初步集成消息通道，支持Telegram + Lark机器人

src-tauri/Cargo.lock

@@ -386,7 +386,7 @@ dependencies = [
  "sha1",
  "sync_wrapper",
  "tokio",
- "tokio-tungstenite",
+ "tokio-tungstenite 0.28.0",
  "tower",
  "tower-layer",
  "tower-service",
@@ -850,6 +850,7 @@ name = "codeg"
 version = "0.5.3"
 dependencies = [
  "agent-client-protocol-schema",
+ "async-trait",
  "axum",
  "base64 0.22.1",
  "bzip2",
@@ -858,11 +859,13 @@ dependencies = [
  "fix-path-env",
  "flate2",
  "futures",
+ "futures-util",
  "keyring",
  "kill_tree",
  "mac-notification-sys",
  "notify",
  "portable-pty",
+ "prost",
  "regex",
  "reqwest 0.12.28",
  "sacp",
@@ -882,6 +885,7 @@ dependencies = [
  "tauri-plugin-window-state",
  "thiserror 2.0.18",
  "tokio",
+ "tokio-tungstenite 0.26.2",
  "toml 0.8.2",
  "tower-http",
  "urlencoding",
@@ -4292,6 +4296,29 @@ dependencies = [
  "yansi",
 ]
 
+[[package]]
+name = "prost"
+version = "0.13.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2796faa41db3ec313a31f7624d9286acf277b52de526150b7e69f3debf891ee5"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.13.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a56d757972c98b346a9b766e3f02746cde6dd1cd1d1d563472929fdd74bec4d"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "ptr_meta"
 version = "0.1.4"
@@ -6731,6 +6758,20 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-tungstenite"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a9daff607c6d2bf6c16fd681ccb7eecc83e4e2cdc1ca067ffaadfca5de7f084"
+dependencies = [
+ "futures-util",
+ "log",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+ "tungstenite 0.26.2",
+]
+
 [[package]]
 name = "tokio-tungstenite"
 version = "0.28.0"
@@ -6740,7 +6781,7 @@ dependencies = [
  "futures-util",
  "log",
  "tokio",
- "tungstenite",
+ "tungstenite 0.28.0",
 ]
 
 [[package]]
@@ -6984,6 +7025,24 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
+[[package]]
+name = "tungstenite"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4793cb5e56680ecbb1d843515b23b6de9a75eb04b66643e256a396d43be33c13"
+dependencies = [
+ "bytes",
+ "data-encoding",
+ "http",
+ "httparse",
+ "log",
+ "native-tls",
+ "rand 0.9.2",
+ "sha1",
+ "thiserror 2.0.18",
+ "utf-8",
+]
+
 [[package]]
 name = "tungstenite"
 version = "0.28.0"

src-tauri/Cargo.toml

@@ -46,6 +46,7 @@ tauri-build = { version = "2", features = [], optional = true }
 tauri = { version = "2", features = [], optional = true }
 tauri-plugin-opener = { version = "2", optional = true }
 tauri-plugin-dialog = { version = "2", optional = true }
+async-trait = "0.1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 chrono = { version = "0.4", features = ["serde"] }
@@ -77,6 +78,9 @@ which = "7"
 keyring = { version = "3", features = ["apple-native", "windows-native", "sync-secret-service"], optional = true }
 axum = { version = "0.8", features = ["ws"] }
 tower-http = { version = "0.6", features = ["fs", "cors"] }
+tokio-tungstenite = { version = "0.26", features = ["native-tls"] }
+futures-util = "0.3"
+prost = "0.13"
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
 tauri-plugin-window-state = { version = "2", optional = true }

src-tauri/src/app_state.rs

@@ -2,6 +2,7 @@ use std::path::PathBuf;
 use std::sync::Arc;
 
 use crate::acp::manager::ConnectionManager;
+use crate::chat_channel::manager::ChatChannelManager;
 use crate::db::AppDatabase;
 use crate::terminal::manager::TerminalManager;
 use crate::web::event_bridge::{EventEmitter, WebEventBroadcaster};
@@ -15,6 +16,7 @@ pub struct AppState {
     pub emitter: EventEmitter,
     pub data_dir: PathBuf,
     pub web_server_state: WebServerState,
+    pub chat_channel_manager: ChatChannelManager,
 }
 
 pub fn default_connection_manager() -> ConnectionManager {
@@ -24,3 +26,7 @@ pub fn default_connection_manager() -> ConnectionManager {
 pub fn default_terminal_manager() -> TerminalManager {
     TerminalManager::new()
 }
+
+pub fn default_chat_channel_manager() -> ChatChannelManager {
+    ChatChannelManager::new()
+}

src-tauri/src/bin/codeg_server.rs

@@ -45,8 +45,15 @@ async fn main() {
         emitter,
         data_dir,
         web_server_state: WebServerState::new(),
+        chat_channel_manager: codeg_lib::app_state::default_chat_channel_manager(),
     });
 
+    // Start chat channel background tasks (event subscriber, command dispatcher, scheduler, auto-connect)
+    state
+        .chat_channel_manager
+        .start_background(state.event_broadcaster.clone(), state.db.conn.clone())
+        .await;
+
     // Build router
     let router = codeg_lib::web::router::build_router(state, token.clone(), static_dir);
 

src-tauri/src/chat_channel/backends/lark.rs

@@ -0,0 +1,622 @@
+use std::collections::HashMap;
+use std::sync::Arc;
+use std::time::{Duration, Instant};
+
+use async_trait::async_trait;
+use futures_util::{SinkExt, StreamExt};
+use prost::Message as ProstMessage;
+use serde::{Deserialize, Serialize};
+use tokio::sync::{mpsc, Mutex, RwLock};
+use tokio_tungstenite::tungstenite;
+
+use crate::chat_channel::error::ChatChannelError;
+use crate::chat_channel::traits::ChatChannelBackend;
+use crate::chat_channel::types::*;
+
+const FEISHU_BASE_URL: &str = "https://open.feishu.cn";
+const TOKEN_REFRESH_MARGIN_SECS: u64 = 300;
+
+// ── Lark WebSocket protobuf Frame (pbbp2) ──
+// Source: larksuite/oapi-sdk-go ws/pbbp2.pb.go
+
+const FRAME_METHOD_CONTROL: i32 = 0; // Ping/Pong
+const FRAME_METHOD_DATA: i32 = 1; // Event/Card
+
+#[derive(Clone, PartialEq, ProstMessage)]
+struct Frame {
+    #[prost(uint64, tag = 1)]
+    seq_id: u64,
+    #[prost(uint64, tag = 2)]
+    log_id: u64,
+    #[prost(int32, tag = 3)]
+    service: i32,
+    #[prost(int32, tag = 4)]
+    method: i32,
+    #[prost(message, repeated, tag = 5)]
+    headers: Vec<FrameHeader>,
+    #[prost(string, tag = 6)]
+    payload_encoding: String,
+    #[prost(string, tag = 7)]
+    payload_type: String,
+    #[prost(bytes = "vec", tag = 8)]
+    payload: Vec<u8>,
+    #[prost(string, tag = 9)]
+    log_id_new: String,
+}
+
+#[derive(Clone, PartialEq, ProstMessage)]
+struct FrameHeader {
+    #[prost(string, tag = 1)]
+    key: String,
+    #[prost(string, tag = 2)]
+    value: String,
+}
+
+impl Frame {
+    fn get_header(&self, key: &str) -> Option<&str> {
+        self.headers
+            .iter()
+            .find(|h| h.key == key)
+            .map(|h| h.value.as_str())
+    }
+
+    fn set_header(&mut self, key: &str, value: &str) {
+        if let Some(h) = self.headers.iter_mut().find(|h| h.key == key) {
+            h.value = value.to_string();
+        } else {
+            self.headers.push(FrameHeader {
+                key: key.to_string(),
+                value: value.to_string(),
+            });
+        }
+    }
+}
+
+// ── Lark REST API types ──
+
+#[derive(Deserialize)]
+struct TenantAccessTokenResponse {
+    code: i32,
+    msg: String,
+    tenant_access_token: Option<String>,
+    expire: Option<u64>,
+}
+
+#[derive(Serialize)]
+struct SendMessageRequest {
+    receive_id: String,
+    msg_type: String,
+    content: String,
+}
+
+#[derive(Deserialize)]
+struct SendMessageResponse {
+    code: i32,
+    msg: String,
+    data: Option<SendMessageData>,
+}
+
+#[derive(Deserialize)]
+struct SendMessageData {
+    message_id: Option<String>,
+}
+
+#[derive(Deserialize)]
+struct WsConnectResponse {
+    code: i32,
+    msg: String,
+    data: Option<WsConnectData>,
+}
+
+#[derive(Deserialize)]
+struct WsConnectData {
+    #[serde(rename = "URL")]
+    url: Option<String>,
+}
+
+// ── Token cache ──
+
+struct TokenCache {
+    token: String,
+    expires_at: Instant,
+}
+
+// ── Multi-part frame cache ──
+
+struct PartialMessage {
+    parts: HashMap<i32, Vec<u8>>,
+    total: i32,
+}
+
+// ── LarkBackend ──
+
+pub struct LarkBackend {
+    app_id: String,
+    app_secret: String,
+    chat_id: String,
+    channel_id: i32,
+    client: reqwest::Client,
+    token_cache: Arc<RwLock<Option<TokenCache>>>,
+    status: Arc<Mutex<ChannelConnectionStatus>>,
+    shutdown_tx: Arc<Mutex<Option<tokio::sync::watch::Sender<bool>>>>,
+}
+
+impl LarkBackend {
+    pub fn new(channel_id: i32, app_id: String, app_secret: String, chat_id: String) -> Self {
+        Self {
+            app_id,
+            app_secret,
+            chat_id,
+            channel_id,
+            client: reqwest::Client::new(),
+            token_cache: Arc::new(RwLock::new(None)),
+            status: Arc::new(Mutex::new(ChannelConnectionStatus::Disconnected)),
+            shutdown_tx: Arc::new(Mutex::new(None)),
+        }
+    }
+
+    async fn get_tenant_access_token(&self) -> Result<String, ChatChannelError> {
+        {
+            let cache = self.token_cache.read().await;
+            if let Some(cached) = cache.as_ref() {
+                if cached.expires_at > Instant::now() {
+                    return Ok(cached.token.clone());
+                }
+            }
+        }
+
+        let resp = self
+            .client
+            .post(format!(
+                "{}/open-apis/auth/v3/tenant_access_token/internal",
+                FEISHU_BASE_URL
+            ))
+            .json(&serde_json::json!({
+                "app_id": self.app_id,
+                "app_secret": self.app_secret,
+            }))
+            .send()
+            .await
+            .map_err(|e| ChatChannelError::AuthenticationFailed(e.to_string()))?;
+
+        let result: TenantAccessTokenResponse = resp
+            .json()
+            .await
+            .map_err(|e| ChatChannelError::AuthenticationFailed(e.to_string()))?;
+
+        if result.code != 0 {
+            return Err(ChatChannelError::AuthenticationFailed(format!(
+                "code={}, msg={}",
+                result.code, result.msg
+            )));
+        }
+
+        let token = result
+            .tenant_access_token
+            .ok_or_else(|| {
+                ChatChannelError::AuthenticationFailed("No token in response".into())
+            })?;
+        let expire_secs = result.expire.unwrap_or(7200);
+
+        let expires_at = Instant::now()
+            + Duration::from_secs(expire_secs.saturating_sub(TOKEN_REFRESH_MARGIN_SECS));
+        *self.token_cache.write().await = Some(TokenCache {
+            token: token.clone(),
+            expires_at,
+        });
+
+        Ok(token)
+    }
+
+    async fn send_lark_message(
+        &self,
+        msg_type: &str,
+        content: &str,
+    ) -> Result<SentMessageId, ChatChannelError> {
+        let token = self.get_tenant_access_token().await?;
+
+        let resp = self
+            .client
+            .post(format!(
+                "{}/open-apis/im/v1/messages?receive_id_type=chat_id",
+                FEISHU_BASE_URL
+            ))
+            .header("Authorization", format!("Bearer {}", token))
+            .json(&SendMessageRequest {
+                receive_id: self.chat_id.clone(),
+                msg_type: msg_type.to_string(),
+                content: content.to_string(),
+            })
+            .send()
+            .await
+            .map_err(|e| ChatChannelError::SendFailed(e.to_string()))?;
+
+        let result: SendMessageResponse = resp
+            .json()
+            .await
+            .map_err(|e| ChatChannelError::SendFailed(e.to_string()))?;
+
+        if result.code != 0 {
+            return Err(ChatChannelError::SendFailed(format!(
+                "code={}, msg={}",
+                result.code, result.msg
+            )));
+        }
+
+        let message_id = result
+            .data
+            .and_then(|d| d.message_id)
+            .unwrap_or_default();
+        Ok(SentMessageId(message_id))
+    }
+
+    async fn start_ws_receiver(
+        &self,
+        command_tx: mpsc::Sender<IncomingCommand>,
+    ) -> Result<(), ChatChannelError> {
+        // Verify we can get a WS URL before spawning the background task
+        let _ = fetch_ws_url(&self.client, &self.app_id, &self.app_secret).await?;
+
+        let (shutdown_tx, mut shutdown_rx) = tokio::sync::watch::channel(false);
+        *self.shutdown_tx.lock().await = Some(shutdown_tx);
+
+        let channel_id = self.channel_id;
+        let status = self.status.clone();
+        let app_id = self.app_id.clone();
+        let app_secret = self.app_secret.clone();
+        let client = self.client.clone();
+
+        tokio::spawn(async move {
+            let mut retry_count = 0u32;
+
+            loop {
+                if *shutdown_rx.borrow() {
+                    break;
+                }
+
+                let ws_url = match fetch_ws_url(&client, &app_id, &app_secret).await {
+                    Ok(url) => url,
+                    Err(e) => {
+                        eprintln!("[Lark] failed to get WS endpoint: {e}");
+                        *status.lock().await = ChannelConnectionStatus::Error;
+                        let delay = Duration::from_secs((2u64).pow(retry_count.min(5)));
+                        retry_count += 1;
+                        tokio::select! {
+                            _ = tokio::time::sleep(delay) => continue,
+                            _ = shutdown_rx.changed() => break,
+                        }
+                    }
+                };
+
+                let ws_result = tokio_tungstenite::connect_async(&ws_url).await;
+                let ws_stream = match ws_result {
+                    Ok((stream, _)) => {
+                        *status.lock().await = ChannelConnectionStatus::Connected;
+                        retry_count = 0;
+                        eprintln!("[Lark] WebSocket connected");
+                        stream
+                    }
+                    Err(e) => {
+                        eprintln!("[Lark] WebSocket connect failed: {e}");
+                        *status.lock().await = ChannelConnectionStatus::Error;
+                        let delay = Duration::from_secs((2u64).pow(retry_count.min(5)));
+                        retry_count += 1;
+                        tokio::select! {
+                            _ = tokio::time::sleep(delay) => continue,
+                            _ = shutdown_rx.changed() => break,
+                        }
+                    }
+                };
+
+                let (mut write, mut read) = ws_stream.split();
+                let mut partial_msgs: HashMap<String, PartialMessage> = HashMap::new();
+
+                loop {
+                    tokio::select! {
+                        msg = read.next() => {
+                            match msg {
+                                Some(Ok(tungstenite::Message::Binary(data))) => {
+                                    match Frame::decode(data.as_ref()) {
+                                        Ok(frame) => {
+                                            let frame_type = frame.get_header("type").unwrap_or("").to_string();
+
+                                            if frame.method == FRAME_METHOD_CONTROL {
+                                                // Control frame: ping → respond with pong
+                                                if frame_type == "ping" {
+                                                    let mut pong = frame.clone();
+                                                    // Clear type header and set to pong
+                                                    pong.set_header("type", "pong");
+                                                    pong.payload = Vec::new();
+                                                    let mut buf = Vec::new();
+                                                    if pong.encode(&mut buf).is_ok() {
+                                                        let _ = write.send(tungstenite::Message::Binary(buf.into())).await;
+                                                    }
+                                                }
+                                            } else if frame.method == FRAME_METHOD_DATA && frame_type == "event" {
+                                                let start = Instant::now();
+
+                                                // Multi-part reassembly
+                                                let msg_id = frame.get_header("message_id").unwrap_or("").to_string();
+                                                let sum: i32 = frame.get_header("sum").and_then(|s| s.parse().ok()).unwrap_or(1);
+                                                let seq: i32 = frame.get_header("seq").and_then(|s| s.parse().ok()).unwrap_or(0);
+
+                                                let full_payload = if sum <= 1 {
+                                                    Some(frame.payload.clone())
+                                                } else {
+                                                    let entry = partial_msgs.entry(msg_id.clone()).or_insert_with(|| PartialMessage {
+                                                        parts: HashMap::new(),
+                                                        total: sum,
+                                                    });
+                                                    entry.parts.insert(seq, frame.payload.clone());
+                                                    if entry.parts.len() as i32 >= entry.total {
+                                                        // All parts received — reassemble in order
+                                                        let mut combined = Vec::new();
+                                                        for i in 0..entry.total {
+                                                            if let Some(part) = entry.parts.get(&i) {
+                                                                combined.extend_from_slice(part);
+                                                            }
+                                                        }
+                                                        partial_msgs.remove(&msg_id);
+                                                        Some(combined)
+                                                    } else {
+                                                        None // Still waiting for more parts
+                                                    }
+                                                };
+
+                                                if let Some(payload_bytes) = full_payload {
+                                                    // Process event
+                                                    if let Ok(payload_str) = std::str::from_utf8(&payload_bytes) {
+                                                        if let Ok(event) = serde_json::from_str::<serde_json::Value>(payload_str) {
+                                                            handle_lark_event(&event, channel_id, &command_tx).await;
+                                                        } else {
+                                                            eprintln!("[Lark] event payload is not valid JSON");
+                                                        }
+                                                    }
+
+                                                    // Send acknowledgment: echo frame back with {"code":200}
+                                                    let elapsed_ms = start.elapsed().as_millis();
+                                                    let mut ack = frame.clone();
+                                                    ack.payload = br#"{"code":200}"#.to_vec();
+                                                    ack.set_header("biz_rt", &elapsed_ms.to_string());
+                                                    let mut buf = Vec::new();
+                                                    if ack.encode(&mut buf).is_ok() {
+                                                        let _ = write.send(tungstenite::Message::Binary(buf.into())).await;
+                                                    }
+                                                }
+                                            }
+                                        }
+                                        Err(e) => {
+                                            eprintln!("[Lark] protobuf decode error: {e}, len={}", data.len());
+                                        }
+                                    }
+                                }
+                                Some(Ok(tungstenite::Message::Ping(data))) => {
+                                    let _ = write.send(tungstenite::Message::Pong(data)).await;
+                                }
+                                Some(Ok(tungstenite::Message::Close(_))) | None => {
+                                    eprintln!("[Lark] WebSocket closed, will reconnect");
+                                    break;
+                                }
+                                Some(Err(e)) => {
+                                    eprintln!("[Lark] WebSocket error: {e}");
+                                    break;
+                                }
+                                _ => {}
+                            }
+                        }
+                        _ = shutdown_rx.changed() => {
+                            let _ = write.close().await;
+                            *status.lock().await = ChannelConnectionStatus::Disconnected;
+                            return;
+                        }
+                    }
+                }
+
+                *status.lock().await = ChannelConnectionStatus::Connecting;
+                let delay = Duration::from_secs(3);
+                tokio::select! {
+                    _ = tokio::time::sleep(delay) => {},
+                    _ = shutdown_rx.changed() => break,
+                }
+            }
+
+            *status.lock().await = ChannelConnectionStatus::Disconnected;
+        });
+
+        Ok(())
+    }
+}
+
+async fn handle_lark_event(
+    event: &serde_json::Value,
+    channel_id: i32,
+    command_tx: &mpsc::Sender<IncomingCommand>,
+) {
+    let event_type = event
+        .pointer("/header/event_type")
+        .and_then(|v| v.as_str())
+        .unwrap_or("");
+
+    if event_type == "im.message.receive_v1" {
+        let msg_type = event
+            .pointer("/event/message/message_type")
+            .and_then(|v| v.as_str())
+            .unwrap_or("");
+
+        if msg_type != "text" {
+            return;
+        }
+
+        let content_str = event
+            .pointer("/event/message/content")
+            .and_then(|v| v.as_str())
+            .unwrap_or("");
+
+        // Content is JSON string: {"text":"actual message"}
+        let text = serde_json::from_str::<serde_json::Value>(content_str)
+            .ok()
+            .and_then(|v| v.get("text").and_then(|t| t.as_str()).map(String::from))
+            .unwrap_or_default();
+
+        if text.is_empty() {
+            return;
+        }
+
+        let sender_id = event
+            .pointer("/event/sender/sender_id/open_id")
+            .and_then(|v| v.as_str())
+            .unwrap_or("unknown")
+            .to_string();
+
+        eprintln!("[Lark] incoming message from {}: {}", sender_id, text);
+
+        let _ = command_tx
+            .send(IncomingCommand {
+                channel_id,
+                sender_id,
+                command_text: text,
+                metadata: event.clone(),
+            })
+            .await;
+    }
+}
+
+/// Fetch a fresh WebSocket endpoint URL from Feishu.
+async fn fetch_ws_url(
+    client: &reqwest::Client,
+    app_id: &str,
+    app_secret: &str,
+) -> Result<String, ChatChannelError> {
+    let resp = client
+        .post(format!("{}/callback/ws/endpoint", FEISHU_BASE_URL))
+        .json(&serde_json::json!({
+            "AppID": app_id,
+            "AppSecret": app_secret,
+        }))
+        .send()
+        .await
+        .map_err(|e| ChatChannelError::ConnectionFailed(e.to_string()))?;
+
+    let ws_resp: WsConnectResponse = resp
+        .json()
+        .await
+        .map_err(|e| ChatChannelError::ConnectionFailed(e.to_string()))?;
+
+    if ws_resp.code != 0 {
+        return Err(ChatChannelError::ConnectionFailed(format!(
+            "WS connect failed: code={}, msg={}",
+            ws_resp.code, ws_resp.msg
+        )));
+    }
+
+    ws_resp
+        .data
+        .and_then(|d| d.url)
+        .ok_or_else(|| ChatChannelError::ConnectionFailed("No WebSocket URL returned".into()))
+}
+
+#[async_trait]
+impl ChatChannelBackend for LarkBackend {
+    fn channel_type(&self) -> ChannelType {
+        ChannelType::Lark
+    }
+
+    async fn start(
+        &self,
+        command_tx: mpsc::Sender<IncomingCommand>,
+    ) -> Result<(), ChatChannelError> {
+        *self.status.lock().await = ChannelConnectionStatus::Connecting;
+        self.get_tenant_access_token().await?;
+        *self.status.lock().await = ChannelConnectionStatus::Connected;
+
+        if let Err(e) = self.start_ws_receiver(command_tx).await {
+            eprintln!("[Lark] WebSocket receiver failed to start: {e}");
+        }
+
+        Ok(())
+    }
+
+    async fn stop(&self) -> Result<(), ChatChannelError> {
+        if let Some(tx) = self.shutdown_tx.lock().await.take() {
+            let _ = tx.send(true);
+        }
+        *self.status.lock().await = ChannelConnectionStatus::Disconnected;
+        Ok(())
+    }
+
+    async fn status(&self) -> ChannelConnectionStatus {
+        *self.status.lock().await
+    }
+
+    async fn send_message(&self, text: &str) -> Result<SentMessageId, ChatChannelError> {
+        let content = serde_json::json!({ "text": text }).to_string();
+        self.send_lark_message("text", &content).await
+    }
+
+    async fn send_rich_message(
+        &self,
+        message: &RichMessage,
+    ) -> Result<SentMessageId, ChatChannelError> {
+        let card = build_lark_card(message);
+        let content = serde_json::to_string(&card)
+            .map_err(|e| ChatChannelError::SendFailed(e.to_string()))?;
+        self.send_lark_message("interactive", &content).await
+    }
+
+    async fn test_connection(&self) -> Result<(), ChatChannelError> {
+        self.get_tenant_access_token().await?;
+        Ok(())
+    }
+}
+
+fn build_lark_card(msg: &RichMessage) -> serde_json::Value {
+    let header_color = match msg.level {
+        MessageLevel::Info => "blue",
+        MessageLevel::Warning => "orange",
+        MessageLevel::Error => "red",
+    };
+
+    let title = msg.title.as_deref().unwrap_or("Codeg");
+
+    let mut elements: Vec<serde_json::Value> = Vec::new();
+
+    if !msg.body.is_empty() {
+        elements.push(serde_json::json!({
+            "tag": "markdown",
+            "content": msg.body,
+        }));
+    }
+
+    if !msg.fields.is_empty() {
+        let field_elements: Vec<serde_json::Value> = msg
+            .fields
+            .iter()
+            .map(|(k, v)| {
+                serde_json::json!({
+                    "is_short": true,
+                    "text": {
+                        "tag": "lark_md",
+                        "content": format!("**{}**\n{}", k, v),
+                    }
+                })
+            })
+            .collect();
+
+        elements.push(serde_json::json!({
+            "tag": "div",
+            "fields": field_elements,
+        }));
+    }
+
+    serde_json::json!({
+        "config": { "wide_screen_mode": true },
+        "header": {
+            "title": {
+                "tag": "plain_text",
+                "content": title,
+            },
+            "template": header_color,
+        },
+        "elements": elements,
+    })
+}

