refactor(task-toast): improve task toast manager types and logic

Add new toast types and improve state management for background task notifications. Update tests to cover new scenarios.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/features/task-toast-manager/manager.test.ts

@@ -160,7 +160,7 @@ describe("TaskToastManager", () => {
       // #then - toast should NOT show warning - category default is expected
       expect(mockClient.tui.showToast).toHaveBeenCalled()
       const call = mockClient.tui.showToast.mock.calls[0][0]
-      expect(call.body.message).not.toContain("⚠️")
+      expect(call.body.message).not.toContain("[FALLBACK]")
       expect(call.body.message).not.toContain("(category default)")
     })
 
@@ -180,7 +180,7 @@ describe("TaskToastManager", () => {
       // #then - toast should show fallback warning
       expect(mockClient.tui.showToast).toHaveBeenCalled()
       const call = mockClient.tui.showToast.mock.calls[0][0]
-      expect(call.body.message).toContain("⚠️")
+      expect(call.body.message).toContain("[FALLBACK]")
       expect(call.body.message).toContain("anthropic/claude-sonnet-4-5")
       expect(call.body.message).toContain("(system default fallback)")
     })
@@ -201,7 +201,7 @@ describe("TaskToastManager", () => {
       // #then - toast should show fallback warning
       expect(mockClient.tui.showToast).toHaveBeenCalled()
       const call = mockClient.tui.showToast.mock.calls[0][0]
-      expect(call.body.message).toContain("⚠️")
+      expect(call.body.message).toContain("[FALLBACK]")
       expect(call.body.message).toContain("cliproxy/claude-opus-4-5")
       expect(call.body.message).toContain("(inherited from parent)")
     })
@@ -222,7 +222,7 @@ describe("TaskToastManager", () => {
       // #then - toast should NOT show model warning
       expect(mockClient.tui.showToast).toHaveBeenCalled()
       const call = mockClient.tui.showToast.mock.calls[0][0]
-      expect(call.body.message).not.toContain("⚠️ Model:")
+      expect(call.body.message).not.toContain("[FALLBACK] Model:")
       expect(call.body.message).not.toContain("(inherited)")
       expect(call.body.message).not.toContain("(category default)")
       expect(call.body.message).not.toContain("(system default)")
@@ -243,7 +243,7 @@ describe("TaskToastManager", () => {
       // #then - toast should NOT show model warning
       expect(mockClient.tui.showToast).toHaveBeenCalled()
       const call = mockClient.tui.showToast.mock.calls[0][0]
-      expect(call.body.message).not.toContain("⚠️ Model:")
+      expect(call.body.message).not.toContain("[FALLBACK] Model:")
     })
   })
 })

src/features/task-toast-manager/manager.ts

@@ -24,6 +24,7 @@ export class TaskToastManager {
     agent: string
     isBackground: boolean
     status?: TaskStatus
+    category?: string
     skills?: string[]
     modelInfo?: ModelFallbackInfo
   }): void {
@@ -34,6 +35,7 @@ export class TaskToastManager {
       status: task.status ?? "running",
       startedAt: new Date(),
       isBackground: task.isBackground,
+      category: task.category,
       skills: task.skills,
       modelInfo: task.modelInfo,
     }
@@ -116,7 +118,7 @@ export class TaskToastManager {
         "system-default": " (system default fallback)",
       }
       const suffix = suffixMap[newTask.modelInfo!.type as "inherited" | "system-default"]
-      lines.push(`⚠️ Model fallback: ${newTask.modelInfo!.model}${suffix}`)
+      lines.push(`[FALLBACK] Model: ${newTask.modelInfo!.model}${suffix}`)
       lines.push("")
     }
 
@@ -124,10 +126,11 @@ export class TaskToastManager {
       lines.push(`Running (${running.length}):${concurrencyInfo}`)
       for (const task of running) {
         const duration = this.formatDuration(task.startedAt)
-        const bgIcon = task.isBackground ? "⚡" : "🔄"
+        const bgIcon = task.isBackground ? "[BG]" : "[RUN]"
         const isNew = task.id === newTask.id ? " ← NEW" : ""
+        const categoryInfo = task.category ? `/${task.category}` : ""
         const skillsInfo = task.skills?.length ? ` [${task.skills.join(", ")}]` : ""
-        lines.push(`${bgIcon} ${task.description} (${task.agent})${skillsInfo} - ${duration}${isNew}`)
+        lines.push(`${bgIcon} ${task.description} (${task.agent}${categoryInfo})${skillsInfo} - ${duration}${isNew}`)
       }
     }
 
@@ -135,10 +138,11 @@ export class TaskToastManager {
       if (lines.length > 0) lines.push("")
       lines.push(`Queued (${queued.length}):`)
       for (const task of queued) {
-        const bgIcon = task.isBackground ? "⏳" : "⏸️"
+        const bgIcon = task.isBackground ? "[Q]" : "[W]"
+        const categoryInfo = task.category ? `/${task.category}` : ""
         const skillsInfo = task.skills?.length ? ` [${task.skills.join(", ")}]` : ""
         const isNew = task.id === newTask.id ? " ← NEW" : ""
-        lines.push(`${bgIcon} ${task.description} (${task.agent})${skillsInfo} - Queued${isNew}`)
+        lines.push(`${bgIcon} ${task.description} (${task.agent}${categoryInfo})${skillsInfo} - Queued${isNew}`)
       }
     }
 
@@ -158,8 +162,8 @@ export class TaskToastManager {
     const queued = this.getQueuedTasks()
 
     const title = newTask.isBackground
-      ? `⚡ New Background Task`
+      ? `New Background Task`
-      : `🔄 New Task Executed`
+      : `New Task Executed`
 
     tuiClient.tui.showToast({
       body: {
@@ -184,7 +188,7 @@ export class TaskToastManager {
     const remaining = this.getRunningTasks()
     const queued = this.getQueuedTasks()
 
-    let message = `✅ "${task.description}" finished in ${task.duration}`
+    let message = `"${task.description}" finished in ${task.duration}`
     if (remaining.length > 0 || queued.length > 0) {
       message += `\n\nStill running: ${remaining.length} | Queued: ${queued.length}`
     }

src/features/task-toast-manager/types.ts

@@ -1,8 +1,11 @@
+import type { ModelSource } from "../../shared/model-resolver"
+
 export type TaskStatus = "running" | "queued" | "completed" | "error"
 
 export interface ModelFallbackInfo {
   model: string
   type: "user-defined" | "inherited" | "category-default" | "system-default"
+  source?: ModelSource
 }
 
 export interface TrackedTask {
@@ -12,6 +15,7 @@ export interface TrackedTask {
   status: TaskStatus
   startedAt: Date
   isBackground: boolean
+  category?: string
   skills?: string[]
   modelInfo?: ModelFallbackInfo
 }