultFilePathsAfter(pool: Pool, sinceMs: number): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vault_path FROM vault_files WHERE indexed_at > $1\",\n [sinceMs]\n );\n return r.rows.map(row => row.vault_path);\n}\n\n// ---------------------------------------------------------------------------\n// Vault aliases\n// ---------------------------------------------------------------------------\n\nexport async function upsertVaultAliases(pool: Pool, aliases: VaultAliasRow[]): Promise {\n if (aliases.length === 0) return;\n const client = await pool.connect();\n try {\n await client.query(\"BEGIN\");\n for (const a of aliases) {\n await client.query(\n `INSERT INTO vault_aliases (vault_path, canonical_path, inode, device)\n VALUES ($1, $2, $3, $4)\n ON CONFLICT (vault_path) DO UPDATE SET\n canonical_path = EXCLUDED.canonical_path,\n inode = EXCLUDED.inode, device = EXCLUDED.device`,\n [a.vaultPath, a.canonicalPath, a.inode, a.device]\n );\n }\n await client.query(\"COMMIT\");\n } catch (e) {\n await client.query(\"ROLLBACK\");\n throw e;\n } finally {\n client.release();\n }\n}\n\nexport async function deleteVaultAliases(pool: Pool, canonicalPath: string): Promise {\n await pool.query(\"DELETE FROM vault_aliases WHERE canonical_path = $1\", [canonicalPath]);\n}\n\nexport async function getVaultAlias(pool: Pool, vaultPath: string): Promise<{ canonicalPath: string } | null> {\n const r = await pool.query<{ canonical_path: string }>(\n \"SELECT canonical_path FROM vault_aliases WHERE vault_path = $1\",\n [vaultPath]\n );\n return r.rows.length > 0 ? { canonicalPath: r.rows[0].canonical_path } : null;\n}\n\n// ---------------------------------------------------------------------------\n// Vault links\n// ---------------------------------------------------------------------------\n\ntype VaultLinkDbRow = { source_path: string; target_raw: string; target_path: string | null; link_type: string; line_number: number; confidence?: string };\n\nfunction mapVaultLinkRow(row: VaultLinkDbRow): VaultLinkRow {\n return {\n sourcePath: row.source_path,\n targetRaw: row.target_raw,\n targetPath: row.target_path,\n linkType: row.link_type,\n lineNumber: row.line_number,\n confidence: (row.confidence as VaultLinkRow[\"confidence\"]) ?? \"EXTRACTED\",\n };\n}\n\nexport async function replaceLinksForSources(pool: Pool, sourcePaths: string[], links: VaultLinkRow[]): Promise {\n const client = await pool.connect();\n try {\n await client.query(\"BEGIN\");\n if (sourcePaths.length > 0) {\n await client.query(\n \"DELETE FROM vault_links WHERE source_path = ANY($1::text[])\",\n [sourcePaths]\n );\n }\n // Collapse duplicates on the conflict key before batching. One line can\n // legitimately carry the same target twice (\"see [[X]] and [[X]] again\"),\n // which yields two rows with the same (source_path, target_raw,\n // line_number). Postgres refuses a multi-row INSERT that would touch one\n // row twice — \"ON CONFLICT DO UPDATE command cannot affect row a second\n // time\" — and the whole vault index pass rolls back on it. Last occurrence\n // wins, which is what DO UPDATE would have left behind anyway.\n const deduped = new Map();\n for (const l of links) {\n deduped.set(`${l.sourcePath}\\u0000${l.targetRaw}\\u0000${l.lineNumber}`, l);\n }\n const uniqueLinks = [...deduped.values()];\n\n for (let i = 0; i < uniqueLinks.length; i += 500) {\n const batch = uniqueLinks.slice(i, i + 500);\n const values: string[] = [];\n const params: (string | number | null)[] = [];\n let idx = 1;\n for (const l of batch) {\n values.push(`($${idx++}, $${idx++}, $${idx++}, $${idx++}, $${idx++}, $${idx++})`);\n params.push(l.sourcePath, l.targetRaw, l.targetPath, l.linkType, l.lineNumber, l.confidence ?? \"EXTRACTED\");\n }\n await client.query(\n `INSERT INTO vault_links (source_path, target_raw, target_path, link_type, line_number, confidence)\n VALUES ${values.join(\", \")}\n ON CONFLICT (source_path, target_raw, line_number) DO UPDATE SET\n target_path = EXCLUDED.target_path, link_type = EXCLUDED.link_type,\n