src-tauri/src/chat_channel/backends/mod.rs

@@ -0,0 +1,2 @@
+pub mod lark;
+pub mod telegram;

src-tauri/src/chat_channel/backends/telegram.rs

@@ -0,0 +1,255 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use tokio::sync::{mpsc, Mutex};
+
+use crate::chat_channel::error::ChatChannelError;
+use crate::chat_channel::traits::ChatChannelBackend;
+use crate::chat_channel::types::*;
+
+pub struct TelegramBackend {
+    bot_token: String,
+    chat_id: String,
+    client: reqwest::Client,
+    status: Arc<Mutex<ChannelConnectionStatus>>,
+    channel_id: i32,
+    shutdown_tx: Arc<Mutex<Option<tokio::sync::watch::Sender<bool>>>>,
+}
+
+impl TelegramBackend {
+    pub fn new(channel_id: i32, bot_token: String, chat_id: String) -> Self {
+        Self {
+            bot_token,
+            chat_id,
+            client: reqwest::Client::new(),
+            status: Arc::new(Mutex::new(ChannelConnectionStatus::Disconnected)),
+            channel_id,
+            shutdown_tx: Arc::new(Mutex::new(None)),
+        }
+    }
+
+    fn api_url(&self, method: &str) -> String {
+        format!(
+            "https://api.telegram.org/bot{}/{}",
+            self.bot_token, method
+        )
+    }
+}
+
+#[async_trait]
+impl ChatChannelBackend for TelegramBackend {
+    fn channel_type(&self) -> ChannelType {
+        ChannelType::Telegram
+    }
+
+    async fn start(
+        &self,
+        command_tx: mpsc::Sender<IncomingCommand>,
+    ) -> Result<(), ChatChannelError> {
+        *self.status.lock().await = ChannelConnectionStatus::Connecting;
+
+        // Verify bot token by calling getMe
+        let resp = self
+            .client
+            .get(&self.api_url("getMe"))
+            .send()
+            .await
+            .map_err(|e| ChatChannelError::ConnectionFailed(e.to_string()))?;
+
+        if !resp.status().is_success() {
+            *self.status.lock().await = ChannelConnectionStatus::Error;
+            return Err(ChatChannelError::AuthenticationFailed(
+                "Invalid bot token".to_string(),
+            ));
+        }
+
+        *self.status.lock().await = ChannelConnectionStatus::Connected;
+
+        // Start long-polling loop
+        let (shutdown_tx, mut shutdown_rx) = tokio::sync::watch::channel(false);
+        *self.shutdown_tx.lock().await = Some(shutdown_tx);
+
+        let client = self.client.clone();
+        let bot_token = self.bot_token.clone();
+        let channel_id = self.channel_id;
+        let status = self.status.clone();
+
+        tokio::spawn(async move {
+            let mut offset: i64 = 0;
+            loop {
+                if *shutdown_rx.borrow() {
+                    break;
+                }
+
+                let url = format!(
+                    "https://api.telegram.org/bot{}/getUpdates?timeout=30&offset={}",
+                    bot_token, offset
+                );
+
+                let result = tokio::select! {
+                    r = client.get(&url).send() => r,
+                    _ = shutdown_rx.changed() => break,
+                };
+
+                match result {
+                    Ok(resp) => {
+                        if let Ok(body) = resp.json::<serde_json::Value>().await {
+                            if let Some(updates) = body.get("result").and_then(|r| r.as_array()) {
+                                for update in updates {
+                                    if let Some(uid) =
+                                        update.get("update_id").and_then(|u| u.as_i64())
+                                    {
+                                        offset = uid + 1;
+                                    }
+                                    if let Some(text) = update
+                                        .pointer("/message/text")
+                                        .and_then(|t| t.as_str())
+                                    {
+                                        let sender_id = update
+                                            .pointer("/message/from/id")
+                                            .and_then(|i| i.as_i64())
+                                            .map(|i| i.to_string())
+                                            .unwrap_or_default();
+                                        let _ = command_tx
+                                            .send(IncomingCommand {
+                                                channel_id,
+                                                sender_id,
+                                                command_text: text.to_string(),
+                                                metadata: update.clone(),
+                                            })
+                                            .await;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    Err(e) => {
+                        eprintln!("[Telegram] polling error: {e}");
+                        *status.lock().await = ChannelConnectionStatus::Error;
+                        tokio::time::sleep(tokio::time::Duration::from_secs(5)).await;
+                        *status.lock().await = ChannelConnectionStatus::Connected;
+                    }
+                }
+            }
+            *status.lock().await = ChannelConnectionStatus::Disconnected;
+        });
+
+        Ok(())
+    }
+
+    async fn stop(&self) -> Result<(), ChatChannelError> {
+        if let Some(tx) = self.shutdown_tx.lock().await.take() {
+            let _ = tx.send(true);
+        }
+        *self.status.lock().await = ChannelConnectionStatus::Disconnected;
+        Ok(())
+    }
+
+    async fn status(&self) -> ChannelConnectionStatus {
+        *self.status.lock().await
+    }
+
+    async fn send_message(&self, text: &str) -> Result<SentMessageId, ChatChannelError> {
+        let body = serde_json::json!({
+            "chat_id": self.chat_id,
+            "text": text,
+            "parse_mode": "Markdown",
+        });
+
+        let resp = self
+            .client
+            .post(&self.api_url("sendMessage"))
+            .json(&body)
+            .send()
+            .await
+            .map_err(|e| ChatChannelError::SendFailed(e.to_string()))?;
+
+        let result: serde_json::Value = resp
+            .json()
+            .await
+            .map_err(|e| ChatChannelError::SendFailed(e.to_string()))?;
+
+        let message_id = result
+            .pointer("/result/message_id")
+            .and_then(|v| v.as_i64())
+            .map(|id| id.to_string())
+            .unwrap_or_default();
+
+        Ok(SentMessageId(message_id))
+    }
+
+    async fn send_rich_message(
+        &self,
+        message: &RichMessage,
+    ) -> Result<SentMessageId, ChatChannelError> {
+        let text = format_telegram_markdown(message);
+        self.send_message(&text).await
+    }
+
+    async fn test_connection(&self) -> Result<(), ChatChannelError> {
+        let resp = self
+            .client
+            .get(&self.api_url("getMe"))
+            .send()
+            .await
+            .map_err(|e| ChatChannelError::ConnectionFailed(e.to_string()))?;
+
+        if resp.status().is_success() {
+            Ok(())
+        } else {
+            Err(ChatChannelError::AuthenticationFailed(
+                "Invalid bot token".to_string(),
+            ))
+        }
+    }
+}
+
+fn format_telegram_markdown(msg: &RichMessage) -> String {
+    let mut text = String::new();
+
+    let level_emoji = match msg.level {
+        MessageLevel::Info => "ℹ️",
+        MessageLevel::Warning => "⚠️",
+        MessageLevel::Error => "❌",
+    };
+
+    if let Some(title) = &msg.title {
+        text.push_str(&format!("{} *{}*\n", level_emoji, escape_markdown(title)));
+    }
+
+    text.push_str(&escape_markdown(&msg.body));
+
+    if !msg.fields.is_empty() {
+        text.push('\n');
+        for (key, value) in &msg.fields {
+            text.push_str(&format!(
+                "\n*{}*: {}",
+                escape_markdown(key),
+                escape_markdown(value)
+            ));
+        }
+    }
+
+    text
+}
+
+fn escape_markdown(text: &str) -> String {
+    text.replace('_', "\\_")
+        .replace('*', "\\*")
+        .replace('[', "\\[")
+        .replace(']', "\\]")
+        .replace('(', "\\(")
+        .replace(')', "\\)")
+        .replace('~', "\\~")
+        .replace('`', "\\`")
+        .replace('>', "\\>")
+        .replace('#', "\\#")
+        .replace('+', "\\+")
+        .replace('-', "\\-")
+        .replace('=', "\\=")
+        .replace('|', "\\|")
+        .replace('{', "\\{")
+        .replace('}', "\\}")
+        .replace('.', "\\.")
+        .replace('!', "\\!")
+}

