chantier: durcissement reprise headless inter-projets + persistance profils Opencode

- Implémentation reprise de session Opencode headless (conversational_recovery)
- Persistance des profils IA Opencode dans .ideai/memory avec JSON Schema
- Gestion des permissions MCP pour agents externes
- Tests QA verts : structured_launch_d3, conversation_log, tickets_missing_carnet, agents, ProfilesSettings

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

@@ -364,6 +364,21 @@ describe("AgentsPanel (with MockAgentGateway)", () => {
     const options = Array.from(select.options).map((o) => o.text);
     expect(options).toContain("Claude Code");
   });
+
+  it("shows persisted OpenCode profiles in the agent profile dropdown", async () => {
+    const profile = new MockProfileGateway();
+    const openCode = await profile.cloneOpenCodeProfileFromSeed({
+      name: "OpenCode Local Durable",
+    });
+    await profile.saveProfile(openCode);
+
+    renderPanel(new MockAgentGateway(), profile);
+    await waitForIdle();
+
+    const select = screen.getByLabelText("agent profile") as HTMLSelectElement;
+    const options = Array.from(select.options).map((o) => o.text);
+    expect(options.some((text) => text.includes("OpenCode Local Durable"))).toBe(true);
+  });
 });
 
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