v0.10.1: 修复显存泄漏 + 删除普通聊天模式 + Tool Calling 始终开启

fix: ollama.ts - chat() 添加默认 keep_alive: '1h'，chatStream done 时不再 reader.cancel()
refactor: 删除普通聊天模式，所有消息统一走 Agent Loop
refactor: Tool Calling 开关始终开启且不可关闭
chore: 版本号 0.10.0 → 0.10.1 (12 处)
docs: 更新帮助面板和 README 反映架构变更

src/renderer/main.ts

@@ -312,7 +312,7 @@ async function init(): Promise<void> {
     state.set(KEYS.NUM_CTX, 24576);
 
     // ── 防御性重置：确保首次启动不会遗留脏状态 ──
-    state.set('toolCallingEnabled', false);
+    state.set('toolCallingEnabled', true);
     state.set('runCommandMode', 'confirm');  // 默认需确认
     state.set('memoryEnabled', true);
     state.set('thinkEnabled', false);
@@ -363,7 +363,7 @@ async function init(): Promise<void> {
     (document.querySelector('#inputMaxTurns') as HTMLInputElement).value = String(maxTurns);
 
     // ── Tool Calling 设置 ──
-    const toolCallingEnabled = await db.getSetting('toolCallingEnabled', false);
+    const toolCallingEnabled = await db.getSetting('toolCallingEnabled', true);
     const runCommandMode = await db.getSetting('runCommandMode', 'confirm') as 'auto' | 'confirm' | 'disabled';
     state.set('toolCallingEnabled', toolCallingEnabled);
     state.set('runCommandMode', runCommandMode);