harness needs no audio file: it renders a generated wav; README wording

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01K6897PWcUEwHiqZMcVnNF6

README.md

@@ -12,9 +12,10 @@ It is one static page. Serve the folder and open it:
 
     python3 -m http.server 8794 && open http://127.0.0.1:8794/
 
-It talks to the factory's inference worker at `https://inference.yolopreneur.lol` (allowed origins include
-localhost? no: only `*.yolopreneur.lol` and `gandora.lol`; for local work add your Venice key with `/?key` or run
-from a `*.yolopreneur.lol` host). Everything the listener makes lives in their browser (IndexedDB) — see STORAGE.md.
+It talks to the factory's inference worker at `https://inference.yolopreneur.lol`, which only answers pages served
+from `*.yolopreneur.lol` or `gandora.lol`. For local work either add a personal Venice key (open `/?key` to show the
+key box) or test with `tools/harness.sh`, which stubs the backend. Everything the listener makes lives in their
+browser (IndexedDB) — see STORAGE.md.
 
 ## Files
 
@@ -23,7 +24,7 @@ from a `*.yolopreneur.lol` host). Everything the listener makes lives in their b
 - `sw.js` — service worker: caches the shell; stamped with the commit by the shots workflow.
 - `manifest.json`, `icons/`, `favicon.svg` — PWA. Icons are drawn by `tools/icons.py` (stdlib only).
 - `tools/shots.sh` — the card image and the icons, run by `.gitea/workflows/shots.yml` on every push.
-- `tools/harness.html` — the playback regression harness (see ARCHITECTURE.md › Testing).
+- `tools/harness.sh` + `tools/harness.html` — the playback regression harness (ARCHITECTURE.md › Testing).
 - `STORAGE.md` — the IndexedDB contract. `ARCHITECTURE.md` — how it all fits. `HANDOFF.md` — read before changing things.
 
 ## Backend