diff --git a/packages/opencode/src/cli/cmd/tui/debug/fixtures/subagent-lifecycle.json b/packages/opencode/src/cli/cmd/tui/debug/fixtures/subagent-lifecycle.json
index 2bbf48cfca..6bd887340e 100644
--- a/packages/opencode/src/cli/cmd/tui/debug/fixtures/subagent-lifecycle.json
+++ b/packages/opencode/src/cli/cmd/tui/debug/fixtures/subagent-lifecycle.json
@@ -39,6 +39,32 @@
         }
       ]
     },
+    "retrying": {
+      "prompt": "Preview a background subagent retrying an upstream request.",
+      "parts": [
+        {
+          "type": "subagent",
+          "agent": "explore",
+          "description": "Retry provider request while maintaining context",
+          "state": "retrying",
+          "background": true,
+          "message": "Rate limited by provider; retrying after quota window",
+          "attempt": 2
+        }
+      ]
+    },
+    "failed": {
+      "prompt": "Preview a delegated task failure.",
+      "parts": [
+        {
+          "type": "subagent",
+          "agent": "general",
+          "description": "Fail delegated work after checking upstream status",
+          "state": "error",
+          "error": "Provider returned an authentication error"
+        }
+      ]
+    },
     "completed": {
       "prompt": "Preview completed foreground and background subagents.",
       "parts": [
diff --git a/packages/opencode/src/cli/cmd/tui/debug/frame.ts b/packages/opencode/src/cli/cmd/tui/debug/frame.ts
index 9225dba134..7bda2ba3b0 100644
--- a/packages/opencode/src/cli/cmd/tui/debug/frame.ts
+++ b/packages/opencode/src/cli/cmd/tui/debug/frame.ts
@@ -3,6 +3,7 @@ import type {
   Message,
   Part,
   Session,
+  SessionStatus,
   TextPart,
   ToolPart,
   ToolState,
@@ -39,6 +40,19 @@ const PartInput = Schema.Union([
   Schema.Struct({ ...SubagentFields, state: Schema.Literal("running") }),
   Schema.Struct({ ...SubagentFields, state: Schema.Literal("active-background") }),
   Schema.Struct({ ...SubagentFields, state: Schema.Literal("completed"), background: Schema.optional(Schema.Boolean) }),
+  Schema.Struct({
+    ...SubagentFields,
+    state: Schema.Literal("retrying"),
+    background: Schema.optional(Schema.Boolean),
+    message: Schema.String,
+    attempt: Schema.Number,
+  }),
+  Schema.Struct({
+    ...SubagentFields,
+    state: Schema.Literal("error"),
+    background: Schema.optional(Schema.Boolean),
+    error: Schema.String,
+  }),
 ])
 const Frame = Schema.Struct({
   prompt: Schema.String,
@@ -66,7 +80,7 @@ export async function createDebugFrameTransport(input: { file: string; frame: st
   const created = 1_000_000
   const root = makeSession(sessionID, input.directory, `${fixture.name}: ${input.frame}`, created)
   const childSessions = new Map<string, { session: Session; transcript: Transcript }>()
-  const statuses: Record<string, { type: "busy" }> = {}
+  const statuses: Record<string, SessionStatus> = {}
   const parts = compileParts(frame, sessionID, created, input.directory, childSessions, statuses)
   const transcript = turn(sessionID, created, frame.prompt, parts)
   const fetch = createFetch({ root, transcript, childSessions, statuses, directory: input.directory })
@@ -81,7 +95,7 @@ function compileParts(
   created: number,
   directory: string,
   children: Map<string, { session: Session; transcript: Transcript }>,
-  statuses: Record<string, { type: "busy" }>,
+  statuses: Record<string, SessionStatus>,
 ) {
   return frame.parts.map((part, index): Part => {
     const id = `part_${index.toString().padStart(2, "0")}`
@@ -125,24 +139,29 @@ function compileParts(
       ),
     })
     if (part.state === "active-background") statuses[childID] = { type: "busy" }
+    if (part.state === "retrying") {
+      statuses[childID] = { type: "retry", attempt: part.attempt, message: part.message, next: created + 1000 }
+    }
+    const state = part.state === "completed" ? "completed" : part.state === "error" ? "error" : "running"
+    const background =
+      part.state === "active-background" ||
