From e68102bc79ac26f93959c3d5676bcdca86c94623 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Mon, 23 Feb 2026 23:29:58 +0200
Subject: tui: add shared bubbletea message types (task 302)

---
 internal/tui/msg.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 internal/tui/msg.go

diff --git a/internal/tui/msg.go b/internal/tui/msg.go
new file mode 100644
index 0000000..ba2ec53
--- /dev/null
+++ b/internal/tui/msg.go
@@ -0,0 +1,24 @@
+package tui
+
+import "ior/internal/statsengine"
+
+// PidSelectedMsg is emitted when the user selects a PID from the process table.
+type PidSelectedMsg struct {
+	Pid int
+}
+
+// StatsTickMsg carries a fresh immutable snapshot from the stats engine.
+type StatsTickMsg struct {
+	Snap *statsengine.Snapshot
+}
+
+// ExportRequestMsg requests an export of the current UI state.
+type ExportRequestMsg struct{}
+
+// TracingStartedMsg signals that tracing started successfully.
+type TracingStartedMsg struct{}
+
+// TracingErrorMsg reports an error while starting or running tracing.
+type TracingErrorMsg struct {
+	Err error
+}
-- 
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