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use sendMessageDraft for native streaming output, fallback to editMessageText

Browse Source 
Telegram Bot API 9.3+ sendMessageDraft provides smooth streaming text
rendering without the flickering of repeated edits. Falls back to
editMessageText automatically if the API is unavailable (e.g. older
clients or group chats). Also reduces edit interval from 5s to 3s and
uses 1s interval for draft mode.
This commit is contained in:
Fam Zheng
2026-04-09 09:35:55 +01:00
parent 765ff2c51d
commit eba7d89006
3 changed files with 492 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

397
Cargo.lock generated
View File

@@ -39,6 +39,12 @@ dependencies = [
"syn 1.0.109",
]
[[package]]
name = "atomic-waker"
version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
[[package]]
name = "autocfg"
version = "1.5.0"
@@ -51,6 +57,12 @@ version = "0.21.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
[[package]]
name = "base64"
version = "0.22.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
[[package]]
name = "bitflags"
version = "1.3.2"
@@ -382,6 +394,17 @@ dependencies = [
"slab",
]
[[package]]
name = "getrandom"
version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
dependencies = [
"cfg-if",
"libc",
"wasi",
]
[[package]]
name = "getrandom"
version = "0.4.2"
@@ -406,7 +429,26 @@ dependencies = [
"futures-core",
"futures-sink",
"futures-util",
"http",
"http 0.2.12",
"indexmap",
"slab",
"tokio",
"tokio-util",
"tracing",
]
[[package]]
name = "h2"
version = "0.4.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2f44da3a8150a6703ed5d34e164b875fd14c2cdab9af1252a9a1020bde2bdc54"
dependencies = [
"atomic-waker",
"bytes",
"fnv",
"futures-core",
"futures-sink",
"http 1.4.0",
"indexmap",
"slab",
"tokio",
@@ -452,6 +494,16 @@ dependencies = [
"itoa",
]
[[package]]
name = "http"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e3ba2a386d7f85a81f119ad7498ebe444d2e22c2af0b86b069416ace48b3311a"
dependencies = [
"bytes",
"itoa",
]
[[package]]
name = "http-body"
version = "0.4.6"
@@ -459,7 +511,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
dependencies = [
"bytes",
"http",
"http 0.2.12",
"pin-project-lite",
]
[[package]]
name = "http-body"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
dependencies = [
"bytes",
"http 1.4.0",
]
[[package]]
name = "http-body-util"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b021d93e26becf5dc7e1b75b1bed1fd93124b374ceb73f43d4d4eafec896a64a"
dependencies = [
"bytes",
"futures-core",
"http 1.4.0",
"http-body 1.0.1",
"pin-project-lite",
]
@@ -485,9 +560,9 @@ dependencies = [
"futures-channel",
"futures-core",
"futures-util",
"h2",
"http",
"http-body",
"h2 0.3.27",
"http 0.2.12",
"http-body 0.4.6",
"httparse",
"httpdate",
"itoa",
@@ -499,6 +574,43 @@ dependencies = [
"want",
]
[[package]]
name = "hyper"
version = "1.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6299f016b246a94207e63da54dbe807655bf9e00044f73ded42c3ac5305fbcca"
dependencies = [
"atomic-waker",
"bytes",
"futures-channel",
"futures-core",
"h2 0.4.13",
"http 1.4.0",
"http-body 1.0.1",
"httparse",
"itoa",
"pin-project-lite",
"smallvec",
"tokio",
"want",
]
[[package]]
name = "hyper-rustls"
version = "0.27.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e3c93eb611681b207e1fe55d5a71ecf91572ec8a6705cdb6857f7d8d5242cf58"
dependencies = [
"http 1.4.0",
"hyper 1.9.0",
"hyper-util",
"rustls",
"rustls-pki-types",
"tokio",
"tokio-rustls",