confidence = EXCLUDED.confidence`,\n params\n );\n }\n await client.query(\"COMMIT\");\n } catch (e) {\n await client.query(\"ROLLBACK\");\n throw e;\n } finally {\n client.release();\n }\n}\n\nexport async function getLinksFromSource(pool: Pool, sourcePath: string): Promise {\n const r = await pool.query(\n \"SELECT source_path, target_raw, target_path, link_type, line_number, confidence FROM vault_links WHERE source_path = $1\",\n [sourcePath]\n );\n return r.rows.map(mapVaultLinkRow);\n}\n\nexport async function getLinksToTarget(pool: Pool, targetPath: string): Promise {\n const r = await pool.query(\n \"SELECT source_path, target_raw, target_path, link_type, line_number, confidence FROM vault_links WHERE target_path = $1\",\n [targetPath]\n );\n return r.rows.map(mapVaultLinkRow);\n}\n\nexport async function getVaultLinkGraph(pool: Pool): Promise> {\n const r = await pool.query<{ source_path: string; target_path: string }>(\n \"SELECT source_path, target_path FROM vault_links WHERE target_path IS NOT NULL\"\n );\n return r.rows;\n}\n\nexport async function getDeadLinks(pool: Pool): Promise> {\n const r = await pool.query<{ source_path: string; target_raw: string }>(\n \"SELECT source_path, target_raw FROM vault_links WHERE target_path IS NULL\"\n );\n return r.rows.map(row => ({ sourcePath: row.source_path, targetRaw: row.target_raw }));\n}\n\nexport async function getDeadLinksWithLineNumbers(pool: Pool): Promise> {\n const r = await pool.query<{ source_path: string; target_raw: string; line_number: number }>(\n \"SELECT source_path, target_raw, line_number FROM vault_links WHERE target_path IS NULL\"\n );\n return r.rows.map(row => ({ sourcePath: row.source_path, targetRaw: row.target_raw, lineNumber: row.line_number }));\n}\n\nexport async function getDeadLinksWithPrefix(pool: Pool, prefix: string): Promise> {\n const r = await pool.query<{ source_path: string; target_raw: string; line_number: number }>(\n \"SELECT source_path, target_raw, line_number FROM vault_links WHERE target_path IS NULL AND source_path LIKE $1\",\n [`${prefix}%`]\n );\n return r.rows.map(row => ({ sourcePath: row.source_path, targetRaw: row.target_raw, lineNumber: row.line_number }));\n}\n\nexport async function getDeadLinksAfter(pool: Pool, sinceMs: number): Promise> {\n const r = await pool.query<{ source_path: string; target_raw: string; line_number: number }>(\n \"SELECT source_path, target_raw, line_number FROM vault_links WHERE target_path IS NULL AND source_path IN (SELECT vault_path FROM vault_files WHERE indexed_at > $1)\",\n [sinceMs]\n );\n return r.rows.map(row => ({ sourcePath: row.source_path, targetRaw: row.target_raw, lineNumber: row.line_number }));\n}\n\nexport async function countVaultLinksWithPrefix(pool: Pool, prefix: string): Promise {\n const r = await pool.query<{ n: string }>(\"SELECT COUNT(*) AS n FROM vault_links WHERE source_path LIKE $1\", [`${prefix}%`]);\n return Number(r.rows[0]?.n ?? 0);\n}\n\nexport async function countVaultLinksAfter(pool: Pool, sinceMs: number): Promise {\n const r = await pool.query<{ n: string }>(\n \"SELECT COUNT(*) AS n FROM vault_links WHERE source_path IN (SELECT vault_path FROM vault_files WHERE indexed_at > $1)\",\n [sinceMs]\n );\n return Number(r.rows[0]?.n ?? 0);\n}\n\nexport async function getVaultLinksFromPaths(pool: Pool, sourcePaths: string[]): Promise {\n if (sourcePaths.length === 0) return [];\n const placeholders = sourcePaths.map((_, i) => `$${i + 1}`).join(\", \");\n const r = await pool.query(\n `SELECT source_path, target_raw, target_path, link_type, line_number, confidence FROM vault_links WHERE source_path IN (${placeholders}) AND target_path IS NOT NULL`,\n sourcePaths\n );\n return r.rows.map(mapVaultLinkRow);\n}\n\nexport async function getVaultLinkEdges(pool: Pool): Promise> {\n const r = await pool.query<{ source: string; target: string }>(\n \"SELECT DISTINCT source_path AS source, target_path AS target FROM vault_links WHERE target_path IS NOT NULL\"\n );\n return r.rows;\n}\n\nexport async