release: v2.0.1 - Advanced Knowledge Mix & Architectural Intelligence

src/retrieval/index.ts

@@ -98,23 +98,31 @@ export class RetrievalOrchestrator {
         fusionLog.push(`Expanded tokens: [${expandedTokens.slice(0, 15).join(', ')}]`);
 
         // ── ① Brain File Search (TF-IDF enhanced, optionally hybrid with embeddings) ──
+        // `brainFileLimit === 0` is meaningful (Knowledge Mix "model knowledge only"
+        // mode), so use `??` rather than `||`. When the caller explicitly passes 0,
+        // we skip retrieval entirely instead of falling back to the default of 8.
         const scopeFolders = options.scopeFolders ?? [];
-        const brainChunks = this.searchBrainFiles(
-            query,
-            expandedTokens,
-            options.brain,
-            options.brainFileLimit || 8,
-            options.includeRawConversations || false,
-            scopeFolders,
-            options.queryEmbedding,
-            options.embeddingModel,
-            options.embeddingBlendAlpha
-        );
+        const brainFileLimit = options.brainFileLimit ?? 8;
+        const brainChunks = brainFileLimit > 0
+            ? this.searchBrainFiles(
+                query,
+                expandedTokens,
+                options.brain,
+                brainFileLimit,
+                options.includeRawConversations || false,
+                scopeFolders,
+                options.queryEmbedding,
+                options.embeddingModel,
+                options.embeddingBlendAlpha
+            )
+            : [];
         allChunks.push(...brainChunks);
         fusionLog.push(
-            scopeFolders.length > 0
-                ? `Brain search (scoped to ${scopeFolders.length} folder(s)): ${brainChunks.length} chunks`
-                : `Brain search: ${brainChunks.length} chunks found`
+            brainFileLimit === 0
+                ? 'Brain search: skipped (Knowledge Mix weight = 0)'
+                : scopeFolders.length > 0
+                    ? `Brain search (scoped to ${scopeFolders.length} folder(s)): ${brainChunks.length} chunks`
+                    : `Brain search: ${brainChunks.length} chunks found`
         );
 
         // ── ② Memory Layers ──