feat(tui): show enabled/disabled state for MCP servers in /mcp

Decode the enabled flag odek already sends on /api/mcp and surface it on
every MCP row in the tools drawer and in the server detail view, matching
the built-in tools' on/off convention. README command table updated.

Author: jkyberneees

README.md

@@ -509,7 +509,7 @@ full command and press `⏎`.
 | `/memory` | Facts by target, pending-episode promote, consolidate |
 | `/skills` | Skill provenance badges & promote |
 | `/tools` | Tool registry with enabled state & MCP servers |
-| `/mcp` | MCP servers — `/mcp [name]` jumps to one in the tools drawer |
+| `/mcp` | MCP servers with enabled/disabled state — `/mcp [name]` jumps to one in the tools drawer |
 | `/config` | Sanitized config, lifetime usage, connections (kick) |
 | `/model [name]` | Switch model (opens a picker with no argument) |
 | `/thinking [disabled\|low\|medium\|high]` | Set reasoning depth (`on` → `medium`, `off` → `disabled`, `inherit` restores the odek serve default; bare `/thinking` opens a picker) |

internal/client/manage.go

@@ -130,6 +130,7 @@ type MCPServer struct {
 	Args             []string `json:"args,omitempty"`
 	Project          bool     `json:"project,omitempty"`
 	AutoApprove      bool     `json:"auto_approve,omitempty"`
+	Enabled          bool     `json:"enabled"`
 	TimeoutSeconds   int      `json:"timeout_seconds,omitempty"`
 	MaxResponseBytes int64    `json:"max_response_bytes,omitempty"`
 	MaxResultChars   int      `json:"max_result_chars,omitempty"`

internal/tui/mcp_command_test.go

@@ -170,6 +170,50 @@ func TestMCPUnknownNotClobbered(t *testing.T) {
 	}
 }
 
+// TestMCPEnabledStateVisible verifies MCP rows and the detail view surface
+// the enabled/disabled state odek sends on /api/mcp.
+func TestMCPEnabledStateVisible(t *testing.T) {
+	m := newTestModel()
+	m.panel = panelTools
+	m.handleMgmtMsg(mgmtMsg{tab: panelTools, mcpN: 2, tls: []client.Tool{{Name: "shell", Enabled: true}},
+		mcp: []client.MCPServer{
+			{Name: "fs", Command: "bun", Enabled: true},
+			{Name: "vault", Command: "node", Enabled: false},
+		}})
+	if len(m.toolRows) != 3 {
+		t.Fatalf("toolRows = %d, want 3", len(m.toolRows))
+	}
+	var fsRow, vaultRow *toolRow
+	for i := range m.toolRows {
+		switch r := &m.toolRows[i]; r.id {
+		case "fs":
+			fsRow = r
+		case "vault":
+			vaultRow = r
+		}
+	}
+	if fsRow == nil || vaultRow == nil {
+		t.Fatalf("missing mcp rows: %+v", m.toolRows)
+	}
+	if !strings.Contains(fsRow.dim, "enabled") || strings.Contains(fsRow.dim, "disabled") {
+		t.Errorf("fs row dim = %q, want an \"enabled\" marker", fsRow.dim)
+	}
+	if !strings.Contains(vaultRow.dim, "disabled") {
+		t.Errorf("vault row dim = %q, want \"disabled\" marker", vaultRow.dim)
+	}
+	// Detail view of the disabled server states the fact explicitly.
+	for i := range m.toolRows {
+		if m.toolRows[i].id == "vault" {
+			m.panelSel = i
+		}
+	}
+	m.panelDetail = true
+	out := plain(m.View())
+	if !strings.Contains(out, "disabled") {
+		t.Errorf("mcp detail view missing \"disabled\":\n%s", out)
+	}
+}
+
 // TestMCPZeroServers verifies the zero-server empty state: the Tools tab
 // still opens (it has native tools) with a "no MCP servers configured" note.
 func TestMCPZeroServers(t *testing.T) {

internal/tui/mgmt.go

@@ -320,6 +320,11 @@ func buildToolRows(tools []client.Tool, servers []client.MCPServer) []toolRow {
 	}
 	for _, s := range servers {
 		detail := s.Command
+		if s.Enabled {
+			detail += " · enabled"
+		} else {
+			detail += " · disabled"
+		}
 		if s.Project {
 			detail += " · project"
 		}
@@ -935,6 +940,11 @@ func (m *Model) mgmtDetailLines(w int) []string {
 			}
 			out = append(out, th.acDetail.Render(cmd))
 			var meta []string
+			if srv.Enabled {
+				meta = append(meta, "enabled")
+			} else {
+				meta = append(meta, "disabled")
+			}
 			if srv.Project {
 				meta = append(meta, "project-scoped")
 			}