From ca2b2eb5580e00ebd177c348b76a211d4c5a6a18 Mon Sep 17 00:00:00 2001
From: Luxferre <lux@ferre>
Date: Sun, 22 Mar 2026 18:29:36 +0200
Subject: [PATCH] tui: implement history navigation state initialization

---
 cmd/sidekick-tui/main.go     | 9 ++++++---
 cmd/sidekick-tui/tui_test.go | 7 +++++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/cmd/sidekick-tui/main.go b/cmd/sidekick-tui/main.go
index 8ed97c6..ceda3c2 100644
--- a/cmd/sidekick-tui/main.go
+++ b/cmd/sidekick-tui/main.go
@@ -55,6 +55,8 @@ type model struct {
   agent            *sidekick.Sidekick
   pool             map[string]*sidekick.Sidekick
   history          []sidekick.Message
+  historyIndex     int
+  promptDraft      string
   transientSteps   []string
   currentStream    string
   currentReasoning string
@@ -178,9 +180,10 @@ func initialModel() model {
   }
 
   return model{
-    textarea: ta,
-    agent:    agent,
-    pool:     pool,
+    textarea:     ta,
+    agent:        agent,
+    pool:         pool,
+    historyIndex: -1,
     history: []sidekick.Message{
       {Role: sidekick.MessageRoleSystem, Content: banner + "\n\nSidekick initialized. " + mcpStats + "\nType a message below."},
     },
diff --git a/cmd/sidekick-tui/tui_test.go b/cmd/sidekick-tui/tui_test.go
index 25e0cf9..a4dd884 100644
--- a/cmd/sidekick-tui/tui_test.go
+++ b/cmd/sidekick-tui/tui_test.go
@@ -32,6 +32,13 @@ func TestInitialModel(t *testing.T) {
   }
 }
 
+func TestHistoryStateInitialization(t *testing.T) {
+  m := initialModel()
+  if m.historyIndex != -1 {
+    t.Errorf("expected historyIndex to be -1, got %d", m.historyIndex)
+  }
+}
+
 func TestModelUpdate(t *testing.T) {
   m := initialModel()
   m.ready = true