fix(permissions): tools MCP inter-projets exposés (idea_project_*) + contactable agent/template persisté — update_agent_contactable (application/web-server/app-tauri), defaultContactable TemplateEditor save/reopen, groupes MCP 'IdeA inter-projets' avec fallback, permissions agent Contactable — #267 (QA verte)

crates/app-tauri/src/commands.rs

@@ -29,8 +29,8 @@ use application::{
     ResolveAgentSystemPermissionsInput, ResolveMemoryLinksInput, RevokeDeviceInput,
     RotateConversationLogInput, SaveChatDraftInput, SetActiveLayoutInput, SlashCommandEffect,
     SnapshotRunningAgentsInput, StopLiveAgentInput, SyncAgentWithTemplateInput,
-    UnassignSkillFromAgentInput, UpdateAgentContextInput, UpdateAgentEffortInput,
-    UpdateAgentMcpToolPermissionsInput, UpdateAgentPermissionsInput,
+    UnassignSkillFromAgentInput, UpdateAgentContactableInput, UpdateAgentContextInput,
+    UpdateAgentEffortInput, UpdateAgentMcpToolPermissionsInput, UpdateAgentPermissionsInput,
     UpdateAgentSystemPermissionsInput, UpdateMemoryInput, UpdateProjectContextInput,
     UpdateProjectMcpToolPermissionsInput, UpdateProjectPermissionsInput,
     UpdateProjectSystemPermissionsInput, UpdateSkillInput,
@@ -78,7 +78,7 @@ use crate::dto::{
     SlashCommandEffectDto, SlashCommandListDto, StopLiveAgentRequestDto, StopLiveAgentResponseDto,
     SyncAgentWithTemplateRequestDto, SyncResultDto, TemplateDto, TemplateListDto,
     TerminalClosedDto, TerminalSessionDto, TurnPageDto, UnassignSkillRequestDto,
-    UpdateAgentContextRequestDto, UpdateAgentEffortRequestDto,
+    UpdateAgentContactableRequestDto, UpdateAgentContextRequestDto, UpdateAgentEffortRequestDto,
     UpdateAgentMcpToolPermissionsRequestDto, UpdateAgentPermissionsRequestDto,
     UpdateAgentSystemPermissionsRequestDto, UpdateMemoryRequestDto, UpdateProjectContextRequestDto,
     UpdateProjectMcpToolPermissionsRequestDto, UpdateProjectPermissionsRequestDto,
@@ -777,6 +777,29 @@ pub async fn update_agent_effort(
         .map_err(ErrorDto::from)
 }
 
+/// `update_agent_contactable` — enable or disable cross-project contact for one agent.
+///
+/// # Errors
+/// Returns an [`ErrorDto`] on invalid ids or store failure.
+#[tauri::command]
+pub async fn update_agent_contactable(
+    request: UpdateAgentContactableRequestDto,
+    state: State<'_, AppState>,
+) -> Result<AgentDto, ErrorDto> {
+    let project = resolve_project(&request.project_id, &state).await?;
+    let agent_id = parse_agent_id(&request.agent_id)?;
+    state
+        .update_agent_contactable
+        .execute(UpdateAgentContactableInput {
+            project,
+            agent_id,
+            contactable: request.contactable,
+        })
+        .await
+        .map(|out| AgentDto::from_agent(out.agent))
+        .map_err(ErrorDto::from)
+}
+
 /// `resolve_agent_permissions` — resolve project defaults plus agent override.
 ///
 /// # Errors

crates/app-tauri/src/lib.rs

@@ -261,6 +261,7 @@ pub fn run() {
             commands::update_project_permissions,
             commands::update_agent_permissions,
             commands::update_agent_effort,
+            commands::update_agent_contactable,
             commands::resolve_agent_permissions,
             commands::get_project_system_permissions,
             commands::update_project_system_permissions,