function getVaultLinkEdgesWithPrefix(pool: Pool, prefix: string): Promise> {\n const r = await pool.query<{ source: string; target: string }>(\n \"SELECT DISTINCT source_path AS source, target_path AS target FROM vault_links WHERE target_path IS NOT NULL AND source_path LIKE $1\",\n [`${prefix}%`]\n );\n return r.rows;\n}\n\nexport async function getVaultLinkEdgesAfter(pool: Pool, sinceMs: number): Promise> {\n const r = await pool.query<{ source: string; target: string }>(\n \"SELECT DISTINCT source_path AS source, target_path AS target FROM vault_links WHERE target_path IS NOT NULL AND source_path IN (SELECT vault_path FROM vault_files WHERE indexed_at > $1)\",\n [sinceMs]\n );\n return r.rows;\n}\n\n// ---------------------------------------------------------------------------\n// Vault health\n// ---------------------------------------------------------------------------\n\ntype VaultHealthDbRow = { vault_path: string; inbound_count: number; outbound_count: number; dead_link_count: number; is_orphan: number; computed_at: string };\n\nfunction mapVaultHealthRow(row: VaultHealthDbRow): VaultHealthRow {\n return {\n vaultPath: row.vault_path,\n inboundCount: row.inbound_count,\n outboundCount: row.outbound_count,\n deadLinkCount: row.dead_link_count,\n isOrphan: row.is_orphan === 1,\n computedAt: Number(row.computed_at),\n };\n}\n\nexport async function upsertVaultHealth(pool: Pool, rows: VaultHealthRow[]): Promise {\n if (rows.length === 0) return;\n const client = await pool.connect();\n try {\n await client.query(\"BEGIN\");\n for (const h of rows) {\n await client.query(\n `INSERT INTO vault_health (vault_path, inbound_count, outbound_count, dead_link_count, is_orphan, computed_at)\n VALUES ($1, $2, $3, $4, $5, $6)\n ON CONFLICT (vault_path) DO UPDATE SET\n inbound_count = EXCLUDED.inbound_count,\n outbound_count = EXCLUDED.outbound_count,\n dead_link_count = EXCLUDED.dead_link_count,\n is_orphan = EXCLUDED.is_orphan,\n computed_at = EXCLUDED.computed_at`,\n [h.vaultPath, h.inboundCount, h.outboundCount, h.deadLinkCount, h.isOrphan ? 1 : 0, h.computedAt]\n );\n }\n await client.query(\"COMMIT\");\n } catch (e) {\n await client.query(\"ROLLBACK\");\n throw e;\n } finally {\n client.release();\n }\n}\n\nexport async function getVaultHealth(pool: Pool, vaultPath: string): Promise {\n const r = await pool.query(\n \"SELECT vault_path, inbound_count, outbound_count, dead_link_count, is_orphan, computed_at FROM vault_health WHERE vault_path = $1\",\n [vaultPath]\n );\n return r.rows.length === 0 ? null : mapVaultHealthRow(r.rows[0]);\n}\n\nexport async function getOrphans(pool: Pool): Promise {\n const r = await pool.query(\n \"SELECT vault_path, inbound_count, outbound_count, dead_link_count, is_orphan, computed_at FROM vault_health WHERE is_orphan = 1\"\n );\n return r.rows.map(row => ({ ...mapVaultHealthRow(row), isOrphan: true }));\n}\n\nexport async function getOrphansWithPrefix(pool: Pool, prefix: string): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vault_path FROM vault_health WHERE is_orphan = 1 AND vault_path LIKE $1\",\n [`${prefix}%`]\n );\n return r.rows.map(row => row.vault_path);\n}\n\nexport async function getOrphansAfter(pool: Pool, sinceMs: number): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vh.vault_path FROM vault_health vh JOIN vault_files vf ON vh.vault_path = vf.vault_path WHERE vh.is_orphan = 1 AND vf.indexed_at > $1\",\n [sinceMs]\n );\n return r.rows.map(row => row.vault_path);\n}\n\nexport async function getLowConnectivity(pool: Pool): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vault_path FROM vault_health WHERE inbound_count + outbound_count <= 1\"\n );\n return r.rows.map(row => row.vault_path);\n}\n\nexport async function getLowConnectivityWithPrefix(pool: Pool, prefix: string): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vault_path FROM vault_health WHERE inbound_count + outbound_count <= 1 AND vault_path LIKE $1\",\n [`${prefix}%`]\n );\n return r.rows.map(row => row.vault_path);\n}\n\nexport async function