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Revert "fix(embed): stamp gateway-resolved model in content_chunks.model, not compiled default (#2846)"

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This reverts commit 5aa4795c04.
This commit is contained in:
Garry Tan
2026-07-23 12:02:36 -07:00
parent 45f85df8f4
commit 418357332f
3 changed files with 2 additions and 69 deletions
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src/core/postgres-engine.ts
+1 -18
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@@ -2421,23 +2421,6 @@ export class PostgresEngine implements BrainEngine {
const params: unknown[] = [];
let paramIdx = 1;
// Provenance fallback for chunks that don't carry an explicit `model`:
// resolve the model the gateway ACTUALLY uses at runtime, not the
// compile-time DEFAULT_EMBEDDING_MODEL constant. Callers like `embed`
// build ChunkInputs without a `model` field (src/commands/embed.ts), so
// the old `chunk.model || DEFAULT_EMBEDDING_MODEL` fallback stamped the
// hardcoded default (e.g. zeroentropyai:zembed-1) onto rows whose vectors
// were produced by a different, config-resolved model — corrupting the
// provenance that signature-drift staleness + dim-migration logic trust.
// Mirrors the resolve-then-fallback pattern used for schema sizing above.
let resolvedModel: string = DEFAULT_EMBEDDING_MODEL;
try {
const gw = await import('./ai/gateway.ts');
resolvedModel = gw.getEmbeddingModel() || resolvedModel;
} catch {
// Gateway unconfigured (unit tests / pre-connect): keep the default.
}
for (const chunk of chunks) {
const embeddingStr = chunk.embedding
? '[' + Array.from(chunk.embedding).join(',') + ']'
@@ -2467,7 +2450,7 @@ export class PostgresEngine implements BrainEngine {
if (embeddingImageStr) params.push(embeddingImageStr);
params.push(
pageId, chunk.chunk_index, chunk.chunk_text, chunk.chunk_source,
chunk.model || resolvedModel, chunk.token_count || null,
chunk.model || DEFAULT_EMBEDDING_MODEL, chunk.token_count || null,
chunk.language || null, chunk.symbol_name || null, chunk.symbol_type || null,
chunk.start_line ?? null, chunk.end_line ?? null,
parentPath, chunk.doc_comment || null, chunk.symbol_name_qualified || null,