src-tauri/src/chat_channel/command_dispatcher.rs

@@ -0,0 +1,97 @@
+use sea_orm::DatabaseConnection;
+use tokio::sync::mpsc;
+use tokio::task::JoinHandle;
+
+use super::command_handlers;
+use super::manager::ChatChannelManager;
+use super::types::IncomingCommand;
+use crate::db::service::chat_channel_message_log_service;
+
+pub fn spawn_command_dispatcher(
+    mut command_rx: mpsc::Receiver<IncomingCommand>,
+    manager: ChatChannelManager,
+    db_conn: DatabaseConnection,
+) -> JoinHandle<()> {
+    tokio::spawn(async move {
+        while let Some(cmd) = command_rx.recv().await {
+            let text = cmd.command_text.trim();
+
+            // Log inbound command
+            let _ = chat_channel_message_log_service::create_log(
+                &db_conn,
+                cmd.channel_id,
+                "inbound",
+                "command_query",
+                text,
+                "sent",
+                None,
+            )
+            .await;
+
+            let response = dispatch_command(text, &db_conn, &manager).await;
+
+            // Send response back via the same channel
+            let send_result = manager.send_to_channel(cmd.channel_id, &response).await;
+            let (status, error_detail) = match &send_result {
+                Ok(_) => ("sent", None),
+                Err(e) => ("failed", Some(e.to_string())),
+            };
+
+            let _ = chat_channel_message_log_service::create_log(
+                &db_conn,
+                cmd.channel_id,
+                "outbound",
+                "command_response",
+                &response.to_plain_text(),
+                status,
+                error_detail,
+            )
+            .await;
+        }
+    })
+}
+
+async fn dispatch_command(
+    text: &str,
+    db: &DatabaseConnection,
+    manager: &ChatChannelManager,
+) -> super::types::RichMessage {
+    let parts: Vec<&str> = text.splitn(2, ' ').collect();
+    let command = parts[0].to_lowercase();
+    let args = parts.get(1).map(|s| s.trim()).unwrap_or("");
+
+    match command.as_str() {
+        "/recent" => command_handlers::handle_recent(db).await,
+        "/search" => {
+            if args.is_empty() {
+                super::types::RichMessage::info("用法: /search <关键词>")
+                    .with_title("参数错误")
+            } else {
+                command_handlers::handle_search(db, args).await
+            }
+        }
+        "/detail" => {
+            if let Ok(id) = args.parse::<i32>() {
+                command_handlers::handle_detail(db, id).await
+            } else {
+                super::types::RichMessage::info("用法: /detail <会话ID>")
+                    .with_title("参数错误")
+            }
+        }
+        "/today" => command_handlers::handle_today(db).await,
+        "/status" => command_handlers::handle_status(manager).await,
+        "/help" | "/start" => command_handlers::handle_help(),
+        _ => {
+            if text.starts_with('/') {
+                super::types::RichMessage::info(format!(
+                    "未知命令: {}\n输入 /help 查看可用命令",
+                    command
+                ))
+                .with_title("未知命令")
+            } else {
+                // Non-command messages are ignored
+                return command_handlers::handle_help();
+            }
+        }
+    }
+}

src-tauri/src/chat_channel/command_handlers.rs

@@ -0,0 +1,218 @@
+use chrono::Utc;
+use sea_orm::{ColumnTrait, DatabaseConnection, EntityTrait, QueryFilter, QueryOrder};
+
+use super::manager::ChatChannelManager;
+use super::types::{MessageLevel, RichMessage};
+use crate::db::entities::conversation;
+
+pub async fn handle_recent(db: &DatabaseConnection) -> RichMessage {
+    let rows = match conversation::Entity::find()
+        .filter(conversation::Column::DeletedAt.is_null())
+        .order_by_desc(conversation::Column::CreatedAt)
+        .all(db)
+        .await
+    {
+        Ok(rows) => rows,
+        Err(e) => {
+            return RichMessage {
+                title: Some("查询失败".to_string()),
+                body: e.to_string(),
+                fields: Vec::new(),
+                level: MessageLevel::Error,
+            };
+        }
+    };
+
+    let recent: Vec<_> = rows.into_iter().take(5).collect();
+    if recent.is_empty() {
+        return RichMessage::info("暂无会话记录").with_title("最近会话");
+    }
+
+    let mut body = String::new();
+    for (i, conv) in recent.iter().enumerate() {
+        let title = conv.title.as_deref().unwrap_or("(无标题)");
+        let agent = &conv.agent_type;
+        let time = conv.created_at.format("%m-%d %H:%M");
+        body.push_str(&format!(
+            "{}. [{}] {} ({})\n",
+            i + 1,
+            agent,
+            title,
+            time
+        ));
+    }
+
+    RichMessage::info(body.trim_end()).with_title("最近 5 条会话")
+}
+
+pub async fn handle_search(db: &DatabaseConnection, keyword: &str) -> RichMessage {
+    let rows = match conversation::Entity::find()
+        .filter(conversation::Column::DeletedAt.is_null())
+        .order_by_desc(conversation::Column::CreatedAt)
+        .all(db)
+        .await
+    {
+        Ok(rows) => rows,
+        Err(e) => {
+            return RichMessage {
+                title: Some("查询失败".to_string()),
+                body: e.to_string(),
+                fields: Vec::new(),
+                level: MessageLevel::Error,
+            };
+        }
+    };
+
+    let keyword_lower = keyword.to_lowercase();
+    let matched: Vec<_> = rows
+        .into_iter()
+        .filter(|c| {
+            c.title
+                .as_deref()
+                .map(|t| t.to_lowercase().contains(&keyword_lower))
+                .unwrap_or(false)
+        })
+        .take(10)
+        .collect();
+
+    if matched.is_empty() {
+        return RichMessage::info(format!("未找到包含 \"{keyword}\" 的会话"))
+            .with_title("搜索结果");
+    }
+
+    let mut body = String::new();
+    for (i, conv) in matched.iter().enumerate() {
+        let title = conv.title.as_deref().unwrap_or("(无标题)");
+        let agent = &conv.agent_type;
+        body.push_str(&format!("{}. [{}] {} (ID:{})\n", i + 1, agent, title, conv.id));
+    }
+
+    RichMessage::info(body.trim_end())
+        .with_title(&format!("搜索 \"{}\" - {} 条结果", keyword, matched.len()))
+}
+
+pub async fn handle_detail(db: &DatabaseConnection, conversation_id: i32) -> RichMessage {
+    let conv = match conversation::Entity::find_by_id(conversation_id)
+        .filter(conversation::Column::DeletedAt.is_null())
+        .one(db)
+        .await
+    {
+        Ok(Some(c)) => c,
+        Ok(None) => {
+            return RichMessage::info(format!("会话 {conversation_id} 不存在"))
+                .with_title("未找到");
+        }
+        Err(e) => {
+            return RichMessage {
+                title: Some("查询失败".to_string()),
+                body: e.to_string(),
+                fields: Vec::new(),
+                level: MessageLevel::Error,
+            };
+        }
+    };
+
+    let title = conv.title.as_deref().unwrap_or("(无标题)");
+    RichMessage::info(title)
+        .with_title(&format!("会话详情 #{}", conv.id))
+        .with_field("代理", &conv.agent_type)
+        .with_field("状态", format!("{:?}", conv.status))
+        .with_field("消息数", &conv.message_count.to_string())
+        .with_field("创建时间", &conv.created_at.format("%Y-%m-%d %H:%M").to_string())
+}
+
+pub async fn handle_today(db: &DatabaseConnection) -> RichMessage {
+    let now = Utc::now();
+    let today_start = now
+        .date_naive()
+        .and_hms_opt(0, 0, 0)
+        .unwrap()
+        .and_utc();
+
+    let rows = match conversation::Entity::find()
+        .filter(conversation::Column::DeletedAt.is_null())
+        .filter(conversation::Column::CreatedAt.gte(today_start))
+        .order_by_desc(conversation::Column::CreatedAt)
+        .all(db)
+        .await
+    {
+        Ok(rows) => rows,
+        Err(e) => {
+            return RichMessage {
+                title: Some("查询失败".to_string()),
+                body: e.to_string(),
+                fields: Vec::new(),
+                level: MessageLevel::Error,
+            };
+        }
+    };
+
+    if rows.is_empty() {
+        return RichMessage::info("今日暂无编码活动").with_title("今日活动");
+    }
+
+    // Group by agent_type
+    let mut by_agent: std::collections::HashMap<String, u32> = std::collections::HashMap::new();
+    let mut titles: Vec<String> = Vec::new();
+    for conv in &rows {
+        *by_agent.entry(conv.agent_type.clone()).or_insert(0) += 1;
+        if let Some(t) = &conv.title {
+            if titles.len() < 5 {
+                titles.push(t.clone());
+            }
+        }
+    }
+
+    let mut body = format!("会话总数: {}", rows.len());
+    body.push_str("\n\n按代理:");
+    for (agent, count) in &by_agent {
+        body.push_str(&format!("\n  {agent} - {count} 个"));
+    }
+
+    if !titles.is_empty() {
+        body.push_str("\n\n最近活动:");
+        for t in &titles {
+            body.push_str(&format!("\n  • {t}"));
+        }
+    }
+
+    RichMessage::info(body).with_title(&format!(
+        "今日活动 ({})",
+        now.format("%Y-%m-%d")
+    ))
+}
+
+pub async fn handle_status(manager: &ChatChannelManager) -> RichMessage {
+    let statuses = manager.get_status().await;
+    if statuses.is_empty() {
+        return RichMessage::info("暂无活跃渠道").with_title("渠道状态");
+    }
+
+    let mut body = String::new();
+    for s in &statuses {
+        let icon = match s.status.as_str() {
+            "connected" => "●",
+            "connecting" => "◎",
+            "error" => "✗",
+            _ => "○",
+        };
+        body.push_str(&format!(
+            "{} {} [{}] - {}\n",
+            icon, s.name, s.channel_type, s.status
+        ));
+    }
+
+    RichMessage::info(body.trim_end()).with_title("渠道状态")
+}
+
+pub fn handle_help() -> RichMessage {
+    RichMessage::info(
+        "/recent - 最近 5 条会话\n\
+         /search <关键词> - 搜索会话\n\
+         /detail <ID> - 会话详情\n\
+         /today - 今日活动汇总\n\
+         /status - 渠道连接状态\n\
+         /help - 显示帮助",
+    )
+    .with_title("Codeg Bot 帮助")
+}

src-tauri/src/chat_channel/error.rs

@@ -0,0 +1,39 @@
+use crate::app_error::AppCommandError;
+
+#[derive(Debug, thiserror::Error)]
+pub enum ChatChannelError {
+    #[error("connection failed: {0}")]
+    ConnectionFailed(String),
+    #[error("send failed: {0}")]
+    SendFailed(String),
+    #[error("authentication failed: {0}")]
+    AuthenticationFailed(String),
+    #[error("configuration invalid: {0}")]
+    ConfigurationInvalid(String),
+    #[error("not connected")]
+    NotConnected,
+    #[error("already connected")]
+    AlreadyConnected,
+    #[error("channel not found: {0}")]
+    NotFound(i32),
+    #[error("{0}")]
+    Other(String),
+}
+
+impl From<ChatChannelError> for AppCommandError {
+    fn from(err: ChatChannelError) -> Self {
+        match &err {
+            ChatChannelError::NotFound(_) => AppCommandError::not_found(err.to_string()),
+            ChatChannelError::AuthenticationFailed(_) => {
+                AppCommandError::authentication_failed(err.to_string())
+            }
+            ChatChannelError::ConfigurationInvalid(_) => {
+                AppCommandError::configuration_invalid(err.to_string())
+            }
+            ChatChannelError::ConnectionFailed(_) | ChatChannelError::SendFailed(_) => {
+                AppCommandError::network(err.to_string())
+            }
+            _ => AppCommandError::task_execution_failed(err.to_string()),
+        }
+    }
+}

src-tauri/src/chat_channel/event_subscriber.rs

@@ -0,0 +1,217 @@
+use std::collections::HashMap;
+use std::sync::Arc;
+use std::time::{Duration, Instant};
+
+use sea_orm::DatabaseConnection;
+use tokio::task::JoinHandle;
+
+use super::manager::ChatChannelManager;
+use super::message_formatter;
+use super::types::RichMessage;
+use crate::db::service::{chat_channel_message_log_service, chat_channel_service};
+use crate::web::event_bridge::WebEventBroadcaster;
+
+/// Minimum interval between pushes for the same event type per channel (debounce).
+const DEBOUNCE_SECS: u64 = 5;
+
+pub fn spawn_event_subscriber(
+    broadcaster: Arc<WebEventBroadcaster>,
+    manager: ChatChannelManager,
+    db_conn: DatabaseConnection,
+) -> JoinHandle<()> {
+    tokio::spawn(async move {
+        let mut rx = broadcaster.subscribe();
+        let mut last_push: HashMap<(i32, String), Instant> = HashMap::new();
+
+        loop {
+            let event = match rx.recv().await {
+                Ok(e) => e,
+                Err(tokio::sync::broadcast::error::RecvError::Lagged(n)) => {
+                    eprintln!("[ChatChannel] event subscriber lagged by {n} messages");
+                    continue;
+                }
+                Err(tokio::sync::broadcast::error::RecvError::Closed) => {
+                    eprintln!("[ChatChannel] event broadcaster closed, stopping subscriber");
+                    break;
+                }
+            };
+
+            let message = match parse_event(&event.channel, &event.payload) {
+                Some((event_type, msg)) => {
+                    // Check enabled channels and forward
+                    let channels = match chat_channel_service::list_enabled(&db_conn).await {
+                        Ok(c) => c,
+                        Err(e) => {
+                            eprintln!("[ChatChannel] failed to list channels: {e}");
+                            continue;
+                        }
+                    };
+
+                    for ch in &channels {
+                        // Check event filter
+                        if let Some(filter_json) = &ch.event_filter_json {
+                            if let Ok(filter) =
+                                serde_json::from_str::<Vec<String>>(filter_json)
+                            {
+                                if !filter.contains(&event_type) {
+                                    continue;
+                                }
+                            }
+                        }
+
+                        // Debounce
+                        let key = (ch.id, event_type.clone());
+                        let now = Instant::now();
+                        if let Some(last) = last_push.get(&key) {
+                            if now.duration_since(*last) < Duration::from_secs(DEBOUNCE_SECS) {
+                                continue;
+                            }
+                        }
+                        last_push.insert(key, now);
+
+                        // Send
+                        let send_result = manager.send_to_channel(ch.id, &msg).await;
+                        let (status, error_detail) = match &send_result {
+                            Ok(_) => ("sent", None),
+                            Err(e) => ("failed", Some(e.to_string())),
+                        };
+
+                        let _ = chat_channel_message_log_service::create_log(
+                            &db_conn,
+                            ch.id,
+                            "outbound",
+                            "event_push",
+                            &msg.to_plain_text(),
+                            status,
+                            error_detail,
+                        )
+                        .await;
+                    }
+
+                    Some(msg)
+                }
+                None => None,
+            };
+
+            drop(message);
+        }
+    })
+}
+
+fn parse_event(channel: &str, payload: &serde_json::Value) -> Option<(String, RichMessage)> {
+    match channel {
+        "acp://event" => parse_acp_event(payload),
+        "folder://git-push-succeeded" => parse_git_push(payload),
+        "folder://git-commit-succeeded" => parse_git_commit(payload),
+        _ => None,
+    }
+}
+
+fn parse_acp_event(payload: &serde_json::Value) -> Option<(String, RichMessage)> {
+    let event_type = payload.get("type")?.as_str()?;
+    let connection_id = payload
+        .get("connection_id")
+        .and_then(|v| v.as_str())
+        .unwrap_or("unknown");
+
+    match event_type {
+        "session_started" => {
+            let agent_type = payload
+                .pointer("/data/agent_type")
+                .and_then(|v| v.as_str())
+                .unwrap_or("Unknown Agent");
+            let folder = payload
+                .pointer("/data/folder_name")
+                .and_then(|v| v.as_str())
+                .unwrap_or(connection_id);
+            Some((
+                "session_started".to_string(),
+                message_formatter::format_session_started(agent_type, folder),
+            ))
+        }
+        "turn_complete" => {
+            let stop_reason = payload
+                .pointer("/data/stop_reason")
+                .and_then(|v| v.as_str())
+                .unwrap_or("unknown");
+            // Only push for end_turn, not for intermediate completions
+            if stop_reason != "end_turn" {
+                return None;
+            }
+            let agent_type = payload
+                .pointer("/data/agent_type")
+                .and_then(|v| v.as_str())
+                .unwrap_or("Unknown Agent");
+            Some((
+                "turn_complete".to_string(),
+                message_formatter::format_turn_complete(agent_type, stop_reason),
+            ))
+        }
+        "error" => {
+            let agent_type = payload
+                .pointer("/data/agent_type")
+                .and_then(|v| v.as_str())
+                .unwrap_or("Unknown Agent");
+            let message = payload
+                .pointer("/data/message")
+                .and_then(|v| v.as_str())
+                .unwrap_or("Unknown error");
+            Some((
+                "error".to_string(),
+                message_formatter::format_agent_error(agent_type, message),
+            ))
+        }
+        "status_changed" => {
+            let status = payload
+                .pointer("/data/status")
+                .and_then(|v| v.as_str())?;
+            if status != "disconnected" {
+                return None;
+            }
+            let agent_type = payload
+                .pointer("/data/agent_type")
+                .and_then(|v| v.as_str())
+                .unwrap_or("Unknown Agent");
+            Some((
+                "status_disconnected".to_string(),
+                message_formatter::format_agent_disconnected(agent_type),
+            ))
+        }
+        // Phase 2: "permission_request" will be handled here
+        _ => None,
+    }
+}
+
+fn parse_git_push(payload: &serde_json::Value) -> Option<(String, RichMessage)> {
+    let folder_name = payload
+        .get("folder_name")
+        .and_then(|v| v.as_str())
+        .unwrap_or("unknown");
+    let branch = payload
+        .get("branch")
+        .and_then(|v| v.as_str())
+        .unwrap_or("unknown");
+    let commits = payload
+        .get("pushed_commits")
+        .and_then(|v| v.as_u64())
+        .unwrap_or(0) as u32;
+    Some((
+        "git_push".to_string(),
+        message_formatter::format_git_push(folder_name, branch, commits),
+    ))
+}
+
+fn parse_git_commit(payload: &serde_json::Value) -> Option<(String, RichMessage)> {
+    let folder_name = payload
+        .get("folder_name")
+        .and_then(|v| v.as_str())
+        .unwrap_or("unknown");
+    let files = payload
+        .get("committed_files")
+        .and_then(|v| v.as_u64())
+        .unwrap_or(0) as u32;
+    Some((
+        "git_commit".to_string(),
+        message_formatter::format_git_commit(folder_name, files),
+    ))
+}

