fix(agents): cover dotted opus frontier model

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/agents/tool-restrictions.test.ts

@@ -140,8 +140,10 @@ describe("read-only agent tool restrictions", () => {
       // given
       const frontierAgents = [
         createSisyphusAgent("anthropic/claude-opus-4-7"),
+        createSisyphusAgent("anthropic/claude-opus-4.7"),
         createSisyphusAgent("openai/gpt-5.5"),
         createHephaestusAgent("anthropic/claude-opus-4-7"),
+        createHephaestusAgent("anthropic/claude-opus-4.7"),
         createHephaestusAgent("openai/gpt-5.5"),
       ]