fix(tui): keep runtime controls interactive

tui/src/app.test.ts

@@ -653,6 +653,7 @@ describe("NanobotTui layout", () => {
 
     try {
       await waitUntil(() => (app as unknown as { ready: boolean }).ready)
+      app.accept({ event: "goal_status", chat_id: "chat", status: "running" })
       await setup.flush()
       await setup.mockMouse.click(
         ui.runtimeControls.modelText.x + 2,
@@ -682,6 +683,8 @@ describe("NanobotTui layout", () => {
         access_mode: "full",
         restrict_to_workspace: false,
       }])
+      expect((app as unknown as { activeTurn: boolean }).activeTurn).toBe(true)
+      app.accept({ event: "goal_status", chat_id: "chat", status: "idle" })
     } finally {
       globalThis.fetch = original
     }

tui/src/app.ts

@@ -507,7 +507,9 @@ export class NanobotTui {
         modelPreset: this.modelPreset,
         workspace: options.workspace,
         access: options.access,
-        available: () => ({ ready: this.ready, active: this.activeTurn }),
+        // Runtime settings are session state. Changing them during a turn is
+        // safe and takes effect when the next provider call starts.
+        available: () => this.ready,
         beforeOpen: () => this.closeTransientMenus(),
         refreshScope: () => this.refreshSessionMetadata(this.client.activeChatId),
         onModel: (preset) => this.sendGatewayCommand(`/model ${preset}`, "side_channel", true),

tui/src/picker-menu.ts

@@ -49,6 +49,12 @@ export class PickerMenu<T> {
       paddingRight: 1,
       backgroundColor: RGBA.defaultBackground(),
       visible: false,
+      onMouseDown: (event) => {
+        if (event.button !== 0) return
+        event.preventDefault()
+        event.stopPropagation()
+        this.renderer.clearSelection()
+      },
     })
   }
 
@@ -138,6 +144,7 @@ export class PickerMenu<T> {
           if (event.button !== 0) return
           event.preventDefault()
           event.stopPropagation()
+          this.renderer.clearSelection()
           this.selected = index
           this.options.onSelect?.(item)
         },

tui/src/runtime-controls.ts

@@ -27,7 +27,7 @@ interface RuntimeControlsOptions {
   modelPreset: string
   workspace: string
   access: string
-  available: () => { ready: boolean; active: boolean }
+  available: () => boolean
   beforeOpen: () => void
   refreshScope: () => Promise<void>
   onModel: (name: string) => void
@@ -165,6 +165,7 @@ export class RuntimeControls {
         if (event.button !== 0) return
         event.preventDefault()
         event.stopPropagation()
+        this.renderer.clearSelection()
         open()
       },
     })
@@ -199,7 +200,7 @@ export class RuntimeControls {
   }
 
   private async openModel(): Promise<void> {
-    if (!this.canOpen("Model")) return
+    if (!this.canOpen()) return
     try {
       await this.load(true)
     } catch (error) {
@@ -222,7 +223,7 @@ export class RuntimeControls {
   }
 
   private async openAccess(): Promise<void> {
-    if (!this.canOpen("Access")) return
+    if (!this.canOpen()) return
     try {
       await Promise.all([this.load(true), this.options.refreshScope()])
     } catch (error) {
@@ -250,12 +251,9 @@ export class RuntimeControls {
     this.opened()
   }
 
-  private canOpen(label: string): boolean {
-    const state = this.options.available()
-    if (state.ready && !state.active) return true
-    this.options.onStatus(state.active
-      ? `${label} can be changed between turns`
-      : "Preparing chat…")
+  private canOpen(): boolean {
+    if (this.options.available()) return true
+    this.options.onStatus("Preparing chat…")
     return false
   }