src-tauri/src/chat_channel/manager.rs

@@ -0,0 +1,255 @@
+use std::collections::HashMap;
+use std::sync::Arc;
+
+use sea_orm::DatabaseConnection;
+use tokio::sync::{mpsc, Mutex};
+
+use super::error::ChatChannelError;
+use super::traits::ChatChannelBackend;
+use super::types::*;
+use crate::web::event_bridge::WebEventBroadcaster;
+
+struct ActiveChannel {
+    id: i32,
+    name: String,
+    channel_type: ChannelType,
+    backend: Box<dyn ChatChannelBackend>,
+}
+
+/// Inner state shared across clones.
+struct Inner {
+    channels: Mutex<HashMap<i32, ActiveChannel>>,
+    command_tx: mpsc::Sender<IncomingCommand>,
+    command_rx: Mutex<Option<mpsc::Receiver<IncomingCommand>>>,
+}
+
+pub struct ChatChannelManager {
+    inner: Arc<Inner>,
+}
+
+impl ChatChannelManager {
+    pub fn new() -> Self {
+        let (command_tx, command_rx) = mpsc::channel(256);
+        Self {
+            inner: Arc::new(Inner {
+                channels: Mutex::new(HashMap::new()),
+                command_tx,
+                command_rx: Mutex::new(Some(command_rx)),
+            }),
+        }
+    }
+
+    /// Shallow clone sharing the same state (like ConnectionManager::clone_ref).
+    pub fn clone_ref(&self) -> Self {
+        Self {
+            inner: self.inner.clone(),
+        }
+    }
+
+    pub fn command_sender(&self) -> mpsc::Sender<IncomingCommand> {
+        self.inner.command_tx.clone()
+    }
+
+    /// Take the command receiver (can only be called once, at startup).
+    pub async fn take_command_receiver(&self) -> Option<mpsc::Receiver<IncomingCommand>> {
+        self.inner.command_rx.lock().await.take()
+    }
+
+    pub async fn add_channel(
+        &self,
+        id: i32,
+        name: String,
+        channel_type: ChannelType,
+        backend: Box<dyn ChatChannelBackend>,
+    ) -> Result<(), ChatChannelError> {
+        let command_tx = self.inner.command_tx.clone();
+        backend.start(command_tx).await?;
+
+        let channel = ActiveChannel {
+            id,
+            name,
+            channel_type,
+            backend,
+        };
+
+        self.inner.channels.lock().await.insert(id, channel);
+        Ok(())
+    }
+
+    pub async fn remove_channel(&self, id: i32) -> Result<(), ChatChannelError> {
+        let mut channels = self.inner.channels.lock().await;
+        if let Some(channel) = channels.remove(&id) {
+            channel.backend.stop().await?;
+        }
+        Ok(())
+    }
+
+    pub async fn stop_all(&self) {
+        let mut channels = self.inner.channels.lock().await;
+        for (_, channel) in channels.drain() {
+            let _ = channel.backend.stop().await;
+        }
+    }
+
+    pub async fn send_to_channel(
+        &self,
+        channel_id: i32,
+        message: &RichMessage,
+    ) -> Result<SentMessageId, ChatChannelError> {
+        let channels = self.inner.channels.lock().await;
+        let channel = channels
+            .get(&channel_id)
+            .ok_or(ChatChannelError::NotFound(channel_id))?;
+        channel.backend.send_rich_message(message).await
+    }
+
+    pub async fn send_to_all(&self, message: &RichMessage) {
+        let channels = self.inner.channels.lock().await;
+        for (_, channel) in channels.iter() {
+            let _ = channel.backend.send_rich_message(message).await;
+        }
+    }
+
+    pub async fn get_status(&self) -> Vec<crate::models::ChannelStatusInfo> {
+        let channels = self.inner.channels.lock().await;
+        let mut result = Vec::new();
+        for (_, ch) in channels.iter() {
+            let status = ch.backend.status().await;
+            result.push(crate::models::ChannelStatusInfo {
+                channel_id: ch.id,
+                name: ch.name.clone(),
+                channel_type: ch.channel_type.to_string(),
+                status: serde_json::to_value(status)
+                    .ok()
+                    .and_then(|v| v.as_str().map(String::from))
+                    .unwrap_or_else(|| "unknown".to_string()),
+            });
+        }
+        result
+    }
+
+    pub async fn test_channel(&self, id: i32) -> Result<(), ChatChannelError> {
+        let channels = self.inner.channels.lock().await;
+        let channel = channels
+            .get(&id)
+            .ok_or(ChatChannelError::NotFound(id))?;
+        channel.backend.test_connection().await
+    }
+
+    pub async fn is_connected(&self, id: i32) -> bool {
+        let channels = self.inner.channels.lock().await;
+        if let Some(ch) = channels.get(&id) {
+            ch.backend.status().await == ChannelConnectionStatus::Connected
+        } else {
+            false
+        }
+    }
+
+    /// Start background tasks (event subscriber + command dispatcher) and
+    /// auto-connect all enabled channels from DB.
+    pub async fn start_background(
+        &self,
+        broadcaster: Arc<WebEventBroadcaster>,
+        db_conn: DatabaseConnection,
+    ) {
+        let db_conn2 = db_conn.clone();
+
+        // Spawn event subscriber
+        let manager_for_events = self.clone_ref();
+        super::event_subscriber::spawn_event_subscriber(
+            broadcaster,
+            manager_for_events,
+            db_conn.clone(),
+        );
+
+        // Spawn command dispatcher
+        if let Some(command_rx) = self.take_command_receiver().await {
+            let manager_for_cmds = self.clone_ref();
+            super::command_dispatcher::spawn_command_dispatcher(
+                command_rx,
+                manager_for_cmds,
+                db_conn.clone(),
+            );
+        }
+
+        // Spawn daily report scheduler
+        let manager_for_scheduler = self.clone_ref();
+        super::scheduler::spawn_daily_report_scheduler(manager_for_scheduler, db_conn.clone());
+
+        // Auto-connect enabled channels
+        self.auto_connect_channels(&db_conn2).await;
+    }
+
+    async fn auto_connect_channels(&self, db_conn: &DatabaseConnection) {
+        let channels =
+            match crate::db::service::chat_channel_service::list_enabled(db_conn).await {
+                Ok(c) => c,
+                Err(e) => {
+                    eprintln!("[ChatChannel] failed to load enabled channels: {e}");
+                    return;
+                }
+            };
+
+        for ch in channels {
+            let channel_type: ChannelType = match serde_json::from_value(
+                serde_json::Value::String(ch.channel_type.clone()),
+            ) {
+                Ok(t) => t,
+                Err(_) => continue,
+            };
+
+            let config: serde_json::Value = match serde_json::from_str(&ch.config_json) {
+                Ok(v) => v,
+                Err(_) => continue,
+            };
+
+            let token = match crate::keyring_store::get_channel_token(ch.id) {
+                Some(t) => t,
+                None => continue,
+            };
+
+            let backend: Box<dyn ChatChannelBackend> = match channel_type {
+                ChannelType::Telegram => {
+                    let chat_id = config
+                        .get("chat_id")
+                        .and_then(|v| v.as_str())
+                        .unwrap_or("")
+                        .to_string();
+                    if chat_id.is_empty() {
+                        continue;
+                    }
+                    Box::new(super::backends::telegram::TelegramBackend::new(
+                        ch.id, token, chat_id,
+                    ))
+                }
+                ChannelType::Lark => {
+                    let app_id = config
+                        .get("app_id")
+                        .and_then(|v| v.as_str())
+                        .unwrap_or("")
+                        .to_string();
+                    let chat_id = config
+                        .get("chat_id")
+                        .and_then(|v| v.as_str())
+                        .unwrap_or("")
+                        .to_string();
+                    if app_id.is_empty() || chat_id.is_empty() {
+                        continue;
+                    }
+                    Box::new(super::backends::lark::LarkBackend::new(
+                        ch.id, app_id, token, chat_id,
+                    ))
+                }
+            };
+
+            if let Err(e) = self.add_channel(ch.id, ch.name.clone(), channel_type, backend).await {
+                eprintln!(
+                    "[ChatChannel] failed to auto-connect '{}' (id={}): {e}",
+                    ch.name, ch.id
+                );
+            } else {
+                eprintln!("[ChatChannel] auto-connected '{}' (id={})", ch.name, ch.id);
+            }
+        }
+    }
+}

src-tauri/src/chat_channel/message_formatter.rs

@@ -0,0 +1,86 @@
+use super::types::{MessageLevel, RichMessage};
+
+pub fn format_session_started(agent_type: &str, folder_name: &str) -> RichMessage {
+    RichMessage::info(format!("{agent_type} 在 {folder_name} 开始了新会话"))
+        .with_title("新会话")
+}
+
+pub fn format_turn_complete(agent_type: &str, stop_reason: &str) -> RichMessage {
+    let reason = match stop_reason {
+        "end_turn" => "正常结束",
+        "cancelled" => "已取消",
+        _ => stop_reason,
+    };
+    RichMessage::info(format!("{agent_type} 会话已完成"))
+        .with_title("会话完成")
+        .with_field("结束原因", reason)
+}
+
+pub fn format_agent_error(agent_type: &str, message: &str) -> RichMessage {
+    RichMessage {
+        title: Some("代理错误".to_string()),
+        body: format!("{agent_type} 发生错误"),
+        fields: vec![("错误信息".to_string(), message.to_string())],
+        level: MessageLevel::Error,
+    }
+}
+
+pub fn format_agent_disconnected(agent_type: &str) -> RichMessage {
+    RichMessage {
+        title: Some("代理断开".to_string()),
+        body: format!("{agent_type} 已断开连接"),
+        fields: Vec::new(),
+        level: MessageLevel::Warning,
+    }
+}
+
+pub fn format_git_push(folder_name: &str, branch: &str, commits: u32) -> RichMessage {
+    RichMessage::info(format!(
+        "Git Push 成功: {commits} 个提交推送到 {branch}"
+    ))
+    .with_title("Git Push")
+    .with_field("项目", folder_name)
+}
+
+pub fn format_git_commit(folder_name: &str, files: u32) -> RichMessage {
+    RichMessage::info(format!("Git Commit: {files} 个文件已提交"))
+        .with_title("Git Commit")
+        .with_field("项目", folder_name)
+}
+
+pub struct DailyReportData {
+    pub date: String,
+    pub conversations_by_agent: Vec<(String, u32)>,
+    pub total_conversations: u32,
+    pub projects_involved: Vec<String>,
+    pub key_activities: Vec<String>,
+}
+
+pub fn format_daily_report(report: &DailyReportData) -> RichMessage {
+    let mut body = format!("今日编码活动汇总 ({})", report.date);
+
+    body.push_str(&format!("\n\n会话总数: {}", report.total_conversations));
+
+    if !report.conversations_by_agent.is_empty() {
+        body.push_str("\n\n按代理分布:");
+        for (agent, count) in &report.conversations_by_agent {
+            body.push_str(&format!("\n  {} - {} 个会话", agent, count));
+        }
+    }
+
+    if !report.projects_involved.is_empty() {
+        body.push_str(&format!(
+            "\n\n涉及项目: {}",
+            report.projects_involved.join(", ")
+        ));
+    }
+
+    if !report.key_activities.is_empty() {
+        body.push_str("\n\n主要活动:");
+        for activity in &report.key_activities {
+            body.push_str(&format!("\n  • {}", activity));
+        }
+    }
+
+    RichMessage::info(body).with_title("每日编码报告")
+}

src-tauri/src/chat_channel/mod.rs

@@ -0,0 +1,10 @@
+pub mod backends;
+pub mod command_dispatcher;
+pub mod command_handlers;
+pub mod error;
+pub mod event_subscriber;
+pub mod manager;
+pub mod message_formatter;
+pub mod scheduler;
+pub mod traits;
+pub mod types;

src-tauri/src/chat_channel/scheduler.rs

@@ -0,0 +1,130 @@
+use std::collections::HashSet;
+
+use chrono::{Local, NaiveDate, Timelike, Utc};
+use sea_orm::{ColumnTrait, DatabaseConnection, EntityTrait, QueryFilter, QueryOrder};
+use tokio::task::JoinHandle;
+
+use super::manager::ChatChannelManager;
+use super::message_formatter::{self, DailyReportData};
+use crate::db::entities::conversation;
+use crate::db::service::{chat_channel_message_log_service, chat_channel_service};
+
+pub fn spawn_daily_report_scheduler(
+    manager: ChatChannelManager,
+    db_conn: DatabaseConnection,
+) -> JoinHandle<()> {
+    tokio::spawn(async move {
+        let mut sent_today: HashSet<(i32, NaiveDate)> = HashSet::new();
+
+        loop {
+            tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
+
+            let now = Local::now();
+            let today = now.date_naive();
+            let current_time = format!("{:02}:{:02}", now.hour(), now.minute());
+
+            // Clean up old entries from sent_today
+            sent_today.retain(|(_, date)| *date == today);
+
+            let channels = match chat_channel_service::list_enabled(&db_conn).await {
+                Ok(c) => c,
+                Err(e) => {
+                    eprintln!("[ChatChannel] scheduler: failed to list channels: {e}");
+                    continue;
+                }
+            };
+
+            for ch in &channels {
+                if !ch.daily_report_enabled {
+                    continue;
+                }
+
+                let report_time = ch
+                    .daily_report_time
+                    .as_deref()
+                    .unwrap_or("18:00");
+
+                if current_time != report_time {
+                    continue;
+                }
+
+                let key = (ch.id, today);
+                if sent_today.contains(&key) {
+                    continue;
+                }
+
+                // Generate and send report
+                let report = generate_daily_report(&db_conn).await;
+                let message = message_formatter::format_daily_report(&report);
+
+                let send_result = manager.send_to_channel(ch.id, &message).await;
+                let (status, error_detail) = match &send_result {
+                    Ok(_) => ("sent", None),
+                    Err(e) => ("failed", Some(e.to_string())),
+                };
+
+                let _ = chat_channel_message_log_service::create_log(
+                    &db_conn,
+                    ch.id,
+                    "outbound",
+                    "daily_report",
+                    &message.to_plain_text(),
+                    status,
+                    error_detail,
+                )
+                .await;
+
+                sent_today.insert(key);
+            }
+        }
+    })
+}
+
+async fn generate_daily_report(db: &DatabaseConnection) -> DailyReportData {
+    let now = Utc::now();
+    let today_start = now.date_naive().and_hms_opt(0, 0, 0).unwrap().and_utc();
+
+    let rows = conversation::Entity::find()
+        .filter(conversation::Column::DeletedAt.is_null())
+        .filter(conversation::Column::CreatedAt.gte(today_start))
+        .order_by_desc(conversation::Column::CreatedAt)
+        .all(db)
+        .await
+        .unwrap_or_default();
+
+    let mut by_agent: std::collections::HashMap<String, u32> =
+        std::collections::HashMap::new();
+    let mut folder_ids: HashSet<i32> = HashSet::new();
+    let mut activities: Vec<String> = Vec::new();
+
+    for conv in &rows {
+        *by_agent.entry(conv.agent_type.clone()).or_insert(0) += 1;
+        folder_ids.insert(conv.folder_id);
+        if let Some(title) = &conv.title {
+            if activities.len() < 10 {
+                activities.push(title.clone());
+            }
+        }
+    }
+
+    // Resolve folder names
+    let mut project_names: Vec<String> = Vec::new();
+    for fid in &folder_ids {
+        if let Ok(Some(folder)) = crate::db::entities::folder::Entity::find_by_id(*fid)
+            .one(db)
+            .await
+        {
+            project_names.push(folder.name);
+        }
+    }
+
+    let conversations_by_agent: Vec<(String, u32)> = by_agent.into_iter().collect();
+
+    DailyReportData {
+        date: now.format("%Y-%m-%d").to_string(),
+        total_conversations: rows.len() as u32,
+        conversations_by_agent,
+        projects_involved: project_names,
+        key_activities: activities,
+    }
+}

src-tauri/src/chat_channel/traits.rs

@@ -0,0 +1,53 @@
+use async_trait::async_trait;
+use tokio::sync::mpsc;
+
+use super::error::ChatChannelError;
+use super::types::*;
+
+#[async_trait]
+pub trait ChatChannelBackend: Send + Sync + 'static {
+    fn channel_type(&self) -> ChannelType;
+
+    /// Start the receiving loop. `command_tx` forwards incoming IM messages
+    /// to the central command dispatcher.
+    async fn start(
+        &self,
+        command_tx: mpsc::Sender<IncomingCommand>,
+    ) -> Result<(), ChatChannelError>;
+
+    /// Stop the backend connection gracefully.
+    async fn stop(&self) -> Result<(), ChatChannelError>;
+
+    /// Current connection status.
+    async fn status(&self) -> ChannelConnectionStatus;
+
+    /// Send a plain text message.
+    async fn send_message(&self, text: &str) -> Result<SentMessageId, ChatChannelError>;
+
+    /// Send a rich/structured message (Telegram Markdown / Lark Card).
+    async fn send_rich_message(
+        &self,
+        message: &RichMessage,
+    ) -> Result<SentMessageId, ChatChannelError>;
+
+    /// [Phase 2] Send an interactive message with action buttons.
+    /// Default implementation degrades to send_rich_message.
+    async fn send_interactive_message(
+        &self,
+        message: &InteractiveMessage,
+    ) -> Result<SentMessageId, ChatChannelError> {
+        self.send_rich_message(&message.to_rich_fallback()).await
+    }
+
+    /// [Phase 2] Update an already-sent message (e.g., permission status change).
+    async fn update_message(
+        &self,
+        _message_id: &SentMessageId,
+        _message: &RichMessage,
+    ) -> Result<(), ChatChannelError> {
+        Ok(())
+    }
+
+    /// Test the connection (used by "Test Connection" button in UI).
+    async fn test_connection(&self) -> Result<(), ChatChannelError>;
+}

