chore: auto-commit (4 archivos)

- integration_test.go
- main.go
- tool_search.go
- tool_proposal.go

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

main.go

@@ -147,6 +147,7 @@ func registerTools(s *server.MCPServer, db *registry.DB, root string, cfg config
 	s.AddTool(listDomainsTool(), mcp.NewTypedToolHandler(deps.handleListDomains))
 	s.AddTool(usesTool(), mcp.NewTypedToolHandler(deps.handleUses))
 	s.AddTool(doctorTool(), mcp.NewTypedToolHandler(deps.handleDoctor))
+	s.AddTool(proposalTool(), mcp.NewTypedToolHandler(deps.handleProposal))
 
 	// Mutating tools — opt-in.
 	if cfg.enableRun {