getLowConnectivityAfter(pool: Pool, sinceMs: number): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vh.vault_path FROM vault_health vh JOIN vault_files vf ON vh.vault_path = vf.vault_path WHERE vh.inbound_count + vh.outbound_count <= 1 AND vf.indexed_at > $1\",\n [sinceMs]\n );\n return r.rows.map(row => row.vault_path);\n}\n\n// ---------------------------------------------------------------------------\n// Vault name index\n// ---------------------------------------------------------------------------\n\nexport async function upsertNameIndex(pool: Pool, entries: VaultNameEntry[]): Promise {\n if (entries.length === 0) return;\n const client = await pool.connect();\n try {\n await client.query(\"BEGIN\");\n for (const e of entries) {\n await client.query(\n `INSERT INTO vault_name_index (name, vault_path)\n VALUES ($1, $2) ON CONFLICT (name, vault_path) DO NOTHING`,\n [e.name, e.vaultPath]\n );\n }\n await client.query(\"COMMIT\");\n } catch (e_) {\n await client.query(\"ROLLBACK\");\n throw e_;\n } finally {\n client.release();\n }\n}\n\nexport async function replaceNameIndex(pool: Pool, entries: VaultNameEntry[]): Promise {\n const client = await pool.connect();\n try {\n await client.query(\"BEGIN\");\n await client.query(\"DELETE FROM vault_name_index\");\n for (let i = 0; i < entries.length; i += 500) {\n const batch = entries.slice(i, i + 500);\n const values: string[] = [];\n const params: string[] = [];\n let idx = 1;\n for (const e of batch) {\n values.push(`($${idx++}, $${idx++})`);\n params.push(e.name, e.vaultPath);\n }\n await client.query(\n `INSERT INTO vault_name_index (name, vault_path) VALUES ${values.join(\", \")}`,\n params\n );\n }\n await client.query(\"COMMIT\");\n } catch (e) {\n await client.query(\"ROLLBACK\");\n throw e;\n } finally {\n client.release();\n }\n}\n\nexport async function resolveVaultName(pool: Pool, name: string): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT vault_path FROM vault_name_index WHERE name = $1\",\n [name]\n );\n return r.rows.map(row => row.vault_path);\n}\n\nexport async function searchVaultNameIndex(pool: Pool, query: string, limit = 100): Promise {\n const r = await pool.query<{ vault_path: string }>(\n \"SELECT DISTINCT vault_path FROM vault_name_index WHERE lower(name) LIKE lower($1) LIMIT $2\",\n [`%${query}%`, limit]\n );\n return r.rows.map(row => row.vault_path);\n}\n","/**\n * PostgresBackend — implements StorageBackend using PostgreSQL + pgvector.\n *\n * Vector similarity: pgvector's <=> cosine distance operator\n * Full-text search: PostgreSQL tsvector/tsquery (replaces SQLite FTS5)\n * Connection pooling: node-postgres Pool\n *\n * Schema is auto-initialized on first connection if tables don't exist.\n * Per-user database isolation: each macOS user gets their own database (pai_).\n */\n\nimport pg from \"pg\";\nimport type { Pool, PoolClient } from \"pg\";\nimport { readFileSync } from \"node:fs\";\nimport { join, dirname } from \"node:path\";\nimport { fileURLToPath } from \"node:url\";\nimport type {\n StorageBackend, ChunkRow, FileRow, FederationStats,\n VaultFileRow, VaultAliasRow, VaultLinkRow, VaultHealthRow, VaultNameEntry,\n} from \"../interface.js\";\nimport type { SearchResult, SearchOptions } from \"../../memory/search.js\";\nimport type { PostgresConfig } from \"./config.js\";\nimport { bufferToVector } from \"./helpers.js\";\nimport { searchKeyword, searchSemantic } from \"./search.js\";\nimport * as vault from \"./vault.js\";\n\nconst { Pool: PgPool } = pg;\n\nexport class PostgresBackend implements StorageBackend {\n readonly backendType = \"postgres\" as const;\n\n private pool: Pool;\n\n /**\n * Ensure the per-user database exists and has the required schema.\n * Connects to the default 'postgres' database to CREATE DATABASE if needed,\n * then connects to the target database to apply init.sql schema.\n * Safe to call multiple times (fully idempotent).\n */\n static async ensureDatabase(config: PostgresConfig): Promise {\n const connStr =\n config.connectionString ??