+      ((part.state === "completed" || part.state === "retrying" || part.state === "error") && part.background === true)
     return tool(
       sessionID,
       assistantID(sessionID),
       id,
       "task",
       toolState(
-        part.state === "running" ? "running" : "completed",
+        state,
         {
           description: part.description,
           subagent_type: part.agent,
         },
         {
           sessionId: childID,
-          ...(part.state === "active-background" || (part.state === "completed" && part.background === true)
-            ? { background: true }
-            : {}),
+          ...(background ? { background: true } : {}),
         },
-        part.description,
+        part.state === "error" ? part.error : part.description,
         created,
       ),
     )
@@ -153,7 +172,7 @@ function createFetch(input: {
   root: Session
   transcript: Transcript
   childSessions: Map<string, { session: Session; transcript: Transcript }>
-  statuses: Record<string, { type: "busy" }>
+  statuses: Record<string, SessionStatus>
   directory: string
 }) {
   const provider = {
@@ -324,7 +343,9 @@ function toolState(
   created: number,
 ): ToolState {
   if (state === "running") return { status: "running", input, metadata, title, time: { start: created } }
-  if (state === "error") return { status: "error", input, error: title, time: { start: created, end: created + 1 } }
+  if (state === "error") {
+    return { status: "error", input, metadata, error: title, time: { start: created, end: created + 1 } }
+  }
   return {
     status: "completed",
     input,
diff --git a/packages/opencode/test/cli/tui/debug-frame.test.ts b/packages/opencode/test/cli/tui/debug-frame.test.ts
index 03abc0edb5..be12d574af 100644
--- a/packages/opencode/test/cli/tui/debug-frame.test.ts
+++ b/packages/opencode/test/cli/tui/debug-frame.test.ts
@@ -47,10 +47,35 @@ describe("TUI debug frames", () => {
     expect(Object.values(status)).toEqual([{ type: "busy" }])
   })
 
+  test("compiles retrying and failed subagent states", async () => {
+    const retrying = await createDebugFrameTransport({ file: fixture, frame: "retrying", directory: "/tmp/project" })
+    const retryTranscript = (await (
+      await retrying.fetch(`http://opencode.debug/session/${retrying.sessionID}/message`)
+    ).json()) as Array<{ parts: Part[] }>
+    const retryTask = retryTranscript[1]!.parts.find(
+      (part): part is ToolPart => part.type === "tool" && part.tool === "task",
+    )!
+    const retryID = runningMetadata(retryTask).sessionId as string
+    const status = (await (await retrying.fetch("http://opencode.debug/session/status")).json()) as Record<
+      string,
+      { type: string; attempt?: number }
+    >
+    const failed = await createDebugFrameTransport({ file: fixture, frame: "failed", directory: "/tmp/project" })
+    const failedTranscript = (await (
+      await failed.fetch(`http://opencode.debug/session/${failed.sessionID}/message`)
+    ).json()) as Array<{ parts: Part[] }>
+    const failedTask = failedTranscript[1]!.parts.find(
+      (part): part is ToolPart => part.type === "tool" && part.tool === "task",
+    )!
+
+    expect(status[retryID]).toMatchObject({ type: "retry", attempt: 2 })
+    expect(failedTask.state.status).toBe("error")
+  })
+
   test("reports available frames for unknown selection", async () => {
     await expect(
       createDebugFrameTransport({ file: fixture, frame: "missing", directory: "/tmp/project" }),
-    ).rejects.toThrow("Available frames: running, active-background, completed")
+    ).rejects.toThrow("Available frames: running, active-background, retrying, failed, completed")
   })
 
   test("rejects mutations against static debug frames", async () => {
@@ -66,3 +91,8 @@ function completedMetadata(part: ToolPart) {
   if (part.state.status !== "completed") throw new Error("Expected completed task")
   return part.state.metadata
 }
+
+function runningMetadata(part: ToolPart) {
+  if (part.state.status !== "running") throw new Error("Expected running task")
+  return part.state.metadata ?? {}
+}