Add viinput skeleton for task 530ac084-c699-4dd6-8abc-d35c852c2226

3 files changed, 34 insertions, 0 deletions

diff --git a/internal/viinput/edit.go b/internal/viinput/edit.go
new file mode 100644
index 0000000..375c397
--- /dev/null
+++ b/internal/viinput/edit.go
@@ -0,0 +1,3 @@
+package viinput
+
+// Editing helpers will live here in a later task.
diff --git a/internal/viinput/model.go b/internal/viinput/model.go
new file mode 100644
index 0000000..78e00f3
--- /dev/null
+++ b/internal/viinput/model.go
@@ -0,0 +1,28 @@
+package viinput
+
+// Mode represents the current vi-style input state.
+type Mode int
+
+const (
+	// ModeInsert accepts normal text entry and cursor editing keys.
+	ModeInsert Mode = iota
+	// ModeNormal accepts vi-style commands.
+	ModeNormal
+)
+
+// Model is the state container for the vi-style input component.
+type Model struct {
+	Prompt    string
+	runes     []rune
+	cursor    int
+	mode      Mode
+	focused   bool
+	pending   rune
+	history   [][]rune
+	wantsExit bool
+}
+
+// New returns a Model initialized for insert mode.
+func New() Model {
+	return Model{mode: ModeInsert}
+}
diff --git a/internal/viinput/motion.go b/internal/viinput/motion.go
new file mode 100644
index 0000000..43c8279
--- /dev/null
+++ b/internal/viinput/motion.go
@@ -0,0 +1,3 @@
+package viinput
+
+// Motion helpers will live here in a later task.