From 96c07bab1086510a55a004e9a1b90c30bc723a5c Mon Sep 17 00:00:00 2001
From: sangtran <tranquangsang12.7@gmail.com>
Date: Sat, 29 Aug 2026 01:08:28 +0700
Subject: feat: init base draft support window

---
 state/memory_state.go | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 state/memory_state.go

(limited to 'state/memory_state.go')

diff --git a/state/memory_state.go b/state/memory_state.go
new file mode 100644
index 0000000..95c7318
--- /dev/null
+++ b/state/memory_state.go
@@ -0,0 +1,44 @@
+package state
+
+import (
+"context"
+)
+
+type memoryStateValue struct {
+	backend   *MemoryStateBackend
+	stateName string
+}
+
+func (m *memoryStateValue) Value(ctx context.Context) (any, error) {
+	kg := m.backend.currentGroupKey
+	key := m.backend.currentKey
+	ns := m.backend.currentNamespace
+	if kgMap, exist := m.backend.states[m.stateName][kg][key]; exist {
+		if v, hasKey := kgMap[ns]; hasKey {
+			return v, nil
+		}
+	}
+
+	return nil, nil
+}
+
+func (m *memoryStateValue) Update(ctx context.Context, newVal any) (any, error) {
+	kg := m.backend.currentGroupKey
+	key := m.backend.currentKey
+	ns := m.backend.currentNamespace
+	if _, exists := m.backend.states[m.stateName][kg][key]; !exists {
+		m.backend.states[m.stateName][kg] = make(map[string]map[any]any)
+	}
+
+	m.backend.states[m.stateName][kg][key][ns] = newVal
+	return newVal, nil
+}
+
+func (m *memoryStateValue) Clear(ctx context.Context) error {
+	kg := m.backend.currentGroupKey
+	key := m.backend.currentKey
+	if kgMap, exists := m.backend.states[m.stateName][kg]; exists {
+		delete(kgMap, key)
+	}
+	return nil
+}
-- 
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