Add MiniMax API support, Apple Container runtime, and stop script

- Add ASSISTANT_NAME and claude-minimax.sh for MiniMax API usage
- Switch container runtime from Docker to Apple Container
- Add CJK character restriction notice to CLAUDE.md files
- Add stop.sh for graceful shutdown

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/db.ts

@@ -73,6 +73,16 @@ function createSchema(database: Database.Database): void {
       group_folder TEXT PRIMARY KEY,
       session_id TEXT NOT NULL
     );
+    CREATE TABLE IF NOT EXISTS outbound_messages (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      chat_jid TEXT NOT NULL,
+      content TEXT NOT NULL,
+      sent_at TEXT NOT NULL,
+      message_type TEXT DEFAULT 'response'
+    );
+    CREATE INDEX IF NOT EXISTS idx_outbound_chat ON outbound_messages(chat_jid, sent_at);
+    CREATE INDEX IF NOT EXISTS idx_outbound_sent_at ON outbound_messages(sent_at);
+
     CREATE TABLE IF NOT EXISTS registered_groups (
       jid TEXT PRIMARY KEY,
       name TEXT NOT NULL,
@@ -695,3 +705,73 @@ function migrateJsonState(): void {
     }
   }
 }
+
+/**
+ * Outbound message history for dashboard
+ */
+export interface OutboundMessage {
+  id: number;
+  chat_jid: string;
+  content: string;
+  sent_at: string;
+  message_type: string;
+}
+
+/**
+ * Store an outbound message (agent response)
+ */
+export function storeOutboundMessage(
+  chatJid: string,
+  content: string,
+  messageType: string = 'response',
+): void {
+  db.prepare(
+    `INSERT INTO outbound_messages (chat_jid, content, sent_at, message_type) VALUES (?, ?, ?, ?)`,
+  ).run(chatJid, content, new Date().toISOString(), messageType);
+}
+
+/**
+ * Get recent outbound messages (default: last 100)
+ */
+export function getOutboundMessages(limit: number = 100): OutboundMessage[] {
+  return db
+    .prepare(
+      `SELECT id, chat_jid, content, sent_at, message_type
+       FROM outbound_messages
+       ORDER BY sent_at DESC
+       LIMIT ?`,
+    )
+    .all(limit) as OutboundMessage[];
+}
+
+/**
+ * Get outbound messages by chat JID
+ */
+export function getOutboundMessagesByChat(
+  chatJid: string,
+  limit: number = 50,
+): OutboundMessage[] {
+  return db
+    .prepare(
+      `SELECT id, chat_jid, content, sent_at, message_type
+       FROM outbound_messages
+       WHERE chat_jid = ?
+       ORDER BY sent_at DESC
+       LIMIT ?`,
+    )
+    .all(chatJid, limit) as OutboundMessage[];
+}
+
+/**
+ * Cleanup outbound messages older than retention days (default: 7)
+ */
+export function cleanupOldOutboundMessages(retentionDays: number = 7): number {
+  const cutoff = new Date();
+  cutoff.setDate(cutoff.getDate() - retentionDays);
+  const cutoffStr = cutoff.toISOString();
+
+  const result = db
+    .prepare(`DELETE FROM outbound_messages WHERE sent_at < ?`)
+    .run(cutoffStr);
+  return result.changes;
+}