\n `postgresql://${config.user ?? \"pai\"}:${config.password ?? \"pai\"}@${config.host ?? \"localhost\"}:${config.port ?? 5432}/${config.database ?? \"pai\"}`;\n const url = new URL(connStr);\n const targetDb = url.pathname.slice(1);\n\n const adminUrl = new URL(connStr);\n adminUrl.pathname = \"/postgres\";\n const adminPool = new PgPool({\n connectionString: adminUrl.toString(),\n max: 1,\n connectionTimeoutMillis: 5000,\n });\n\n try {\n const check = await adminPool.query(\n \"SELECT 1 FROM pg_database WHERE datname = $1\",\n [targetDb]\n );\n if (check.rowCount === 0) {\n await adminPool.query(`CREATE DATABASE \"${targetDb}\"`);\n process.stderr.write(`[pai-postgres] Created database: ${targetDb}\\n`);\n }\n } finally {\n await adminPool.end();\n }\n\n const targetPool = new PgPool({\n connectionString: connStr,\n max: 1,\n connectionTimeoutMillis: 5000,\n });\n\n try {\n const tableCheck = await targetPool.query(\n \"SELECT 1 FROM information_schema.tables WHERE table_name = 'pai_chunks'\"\n );\n if (tableCheck.rowCount === 0) {\n const __dirname = dirname(fileURLToPath(import.meta.url));\n const initSqlPath = join(__dirname, \"../../docker/init.sql\");\n let initSql: string;\n try {\n initSql = readFileSync(initSqlPath, \"utf-8\");\n } catch {\n const altPath = join(__dirname, \"../docker/init.sql\");\n initSql = readFileSync(altPath, \"utf-8\");\n }\n await targetPool.query(initSql);\n process.stderr.write(`[pai-postgres] Applied schema to database: ${targetDb}\\n`);\n }\n\n // Run incremental migrations for existing databases\n await PostgresBackend.runMigrations(targetPool);\n } finally {\n await targetPool.end();\n }\n }\n\n /**\n * Run incremental migrations for existing databases.\n * Each migration is idempotent — safe to run on databases that already have the change.\n */\n private static async runMigrations(pool: Pool): Promise {\n // Migration: add confidence column to vault_links if it does not exist\n const colCheck = await pool.query(\n `SELECT 1 FROM information_schema.columns\n WHERE table_name = 'vault_links' AND column_name = 'confidence'`\n );\n if (colCheck.rowCount === 0) {\n await pool.query(\n \"ALTER TABLE vault_links ADD COLUMN confidence TEXT NOT NULL DEFAULT 'EXTRACTED'\"\n );\n process.stderr.write(\"[pai-postgres] Migration: added confidence column to vault_links\\n\");\n }\n\n // Migration: create kg_triples table if it does not exist\n const kgCheck = await pool.query(\n `SELECT 1 FROM information_schema.tables WHERE table_name = 'kg_triples'`\n );\n if (kgCheck.rowCount === 0) {\n await pool.query(`\n CREATE TABLE kg_triples (\n id SERIAL PRIMARY KEY,\n subject TEXT NOT NULL,\n predicate TEXT NOT NULL,\n object TEXT NOT NULL,\n project_id INTEGER,\n source_session TEXT,\n valid_from TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n valid_to TIMESTAMP,\n confidence TEXT DEFAULT 'EXTRACTED',\n created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n )\n `);\n await pool.query(`CREATE INDEX idx_kg_subject ON kg_triples(subject)`);\n await pool.query(`CREATE INDEX idx_kg_predicate ON kg_triples(predicate)`);\n await pool.query(`CREATE INDEX idx_kg_object ON kg_triples(object)`);\n await pool.query(`CREATE INDEX idx_kg_valid ON kg_triples(valid_from, valid_to)`);\n process.stderr.write(\"[pai-postgres] Migration: created kg_triples table\\n\");\n }\n }\n\n constructor(config: PostgresConfig) {\n const connStr =\n config.connectionString ??\n `postgresql://${config.user ?? \"pai\"}:${config.password ?? \"pai\"}@${config.host ?? \"localhost\"}:${config.port ?? 5432}/${config.database ?? \"pai\"}`;\n\n this.pool = new PgPool({\n connectionString: connStr,\n max: config.maxConnections ?? 5,\n connectionTimeoutMillis: config.connectionTimeoutMs ?? 5000,\n idleTimeoutMillis: 30_000,\n });\n\n this.pool.on(\"error\", (err) => {\n process.stderr.write(`[pai-postgres] Pool error: ${err.message}\\n`);\n });\n }\n\n // -------------------------------------------------------------------------\n // Lifecycle\n // -------------------------------------------------------------------------\n\n async close(): Promise {\n await this.pool.end();\n }\n\n /**\n * Expose the underlying pg.Pool for callers that need direct query access\n * (e.g. the daemon's observation IPC methods).