"tower-service",
]
[[package]]
name = "hyper-tls"
version = "0.5.0"
@@ -506,12 +618,53 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
dependencies = [
"bytes",
"hyper",
"hyper 0.14.32",
"native-tls",
"tokio",
"tokio-native-tls",
]
[[package]]
name = "hyper-tls"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70206fc6890eaca9fde8a0bf71caa2ddfc9fe045ac9e5c70df101a7dbde866e0"
dependencies = [
"bytes",
"http-body-util",
"hyper 1.9.0",
"hyper-util",
"native-tls",
"tokio",
"tokio-native-tls",
"tower-service",
]
[[package]]
name = "hyper-util"
version = "0.1.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
dependencies = [
"base64 0.22.1",
"bytes",
"futures-channel",
"futures-util",
"http 1.4.0",
"http-body 1.0.1",
"hyper 1.9.0",
"ipnet",
"libc",
"percent-encoding",
"pin-project-lite",
"socket2 0.6.3",
"system-configuration 0.7.0",
"tokio",
"tower-service",
"tracing",
"windows-registry",
]
[[package]]
name = "iana-time-zone"
version = "0.1.65"
@@ -669,6 +822,16 @@ version = "2.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d98f6fed1fde3f8c21bc40a1abb88dd75e67924f9cffc3ef95607bad8017f8e2"
[[package]]
name = "iri-string"
version = "0.7.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "25e659a4bb38e810ebc252e53b5814ff908a8c58c2a9ce2fae1bbec24cbf4e20"
dependencies = [
"memchr",
"serde",
]
[[package]]
name = "itertools"
version = "0.9.0"
@@ -813,6 +976,7 @@ dependencies = [
"anyhow",
"chrono",
"dptree",
"reqwest 0.12.28",
"serde",
"serde_json",
"serde_yaml",
@@ -1060,16 +1224,16 @@ version = "0.11.27"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dd67538700a17451e7cba03ac727fb961abb7607553461627b97de0b89cf4a62"
dependencies = [
"base64",
"base64 0.21.7",
"bytes",
"encoding_rs",
"futures-core",
"futures-util",
"h2",
"http",
"http-body",
"hyper",
"hyper-tls",
"h2 0.3.27",
"http 0.2.12",
"http-body 0.4.6",
"hyper 0.14.32",
"hyper-tls 0.5.0",
"ipnet",
"js-sys",
"log",
@@ -1083,8 +1247,8 @@ dependencies = [
"serde",
"serde_json",
"serde_urlencoded",
"sync_wrapper",
"system-configuration",
"sync_wrapper 0.1.2",
"system-configuration 0.5.1",
"tokio",
"tokio-native-tls",
"tokio-util",
@@ -1097,6 +1261,60 @@ dependencies = [
"winreg",
]
[[package]]
name = "reqwest"
version = "0.12.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eddd3ca559203180a307f12d114c268abf583f59b03cb906fd0b3ff8646c1147"
dependencies = [
"base64 0.22.1",
"bytes",
"encoding_rs",
"futures-core",
"h2 0.4.13",
"http 1.4.0",
"http-body 1.0.1",
"http-body-util",
"hyper 1.9.0",
"hyper-rustls",
"hyper-tls 0.6.0",
"hyper-util",
"js-sys",
"log",
"mime",
"native-tls",
"percent-encoding",
"pin-project-lite",
"rustls-pki-types",
"serde",
"serde_json",
"serde_urlencoded",
"sync_wrapper 1.0.2",
"tokio",
"tokio-native-tls",
"tower",
"tower-http",
"tower-service",
"url",
"wasm-bindgen",
"wasm-bindgen-futures",
"web-sys",
]
[[package]]
name = "ring"
version = "0.17.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
dependencies = [
"cc",
"cfg-if",
"getrandom 0.2.17",
"libc",
"untrusted",
"windows-sys 0.52.0",
]
[[package]]
name = "rustc_version"
version = "0.4.1"
@@ -1119,13 +1337,46 @@ dependencies = [
"windows-sys 0.61.2",
]
[[package]]
name = "rustls"
version = "0.23.37"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "758025cb5fccfd3bc2fd74708fd4682be41d99e5dff73c377c0646c6012c73a4"
dependencies = [
"once_cell",
"rustls-pki-types",
"rustls-webpki",
"subtle",
"zeroize",
]
[[package]]
