docs: rename frank-default-large/small/sightsound to frank-large/small/npu across vault

Mechanical identity rename across the knowledge base, AGENTS.md, README, the
hermes config example, and homepage services.json. No behavior change; served
aliases on the LLM endpoints change with the deploy of commit 69f87c8.

serverAppConfigs-docs/LLM/frank-large-benchmark.md

@@ -2,10 +2,10 @@
 > See [frank-redo-2026-08-17.md](frank-redo-2026-08-17.md) and
 > [deployment.md](deployment.md) for the active configuration.
 
-# frank-default-large — Backend and Spec Benchmark
+# frank-large — Backend and Spec Benchmark
 
 This page records the benchmarks that chose the runtime for
-`frank-default-large` on Dankclaw. Every number came from the live
+`frank-large` on Dankclaw. Every number came from the live
 llama.cpp build on that machine (upstream, b10133+).
 
 ## Summary