src-tauri/src/chat_channel/types.rs

@@ -0,0 +1,125 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum ChannelType {
+    Lark,
+    Telegram,
+}
+
+impl std::fmt::Display for ChannelType {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ChannelType::Lark => write!(f, "lark"),
+            ChannelType::Telegram => write!(f, "telegram"),
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum ChannelConnectionStatus {
+    Connected,
+    Connecting,
+    Disconnected,
+    Error,
+}
+
+#[derive(Debug, Clone)]
+pub struct SentMessageId(pub String);
+
+pub struct IncomingCommand {
+    pub channel_id: i32,
+    pub sender_id: String,
+    pub command_text: String,
+    pub metadata: serde_json::Value,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum MessageLevel {
+    Info,
+    Warning,
+    Error,
+}
+
+#[derive(Debug, Clone)]
+pub struct RichMessage {
+    pub title: Option<String>,
+    pub body: String,
+    pub fields: Vec<(String, String)>,
+    pub level: MessageLevel,
+}
+
+impl RichMessage {
+    pub fn info(body: impl Into<String>) -> Self {
+        Self {
+            title: None,
+            body: body.into(),
+            fields: Vec::new(),
+            level: MessageLevel::Info,
+        }
+    }
+
+    pub fn with_title(mut self, title: impl Into<String>) -> Self {
+        self.title = Some(title.into());
+        self
+    }
+
+    pub fn with_field(mut self, key: impl Into<String>, value: impl Into<String>) -> Self {
+        self.fields.push((key.into(), value.into()));
+        self
+    }
+
+    pub fn to_plain_text(&self) -> String {
+        let mut text = String::new();
+        if let Some(title) = &self.title {
+            text.push_str(title);
+            text.push('\n');
+        }
+        text.push_str(&self.body);
+        for (key, value) in &self.fields {
+            text.push_str(&format!("\n{}: {}", key, value));
+        }
+        text
+    }
+}
+
+// ── Phase 2 forward-compatible types ──
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum ButtonStyle {
+    Primary,
+    Danger,
+    Default,
+}
+
+#[derive(Debug, Clone)]
+pub struct MessageButton {
+    pub id: String,
+    pub label: String,
+    pub style: ButtonStyle,
+}
+
+#[derive(Debug, Clone)]
+pub struct InteractiveMessage {
+    pub base: RichMessage,
+    pub buttons: Vec<MessageButton>,
+    pub callback_context: serde_json::Value,
+}
+
+impl InteractiveMessage {
+    pub fn to_rich_fallback(&self) -> RichMessage {
+        let mut msg = self.base.clone();
+        if !self.buttons.is_empty() {
+            let button_text: Vec<String> = self
+                .buttons
+                .iter()
+                .map(|b| format!("[{}]", b.label))
+                .collect();
+            msg.body.push_str(&format!("\n\n{}", button_text.join("  ")));
+        }
+        msg
+    }
+}

src-tauri/src/commands/chat_channel.rs

@@ -0,0 +1,380 @@
+use crate::app_error::AppCommandError;
+use crate::chat_channel::backends::lark::LarkBackend;
+use crate::chat_channel::backends::telegram::TelegramBackend;
+use crate::chat_channel::manager::ChatChannelManager;
+use crate::chat_channel::traits::ChatChannelBackend;
+use crate::chat_channel::types::ChannelType;
+use crate::db::service::{chat_channel_message_log_service, chat_channel_service};
+use crate::db::AppDatabase;
+use crate::models::chat_channel::{ChannelStatusInfo, ChatChannelInfo, ChatChannelMessageLogInfo};
+
+// ---------------------------------------------------------------------------
+// Shared core functions (used by both Tauri commands and web handlers)
+// ---------------------------------------------------------------------------
+
+pub async fn list_chat_channels_core(
+    db: &AppDatabase,
+) -> Result<Vec<ChatChannelInfo>, AppCommandError> {
+    let rows = chat_channel_service::list_all(&db.conn)
+        .await
+        .map_err(AppCommandError::from)?;
+    Ok(rows.into_iter().map(ChatChannelInfo::from).collect())
+}
+
+pub async fn create_chat_channel_core(
+    db: &AppDatabase,
+    name: String,
+    channel_type: String,
+    config_json: String,
+    enabled: bool,
+    daily_report_enabled: bool,
+    daily_report_time: Option<String>,
+) -> Result<ChatChannelInfo, AppCommandError> {
+    // Validate channel_type
+    let _: ChannelType = serde_json::from_value(serde_json::Value::String(channel_type.clone()))
+        .map_err(|_| {
+            AppCommandError::invalid_input(format!("Invalid channel type: {channel_type}"))
+        })?;
+
+    let model = chat_channel_service::create(
+        &db.conn,
+        name,
+        channel_type,
+        config_json,
+        enabled,
+        daily_report_enabled,
+        daily_report_time,
+    )
+    .await
+    .map_err(AppCommandError::from)?;
+    Ok(ChatChannelInfo::from(model))
+}
+
+pub async fn update_chat_channel_core(
+    db: &AppDatabase,
+    id: i32,
+    name: Option<String>,
+    enabled: Option<bool>,
+    config_json: Option<String>,
+    event_filter_json: Option<Option<String>>,
+    daily_report_enabled: Option<bool>,
+    daily_report_time: Option<Option<String>>,
+) -> Result<ChatChannelInfo, AppCommandError> {
+    let model = chat_channel_service::update(
+        &db.conn,
+        id,
+        name,
+        enabled,
+        config_json,
+        event_filter_json,
+        daily_report_enabled,
+        daily_report_time,
+    )
+    .await
+    .map_err(AppCommandError::from)?;
+    Ok(ChatChannelInfo::from(model))
+}
+
+pub async fn delete_chat_channel_core(db: &AppDatabase, id: i32) -> Result<(), AppCommandError> {
+    chat_channel_service::delete(&db.conn, id)
+        .await
+        .map_err(AppCommandError::from)?;
+    let _ = crate::keyring_store::delete_channel_token(id);
+    Ok(())
+}
+
+pub async fn connect_chat_channel_core(
+    db: &AppDatabase,
+    manager: &ChatChannelManager,
+    id: i32,
+) -> Result<(), AppCommandError> {
+    let model = chat_channel_service::get_by_id(&db.conn, id)
+        .await
+        .map_err(AppCommandError::from)?
+        .ok_or_else(|| AppCommandError::not_found(format!("Chat channel {id} not found")))?;
+
+    let channel_type: ChannelType =
+        serde_json::from_value(serde_json::Value::String(model.channel_type.clone()))
+            .map_err(|_| {
+                AppCommandError::configuration_invalid(format!(
+                    "Invalid channel type: {}",
+                    model.channel_type
+                ))
+            })?;
+
+    let backend: Box<dyn crate::chat_channel::traits::ChatChannelBackend> = match channel_type {
+        ChannelType::Telegram => {
+            let config: serde_json::Value =
+                serde_json::from_str(&model.config_json).map_err(|e| {
+                    AppCommandError::configuration_invalid("Invalid config JSON")
+                        .with_detail(e.to_string())
+                })?;
+            let chat_id = config
+                .get("chat_id")
+                .and_then(|v| v.as_str())
+                .ok_or_else(|| AppCommandError::configuration_missing("chat_id is required"))?
+                .to_string();
+            let bot_token = crate::keyring_store::get_channel_token(id).ok_or_else(|| {
+                AppCommandError::configuration_missing("Bot token not set")
+            })?;
+            Box::new(TelegramBackend::new(id, bot_token, chat_id))
+        }
+        ChannelType::Lark => {
+            let config: serde_json::Value =
+                serde_json::from_str(&model.config_json).map_err(|e| {
+                    AppCommandError::configuration_invalid("Invalid config JSON")
+                        .with_detail(e.to_string())
+                })?;
+            let app_id = config
+                .get("app_id")
+                .and_then(|v| v.as_str())
+                .ok_or_else(|| AppCommandError::configuration_missing("app_id is required"))?
+                .to_string();
+            let chat_id = config
+                .get("chat_id")
+                .and_then(|v| v.as_str())
+                .ok_or_else(|| AppCommandError::configuration_missing("chat_id is required"))?
+                .to_string();
+            let app_secret = crate::keyring_store::get_channel_token(id).ok_or_else(|| {
+                AppCommandError::configuration_missing("App Secret not set")
+            })?;
+            Box::new(LarkBackend::new(id, app_id, app_secret, chat_id))
+        }
+    };
+
+    manager
+        .add_channel(id, model.name, channel_type, backend)
+        .await
+        .map_err(AppCommandError::from)?;
+
+    Ok(())
+}
+
+pub async fn test_chat_channel_core(
+    db: &AppDatabase,
+    id: i32,
+) -> Result<(), AppCommandError> {
+    let model = chat_channel_service::get_by_id(&db.conn, id)
+        .await
+        .map_err(AppCommandError::from)?
+        .ok_or_else(|| AppCommandError::not_found(format!("Chat channel {id} not found")))?;
+
+    let channel_type: ChannelType =
+        serde_json::from_value(serde_json::Value::String(model.channel_type.clone()))
+            .map_err(|_| {
+                AppCommandError::configuration_invalid(format!(
+                    "Invalid channel type: {}",
+                    model.channel_type
+                ))
+            })?;
+
+    match channel_type {
+        ChannelType::Telegram => {
+            let config: serde_json::Value =
+                serde_json::from_str(&model.config_json).map_err(|e| {
+                    AppCommandError::configuration_invalid("Invalid config JSON")
+                        .with_detail(e.to_string())
+                })?;
+            let chat_id = config
+                .get("chat_id")
+                .and_then(|v| v.as_str())
+                .ok_or_else(|| AppCommandError::configuration_missing("chat_id is required"))?
+                .to_string();
+            let bot_token = crate::keyring_store::get_channel_token(id).ok_or_else(|| {
+                AppCommandError::configuration_missing("Bot token not set")
+            })?;
+            let backend = TelegramBackend::new(id, bot_token, chat_id);
+            backend
+                .test_connection()
+                .await
+                .map_err(AppCommandError::from)?;
+        }
+        ChannelType::Lark => {
+            let config: serde_json::Value =
+                serde_json::from_str(&model.config_json).map_err(|e| {
+                    AppCommandError::configuration_invalid("Invalid config JSON")
+                        .with_detail(e.to_string())
+                })?;
+            let app_id = config
+                .get("app_id")
+                .and_then(|v| v.as_str())
+                .ok_or_else(|| AppCommandError::configuration_missing("app_id is required"))?
+                .to_string();
+            let chat_id = config
+                .get("chat_id")
+                .and_then(|v| v.as_str())
+                .ok_or_else(|| AppCommandError::configuration_missing("chat_id is required"))?
+                .to_string();
+            let app_secret = crate::keyring_store::get_channel_token(id).ok_or_else(|| {
+                AppCommandError::configuration_missing("App Secret not set")
+            })?;
+            let backend = LarkBackend::new(id, app_id, app_secret, chat_id);
+            backend
+                .test_connection()
+                .await
+                .map_err(AppCommandError::from)?;
+        }
+    }
+
+    Ok(())
+}
+
+pub fn save_chat_channel_token_core(channel_id: i32, token: &str) -> Result<(), AppCommandError> {
+    crate::keyring_store::set_channel_token(channel_id, token)
+        .map_err(|e| AppCommandError::io_error("Failed to save token").with_detail(e))
+}
+
+pub fn get_chat_channel_has_token_core(channel_id: i32) -> Result<bool, AppCommandError> {
+    Ok(crate::keyring_store::get_channel_token(channel_id).is_some())
+}
+
+pub fn delete_chat_channel_token_core(channel_id: i32) -> Result<(), AppCommandError> {
+    crate::keyring_store::delete_channel_token(channel_id)
+        .map_err(|e| AppCommandError::io_error("Failed to delete token").with_detail(e))
+}
+
+pub async fn disconnect_chat_channel_core(
+    manager: &ChatChannelManager,
+    id: i32,
+) -> Result<(), AppCommandError> {
+    manager
+        .remove_channel(id)
+        .await
+        .map_err(AppCommandError::from)?;
+    Ok(())
+}
+
+pub async fn get_chat_channel_status_core(
+    manager: &ChatChannelManager,
+) -> Result<Vec<ChannelStatusInfo>, AppCommandError> {
+    Ok(manager.get_status().await)
+}
+
+pub async fn list_chat_channel_messages_core(
+    db: &AppDatabase,
+    channel_id: i32,
+    limit: Option<u64>,
+    offset: Option<u64>,
+) -> Result<Vec<ChatChannelMessageLogInfo>, AppCommandError> {
+    let limit = limit.unwrap_or(50);
+    let offset = offset.unwrap_or(0);
+    let rows = chat_channel_message_log_service::list_by_channel(&db.conn, channel_id, limit, offset)
+        .await
+        .map_err(AppCommandError::from)?;
+    Ok(rows.into_iter().map(ChatChannelMessageLogInfo::from).collect())
+}
+
+// ---------------------------------------------------------------------------
+// Tauri commands (use tauri::State for injection)
+// ---------------------------------------------------------------------------
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn list_chat_channels(
+    db: tauri::State<'_, AppDatabase>,
+) -> Result<Vec<ChatChannelInfo>, AppCommandError> {
+    list_chat_channels_core(&db).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn create_chat_channel(
+    db: tauri::State<'_, AppDatabase>,
+    name: String,
+    channel_type: String,
+    config_json: String,
+    enabled: bool,
+    daily_report_enabled: bool,
+    daily_report_time: Option<String>,
+) -> Result<ChatChannelInfo, AppCommandError> {
+    create_chat_channel_core(&db, name, channel_type, config_json, enabled, daily_report_enabled, daily_report_time).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn update_chat_channel(
+    db: tauri::State<'_, AppDatabase>,
+    id: i32,
+    name: Option<String>,
+    enabled: Option<bool>,
+    config_json: Option<String>,
+    event_filter_json: Option<Option<String>>,
+    daily_report_enabled: Option<bool>,
+    daily_report_time: Option<Option<String>>,
+) -> Result<ChatChannelInfo, AppCommandError> {
+    update_chat_channel_core(&db, id, name, enabled, config_json, event_filter_json, daily_report_enabled, daily_report_time).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn delete_chat_channel(
+    db: tauri::State<'_, AppDatabase>,
+    id: i32,
+) -> Result<(), AppCommandError> {
+    delete_chat_channel_core(&db, id).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn save_chat_channel_token(channel_id: i32, token: String) -> Result<(), AppCommandError> {
+    save_chat_channel_token_core(channel_id, &token)
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn get_chat_channel_has_token(channel_id: i32) -> Result<bool, AppCommandError> {
+    get_chat_channel_has_token_core(channel_id)
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn delete_chat_channel_token(channel_id: i32) -> Result<(), AppCommandError> {
+    delete_chat_channel_token_core(channel_id)
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn connect_chat_channel(
+    db: tauri::State<'_, AppDatabase>,
+    manager: tauri::State<'_, ChatChannelManager>,
+    id: i32,
+) -> Result<(), AppCommandError> {
+    connect_chat_channel_core(&db, &manager, id).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn disconnect_chat_channel(
+    manager: tauri::State<'_, ChatChannelManager>,
+    id: i32,
+) -> Result<(), AppCommandError> {
+    disconnect_chat_channel_core(&manager, id).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn test_chat_channel(
+    db: tauri::State<'_, AppDatabase>,
+    id: i32,
+) -> Result<(), AppCommandError> {
+    test_chat_channel_core(&db, id).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn get_chat_channel_status(
+    manager: tauri::State<'_, ChatChannelManager>,
+) -> Result<Vec<ChannelStatusInfo>, AppCommandError> {
+    get_chat_channel_status_core(&manager).await
+}
+
+#[cfg(feature = "tauri-runtime")]
+#[tauri::command]
+pub async fn list_chat_channel_messages(
+    db: tauri::State<'_, AppDatabase>,
+    channel_id: i32,
+    limit: Option<u64>,
+    offset: Option<u64>,
+) -> Result<Vec<ChatChannelMessageLogInfo>, AppCommandError> {
+    list_chat_channel_messages_core(&db, channel_id, limit, offset).await
+}

src-tauri/src/commands/mod.rs

@@ -1,4 +1,5 @@
 pub mod acp;
+pub mod chat_channel;
 pub mod conversations;
 pub mod folder_commands;
 pub mod folders;

src-tauri/src/db/entities/chat_channel.rs

@@ -0,0 +1,31 @@
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
+#[sea_orm(table_name = "chat_channel")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i32,
+    pub name: String,
+    pub channel_type: String,
+    pub enabled: bool,
+    pub config_json: String,
+    pub event_filter_json: Option<String>,
+    pub daily_report_enabled: bool,
+    pub daily_report_time: Option<String>,
+    pub created_at: DateTimeUtc,
+    pub updated_at: DateTimeUtc,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(has_many = "super::chat_channel_message_log::Entity")]
+    MessageLogs,
+}
+
+impl Related<super::chat_channel_message_log::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::MessageLogs.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