name = "rustls-pemfile"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
dependencies = [
"base64",
"base64 0.21.7",
]
[[package]]
name = "rustls-pki-types"
version = "1.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be040f8b0a225e40375822a563fa9524378b9d63112f53e19ffff34df5d33fdd"
dependencies = [
"zeroize",
]
[[package]]
name = "rustls-webpki"
version = "0.103.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "df33b2b81ac578cabaf06b89b0631153a3f416b0a886e8a7a1707fb51abbd1ef"
dependencies = [
"ring",
"rustls-pki-types",
"untrusted",
]
[[package]]
@@ -1339,6 +1590,12 @@ version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]]
name = "subtle"
version = "2.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
[[package]]
name = "syn"
version = "1.0.109"
@@ -1367,6 +1624,15 @@ version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
[[package]]
name = "sync_wrapper"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263"
dependencies = [
"futures-core",
]
[[package]]
name = "synstructure"
version = "0.13.2"
@@ -1386,7 +1652,18 @@ checksum = "ba3a3adc5c275d719af8cb4272ea1c4a6d668a777f37e115f6d11ddbc1c8e0e7"
dependencies = [
"bitflags 1.3.2",
"core-foundation 0.9.4",
"system-configuration-sys",
"system-configuration-sys 0.5.0",
]
[[package]]
name = "system-configuration"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a13f3d0daba03132c0aa9767f98351b3488edc2c100cda2d2ec2b04f3d8d3c8b"
dependencies = [
"bitflags 2.11.0",
"core-foundation 0.9.4",
"system-configuration-sys 0.6.0",
]
[[package]]
@@ -1399,6 +1676,16 @@ dependencies = [
"libc",
]
[[package]]
name = "system-configuration-sys"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e1d1b10ced5ca923a1fcb8d03e96b8d3268065d724548c0211415ff6ac6bac4"
dependencies = [
"core-foundation-sys",
"libc",
]
[[package]]
name = "take_mut"
version = "0.2.2"
@@ -1455,7 +1742,7 @@ dependencies = [
"once_cell",
"pin-project",
"rc-box",
"reqwest",
"reqwest 0.11.27",
"serde",
"serde_json",
"serde_with_macros",
@@ -1487,7 +1774,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
dependencies = [
"fastrand",
"getrandom",
"getrandom 0.4.2",
"once_cell",
"rustix",
"windows-sys 0.61.2",
@@ -1570,6 +1857,16 @@ dependencies = [
"tokio",
]
[[package]]
name = "tokio-rustls"
version = "0.26.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1729aa945f29d91ba541258c8df89027d5792d85a8841fb65e8bf0f4ede4ef61"
dependencies = [
"rustls",
"tokio",
]
[[package]]
name = "tokio-stream"
version = "0.1.18"
@@ -1594,6 +1891,45 @@ dependencies = [
"tokio",
]
[[package]]
name = "tower"
version = "0.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ebe5ef63511595f1344e2d5cfa636d973292adc0eec1f0ad45fae9f0851ab1d4"
dependencies = [
"futures-core",
"futures-util",
"pin-project-lite",
"sync_wrapper 1.0.2",
"tokio",
"tower-layer",
"tower-service",
]
[[package]]
name = "tower-http"
version = "0.6.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d4e6559d53cc268e5031cd8429d05415bc4cb4aefc4aa5d6cc35fbf5b924a1f8"
dependencies = [
"bitflags 2.11.0",
"bytes",
"futures-util",
"http 1.4.0",
"http-body 1.0.1",
"iri-string",
"pin-project-lite",
"tower",
"tower-layer",
"tower-service",
]
[[package]]
name = "tower-layer"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
[[package]]
name = "tower-service"
version = "0.3.3"
@@ -1691,6 +2027,12 @@ version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
[[package]]
name = "untrusted"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
