Upload Kaiju Coder 7 runtime quantization recipe

PUBLIC_TESTING_QUICKSTART.md

@@ -25,15 +25,18 @@ python3 scripts/install_kaiju_opencode_profile.py --base-url http://127.0.0.1:18
 Then run OpenCode inside the project you want to edit:
 
 ```bash
-opencode -m kaiju/kaiju-coder-7 --agent kaiju-coder-7
+opencode
 ```
 
+The installer sets `kaiju/kaiju-coder-7` as the OpenCode model and
+`kaiju-coder-7` as the default agent. You can still select
+`kaiju/kaiju-coder-7` manually from OpenCode's model picker if you switch away.
+
 For a bounded smoke test:
 
 ```bash
 mkdir -p /tmp/kaiju-public-smoke
-opencode run -m kaiju/kaiju-coder-7 --agent kaiju-coder-7 \
-  --dir /tmp/kaiju-public-smoke \
+opencode run --dir /tmp/kaiju-public-smoke \
   "Create hello.txt with exactly: Kaiju Coder 7 is ready"
 ```
 
@@ -47,7 +50,10 @@ python3 scripts/run_kaiju_public_opencode_smoke.py
 The helper installer adds:
 
 - the `kaiju` OpenAI-compatible provider
+- `model: kaiju/kaiju-coder-7` and `default_agent: kaiju-coder-7`
 - the lean `kaiju-coder-7` OpenCode agent
+- Kaiju as the default primary agent, so selecting Kaiju Coder 7 uses the
+  hidden fast artifact path without requiring `/kaiju`
 - the `kaiju-coder-7-run` router command for fast websites, owner packs, and
   Desktop artifact folders
 - the `kaiju_artifact` OpenCode custom tool and `/kaiju` command for routing
@@ -66,12 +72,12 @@ kaiju-coder-7-run \
   --prompt "Build a premium one-page website for Harborline Bookkeeping with pricing, FAQ, and a cleanup-call CTA."
 ```
 
-OpenCode should use this same command for large website, business-pack, and
-Desktop-output requests after the helper is installed.
+OpenCode should use this same command internally for large website,
+business-pack, and Desktop-output requests after the helper is installed.
 
-Inside OpenCode, use `/kaiju` for large generated artifacts. The command is
-prompt-backed, but it points the Kaiju agent at the `kaiju_artifact` custom tool
-instead of making the model hand-write every file.
+Inside OpenCode, `/kaiju` is optional for large generated artifacts. The command
+is prompt-backed, but it points the Kaiju agent at the `kaiju_artifact` custom
+tool instead of making the model hand-write every file.
 
 ### Path 2: Full Local Weights