README: run straight from the public URL (nix run git+https://...), clone optional

README.md

@@ -11,24 +11,23 @@ change its own code.
 ## Start
 
 You need [Nix](https://nixos.org/download) with flakes, and an API token for
-an LLM (OpenAI Responses or Anthropic Messages API).
+an LLM (OpenAI Responses or Anthropic Messages API). No clone needed:
 
 ```sh
-git clone https://gitea.surma.technology/surma/sausage && cd sausage
-nix run -- init     # creates ./world and builds the agent (a few minutes)
-nix run -- run      # starts the world and a console
+nix run git+https://gitea.surma.technology/surma/sausage -- init   # creates ./world and builds the agent (a few minutes)
+nix run git+https://gitea.surma.technology/surma/sausage -- run    # starts the world and a console
 ```
 
 `init` asks for the API shape (`openai-responses` or `anthropic-messages`),
 the base URL, the model, and the token. It reads `SAUSAGE_API`,
 `SAUSAGE_BASE_URL`, `SAUSAGE_MODEL`, and `SAUSAGE_API_TOKEN` first. The
 values go to `world/actor/agent/data/config.json`. Both commands take another
-folder as an argument, for example `nix run -- run my-world`.
+folder as an argument, for example `... -- run my-world`.
 
 To keep a world on the newest version, run it in a loop:
 
 ```sh
-nix run .#loop -- my-world
+nix run git+https://gitea.surma.technology/surma/sausage#loop -- my-world
 ```
 
 The loop runs `nix run --refresh git+https://gitea.surma.technology/surma/sausage -- run my-world`.
@@ -36,6 +35,9 @@ When the host crashes or an actor sends `@broker {"type":"exit"}`, the loop
 fetches the newest commit and starts it again. `/quit` ends the loop. Set
 `SAUSAGE_FLAKE` to run another flake URL instead, for example your fork.
 
+From a clone (`git clone https://gitea.surma.technology/surma/sausage`), the
+same commands are `nix run -- init`, `nix run -- run` and `nix run .#loop`.
+
 In the console:
 
 ```text