\n */\n getPool(): Pool {\n return this.pool;\n }\n\n async getStats(): Promise {\n const client = await this.pool.connect();\n try {\n const filesResult = await client.query<{ n: string }>(\n \"SELECT COUNT(*)::text AS n FROM pai_files\"\n );\n const chunksResult = await client.query<{ n: string }>(\n \"SELECT COUNT(*)::text AS n FROM pai_chunks\"\n );\n return {\n files: parseInt(filesResult.rows[0]?.n ?? \"0\", 10),\n chunks: parseInt(chunksResult.rows[0]?.n ?? \"0\", 10),\n };\n } finally {\n client.release();\n }\n }\n\n /**\n * Test the connection by running a trivial query.\n * Returns null on success, error message on failure.\n */\n async testConnection(): Promise {\n let client: PoolClient | null = null;\n try {\n client = await this.pool.connect();\n await client.query(\"SELECT 1\");\n return null;\n } catch (e) {\n return e instanceof Error ? e.message : String(e);\n } finally {\n client?.release();\n }\n }\n\n // -------------------------------------------------------------------------\n // File tracking\n // -------------------------------------------------------------------------\n\n async getFileHash(projectId: number, path: string): Promise {\n const result = await this.pool.query<{ hash: string }>(\n \"SELECT hash FROM pai_files WHERE project_id = $1 AND path = $2\",\n [projectId, path]\n );\n return result.rows[0]?.hash;\n }\n\n async upsertFile(file: FileRow): Promise {\n await this.pool.query(\n `INSERT INTO pai_files (project_id, path, source, tier, hash, mtime, size)\n VALUES ($1, $2, $3, $4, $5, $6, $7)\n ON CONFLICT (project_id, path) DO UPDATE SET\n source = EXCLUDED.source,\n tier = EXCLUDED.tier,\n hash = EXCLUDED.hash,\n mtime = EXCLUDED.mtime,\n size = EXCLUDED.size`,\n [file.projectId, file.path, file.source, file.tier, file.hash, file.mtime, file.size]\n );\n }\n\n // -------------------------------------------------------------------------\n // Chunk management\n // -------------------------------------------------------------------------\n\n async getChunkIds(projectId: number, path: string): Promise {\n const result = await this.pool.query<{ id: string }>(\n \"SELECT id FROM pai_chunks WHERE project_id = $1 AND path = $2\",\n [projectId, path]\n );\n return result.rows.map((r) => r.id);\n }\n\n async deleteChunksForFile(projectId: number, path: string): Promise {\n await this.pool.query(\n \"DELETE FROM pai_chunks WHERE project_id = $1 AND path = $2\",\n [projectId, path]\n );\n }\n\n async insertChunks(chunks: ChunkRow[]): Promise {\n if (chunks.length === 0) return;\n\n const client = await this.pool.connect();\n try {\n await client.query(\"BEGIN\");\n\n for (const c of chunks) {\n const safeText = c.text.replace(/\\0/g, \"\");\n\n await client.query(\n `INSERT INTO pai_chunks\n (id, project_id, source, tier, path, start_line, end_line, hash, text, updated_at, fts_vector)\n VALUES\n ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10,\n to_tsvector('simple', $9))\n ON CONFLICT (id) DO UPDATE SET\n project_id = EXCLUDED.project_id,\n source = EXCLUDED.source,\n tier = EXCLUDED.tier,\n path = EXCLUDED.path,\n start_line = EXCLUDED.start_line,\n end_line = EXCLUDED.end_line,\n hash = EXCLUDED.hash,\n text = EXCLUDED.text,\n updated_at = EXCLUDED.updated_at,\n fts_vector = EXCLUDED.fts_vector`,\n [\n c.id, c.projectId, c.source, c.tier, c.path,\n c.startLine, c.endLine, c.hash, safeText, c.updatedAt,\n ]\n );\n }\n\n await client.query(\"COMMIT\");\n } catch (e) {\n await client.query(\"ROLLBACK\");\n throw e;\n } finally {\n client.release();\n }\n }\n\n async getDistinctChunkPaths(projectId: number): Promise {\n const result = await this.pool.query<{ path: string }>(\n \"SELECT DISTINCT path FROM pai_chunks WHERE project_id = $1\",\n [projectId]\n );\n return result.rows.map((r) => r.path);\n }\n\n async deletePaths(projectId: number, paths: string[]): Promise {\n if (paths.length === 0) return;\n const client = await this.pool.connect();\n try {\n await client.query(\"BEGIN\");\n for (const path of paths) {\n await client.query(\"DELETE FROM pai_chunks WHERE project_id = $1 AND path = $2\", [projectId, path]);\n await client.query(\"DELETE FROM pai_files WHERE project_id = $1 AND path = $2\", [projectId, path]);\n }\n await client.query(\"COMMIT\");\n } catch (e) {\n await client.query(\"ROLLBACK\");\n throw e;\n } finally {\n client.release();\n }\n }\n\n async getUnembeddedChunkIds(projectId?: number, limit?: number): Promise> {\n const params: Array = [];\n let sql = \"SELECT id, text, project_id, path FROM pai_chunks WHERE embedding IS NULL\";\n if (projectId !== undefined) {\n params.push(projectId);\n sql += ` AND project_id = $${params.length}`;\n }\n sql += \" ORDER BY project_id, id\";\n if (limit !== undefined) {\n params.push(limit);\n sql += ` LIMIT $${params.length}`;\n }\n const result = await this.pool.query<{ id: string; text: string; project_id: number; path: string }>(sql, params);\n return result.rows;\n }\n\n async updateEmbedding(chunkId: string, embedding: Buffer): Promise {\n const vec = bufferToVector(embedding);\n const vecStr = \"[\" + vec.join(\",\") + \"]\";\n await this.pool.query(\n \"UPDATE pai_chunks SET embedding = $1::vector WHERE id = $2\",\n [vecStr, chunkId]\n );\n }\n\n // -------------------------------------------------------------------------\n // Search\n // -------------------------------------------------------------------------\n\n async searchKeyword(query: string, opts?: SearchOptions): Promise {\n return searchKeyword(this.pool, query, opts);\n }\n\n async searchSemantic(queryEmbedding: Float32Array, opts?: SearchOptions): Promise {\n return searchSemantic(this.pool, queryEmbedding, opts);\n }\n\n // -------------------------------------------------------------------------\n // Vault operations — delegated to vault.ts\n // -------------------------------------------------------------------------\n\n async upsertVaultFile(file: VaultFileRow): Promise { return vault.upsertVaultFile(this.pool, file); }\n async deleteVaultFile(vaultPath: string): Promise { return vault.deleteVaultFile(this.pool, vaultPath); }\n async getVaultFile(vaultPath: string): Promise { return vault.getVaultFile(this.pool, vaultPath); }\n async getVaultFileByInode(inode: number, device: number): Promise { return vault.getVaultFileByInode(this.pool, inode, device); }\n async getAllVaultFiles(): Promise { return vault.getAllVaultFiles(this.pool); }\n async getRecentVaultFiles(sinceMs: number): Promise { return vault.getRecentVaultFiles(this.pool, sinceMs); }\n async countVaultFiles(): Promise { return vault.countVaultFiles(this.pool); }\n async countVaultFilesWithPrefix(prefix: string): Promise { return vault.countVaultFilesWithPrefix(this.pool, prefix); }\n async countVaultFilesAfter(sinceMs: number): Promise { return vault.countVaultFilesAfter(this.pool, sinceMs); }\n async getVaultFilesByPaths(paths: string[]): Promise { return vault.getVaultFilesByPaths(this.pool, paths); }\n async getVaultFilesByPathsAfter(paths: string[], sinceMs: number): Promise { return vault.getVaultFilesByPathsAfter(this.pool, paths, sinceMs); }\n async getAllVaultFilePaths(): Promise { return vault.getAllVaultFilePaths(this.pool); }\n async getVaultFilePathsWithPrefix(prefix: string): Promise { return vault.getVaultFilePathsWithPrefix(this.pool, prefix); }\n async getVaultFilePathsAfter(sinceMs: number): Promise { return vault.getVaultFilePathsAfter(this.pool, sinceMs); }\n\n async upsertVaultAliases(aliases: VaultAliasRow[]): Promise { return vault.upsertVaultAliases(this.pool, aliases); }\n async deleteVaultAliases(canonicalPath: string): Promise { return vault.deleteVaultAliases(this.pool, canonicalPath); }\n async getVaultAlias(vaultPath: string): Promise<{ canonicalPath: string } | null> { return vault.getVaultAlias(this.pool, vaultPath); }\n\n