feat: finalise multi-profil Codex/Claude avec catalogue de modèles

- Backend : clone_profile_from_seed généralisé (non OpenCode)
- Backend : catalogue static Claude/Codex (3 modèles chacun, 1 recommandé)
- Backend : commandes Tauri list_claude_models/list_codex_models
- Frontend : ProfilesSettings refonte en onglets Codex/Claude + create/duplicate/edit/delete
- Frontend : ModelSelect searchable partagé + fallback saisie manuelle
- Frontend : assignation agent nom · modèle
- Tests QA : 4 profils modèles distincts (2 Claude, 2 Codex) assignés à agents

frontend/src/features/agents/agents.test.tsx

@@ -141,6 +141,42 @@ describe("AgentsPanel (with MockAgentGateway)", () => {
     expect((btn as HTMLButtonElement).disabled).toBe(true);
   });
 
+  it("shows profile names with their model in the assignment selector", async () => {
+    const profile = new MockProfileGateway();
+    await profile.saveProfile({
+      id: "codex-fast",
+      name: "Codex fast",
+      command: "codex",
+      args: [],
+      contextInjection: { strategy: "conventionFile", target: "AGENTS.md" },
+      detect: "codex --version",
+      cwdTemplate: "{projectRoot}",
+      structuredAdapter: "codex",
+      model: "gpt-5-mini",
+    });
+    await profile.saveProfile({
+      id: "claude-opus",
+      name: "Claude deep",
+      command: "claude",
+      args: [],
+      contextInjection: { strategy: "conventionFile", target: "CLAUDE.md" },
+      detect: "claude --version",
+      cwdTemplate: "{projectRoot}",
+      structuredAdapter: "claude",
+      model: "claude-opus-4-8",
+    });
+
+    renderPanel(new MockAgentGateway(), profile);
+    await waitForIdle();
+
+    const labels = Array.from(
+      screen.getByLabelText("agent profile").querySelectorAll("option"),
+    ).map((option) => option.textContent);
+
+    expect(labels).toContain("Codex fast · gpt-5-mini");
+    expect(labels).toContain("Claude deep · claude-opus-4-8");
+  });
+
   it("selecting an agent displays its context", async () => {
     const agent = new MockAgentGateway();
     // Pre-seed an agent with initial content.