[[package]]
name = "url"
version = "2.5.8"
@@ -1716,7 +2058,7 @@ version = "1.23.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5ac8b6f42ead25368cf5b098aeb3dc8a1a2c05a3eee8a9a1a68c640edbfc79d9"
dependencies = [
"getrandom",
"getrandom 0.4.2",
"js-sys",
"sha1_smol",
"wasm-bindgen",
@@ -1926,6 +2268,17 @@ version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
[[package]]
name = "windows-registry"
version = "0.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "02752bf7fbdcce7f2a27a742f798510f3e5ad88dbe84871e5168e2120c3d5720"
dependencies = [
"windows-link",
"windows-result",
"windows-strings",
]
[[package]]
name = "windows-result"
version = "0.4.1"
@@ -2240,6 +2593,12 @@ dependencies = [
"synstructure",
]
[[package]]
name = "zeroize"
version = "1.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
[[package]]
name = "zerotrie"
version = "0.2.4"

1
Cargo.toml
View File

@@ -10,6 +10,7 @@ dptree = "0.3"
serde = { version = "1", features = ["derive"] }
serde_json = "1"
serde_yaml = "0.9"
reqwest = { version = "0.12", features = ["json"] }
teloxide = { version = "0.12", features = ["macros"] }
tokio = { version = "1", features = ["full"] }
uuid = { version = "1", features = ["v5"] }

164
src/main.rs
View File

@@ -426,7 +426,8 @@ fn extract_tool_use(msg: &AssistantMessage) -> Option<String> {
None
}
const EDIT_INTERVAL_MS: u64 = 5000;
const EDIT_INTERVAL_MS: u64 = 3000;
const DRAFT_INTERVAL_MS: u64 = 1000;
const TG_MSG_LIMIT: usize = 4096;
async fn invoke_claude_streaming(
@@ -452,6 +453,30 @@ async fn invoke_claude_streaming(
}
}
async fn send_message_draft(
client: &reqwest::Client,
token: &str,
chat_id: i64,
draft_id: i64,
text: &str,
) -> Result<()> {
let url = format!("https://api.telegram.org/bot{token}/sendMessageDraft");
let resp = client
.post(&url)
.json(&serde_json::json!({
"chat_id": chat_id,
"draft_id": draft_id,
"text": text,
}))
.send()
.await?;
let body: serde_json::Value = resp.json().await?;
if body["ok"].as_bool() != Some(true) {
anyhow::bail!("sendMessageDraft: {}", body);
}
Ok(())
}
async fn run_claude_streaming(
extra_args: &[&str],
prompt: &str,
@@ -477,16 +502,19 @@ async fn run_claude_streaming(
let stdout = child.stdout.take().unwrap();
let mut lines = tokio::io::BufReader::new(stdout).lines();
// send placeholder immediately so user knows we're on it
let mut msg_id: Option<teloxide::types::MessageId> = match bot.send_message(chat_id, CURSOR).await {
Ok(sent) => Some(sent.id),
Err(_) => None,
};
// sendMessageDraft for native streaming, with editMessageText fallback
let http = reqwest::Client::new();
let token = bot.token().to_owned();
let raw_chat_id = chat_id.0;
let draft_id: i64 = 1;
let mut use_draft = true;
let mut msg_id: Option<teloxide::types::MessageId> = None;
let mut last_sent_text = String::new();
let mut last_edit = Instant::now();
let mut final_result = String::new();
let mut is_error = false;
let mut tool_status = String::new(); // current tool use status line
let mut tool_status = String::new();
while let Ok(Some(line)) = lines.next_line().await {
let event: StreamEvent = match serde_json::from_str(&line) {
@@ -496,48 +524,80 @@ async fn run_claude_streaming(
match event.event_type.as_str() {
"assistant" => {
if let Some(msg) = &event.message {
// check for tool use — show status
if let Some(status) = extract_tool_use(msg) {
tool_status = format!("[{status}]");
let display = if last_sent_text.is_empty() {
tool_status.clone()