src-tauri/src/db/entities/chat_channel_message_log.rs

@@ -0,0 +1,33 @@
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
+#[sea_orm(table_name = "chat_channel_message_log")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i32,
+    pub channel_id: i32,
+    pub direction: String,
+    pub message_type: String,
+    pub content_preview: String,
+    pub status: String,
+    pub error_detail: Option<String>,
+    pub created_at: DateTimeUtc,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::chat_channel::Entity",
+        from = "Column::ChannelId",
+        to = "super::chat_channel::Column::Id"
+    )]
+    ChatChannel,
+}
+
+impl Related<super::chat_channel::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::ChatChannel.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

src-tauri/src/db/entities/mod.rs

@@ -1,5 +1,7 @@
 pub mod agent_setting;
 pub mod app_metadata;
+pub mod chat_channel;
+pub mod chat_channel_message_log;
 pub mod conversation;
 pub mod folder;
 pub mod folder_command;

src-tauri/src/db/entities/prelude.rs

@@ -2,6 +2,8 @@
 
 pub use super::agent_setting::Entity as AgentSetting;
 pub use super::app_metadata::Entity as AppMetadata;
+pub use super::chat_channel::Entity as ChatChannel;
+pub use super::chat_channel_message_log::Entity as ChatChannelMessageLog;
 pub use super::conversation::Entity as Conversation;
 pub use super::folder::Entity as Folder;
 pub use super::folder_command::Entity as FolderCommand;

src-tauri/src/db/migration/m20260330_000001_chat_channel.rs

@@ -0,0 +1,179 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        // ─── chat_channel ───
+        manager
+            .create_table(
+                Table::create()
+                    .table(ChatChannel::Table)
+                    .if_not_exists()
+                    .col(
+                        ColumnDef::new(ChatChannel::Id)
+                            .integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(ChatChannel::Name).string().not_null())
+                    .col(
+                        ColumnDef::new(ChatChannel::ChannelType)
+                            .string()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannel::Enabled)
+                            .boolean()
+                            .not_null()
+                            .default(true),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannel::ConfigJson)
+                            .text()
+                            .not_null(),
+                    )
+                    .col(ColumnDef::new(ChatChannel::EventFilterJson).text().null())
+                    .col(
+                        ColumnDef::new(ChatChannel::DailyReportEnabled)
+                            .boolean()
+                            .not_null()
+                            .default(false),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannel::DailyReportTime)
+                            .string()
+                            .null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannel::CreatedAt)
+                            .timestamp_with_time_zone()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannel::UpdatedAt)
+                            .timestamp_with_time_zone()
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        // ─── chat_channel_message_log ───
+        manager
+            .create_table(
+                Table::create()
+                    .table(ChatChannelMessageLog::Table)
+                    .if_not_exists()
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::Id)
+                            .integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::ChannelId)
+                            .integer()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::Direction)
+                            .string()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::MessageType)
+                            .string()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::ContentPreview)
+                            .text()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::Status)
+                            .string()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::ErrorDetail)
+                            .text()
+                            .null(),
+                    )
+                    .col(
+                        ColumnDef::new(ChatChannelMessageLog::CreatedAt)
+                            .timestamp_with_time_zone()
+                            .not_null(),
+                    )
+                    .foreign_key(
+                        ForeignKey::create()
+                            .name("fk_ccml_channel_id")
+                            .from(
+                                ChatChannelMessageLog::Table,
+                                ChatChannelMessageLog::ChannelId,
+                            )
+                            .to(ChatChannel::Table, ChatChannel::Id)
+                            .on_delete(ForeignKeyAction::Cascade),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_ccml_channel_created")
+                    .table(ChatChannelMessageLog::Table)
+                    .col(ChatChannelMessageLog::ChannelId)
+                    .col(ChatChannelMessageLog::CreatedAt)
+                    .to_owned(),
+            )
+            .await
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(
+                Table::drop()
+                    .table(ChatChannelMessageLog::Table)
+                    .to_owned(),
+            )
+            .await?;
+        manager
+            .drop_table(Table::drop().table(ChatChannel::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(DeriveIden)]
+enum ChatChannel {
+    Table,
+    Id,
+    Name,
+    ChannelType,
+    Enabled,
+    ConfigJson,
+    EventFilterJson,
+    DailyReportEnabled,
+    DailyReportTime,
+    CreatedAt,
+    UpdatedAt,
+}
+
+#[derive(DeriveIden)]
+enum ChatChannelMessageLog {
+    Table,
+    Id,
+    ChannelId,
+    Direction,
+    MessageType,
+    ContentPreview,
+    Status,
+    ErrorDetail,
+    CreatedAt,
+}

src-tauri/src/db/migration/mod.rs

@@ -5,6 +5,7 @@ mod m20260219_000001_folder_command;
 mod m20260221_000001_folder_is_open;
 mod m20260226_000001_agent_setting;
 mod m20260227_000001_folder_parent_branch;
+mod m20260330_000001_chat_channel;
 pub struct Migrator;
 
 #[async_trait::async_trait]
@@ -16,6 +17,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20260221_000001_folder_is_open::Migration),
             Box::new(m20260226_000001_agent_setting::Migration),
             Box::new(m20260227_000001_folder_parent_branch::Migration),
+            Box::new(m20260330_000001_chat_channel::Migration),
         ]
     }
 }

src-tauri/src/db/service/chat_channel_message_log_service.rs

@@ -0,0 +1,70 @@
+use chrono::Utc;
+use sea_orm::prelude::DateTimeUtc;
+use sea_orm::{
+    ActiveModelTrait, ActiveValue::NotSet, ColumnTrait, DatabaseConnection, EntityTrait,
+    QueryFilter, QueryOrder, Set,
+};
+
+use crate::db::entities::chat_channel_message_log;
+use crate::db::error::DbError;
+
+pub async fn create_log(
+    conn: &DatabaseConnection,
+    channel_id: i32,
+    direction: &str,
+    message_type: &str,
+    content_preview: &str,
+    status: &str,
+    error_detail: Option<String>,
+) -> Result<(), DbError> {
+    let active = chat_channel_message_log::ActiveModel {
+        id: NotSet,
+        channel_id: Set(channel_id),
+        direction: Set(direction.to_string()),
+        message_type: Set(message_type.to_string()),
+        content_preview: Set(truncate_preview(content_preview)),
+        status: Set(status.to_string()),
+        error_detail: Set(error_detail),
+        created_at: Set(Utc::now()),
+    };
+    active.insert(conn).await?;
+    Ok(())
+}
+
+pub async fn list_by_channel(
+    conn: &DatabaseConnection,
+    channel_id: i32,
+    limit: u64,
+    offset: u64,
+) -> Result<Vec<chat_channel_message_log::Model>, DbError> {
+    use sea_orm::PaginatorTrait;
+    Ok(chat_channel_message_log::Entity::find()
+        .filter(chat_channel_message_log::Column::ChannelId.eq(channel_id))
+        .order_by_desc(chat_channel_message_log::Column::CreatedAt)
+        .paginate(conn, limit)
+        .fetch_page(offset / limit)
+        .await?)
+}
+
+pub async fn cleanup_old_logs(
+    conn: &DatabaseConnection,
+    older_than: DateTimeUtc,
+) -> Result<u64, DbError> {
+    let result = chat_channel_message_log::Entity::delete_many()
+        .filter(chat_channel_message_log::Column::CreatedAt.lt(older_than))
+        .exec(conn)
+        .await?;
+    Ok(result.rows_affected)
+}
+
+fn truncate_preview(s: &str) -> String {
+    if s.len() <= 200 {
+        s.to_string()
+    } else {
+        let mut end = 200;
+        while !s.is_char_boundary(end) && end > 0 {
+            end -= 1;
+        }
+        format!("{}...", &s[..end])
+    }
+}

src-tauri/src/db/service/chat_channel_service.rs

@@ -0,0 +1,98 @@
+use chrono::Utc;
+use sea_orm::{
+    ActiveModelTrait, ActiveValue::NotSet, ColumnTrait, DatabaseConnection, EntityTrait,
+    IntoActiveModel, QueryFilter, QueryOrder, Set,
+};
+
+use crate::db::entities::chat_channel;
+use crate::db::error::DbError;
+
+pub async fn create(
+    conn: &DatabaseConnection,
+    name: String,
+    channel_type: String,
+    config_json: String,
+    enabled: bool,
+    daily_report_enabled: bool,
+    daily_report_time: Option<String>,
+) -> Result<chat_channel::Model, DbError> {
+    let now = Utc::now();
+    let active = chat_channel::ActiveModel {
+        id: NotSet,
+        name: Set(name),
+        channel_type: Set(channel_type),
+        enabled: Set(enabled),
+        config_json: Set(config_json),
+        event_filter_json: Set(None),
+        daily_report_enabled: Set(daily_report_enabled),
+        daily_report_time: Set(daily_report_time),
+        created_at: Set(now),
+        updated_at: Set(now),
+    };
+    Ok(active.insert(conn).await?)
+}
+
+pub async fn update(
+    conn: &DatabaseConnection,
+    id: i32,
+    name: Option<String>,
+    enabled: Option<bool>,
+    config_json: Option<String>,
+    event_filter_json: Option<Option<String>>,
+    daily_report_enabled: Option<bool>,
+    daily_report_time: Option<Option<String>>,
+) -> Result<chat_channel::Model, DbError> {
+    let model = chat_channel::Entity::find_by_id(id)
+        .one(conn)
+        .await?
+        .ok_or_else(|| DbError::Migration(format!("chat channel not found: {id}")))?;
+
+    let mut active = model.into_active_model();
+    if let Some(v) = name {
+        active.name = Set(v);
+    }
+    if let Some(v) = enabled {
+        active.enabled = Set(v);
+    }
+    if let Some(v) = config_json {
+        active.config_json = Set(v);
+    }
+    if let Some(v) = event_filter_json {
+        active.event_filter_json = Set(v);
+    }
+    if let Some(v) = daily_report_enabled {
+        active.daily_report_enabled = Set(v);
+    }
+    if let Some(v) = daily_report_time {
+        active.daily_report_time = Set(v);
+    }
+    active.updated_at = Set(Utc::now());
+    Ok(active.update(conn).await?)
+}
+
+pub async fn delete(conn: &DatabaseConnection, id: i32) -> Result<(), DbError> {
+    chat_channel::Entity::delete_by_id(id).exec(conn).await?;
+    Ok(())
+}
+
+pub async fn get_by_id(
+    conn: &DatabaseConnection,
+    id: i32,
+) -> Result<Option<chat_channel::Model>, DbError> {
+    Ok(chat_channel::Entity::find_by_id(id).one(conn).await?)
+}
+
+pub async fn list_all(conn: &DatabaseConnection) -> Result<Vec<chat_channel::Model>, DbError> {
+    Ok(chat_channel::Entity::find()
+        .order_by_asc(chat_channel::Column::Id)
+        .all(conn)
+        .await?)
+}
+
+pub async fn list_enabled(conn: &DatabaseConnection) -> Result<Vec<chat_channel::Model>, DbError> {
+    Ok(chat_channel::Entity::find()
+        .filter(chat_channel::Column::Enabled.eq(true))
+        .order_by_asc(chat_channel::Column::Id)
+        .all(conn)
+        .await?)
+}

src-tauri/src/db/service/mod.rs

@@ -1,5 +1,7 @@
 pub mod agent_setting_service;
 pub mod app_metadata_service;
+pub mod chat_channel_message_log_service;
+pub mod chat_channel_service;
 pub mod conversation_service;
 pub mod folder_command_service;
 pub mod folder_service;

src-tauri/src/keyring_store.rs

@@ -5,6 +5,10 @@ fn token_key(account_id: &str) -> String {
     format!("github-token:{}", account_id)
 }
 
+fn channel_token_key(channel_id: i32) -> String {
+    format!("chat-channel:{}", channel_id)
+}
+
 // ── Tauri mode: OS keyring ──
 
 #[cfg(feature = "tauri-runtime")]
@@ -87,3 +91,51 @@ pub fn delete_token(account_id: &str) -> Result<(), String> {
     tokens.remove(&token_key(account_id));
     write_tokens(&tokens)
 }
+
+// ── Chat channel token helpers ──
+// Reuse the same storage mechanism (keyring or file) with a different key prefix.
+
+#[cfg(feature = "tauri-runtime")]
+pub fn set_channel_token(channel_id: i32, token: &str) -> Result<(), String> {
+    let entry = keyring::Entry::new(SERVICE_NAME, &channel_token_key(channel_id))
+        .map_err(|e| format!("keyring init error: {e}"))?;
+    entry
+        .set_password(token)
+        .map_err(|e| format!("keyring set error: {e}"))
+}
+
+#[cfg(feature = "tauri-runtime")]
+pub fn get_channel_token(channel_id: i32) -> Option<String> {
+    let entry = keyring::Entry::new(SERVICE_NAME, &channel_token_key(channel_id)).ok()?;
+    entry.get_password().ok()
+}
+
+#[cfg(feature = "tauri-runtime")]
+pub fn delete_channel_token(channel_id: i32) -> Result<(), String> {
+    let entry = keyring::Entry::new(SERVICE_NAME, &channel_token_key(channel_id))
+        .map_err(|e| format!("keyring init error: {e}"))?;
+    match entry.delete_credential() {
+        Ok(()) => Ok(()),
+        Err(keyring::Error::NoEntry) => Ok(()),
+        Err(e) => Err(format!("keyring delete error: {e}")),
+    }
+}
+
+#[cfg(not(feature = "tauri-runtime"))]
+pub fn set_channel_token(channel_id: i32, token: &str) -> Result<(), String> {
+    let mut tokens = read_tokens();
+    tokens.insert(channel_token_key(channel_id), token.to_string());
+    write_tokens(&tokens)
+}
+
+#[cfg(not(feature = "tauri-runtime"))]
+pub fn get_channel_token(channel_id: i32) -> Option<String> {
+    read_tokens().get(&channel_token_key(channel_id)).cloned()
+}
+
+#[cfg(not(feature = "tauri-runtime"))]
+pub fn delete_channel_token(channel_id: i32) -> Result<(), String> {
+    let mut tokens = read_tokens();
+    tokens.remove(&channel_token_key(channel_id));
+    write_tokens(&tokens)
+}

src-tauri/src/lib.rs

@@ -1,6 +1,7 @@
 mod acp;
 mod app_error;
 pub mod app_state;
+pub mod chat_channel;
 mod commands;
 pub mod db;
 pub mod git_credential;
@@ -17,10 +18,11 @@ mod tauri_app {
     use std::sync::atomic::{AtomicBool, Ordering};
 
     use crate::acp::manager::ConnectionManager;
+    use crate::chat_channel::manager::ChatChannelManager;
     use crate::commands::{
-        acp as acp_commands, conversations, folder_commands, folders, mcp as mcp_commands,
-        notification, project_boot, system_settings, terminal as terminal_commands, version_control,
-        windows,
+        acp as acp_commands, chat_channel as chat_channel_commands, conversations, folder_commands,
+        folders, mcp as mcp_commands, notification, project_boot, system_settings,
+        terminal as terminal_commands, version_control, windows,
     };
     use crate::terminal::manager::TerminalManager;
     use crate::{db, network, process, web};
@@ -52,6 +54,7 @@ mod tauri_app {
             .plugin(tauri_plugin_notification::init())
             .manage(ConnectionManager::new())
             .manage(TerminalManager::new())
+            .manage(ChatChannelManager::new())
             .manage(windows::SettingsWindowState::new())
             .manage(windows::CommitWindowState::new())
             .manage(windows::MergeWindowState::new())
@@ -78,6 +81,19 @@ mod tauri_app {
                     }
                 }
 
