feat: finalise ticket99 - implémentation agent model configuration v2

- agent/lifecycle.rs: lifecycle management per profile
- agent/provider_catalogue.rs: provider registration with model support
- agent/usecases.rs: usecases for profile-based agent invocation
- agent/mod.rs: expose agent capabilities via AgentManager
- backend/dto.rs: AgentModelConfig, AgentProviderConfig DTOs
- domain/profile.rs: extend Profile avec agent capabilities
- domain/permission.rs: permission checks pour agent access
- infrastructure/assistant/mod.rs: agent integration
- infrastructure/permission/{claude,codex}.rs: permission handlers
- web-server/lib.rs: agent endpoints
- commands.rs: agent commands
- frontend/adapters/{http,profile,mock,domain}.ts: adapters
- frontend/first-run/FirstRunWizard.{test.tsx,tsx}: first-run flow

frontend/src/adapters/http/requestResponseGateways.ts

@@ -15,8 +15,6 @@ import type {
   Agent,
   AgentDrift,
   AgentProfile,
-  ClaudeProviderCatalogEntry,
-  CodexProviderCatalogEntry,
   EffectivePermissions,
   EmbedderEngines,
   EmbedderProfile,
@@ -67,8 +65,6 @@ import type {
   PermissionGateway,
   ProfileGateway,
   ProjectGateway,
-  SaveClaudeProviderProfileInput,
-  SaveCodexProviderProfileInput,
   SaveOpenCodeProviderProfileInput,
   SkillGateway,
   TemplateGateway,
@@ -206,37 +202,6 @@ export class HttpProfileGateway implements ProfileGateway {
       },
     });
   }
-  listCodexProviders(): Promise<CodexProviderCatalogEntry[]> {
-    return this.http.invoke<CodexProviderCatalogEntry[]>("list_codex_providers");
-  }
-  saveCodexProviderProfile(
-    input: SaveCodexProviderProfileInput,
-  ): Promise<AgentProfile> {
-    return this.http.invoke<AgentProfile>("save_codex_provider_profile", {
-      request: {
-        profile: input.profile,
-        providerId: input.providerId,
-        model: input.model,
-        apiKey: input.apiKey,
-        custom: input.custom,
-      },
-    });
-  }
-  listClaudeProviders(): Promise<ClaudeProviderCatalogEntry[]> {
-    return this.http.invoke<ClaudeProviderCatalogEntry[]>("list_claude_providers");
-  }
-  saveClaudeProviderProfile(
-    input: SaveClaudeProviderProfileInput,
-  ): Promise<AgentProfile> {
-    return this.http.invoke<AgentProfile>("save_claude_provider_profile", {
-      request: {
-        profile: input.profile,
-        providerId: input.providerId,
-        model: input.model,
-        apiKey: input.apiKey,
-      },
-    });
-  }
 }
 
 export class HttpModelServerGateway implements ModelServerGateway {