feat: implement text extraction pipeline and centralized LLM interface for knowledge graph generation

src/lib/extractionPipeline.js

@@ -149,6 +149,7 @@ export async function processSourceText(textContent, sourceName, { signal } = {}
         tools: [EMIT_KNOWLEDGE_GRAPH_TOOL],
         toolChoice: { type: 'tool', name: EMIT_KNOWLEDGE_GRAPH_TOOL.name },
         maxTokens: 8192,
+        timeoutMs: 180_000,
         limiter: extractionLimiter,
         signal,
       });

src/lib/llm.js

@@ -349,7 +349,7 @@ export async function callLLM(options) {
       async () => {
         if (limiter) await limiter.acquire({ signal });
         const timeoutCtl = new AbortController();
-        const timer = setTimeout(() => timeoutCtl.abort(new DOMException('Timeout', 'AbortError')), timeoutMs);
+        const timer = setTimeout(() => timeoutCtl.abort(new DOMException('Timeout', 'TimeoutError')), timeoutMs);
         const fetchSignal = linkSignals(signal, timeoutCtl.signal);
 
         try {