Take a module's own secret through a hidden prompt on the operator's desk, so a bot token never passes through an agent's session (hq ADR 0259 §10)

internal/catalogue/graphical_session.go

@@ -78,6 +78,18 @@ func graphicalSessionSeats() []Seat {
 							"description": "the lines to choose between, in order"},
 						"prompt": map[string]any{"type": "string", "description": "what the menu asks (optional)"},
 					}}},
+			// A value the operator types and nobody sees (novox/hq ADR 0259 §10): a hidden prompt whose answer
+			// is sealed to the asker's key, so it is never plaintext on the bus or in any call's record.
+			// **Optional while its holders catch up** (ADR 0246): rofi serves it once this is live.
+			{Name: "secret", Optional: true, Description: "Ask the operator for a value in a prompt that " +
+				"does not show what is typed, and answer it sealed to the key the asker gives — never in " +
+				"the clear — or cancelled when the prompt was dismissed or not answered in time.",
+				Input: schema(map[string]string{
+					"prompt":          "what the prompt asks",
+					"message":         "a line saying who asks and for what (optional)",
+					"seal_to":         "the asker's public sealing key: the answer is sealed to it",
+					"timeout_seconds": "give up after this long (optional)",
+				}, []string{"prompt", "seal_to"})},
 		}},
 		{Name: NotifierSeat, Scope: ScopeNode, Decision: decided, Serves: []Verb{
 			{Name: "send", Description: "Show the operator a notification.",