async replaceLinksForSources(sourcePaths: string[], links: VaultLinkRow[]): Promise { return vault.replaceLinksForSources(this.pool, sourcePaths, links); }\n async getLinksFromSource(sourcePath: string): Promise { return vault.getLinksFromSource(this.pool, sourcePath); }\n async getLinksToTarget(targetPath: string): Promise { return vault.getLinksToTarget(this.pool, targetPath); }\n async getVaultLinkGraph(): Promise> { return vault.getVaultLinkGraph(this.pool); }\n async getDeadLinks(): Promise> { return vault.getDeadLinks(this.pool); }\n async getDeadLinksWithLineNumbers(): Promise> { return vault.getDeadLinksWithLineNumbers(this.pool); }\n async getDeadLinksWithPrefix(prefix: string): Promise> { return vault.getDeadLinksWithPrefix(this.pool, prefix); }\n async getDeadLinksAfter(sinceMs: number): Promise> { return vault.getDeadLinksAfter(this.pool, sinceMs); }\n async countVaultLinksWithPrefix(prefix: string): Promise { return vault.countVaultLinksWithPrefix(this.pool, prefix); }\n async countVaultLinksAfter(sinceMs: number): Promise { return vault.countVaultLinksAfter(this.pool, sinceMs); }\n async getVaultLinksFromPaths(sourcePaths: string[]): Promise { return vault.getVaultLinksFromPaths(this.pool, sourcePaths); }\n async getVaultLinkEdges(): Promise> { return vault.getVaultLinkEdges(this.pool); }\n async getVaultLinkEdgesWithPrefix(prefix: string): Promise> { return vault.getVaultLinkEdgesWithPrefix(this.pool, prefix); }\n async getVaultLinkEdgesAfter(sinceMs: number): Promise> { return vault.getVaultLinkEdgesAfter(this.pool, sinceMs); }\n\n async upsertVaultHealth(rows: VaultHealthRow[]): Promise { return vault.upsertVaultHealth(this.pool, rows); }\n async getVaultHealth(vaultPath: string): Promise { return vault.getVaultHealth(this.pool, vaultPath); }\n async getOrphans(): Promise { return vault.getOrphans(this.pool); }\n async getOrphansWithPrefix(prefix: string): Promise { return vault.getOrphansWithPrefix(this.pool, prefix); }\n async getOrphansAfter(sinceMs: number): Promise { return vault.getOrphansAfter(this.pool, sinceMs); }\n async getLowConnectivity(): Promise { return vault.getLowConnectivity(this.pool); }\n async getLowConnectivityWithPrefix(prefix: string): Promise { return vault.getLowConnectivityWithPrefix(this.pool, prefix); }\n async getLowConnectivityAfter(sinceMs: number): Promise { return vault.getLowConnectivityAfter(this.pool, sinceMs); }\n\n async upsertNameIndex(entries: VaultNameEntry[]): Promise { return vault.upsertNameIndex(this.pool, entries); }\n async replaceNameIndex(entries: VaultNameEntry[]): Promise { return vault.replaceNameIndex(this.pool, entries); }\n async resolveVaultName(name: string): Promise { return vault.resolveVaultName(this.pool, name); }\n async searchVaultNameIndex(query: string, limit?: number): Promise { return vault.searchVaultNameIndex(this.pool, query, limit); }\n\n // Legacy memory_chunks methods (used by graph and zettelkasten modules)\n async getChunksWithEmbeddings(projectId: number, limit: number): Promise> {\n const r = await this.pool.query<{ path: string; text: string; embedding: Buffer }>(\n `SELECT path, text, embedding FROM memory_chunks WHERE project_id = $1 AND embedding IS NOT NULL ORDER BY path, start_line LIMIT $2`,\n [projectId, limit]\n );\n return r.rows;\n }\n\n async getChunksForPath(projectId: number, path: string, limit = 20): Promise> {\n const r = await this.pool.query<{ text: string; embedding: Buffer | null }>(\n `SELECT text, embedding FROM memory_chunks WHERE project_id = $1 AND path = $2 AND embedding IS NOT NULL ORDER BY start_line LIMIT $3`,\n [projectId, path, limit]\n );\n return r.rows;\n }\n\n async searchChunksByText(projectId: number, query: string, limit: number): Promise> {\n const r = await this.pool.query<{ path: string; text: string }>(\n `SELECT DISTINCT path, text FROM memory_chunks WHERE project_id = $1 AND lower(text) LIKE lower($2) LIMIT $3`,\n [projectId, `%${query}%`, limit]\n );\n return r.rows;\n 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