+                // Start chat channel background tasks
+                {
+                    let ccm = app.state::<ChatChannelManager>();
+                    let broadcaster = app
+                        .state::<std::sync::Arc<web::event_bridge::WebEventBroadcaster>>();
+                    let db_conn = app.state::<db::AppDatabase>().conn.clone();
+                    let ccm_ref = ccm.clone_ref();
+                    let br = broadcaster.inner().clone();
+                    tauri::async_runtime::spawn(async move {
+                        ccm_ref.start_background(br, db_conn).await;
+                    });
+                }
+
                 // Restore previously open folders or show welcome
                 let db = app.state::<db::AppDatabase>();
                 let open_folders = tauri::async_runtime::block_on(
@@ -351,6 +367,18 @@ mod tauri_app {
                 mcp_commands::mcp_set_server_apps,
                 mcp_commands::mcp_remove_server,
                 notification::send_notification,
+                chat_channel_commands::list_chat_channels,
+                chat_channel_commands::create_chat_channel,
+                chat_channel_commands::update_chat_channel,
+                chat_channel_commands::delete_chat_channel,
+                chat_channel_commands::save_chat_channel_token,
+                chat_channel_commands::get_chat_channel_has_token,
+                chat_channel_commands::delete_chat_channel_token,
+                chat_channel_commands::connect_chat_channel,
+                chat_channel_commands::disconnect_chat_channel,
+                chat_channel_commands::test_chat_channel,
+                chat_channel_commands::get_chat_channel_status,
+                chat_channel_commands::list_chat_channel_messages,
                 web::start_web_server,
                 web::stop_web_server,
                 web::get_web_server_status,

src-tauri/src/models/chat_channel.rs

@@ -0,0 +1,67 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ChatChannelInfo {
+    pub id: i32,
+    pub name: String,
+    pub channel_type: String,
+    pub enabled: bool,
+    pub config_json: String,
+    pub event_filter_json: Option<String>,
+    pub daily_report_enabled: bool,
+    pub daily_report_time: Option<String>,
+    pub created_at: String,
+    pub updated_at: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ChannelStatusInfo {
+    pub channel_id: i32,
+    pub name: String,
+    pub channel_type: String,
+    pub status: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ChatChannelMessageLogInfo {
+    pub id: i32,
+    pub channel_id: i32,
+    pub direction: String,
+    pub message_type: String,
+    pub content_preview: String,
+    pub status: String,
+    pub error_detail: Option<String>,
+    pub created_at: String,
+}
+
+impl From<crate::db::entities::chat_channel::Model> for ChatChannelInfo {
+    fn from(m: crate::db::entities::chat_channel::Model) -> Self {
+        Self {
+            id: m.id,
+            name: m.name,
+            channel_type: m.channel_type,
+            enabled: m.enabled,
+            config_json: m.config_json,
+            event_filter_json: m.event_filter_json,
+            daily_report_enabled: m.daily_report_enabled,
+            daily_report_time: m.daily_report_time,
+            created_at: m.created_at.to_rfc3339(),
+            updated_at: m.updated_at.to_rfc3339(),
+        }
+    }
+}
+
+impl From<crate::db::entities::chat_channel_message_log::Model> for ChatChannelMessageLogInfo {
+    fn from(m: crate::db::entities::chat_channel_message_log::Model) -> Self {
+        Self {
+            id: m.id,
+            channel_id: m.channel_id,
+            direction: m.direction,
+            message_type: m.message_type,
+            content_preview: m.content_preview,
+            status: m.status,
+            error_detail: m.error_detail,
+            created_at: m.created_at.to_rfc3339(),
+        }
+    }
+}

src-tauri/src/models/mod.rs

@@ -1,10 +1,13 @@
 pub mod agent;
+pub mod chat_channel;
 pub mod conversation;
 pub mod folder;
 pub mod message;
 pub mod system;
 
 pub use agent::AgentType;
+#[allow(unused_imports)]
+pub use chat_channel::{ChannelStatusInfo, ChatChannelInfo, ChatChannelMessageLogInfo};
 pub use conversation::{
     AgentConversationCount, AgentStats, ConversationDetail, ConversationSummary,
     DbConversationDetail, DbConversationSummary, FolderInfo, ImportResult, SessionStats,

src-tauri/src/web/handlers/chat_channel.rs

@@ -0,0 +1,185 @@
+use std::sync::Arc;
+
+use axum::{extract::Extension, Json};
+use serde::Deserialize;
+
+use crate::app_error::AppCommandError;
+use crate::app_state::AppState;
+use crate::commands::chat_channel as cc_commands;
+use crate::models::chat_channel::{ChannelStatusInfo, ChatChannelInfo, ChatChannelMessageLogInfo};
+
+// ---------------------------------------------------------------------------
+// Param structs
+// ---------------------------------------------------------------------------
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CreateChatChannelParams {
+    pub name: String,
+    pub channel_type: String,
+    pub config_json: String,
+    pub enabled: bool,
+    pub daily_report_enabled: bool,
+    pub daily_report_time: Option<String>,
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UpdateChatChannelParams {
+    pub id: i32,
+    pub name: Option<String>,
+    pub enabled: Option<bool>,
+    pub config_json: Option<String>,
+    pub event_filter_json: Option<Option<String>>,
+    pub daily_report_enabled: Option<bool>,
+    pub daily_report_time: Option<Option<String>>,
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ChannelIdParams {
+    pub id: i32,
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SaveTokenParams {
+    pub channel_id: i32,
+    pub token: String,
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ChannelIdOnlyParams {
+    pub channel_id: i32,
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ListMessagesParams {
+    pub channel_id: i32,
+    pub limit: Option<u64>,
+    pub offset: Option<u64>,
+}
+
+// ---------------------------------------------------------------------------
+// Handlers
+// ---------------------------------------------------------------------------
+
+pub async fn list_chat_channels(
+    Extension(state): Extension<Arc<AppState>>,
+) -> Result<Json<Vec<ChatChannelInfo>>, AppCommandError> {
+    let result = cc_commands::list_chat_channels_core(&state.db).await?;
+    Ok(Json(result))
+}
+
+pub async fn create_chat_channel(
+    Extension(state): Extension<Arc<AppState>>,
+    Json(params): Json<CreateChatChannelParams>,
+) -> Result<Json<ChatChannelInfo>, AppCommandError> {
+    let result = cc_commands::create_chat_channel_core(
+        &state.db,
+        params.name,
+        params.channel_type,
+        params.config_json,
+        params.enabled,
+        params.daily_report_enabled,
+        params.daily_report_time,
+    )
+    .await?;
+    Ok(Json(result))
+}
+
+pub async fn update_chat_channel(
+    Extension(state): Extension<Arc<AppState>>,
+    Json(params): Json<UpdateChatChannelParams>,
+) -> Result<Json<ChatChannelInfo>, AppCommandError> {
+    let result = cc_commands::update_chat_channel_core(
+        &state.db,
+        params.id,
+        params.name,
+        params.enabled,
+        params.config_json,
+        params.event_filter_json,
+        params.daily_report_enabled,
+        params.daily_report_time,
+    )
+    .await?;
+    Ok(Json(result))
+}
+
+pub async fn delete_chat_channel(
+    Extension(state): Extension<Arc<AppState>>,
+    Json(params): Json<ChannelIdParams>,
+) -> Result<Json<()>, AppCommandError> {
+    cc_commands::delete_chat_channel_core(&state.db, params.id).await?;
+    Ok(Json(()))
+}
+
+pub async fn save_chat_channel_token(
+    Json(params): Json<SaveTokenParams>,
+) -> Result<Json<()>, AppCommandError> {
+    cc_commands::save_chat_channel_token_core(params.channel_id, &params.token)?;
+    Ok(Json(()))
+}
+
+pub async fn get_chat_channel_has_token(
+    Json(params): Json<ChannelIdOnlyParams>,
+) -> Result<Json<bool>, AppCommandError> {
+    let has = cc_commands::get_chat_channel_has_token_core(params.channel_id)?;
+    Ok(Json(has))
+}
+
+pub async fn delete_chat_channel_token(
+    Json(params): Json<ChannelIdOnlyParams>,
+) -> Result<Json<()>, AppCommandError> {
+    cc_commands::delete_chat_channel_token_core(params.channel_id)?;
+    Ok(Json(()))
+}
+
+pub async fn connect_chat_channel(
+    Extension(state): Extension<Arc<AppState>>,
+    Json(params): Json<ChannelIdParams>,
+) -> Result<Json<()>, AppCommandError> {
+    cc_commands::connect_chat_channel_core(&state.db, &state.chat_channel_manager, params.id)
+        .await?;
+    Ok(Json(()))
+}
+
+pub async fn disconnect_chat_channel(
+    Extension(state): Extension<Arc<AppState>>,
+    Json(params): Json<ChannelIdParams>,
+) -> Result<Json<()>, AppCommandError> {
+    cc_commands::disconnect_chat_channel_core(&state.chat_channel_manager, params.id).await?;
+    Ok(Json(()))
+}
+
+pub async fn test_chat_channel(
+    Extension(state): Extension<Arc<AppState>>,
+    Json(params): Json<ChannelIdParams>,
+) -> Result<Json<()>, AppCommandError> {
+    cc_commands::test_chat_channel_core(&state.db, params.id).await?;
+    Ok(Json(()))
+}
+
+pub async fn get_chat_channel_status(
+    Extension(state): Extension<Arc<AppState>>,
+) -> Result<Json<Vec<ChannelStatusInfo>>, AppCommandError> {
+    let result =
+        cc_commands::get_chat_channel_status_core(&state.chat_channel_manager).await?;
+    Ok(Json(result))
+}
+
+pub async fn list_chat_channel_messages(
+    Extension(state): Extension<Arc<AppState>>,
+    Json(params): Json<ListMessagesParams>,
+) -> Result<Json<Vec<ChatChannelMessageLogInfo>>, AppCommandError> {
+    let result = cc_commands::list_chat_channel_messages_core(
+        &state.db,
+        params.channel_id,
+        params.limit,
+        params.offset,
+    )
+    .await?;
+    Ok(Json(result))
+}

src-tauri/src/web/handlers/mod.rs

@@ -1,13 +1,14 @@
 mod error;
+pub mod acp;
+pub mod chat_channel;
 pub mod conversations;
 pub mod files;
-pub mod folders;
-pub mod acp;
-pub mod terminal;
-pub mod system_settings;
-pub mod version_control;
 pub mod folder_commands;
-pub mod mcp;
+pub mod folders;
 pub mod git;
+pub mod mcp;
 pub mod project_boot;
+pub mod system_settings;
+pub mod terminal;
+pub mod version_control;
 pub mod web_server;

src-tauri/src/web/mod.rs

@@ -245,6 +245,7 @@ pub async fn start_web_server(
         emitter: crate::web::event_bridge::EventEmitter::Tauri(app.clone()),
         data_dir: app.path().app_data_dir().unwrap_or_default(),
         web_server_state: WebServerState::new(), // placeholder; not used by handlers
+        chat_channel_manager: crate::app_state::default_chat_channel_manager(),
     });
 
     let router = router::build_router(app_state, token.clone(), static_dir);

src-tauri/src/web/router.rs

@@ -180,6 +180,19 @@ pub fn build_router(state: Arc<AppState>, token: String, static_dir: std::path::
         .route("/start_web_server", post(handlers::web_server::start_web_server))
         .route("/stop_web_server", post(handlers::web_server::stop_web_server))
         .route("/check_app_update", post(handlers::web_server::check_app_update))
+        // ─── Chat Channels ───
+        .route("/list_chat_channels", post(handlers::chat_channel::list_chat_channels))
+        .route("/create_chat_channel", post(handlers::chat_channel::create_chat_channel))
+        .route("/update_chat_channel", post(handlers::chat_channel::update_chat_channel))
+        .route("/delete_chat_channel", post(handlers::chat_channel::delete_chat_channel))
+        .route("/save_chat_channel_token", post(handlers::chat_channel::save_chat_channel_token))
+        .route("/get_chat_channel_has_token", post(handlers::chat_channel::get_chat_channel_has_token))
+        .route("/delete_chat_channel_token", post(handlers::chat_channel::delete_chat_channel_token))
+        .route("/connect_chat_channel", post(handlers::chat_channel::connect_chat_channel))
+        .route("/disconnect_chat_channel", post(handlers::chat_channel::disconnect_chat_channel))
+        .route("/test_chat_channel", post(handlers::chat_channel::test_chat_channel))
+        .route("/get_chat_channel_status", post(handlers::chat_channel::get_chat_channel_status))
+        .route("/list_chat_channel_messages", post(handlers::chat_channel::list_chat_channel_messages))
         // ─── Terminal ───
         .route("/terminal_spawn", post(handlers::terminal::terminal_spawn))
         .route("/terminal_write", post(handlers::terminal::terminal_write))

src/app/settings/chat-channels/page.tsx

@@ -0,0 +1,5 @@
+import { ChatChannelSettings } from "@/components/settings/chat-channel-settings"
+
+export default function SettingsChatChannelsPage() {
+  return <ChatChannelSettings />
+}

src/components/settings/add-chat-channel-dialog.tsx

@@ -0,0 +1,245 @@
+"use client"
+
+import { useCallback, useState } from "react"
+import { Loader2 } from "lucide-react"
+import { useTranslations } from "next-intl"
+
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog"
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select"
+import { Switch } from "@/components/ui/switch"
+import {
+  createChatChannel,
+  saveChatChannelToken,
+} from "@/lib/api"
+import type { ChannelType } from "@/lib/types"
+
+interface AddChatChannelDialogProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  onChannelAdded: () => void
+}
+
+export function AddChatChannelDialog({
+  open,
+  onOpenChange,
+  onChannelAdded,
+}: AddChatChannelDialogProps) {
+  const t = useTranslations("ChatChannelSettings")
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+
+  const [name, setName] = useState("")
+  const [channelType, setChannelType] = useState<ChannelType>("telegram")
+  const [token, setToken] = useState("")
+  const [chatId, setChatId] = useState("")
+  const [appId, setAppId] = useState("")
+  const [dailyReportEnabled, setDailyReportEnabled] = useState(false)
+  const [dailyReportTime, setDailyReportTime] = useState("18:00")
+
+  const resetForm = useCallback(() => {
+    setName("")
+    setChannelType("telegram")
+    setToken("")
+    setChatId("")
+    setAppId("")
+    setDailyReportEnabled(false)
+    setDailyReportTime("18:00")
+    setError(null)
+  }, [])
+
+  const handleOpenChange = useCallback(
+    (nextOpen: boolean) => {
+      if (!nextOpen) resetForm()
+      onOpenChange(nextOpen)
+    },
+    [onOpenChange, resetForm],
+  )
+
+  const handleSubmit = useCallback(async () => {
+    if (!name.trim()) {
+      setError(t("nameRequired"))
+      return
+    }
+    if (!token.trim()) {
+      setError(t("tokenRequired"))
+      return
+    }
+    if (!chatId.trim()) {
+      setError(t("chatIdRequired"))
+      return
+    }
+
+    setLoading(true)
+    setError(null)
+    try {
+      const configJson =
+        channelType === "lark"
+          ? JSON.stringify({ app_id: appId, chat_id: chatId })
+          : JSON.stringify({ chat_id: chatId })
+
+      const channel = await createChatChannel({
+        name: name.trim(),
+        channelType,
+        configJson,
+        enabled: true,
+        dailyReportEnabled,
+        dailyReportTime: dailyReportEnabled ? dailyReportTime : null,
+      })
+
+      await saveChatChannelToken(channel.id, token.trim())
+
+      handleOpenChange(false)
+      onChannelAdded()
+    } catch (err) {
+      const msg = err instanceof Error ? err.message : String(err)
+      setError(msg)
+    } finally {
+      setLoading(false)
+    }
+  }, [
+    name,
+    token,
+    chatId,
+    channelType,
+    appId,
+    dailyReportEnabled,
+    dailyReportTime,
+    handleOpenChange,
+    onChannelAdded,
+    t,
+  ])
+
+  return (
+    <Dialog open={open} onOpenChange={handleOpenChange}>
+      <DialogContent className="sm:max-w-md">
+        <DialogHeader>
+          <DialogTitle>{t("addChannel")}</DialogTitle>
+        </DialogHeader>
+
+        <div className="space-y-4">
+          <div className="space-y-1.5">
+            <label className="text-xs font-medium">{t("channelName")}</label>
+            <Input
+              value={name}
+              onChange={(e) => setName(e.target.value)}
+              placeholder={t("channelNamePlaceholder")}
+            />
+          </div>
+
+          <div className="space-y-1.5">
+            <label className="text-xs font-medium">{t("channelType")}</label>
+            <Select
+              value={channelType}
+              onValueChange={(v) => setChannelType(v as ChannelType)}
+            >
+              <SelectTrigger>
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent>
+                <SelectItem value="telegram">Telegram</SelectItem>
+                <SelectItem value="lark">
+                  {t("lark")}
+                </SelectItem>
+              </SelectContent>
+            </Select>
+          </div>
+
+          {channelType === "lark" && (
+            <div className="space-y-1.5">
+              <label className="text-xs font-medium">App ID</label>
+              <Input
+                value={appId}
+                onChange={(e) => setAppId(e.target.value)}
+                placeholder="cli_xxxxx"
+              />
+            </div>
+          )}
+
+          <div className="space-y-1.5">
+            <label className="text-xs font-medium">
+              {channelType === "telegram" ? "Bot Token" : "App Secret"}
+            </label>
+            <Input
+              type="password"
+              value={token}
+              onChange={(e) => setToken(e.target.value)}
+              placeholder={
+                channelType === "telegram"
+                  ? "123456:ABC-DEF..."
+                  : "xxxxx"
+              }
+            />
+          </div>
+
+          <div className="space-y-1.5">
+            <label className="text-xs font-medium">Chat ID</label>
+            <Input
+              value={chatId}
+              onChange={(e) => setChatId(e.target.value)}
+              placeholder={
+                channelType === "telegram" ? "-100123456789" : "oc_xxxxx"
+              }
+            />
+          </div>
+
+          <div className="flex items-center justify-between">
+            <label className="text-xs font-medium">
+              {t("dailyReport")}
+            </label>
+            <Switch
+              checked={dailyReportEnabled}
+              onCheckedChange={setDailyReportEnabled}
+            />
+          </div>
+
+          {dailyReportEnabled && (
+            <div className="space-y-1.5">
+              <label className="text-xs font-medium">
+                {t("dailyReportTime")}
+              </label>
+              <Input
+                type="time"
+                value={dailyReportTime}
+                onChange={(e) => setDailyReportTime(e.target.value)}
+              />
+            </div>
+          )}
+
+          {error && (
+            <div className="rounded-md border border-red-500/30 bg-red-500/5 px-3 py-2 text-xs text-red-400">
+              {error}
+            </div>
+          )}
+        </div>
+
+        <DialogFooter>
+          <Button
+            variant="outline"
+            onClick={() => handleOpenChange(false)}
+            disabled={loading}
+          >
+            {t("cancel")}
+          </Button>
+          <Button onClick={handleSubmit} disabled={loading}>
+            {loading && <Loader2 className="h-3.5 w-3.5 animate-spin mr-1" />}
+            {t("create")}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  )
+}

