feat(cli): configure LlamaCpp singleton from YAML models config

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/cli/qmd.ts

@@ -77,7 +77,7 @@ import {
   type ReindexResult,
   type ChunkStrategy,
 } from "../store.js";
-import { disposeDefaultLlamaCpp, getDefaultLlamaCpp, withLLMSession, pullModels, DEFAULT_EMBED_MODEL_URI, DEFAULT_GENERATE_MODEL_URI, DEFAULT_RERANK_MODEL_URI, DEFAULT_MODEL_CACHE_DIR } from "../llm.js";
+import { disposeDefaultLlamaCpp, getDefaultLlamaCpp, setDefaultLlamaCpp, LlamaCpp, withLLMSession, pullModels, DEFAULT_EMBED_MODEL_URI, DEFAULT_GENERATE_MODEL_URI, DEFAULT_RERANK_MODEL_URI, DEFAULT_MODEL_CACHE_DIR } from "../llm.js";
 import {
   formatSearchResults,
   formatDocuments,
@@ -118,6 +118,13 @@ function getStore(): ReturnType<typeof createStore> {
     try {
       const config = loadConfig();
       syncConfigToDb(store.db, config);
+      if (config.models) {
+        setDefaultLlamaCpp(new LlamaCpp({
+          embedModel: config.models.embed,
+          generateModel: config.models.generate,
+          rerankModel: config.models.rerank,
+        }));
+      }
     } catch {
       // Config may not exist yet — that's fine, DB works without it
     }