if let Some(amsg) = &event.message {
// determine display content
let (display_raw, new_text) =
if let Some(status) = extract_tool_use(amsg) {
tool_status = format!("[{status}]");
let d = if last_sent_text.is_empty() {
tool_status.clone()
} else {
format!("{last_sent_text}\n\n{tool_status}")
};
(d, None)
} else {
format!("{last_sent_text}\n\n{tool_status}")
let text = extract_text(amsg);
if text.is_empty() || text == last_sent_text {
continue;
}
let interval = if use_draft {
DRAFT_INTERVAL_MS
} else {
EDIT_INTERVAL_MS
};
if last_edit.elapsed().as_millis() < interval as u128 {
continue;
}
tool_status.clear();
(text.clone(), Some(text))
};
let display = truncate_for_display(&display);
if let Some(id) = msg_id {
let _ = bot.edit_message_text(chat_id, id, &display).await;
} else if let Ok(sent) = bot.send_message(chat_id, &display).await {
msg_id = Some(sent.id);
let display = truncate_for_display(&display_raw);
if use_draft {
match send_message_draft(
&http, &token, raw_chat_id, draft_id, &display,
)
.await
{
Ok(_) => {
if let Some(t) = new_text {
last_sent_text = t;
}
last_edit = Instant::now();
}
Err(e) => {
warn!("sendMessageDraft failed, falling back: {e:#}");
use_draft = false;
if let Ok(sent) =
bot.send_message(chat_id, &display).await
{
msg_id = Some(sent.id);
if let Some(t) = new_text {
last_sent_text = t;
}
last_edit = Instant::now();
}
}
}
last_edit = Instant::now();
continue;
}
// check for text content
let text = extract_text(msg);
if text.is_empty() || text == last_sent_text {
continue;
}
// throttle edits
if last_edit.elapsed().as_millis() < EDIT_INTERVAL_MS as u128 {
continue;
}
tool_status.clear();
let display = truncate_for_display(&text);
if let Some(id) = msg_id {
if bot.edit_message_text(chat_id, id, &display).await.is_ok() {
last_sent_text = text;
} else if let Some(id) = msg_id {
if bot
.edit_message_text(chat_id, id, &display)
.await
.is_ok()
{
if let Some(t) = new_text {
last_sent_text = t;
}
last_edit = Instant::now();
}
} else if let Ok(sent) = bot.send_message(chat_id, &display).await {
} else if let Ok(sent) =
bot.send_message(chat_id, &display).await
{
msg_id = Some(sent.id);
last_sent_text = text;
if let Some(t) = new_text {
last_sent_text = t;
}
last_edit = Instant::now();
}
}
@@ -576,10 +636,12 @@ async fn run_claude_streaming(
} else {
format!("claude exited: {:?}", status)
};
if let Some(id) = msg_id {
let _ = bot
.edit_message_text(chat_id, id, format!("[error] {err_detail}"))
.await;
if !use_draft {
if let Some(id) = msg_id {
let _ = bot
.edit_message_text(chat_id, id, format!("[error] {err_detail}"))
.await;
}
}
anyhow::bail!("{err_detail}");
}
@@ -588,18 +650,18 @@ async fn run_claude_streaming(
return Ok(final_result);
}
// final update: replace streaming message with complete result
// final result: send as real message(s) — draft auto-disappears
let chunks: Vec<&str> = split_msg(&final_result, TG_MSG_LIMIT);
if let Some(id) = msg_id {
// edit first message with final text
if !use_draft && msg_id.is_some() {
// edit mode: replace streaming message with final text
let id = msg_id.unwrap();
let _ = bot.edit_message_text(chat_id, id, chunks[0]).await;
// send remaining chunks as new messages
for chunk in &chunks[1..] {
let _ = bot.send_message(chat_id, *chunk).await;
}
} else {
// never got to send a streaming message, send all now
// draft mode or no existing message: sendMessage replaces the draft
for chunk in &chunks {
let _ = bot.send_message(chat_id, *chunk).await;
}