src/components/settings/chat-channel-settings.tsx

@@ -0,0 +1,300 @@
+"use client"
+
+import { useCallback, useEffect, useState } from "react"
+import {
+  Loader2,
+  MessageCircle,
+  Plus,
+  Power,
+  PowerOff,
+  TestTube,
+  Trash2,
+} from "lucide-react"
+import { useTranslations } from "next-intl"
+import { toast } from "sonner"
+
+import { Button } from "@/components/ui/button"
+import { Badge } from "@/components/ui/badge"
+import { Switch } from "@/components/ui/switch"
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog"
+import {
+  listChatChannels,
+  deleteChatChannel,
+  connectChatChannel,
+  disconnectChatChannel,
+  testChatChannel,
+  updateChatChannel,
+  getChatChannelStatus,
+} from "@/lib/api"
+import type { ChatChannelInfo, ChannelStatusInfo } from "@/lib/types"
+import { AddChatChannelDialog } from "./add-chat-channel-dialog"
+
+export function ChatChannelSettings() {
+  const t = useTranslations("ChatChannelSettings")
+  const [channels, setChannels] = useState<ChatChannelInfo[]>([])
+  const [statuses, setStatuses] = useState<ChannelStatusInfo[]>([])
+  const [loading, setLoading] = useState(true)
+  const [addDialogOpen, setAddDialogOpen] = useState(false)
+  const [deleteTarget, setDeleteTarget] = useState<ChatChannelInfo | null>(null)
+  const [actionLoading, setActionLoading] = useState<number | null>(null)
+
+  const loadChannels = useCallback(async () => {
+    try {
+      const [chs, sts] = await Promise.all([
+        listChatChannels(),
+        getChatChannelStatus().catch(() => []),
+      ])
+      setChannels(chs)
+      setStatuses(sts)
+    } catch (err) {
+      toast.error(t("loadFailed"))
+    } finally {
+      setLoading(false)
+    }
+  }, [t])
+
+  useEffect(() => {
+    loadChannels().catch(console.error)
+  }, [loadChannels])
+
+  const handleToggleEnabled = useCallback(
+    async (ch: ChatChannelInfo) => {
+      try {
+        await updateChatChannel({ id: ch.id, enabled: !ch.enabled })
+        await loadChannels()
+      } catch (err) {
+        toast.error(t("saveFailed"))
+      }
+    },
+    [loadChannels, t],
+  )
+
+  const handleConnect = useCallback(
+    async (id: number) => {
+      setActionLoading(id)
+      try {
+        await connectChatChannel(id)
+        toast.success(t("connectSuccess"))
+        await loadChannels()
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err)
+        toast.error(t("connectFailed") + ": " + msg)
+      } finally {
+        setActionLoading(null)
+      }
+    },
+    [loadChannels, t],
+  )
+
+  const handleDisconnect = useCallback(
+    async (id: number) => {
+      setActionLoading(id)
+      try {
+        await disconnectChatChannel(id)
+        toast.success(t("disconnectSuccess"))
+        await loadChannels()
+      } catch (err) {
+        toast.error(t("disconnectFailed"))
+      } finally {
+        setActionLoading(null)
+      }
+    },
+    [loadChannels, t],
+  )
+
+  const handleTest = useCallback(
+    async (id: number) => {
+      setActionLoading(id)
+      try {
+        await testChatChannel(id)
+        toast.success(t("testSuccess"))
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err)
+        toast.error(t("testFailed") + ": " + msg)
+      } finally {
+        setActionLoading(null)
+      }
+    },
+    [t],
+  )
+
+  const handleDelete = useCallback(async () => {
+    if (!deleteTarget) return
+    try {
+      await deleteChatChannel(deleteTarget.id)
+      toast.success(t("deleteSuccess"))
+      setDeleteTarget(null)
+      await loadChannels()
+    } catch (err) {
+      toast.error(t("deleteFailed"))
+    }
+  }, [deleteTarget, loadChannels, t])
+
+  const getChannelStatus = (id: number) =>
+    statuses.find((s) => s.channel_id === id)?.status ?? "disconnected"
+
+  if (loading) {
+    return (
+      <div className="h-full flex items-center justify-center text-sm text-muted-foreground gap-2">
+        <Loader2 className="h-4 w-4 animate-spin" />
+        {t("loading")}
+      </div>
+    )
+  }
+
+  return (
+    <div className="h-full overflow-auto">
+      <div className="w-full space-y-4">
+        <section className="space-y-1">
+          <div className="flex items-center justify-between">
+            <div>
+              <h1 className="text-sm font-semibold">{t("sectionTitle")}</h1>
+              <p className="text-sm text-muted-foreground">
+                {t("sectionDescription")}
+              </p>
+            </div>
+            <Button size="sm" onClick={() => setAddDialogOpen(true)}>
+              <Plus className="h-3.5 w-3.5 mr-1" />
+              {t("addChannel")}
+            </Button>
+          </div>
+        </section>
+
+        {channels.length === 0 ? (
+          <section className="rounded-xl border bg-card p-8 text-center">
+            <MessageCircle className="h-8 w-8 mx-auto text-muted-foreground mb-2" />
+            <p className="text-sm text-muted-foreground">
+              {t("noChannels")}
+            </p>
+          </section>
+        ) : (
+          <section className="space-y-2">
+            {channels.map((ch) => {
+              const status = getChannelStatus(ch.id)
+              const isConnected = status === "connected"
+              const isLoading = actionLoading === ch.id
+
+              return (
+                <div
+                  key={ch.id}
+                  className="rounded-xl border bg-card p-4 flex items-center gap-4"
+                >
+                  <div className="flex-1 min-w-0">
+                    <div className="flex items-center gap-2">
+                      <span className="text-sm font-medium">{ch.name}</span>
+                      <Badge variant="outline" className="text-xs">
+                        {ch.channel_type}
+                      </Badge>
+                      <span
+                        className={`inline-block h-2 w-2 rounded-full ${
+                          isConnected
+                            ? "bg-green-500"
+                            : status === "connecting"
+                              ? "bg-yellow-500 animate-pulse"
+                              : status === "error"
+                                ? "bg-red-500"
+                                : "bg-gray-400"
+                        }`}
+                      />
+                    </div>
+                    <div className="flex items-center gap-3 mt-1">
+                      {ch.daily_report_enabled && (
+                        <span className="text-xs text-muted-foreground">
+                          {t("dailyReport")}: {ch.daily_report_time || "18:00"}
+                        </span>
+                      )}
+                    </div>
+                  </div>
+
+                  <div className="flex items-center gap-2">
+                    <Switch
+                      checked={ch.enabled}
+                      onCheckedChange={() => handleToggleEnabled(ch)}
+                    />
+                    {isConnected ? (
+                      <Button
+                        variant="ghost"
+                        size="sm"
+                        disabled={isLoading}
+                        onClick={() => handleDisconnect(ch.id)}
+                      >
+                        {isLoading ? (
+                          <Loader2 className="h-3.5 w-3.5 animate-spin" />
+                        ) : (
+                          <PowerOff className="h-3.5 w-3.5" />
+                        )}
+                      </Button>
+                    ) : (
+                      <Button
+                        variant="ghost"
+                        size="sm"
+                        disabled={isLoading || !ch.enabled}
+                        onClick={() => handleConnect(ch.id)}
+                      >
+                        {isLoading ? (
+                          <Loader2 className="h-3.5 w-3.5 animate-spin" />
+                        ) : (
+                          <Power className="h-3.5 w-3.5" />
+                        )}
+                      </Button>
+                    )}
+                    <Button
+                      variant="ghost"
+                      size="sm"
+                      disabled={isLoading}
+                      onClick={() => handleTest(ch.id)}
+                    >
+                      <TestTube className="h-3.5 w-3.5" />
+                    </Button>
+                    <Button
+                      variant="ghost"
+                      size="sm"
+                      onClick={() => setDeleteTarget(ch)}
+                    >
+                      <Trash2 className="h-3.5 w-3.5 text-destructive" />
+                    </Button>
+                  </div>
+                </div>
+              )
+            })}
+          </section>
+        )}
+      </div>
+
+      <AddChatChannelDialog
+        open={addDialogOpen}
+        onOpenChange={setAddDialogOpen}
+        onChannelAdded={loadChannels}
+      />
+
+      <AlertDialog
+        open={!!deleteTarget}
+        onOpenChange={(open) => !open && setDeleteTarget(null)}
+      >
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>{t("deleteConfirmTitle")}</AlertDialogTitle>
+            <AlertDialogDescription>
+              {t("deleteConfirmMessage")}
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel>{t("cancel")}</AlertDialogCancel>
+            <AlertDialogAction onClick={handleDelete}>
+              {t("delete")}
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
+    </div>
+  )
+}

src/components/settings/settings-shell.tsx

@@ -12,6 +12,7 @@ import {
   GitBranch,
   Globe,
   Keyboard,
+  MessageCircle,
   Palette,
   PlugZap,
   Settings,
@@ -33,6 +34,7 @@ interface SettingsNavItem {
     | "skills"
     | "shortcuts"
     | "version_control"
+    | "chat_channels"
     | "system"
     | "web_service"
   icon: ComponentType<{ className?: string }>
@@ -69,6 +71,11 @@ const SETTINGS_NAV_ITEMS: SettingsNavItem[] = [
     labelKey: "version_control",
     icon: GitBranch,
   },
+  {
+    href: "/settings/chat-channels",
+    labelKey: "chat_channels",
+    icon: MessageCircle,
+  },
   {
     href: "/settings/web-service",
     labelKey: "web_service",

src/i18n/messages/en.json

@@ -92,6 +92,7 @@
       "shortcuts": "Shortcuts",
       "version_control": "Version Control",
       "system": "System",
+      "chat_channels": "Chat Channels",
       "web_service": "Web Service"
     }
   },
@@ -1670,5 +1671,36 @@
     "emptyDirectory": "This directory is empty",
     "errorLoadingDir": "Failed to load directory",
     "permissionDenied": "Permission denied"
+  },
+  "ChatChannelSettings": {
+    "loading": "Loading...",
+    "sectionTitle": "Chat Channels",
+    "sectionDescription": "Configure IM bots to receive event notifications and query coding activity.",
+    "addChannel": "Add Channel",
+    "noChannels": "No chat channels configured yet.",
+    "channelName": "Name",
+    "channelNamePlaceholder": "My Telegram Bot",
+    "channelType": "Channel Type",
+    "lark": "Lark (Feishu)",
+    "dailyReport": "Daily Report",
+    "dailyReportTime": "Report Time",
+    "nameRequired": "Channel name is required.",
+    "tokenRequired": "Token is required.",
+    "chatIdRequired": "Chat ID is required.",
+    "loadFailed": "Failed to load channels.",
+    "saveFailed": "Failed to save changes.",
+    "connectSuccess": "Channel connected.",
+    "connectFailed": "Failed to connect",
+    "disconnectSuccess": "Channel disconnected.",
+    "disconnectFailed": "Failed to disconnect.",
+    "testSuccess": "Connection test passed.",
+    "testFailed": "Connection test failed",
+    "deleteSuccess": "Channel deleted.",
+    "deleteFailed": "Failed to delete channel.",
+    "deleteConfirmTitle": "Delete Channel",
+    "deleteConfirmMessage": "This will permanently delete the channel and its message logs. Are you sure?",
+    "cancel": "Cancel",
+    "delete": "Delete",
+    "create": "Create"
   }
 }

src/i18n/messages/zh-CN.json

@@ -92,6 +92,7 @@
       "shortcuts": "快捷键",
       "version_control": "版本控制",
       "system": "系统",
+      "chat_channels": "消息渠道",
       "web_service": "Web 服务"
     }
   },
@@ -1670,5 +1671,36 @@
     "emptyDirectory": "此目录为空",
     "errorLoadingDir": "加载目录失败",
     "permissionDenied": "权限不足"
+  },
+  "ChatChannelSettings": {
+    "loading": "加载中...",
+    "sectionTitle": "消息渠道",
+    "sectionDescription": "配置 IM 机器人，接收事件通知和查询编码活动。",
+    "addChannel": "添加渠道",
+    "noChannels": "尚未配置任何消息渠道。",
+    "channelName": "名称",
+    "channelNamePlaceholder": "我的 Telegram 机器人",
+    "channelType": "渠道类型",
+    "lark": "飞书",
+    "dailyReport": "每日报告",
+    "dailyReportTime": "推送时间",
+    "nameRequired": "请输入渠道名称。",
+    "tokenRequired": "请输入 Token。",
+    "chatIdRequired": "请输入 Chat ID。",
+    "loadFailed": "加载渠道失败。",
+    "saveFailed": "保存失败。",
+    "connectSuccess": "渠道已连接。",
+    "connectFailed": "连接失败",
+    "disconnectSuccess": "渠道已断开。",
+    "disconnectFailed": "断开连接失败。",
+    "testSuccess": "连接测试通过。",
+    "testFailed": "连接测试失败",
+    "deleteSuccess": "渠道已删除。",
+    "deleteFailed": "删除渠道失败。",
+    "deleteConfirmTitle": "删除渠道",
+    "deleteConfirmMessage": "将永久删除该渠道及其消息日志，确定吗？",
+    "cancel": "取消",
+    "delete": "删除",
+    "create": "创建"
   }
 }

src/lib/api.ts

@@ -54,6 +54,9 @@ import type {
   McpMarketplaceProvider,
   McpMarketplaceItem,
   McpMarketplaceServerDetail,
+  ChatChannelInfo,
+  ChannelStatusInfo,
+  ChatChannelMessageLog,
 } from "./types"
 
 export async function listConversations(params?: {
@@ -1304,3 +1307,98 @@ export async function stopWebServer(): Promise<void> {
 export async function getWebServerStatus(): Promise<WebServerInfo | null> {
   return getTransport().call("get_web_server_status")
 }
+
+// ─── Chat Channels ───
+
+export async function listChatChannels(): Promise<ChatChannelInfo[]> {
+  return getTransport().call("list_chat_channels")
+}
+
+export async function createChatChannel(params: {
+  name: string
+  channelType: string
+  configJson: string
+  enabled: boolean
+  dailyReportEnabled: boolean
+  dailyReportTime?: string | null
+}): Promise<ChatChannelInfo> {
+  return getTransport().call("create_chat_channel", {
+    name: params.name,
+    channelType: params.channelType,
+    configJson: params.configJson,
+    enabled: params.enabled,
+    dailyReportEnabled: params.dailyReportEnabled,
+    dailyReportTime: params.dailyReportTime ?? null,
+  })
+}
+
+export async function updateChatChannel(params: {
+  id: number
+  name?: string | null
+  enabled?: boolean | null
+  configJson?: string | null
+  eventFilterJson?: string | null
+  dailyReportEnabled?: boolean | null
+  dailyReportTime?: string | null
+}): Promise<ChatChannelInfo> {
+  return getTransport().call("update_chat_channel", {
+    id: params.id,
+    name: params.name ?? null,
+    enabled: params.enabled ?? null,
+    configJson: params.configJson ?? null,
+    eventFilterJson: params.eventFilterJson ?? null,
+    dailyReportEnabled: params.dailyReportEnabled ?? null,
+    dailyReportTime: params.dailyReportTime ?? null,
+  })
+}
+
+export async function deleteChatChannel(id: number): Promise<void> {
+  return getTransport().call("delete_chat_channel", { id })
+}
+
+export async function saveChatChannelToken(
+  channelId: number,
+  token: string,
+): Promise<void> {
+  return getTransport().call("save_chat_channel_token", { channelId, token })
+}
+
+export async function getChatChannelHasToken(
+  channelId: number,
+): Promise<boolean> {
+  return getTransport().call("get_chat_channel_has_token", { channelId })
+}
+
+export async function deleteChatChannelToken(
+  channelId: number,
+): Promise<void> {
+  return getTransport().call("delete_chat_channel_token", { channelId })
+}
+
+export async function connectChatChannel(id: number): Promise<void> {
+  return getTransport().call("connect_chat_channel", { id })
+}
+
+export async function disconnectChatChannel(id: number): Promise<void> {
+  return getTransport().call("disconnect_chat_channel", { id })
+}
+
+export async function testChatChannel(id: number): Promise<void> {
+  return getTransport().call("test_chat_channel", { id })
+}
+
+export async function getChatChannelStatus(): Promise<ChannelStatusInfo[]> {
+  return getTransport().call("get_chat_channel_status")
+}
+
+export async function listChatChannelMessages(params: {
+  channelId: number
+  limit?: number
+  offset?: number
+}): Promise<ChatChannelMessageLog[]> {
+  return getTransport().call("list_chat_channel_messages", {
+    channelId: params.channelId,
+    limit: params.limit ?? null,
+    offset: params.offset ?? null,
+  })
+}

src/lib/types.ts

@@ -841,3 +841,44 @@ export interface PreflightResult {
   passed: boolean
   checks: CheckItem[]
 }
+
+// ─── Chat Channels ───
+
+export type ChannelType = "lark" | "telegram"
+
+export type ChannelConnectionStatus =
+  | "connected"
+  | "connecting"
+  | "disconnected"
+  | "error"
+
+export interface ChatChannelInfo {
+  id: number
+  name: string
+  channel_type: ChannelType
+  enabled: boolean
+  config_json: string
+  event_filter_json: string | null
+  daily_report_enabled: boolean
+  daily_report_time: string | null
+  created_at: string
+  updated_at: string
+}
+
+export interface ChannelStatusInfo {
+  channel_id: number
+  name: string
+  channel_type: ChannelType
+  status: ChannelConnectionStatus
+}
+
+export interface ChatChannelMessageLog {
+  id: number
+  channel_id: number
+  direction: "outbound" | "inbound"
+  message_type: string
+  content_preview: string
+  status: "sent" | "failed"
+  error_detail: string | null
+  created_at: string
+}