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/ports/index.ts

@@ -25,10 +25,12 @@ import type {
   LayoutList,
   LayoutOperation,
   LayoutTree,
+  LocalModelServerConfig,
   Memory,
   MemoryIndexEntry,
   MemoryLink,
   MemoryType,
+  OpenCodeConfig,
   EffectivePermissions,
   PermissionSet,
   PageDirection,
@@ -624,6 +626,45 @@ export interface ProfileGateway {
   deleteProfile(profileId: string): Promise<void>;
   /** Persists the batch of chosen profiles, closing the first run. */
   configureProfiles(profiles: AgentProfile[]): Promise<AgentProfile[]>;
+  /**
+   * Mints a new OpenCode profile from the canonical `opencode-llamacpp` seed
+   * (F36 — several local OpenCode profiles per project, identity = id). `name`
+   * overrides the seed display name; `opencode` overrides the seed config (used
+   * by "Duplicate" to carry an existing row's endpoint). Returns the new,
+   * freshly-id'd profile — it is not persisted until the batch is saved.
+   */
+  cloneOpenCodeProfileFromSeed(
+    input?: CloneOpenCodeProfileFromSeedInput,
+  ): Promise<AgentProfile>;
+}
+
+/** Input for {@link ProfileGateway.cloneOpenCodeProfileFromSeed}. */
+export interface CloneOpenCodeProfileFromSeedInput {
+  /** Optional display name for the new profile. */
+  name?: string;
+  /** Optional OpenCode config override; when omitted, the seed config is copied. */
+  opencode?: OpenCodeConfig;
+}
+
+/**
+ * Local model servers (F35). CRUD over the global registry of declared
+ * `llama.cpp` servers an OpenCode profile can bind to via
+ * `OpenCodeConfig.localModelServerId`. Mirrors the three backend commands
+ * (`list_model_servers`, `save_model_server`, `delete_model_server`).
+ */
+export interface ModelServerGateway {
+  /** Lists the declared local model servers. */
+  listModelServers(): Promise<LocalModelServerConfig[]>;
+  /**
+   * Upserts a server config (create when `id` is a fresh client-minted UUID,
+   * update otherwise); returns the persisted config.
+   */
+  saveModelServer(config: LocalModelServerConfig): Promise<LocalModelServerConfig>;
+  /**
+   * Deletes a server by id. Rejects with a `GatewayError` whose `code` is
+   * `model_server_in_use` when a profile still references it.
+   */
+  deleteModelServer(serverId: string): Promise<void>;
 }
 
 /** Input for {@link EmbedderGateway.saveEmbedderProfile}. */
@@ -933,6 +974,7 @@ export interface Gateways {
   git: GitGateway;
   remote: RemoteGateway;
   profile: ProfileGateway;
+  modelServer: ModelServerGateway;
   template: TemplateGateway;
   skill: SkillGateway;
   memory: MemoryGateway;