refactor: restructure to core/ + ui/ with multi-threaded backend

ui/styles/__init__.py

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+"""Styles for Graph Memory TUI"""

ui/styles/app.css

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+/* Global Styles for Graph Memory TUI */
+
+GraphMemoryApp {
+    background: $surface;
+    color: $text;
+}
+
+/* 全局Input样式 - 确保可见 */
+Input {
+    background: $surface-lighten-1;
+    color: $text;
+    border: solid $primary;
+}
+
+Input:focus {
+    border: double $accent;
+}
+
+LeftPanel {
+    width: 1fr;
+    dock: left;
+}
+
+RightPanel {
+    width: 70;
+    dock: right;
+    background: $panel;
+    overflow-y: auto;
+}
+
+RightPanel ScrollableContainer {
+    height: 1fr;
+    overflow-y: auto;
+}
+
+StatusBar {
+    dock: bottom;
+    height: 1;
+    background: $primary;
+    color: $text-primary;
+}

ui/styles/components.css

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+/* Component Styles for Graph Memory TUI */
+
+/* Input Box - 最重要 */
+InputBox {
+    background: $surface;
+    padding: 1 2;
+    height: auto;
+    border: solid $primary;
+}
+
+InputBox Input {
+    width: 100%;
+    background: $surface-lighten-1;
+    color: $text;
+    border: none;
+}
+
+/* Config Section */
+ConfigSection {
+    background: $surface;
+    padding: 1;
+    margin: 0 0 1 0;
+    height: auto;
+}
+
+ConfigSection .config-title {
+    color: $primary;
+    text-style: bold;
+    margin: 0 0 1 0;
+}
+
+ConfigSection .config-label {
+    color: $text;
+    margin: 0;
+    padding: 1 0 0 0;
+}
+
+ConfigSection .config-hint {
+    color: $text-muted;
+    text-style: italic;
+    margin: 1 0 0 0;
+}
+
+ConfigSection Input {
+    width: 1fr;
+    height: 3;
+    margin: 0 0 1 0;
+    padding: 0 1;
+    background: $surface-lighten-1;
+    border: solid $primary;
+    color: $text;
+}
+
+/* Other Components */
+OperationLog {
+    background: $surface-darken-1;
+    height: 1fr;
+    margin: 1;
+    overflow-y: auto;
+    padding: 1;
+}
+
+OperationLog .log-entry {
+    color: $text;
+    margin: 0 0 1 0;
+    height: auto;
+}
+
+OperationLog .log-empty {
+    color: $text-muted;
+    text-style: italic;
+}
+
+CypherQueryBox {
+    border: solid green;
+    margin: 1;
+    height: auto;
+}
+
+MessageHistory {
+    height: 1fr;
+    margin: 1;
+    overflow-y: auto;
+}
+
+/* Message Widget */
+MessageWidget {
+    margin: 1 0;
+    height: auto;
+}
+
+MessageWidget .message-header {
+    color: $text-muted;
+    text-style: bold;
+    margin: 0 0 0 0;
+}
+
+MessageWidget .message-content {
+    color: $text;
+    margin: 0 0 0 2;
+    height: auto;
+}
+
+MessageWidget .tool-indicator {
+    color: $warning;
+    text-style: bold;
+    margin: 1 0 0 2;
+}
+
+MessageWidget .tool-details {
+    background: $surface-darken-1;
+    margin: 1 0 0 2;
+    padding: 1;
+}
+
+MessageWidget .tool-name {
+    color: $accent;
+    text-style: bold;
+}
+
+MessageWidget .tool-args {
+    color: $text-muted;
+    margin: 0 0 0 2;
+}
+
+MessageWidget .tool-result {
+    color: $success;
+    margin: 0 0 0 2;
+}

ui/styles/messages.css

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+/* Message Styles for Graph Memory TUI */
+
+UserMessage {
+    border: solid orange;
+    margin: 1 0;
+    padding: 1;
+}
+
+ModelMessage {
+    border: solid blue;
+    margin: 1 0;
+    padding: 1;
+}
+
+ToolCallIndicator {
+    color: yellow;
+    text-style: bold;
+}
+
+ToolCallDetails {
+    background: $surface-darken-1;
+    margin: 1 0 0 2;
+    padding: 1;
+}