diff --git a/.changeset/fix-plan-exit-repeat.md b/.changeset/fix-plan-exit-repeat.md
new file mode 100644
index 00000000000..eaa09806033
--- /dev/null
+++ b/.changeset/fix-plan-exit-repeat.md
@@ -0,0 +1,12 @@
+---
+"@kilocode/cli": patch
+---
+
+fix(plan): prevent "Ready to implement?" popup from repeating after selecting "Continue here"
+
+When a user selects "Continue here" on the plan follow-up prompt, a synthetic user message
+is injected with `agent: "code"`. The `shouldAskPlanFollowup` check now skips triggering
+the prompt when the last user message has already transitioned away from the plan agent,
+preventing the popup from appearing repeatedly.
+
+Fixes #9144
diff --git a/packages/opencode/src/kilocode/session/prompt.ts b/packages/opencode/src/kilocode/session/prompt.ts
index 0a5e9426e54..6b47a1775b5 100644
--- a/packages/opencode/src/kilocode/session/prompt.ts
+++ b/packages/opencode/src/kilocode/session/prompt.ts
@@ -25,6 +25,11 @@ export namespace KiloSessionPrompt {
     if (input.abort.aborted) return false
     if (!["cli", "vscode"].includes(Flag.KILO_CLIENT)) return false
     const idx = input.messages.findLastIndex((m) => m.info.role === "user")
+    if (idx === -1) return false
+    // Skip if the last user message already transitioned away from plan mode
+    // (e.g. "Continue here" injects a user message with agent="code")
+    const lastUser = input.messages[idx].info
+    if (lastUser.role === "user" && lastUser.agent !== "plan") return false
     return input.messages
       .slice(idx + 1)
       .some((msg) =>
diff --git a/packages/opencode/test/kilocode/plan-exit-detection.test.ts b/packages/opencode/test/kilocode/plan-exit-detection.test.ts
index 23155a22041..6aab1bea1b7 100644
--- a/packages/opencode/test/kilocode/plan-exit-detection.test.ts
+++ b/packages/opencode/test/kilocode/plan-exit-detection.test.ts
@@ -491,4 +491,91 @@ describe("plan_exit detection", () => {
       })
       await expect(pending).resolves.toBe("continue")
     }))
+
+  test("shouldAskPlanFollowup returns false after 'Continue here' (last user agent is code)", () =>
+    withInstance(async () => {
+      const session = await Session.create({})
+      const now = Date.now()
+
+      // Original user message in plan mode
+      const user1 = await Session.updateMessage({
+        id: MessageID.ascending(),
+        role: "user",
+        sessionID: session.id,
+        time: { created: now },
+        agent: "plan",
+        model,
+      })
+      await Session.updatePart({
+        id: PartID.ascending(),
+        messageID: user1.id,
+        sessionID: session.id,
+        type: "text",
+        text: "Create a plan",
+      })
+
+      // Assistant calls plan_exit
+      const assistant1: MessageV2.Assistant = {
+        id: MessageID.ascending(),
+        role: "assistant",
+        sessionID: session.id,
+        time: { created: now + 1 },
+        parentID: user1.id,
+        modelID: model.modelID,
+        providerID: model.providerID,
+        mode: "plan",
+        agent: "plan",
+        path: { cwd: Instance.directory, root: Instance.worktree },
+        cost: 0,
+        tokens: { total: 0, input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
+        finish: "end_turn",
+      }
+      await Session.updateMessage(assistant1)
+      await Session.updatePart({
+        id: PartID.ascending(),
+        messageID: assistant1.id,
+        sessionID: session.id,
+        type: "text",
+        text: "Here is the plan",
+      })
+      await Session.updatePart({
+        id: PartID.ascending(),
+        messageID: assistant1.id,
+        sessionID: session.id,
+        type: "tool",
+        callID: Identifier.ascending("tool"),
+        tool: "plan_exit",
+        state: {
+          status: "completed",
+          input: {},
+          output: "Plan is ready. Ending planning turn.",
+          title: "plan_exit",
+          metadata: {},
+          time: { start: now + 1, end: now + 1 },
+        },
+      } satisfies MessageV2.ToolPart)
+
+      // Simulate "Continue here" — injected user message with agent="code"
+      const user2 = await Session.updateMessage({
+        id: MessageID.ascending(),
+        role: "user",
+        sessionID: session.id,
+        time: { created: now + 2 },
+        agent: "code",
+        model,
+      })
+      await Session.updatePart({
+        id: PartID.ascending(),
+        messageID: user2.id,
+        sessionID: session.id,
+        type: "text",
+        text: "Implement the plan above.",
+        synthetic: true,
+      } satisfies MessageV2.TextPart)
+
+      const messages = await Session.messages({ sessionID: session.id })
+
+      // After "Continue here", the popup should NOT trigger again
+      expect(SessionPrompt.shouldAskPlanFollowup({ messages, abort: AbortSignal.any([]) })).toBe(false)
+    }))
 })