feat(model-server): frontend modèles locaux — badge de statut & CRUD serveurs (#35) et wizard multi-profils OpenCode (#36)

Sprint « Modeles locaux », couche frontend.

#35 :
- F35.1 badge de statut de lancement du serveur local
  (ModelServerLaunchBadge + useAgentsModelServer).
- F35.2 feature model-servers : CRUD (ModelServersPanel / useModelServers /
  gateway modelServer) et ModelServerSelect.

#36 :
- Liste multi-profils OpenCode dans le wizard de premier lancement,
  gateway de clonage (clone_opencode_profile_from_seed).

Tests verts (exécution réelle) : tsc propre, vitest 608/608.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/features/agents/AgentsPanel.tsx

@@ -23,6 +23,7 @@ import { useDrift } from "@/features/templates/useDrift";
 import { useGateways } from "@/app/di";
 import { useAgents } from "./useAgents";
 import { AgentLimitBadge } from "./AgentLimitBadge";
+import { ModelServerLaunchBadge } from "./ModelServerLaunchBadge";
 
 export interface AgentsPanelProps {
   /** The project whose agents to manage. */
@@ -331,6 +332,15 @@ export function AgentsPanel({ projectId, projectRoot = "" }: AgentsPanelProps) {
               const delegationSource = vm.delegationSourceByRequester[a.id];
               // Session-limit state (ARCHITECTURE §21), if the agent is limited.
               const limitState = vm.limitByAgent[a.id];
+              // F35 — local model server launch state, correlated from the
+              // agent's profile binding (`opencode.localModelServerId`), plus the
+              // agent's last launch failure (if any).
+              const boundServerId = vm.profiles.find((p) => p.id === a.profileId)
+                ?.opencode?.localModelServerId;
+              const modelServerStatus = boundServerId
+                ? vm.modelServerStatusByServer[boundServerId]
+                : undefined;
+              const launchFailure = vm.launchFailureByAgent[a.id];
               return (
                 <li
                   key={a.id}
@@ -388,6 +398,12 @@ export function AgentsPanel({ projectId, projectRoot = "" }: AgentsPanelProps) {
                     />
                   )}
 
+                  {/* F35 — local model server launch state / actionable failure. */}
+                  <ModelServerLaunchBadge
+                    status={modelServerStatus}
+                    failure={launchFailure}
+                  />
+
                   {/* F2 (ticket #4): announcements this agent is waiting on while
                       it talks to another agent (requester == this row's id). Sits
                       just above the agent drop-list. */}