1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
//! Streaming progress-event state machine for the Telegram handler
//! (#1086 seam 3). Owns the placeholder-edit lifecycle driven by agent
//! progress events; extracted verbatim from `handle_message`.
use std::sync::Arc;
use teloxide::Bot;
use teloxide::types::{ChatAction, ChatId, ThreadId};
use super::flow::{
COMPACTING_HEADER_TEXT, DisplayItem, StreamingState, ToolMsg, compacted_flow_line,
compacting_flow_line, detach_flow_for_followup,
};
use super::handler::tool_context;
use super::send::fire_chat_action;
use crate::brain::agent::{ProgressCallback, ProgressEvent};
use crate::config::Config;
#[allow(clippy::too_many_arguments)]
pub(crate) fn build_progress_cb(
streaming: &Arc<std::sync::Mutex<StreamingState>>,
bot: &Bot,
chat_id: ChatId,
thread_id: Option<ThreadId>,
) -> ProgressCallback {
let st = streaming.clone();
let bot_typing = bot.clone();
let chat_typing = chat_id;
Arc::new(move |_sid, event| {
// The typing pinger upstream refreshes on a timer; a compaction entry
// fires an immediate one so the indicator visibly resets the moment
// compaction starts rather than looking stalled through the silent
// window (#29). It is the only chat-side effect in this mapping, so it
// stays in the Telegram callback: a caller with no chat to ping (a
// guest reply, where the bot is not a member of the chat and cannot
// type at all) still wants the state below and nothing else.
if matches!(event, ProgressEvent::Compacting { .. }) {
let bot = bot_typing.clone();
let chat = chat_typing;
tokio::spawn(async move {
fire_chat_action(
&bot,
chat,
thread_id,
ChatAction::Typing,
"compacting typing refresh",
)
.await;
});
}
apply_progress_event(&st, event);
})
}
/// Fold one progress event into a turn's state.
///
/// Every surface that shows a turn reads the same [`StreamingState`], so the
/// event-to-state mapping lives here once. A caller that renders the state on
/// a different surface (a guest reply edited through `inline_message_id`)
/// gets the same lines, counters and clocks instead of a second copy of this
/// match that drifts from it.
pub(crate) fn apply_progress_event(
st: &Arc<std::sync::Mutex<StreamingState>>,
event: ProgressEvent,
) {
match event {
// Auto-compaction produces zero streaming chunks for 10-60s.
// The 4s typing pinger upstream stays alive, but fire an
// immediate refresh on entry so the indicator visibly resets
// the moment compaction starts (#29). The start line also lands
// in the flow body so the silent window has a visible
// explanation: a fill level, not a progress bar.
ProgressEvent::Compacting {
usage_pct,
predicted,
} => {
if let Ok(mut s) = st.lock() {
// The whole compaction surface is opt-in chrome (#1686),
// header pin included. Leaving the pin ungated was
// justified by a staleness worry that does not exist:
// tick_flow_header advances flow_status from
// turn_started_at outside the `compacting` branch, so the
// clock keeps counting through the silent window and the
// header keeps its last real preview. With the flag off
// the pin is never set, so a compaction leaves no trace on
// the block at all. The CompactionSummary arm's lift stays
// unconditional, so a flag flip mid-window cannot strand
// a pin.
if Config::current().agent.compaction_notice {
s.compacting = true;
s.header_preview = Some(COMPACTING_HEADER_TEXT.to_string());
s.display_queue
.push(DisplayItem::Intermediate(compacting_flow_line(
usage_pct, predicted,
)));
}
}
}
ProgressEvent::ReasoningChunk { text } => {
if let Ok(mut s) = st.lock() {
s.thinking.push_str(&text);
s.dirty = true;
}
}
ProgressEvent::StreamingChunk { text } => {
if let Ok(mut s) = st.lock() {
if !s.thinking.is_empty() {
s.thinking.clear();
}
s.response.push_str(&text);
s.dirty = true;
s.processing = false; // first real text = stop rolling messages
}
}
ProgressEvent::ToolStarted {
tool_name,
tool_input,
..
} => {
if let Ok(mut s) = st.lock() {
s.thinking.clear();
if s.tools_started_at.is_none() {
s.tools_started_at = Some(std::time::Instant::now());
}
let ctx = tool_context(&tool_name, &tool_input);
let raw_ctx = crate::utils::tool_status_source(&tool_name, &tool_input);
let idx = s.tool_msgs.len();
s.tool_msgs.push(ToolMsg {
msg_id: None,
name: tool_name,
context: ctx,
raw_context: raw_ctx,
completed: None,
dirty: true,
});
s.display_queue.push(DisplayItem::NewTool(idx));
}
}
ProgressEvent::ToolCompleted {
tool_name, success, ..
} => {
if let Ok(mut s) = st.lock() {
s.tool_round_count += 1;
if let Some(tool) = s
.tool_msgs
.iter_mut()
.rev()
.find(|t| t.name == tool_name && t.completed.is_none())
{
tool.completed = Some(success);
tool.dirty = true;
}
// No recreate here (#299): a completion only edits the
// open group block in place — nothing new lands below
// the placeholder. The re-post happens where a message
// is actually SENT (fresh group in append_tool_group,
// and the IntermediateText arm below).
}
}
ProgressEvent::QueuedUserMessage { .. } => {
// The user's own message is already visible in the chat;
// the block just has to stop growing above it (#404).
detach_flow_for_followup(st);
}
ProgressEvent::IntermediateText { text, reasoning: _ } => {
if let Ok(mut s) = st.lock() {
s.thinking.clear();
// Clear accumulated streaming response — it's now captured
// as an intermediate message. Without this, text from
// consecutive tool rounds gets concatenated without spacing.
s.response.clear();
// Delete the streaming message so stale text doesn't linger
if s.msg_id.is_some() {
s.recreate = true;
}
// Never push reasoning as a standalone intermediate — it
// belongs in the streaming response's 💭 thinking block.
// Using reasoning as a fallback here causes duplicate
// messages on Telegram (reasoning intermediate + final
// response that doesn't contain the reasoning text, so
// dedup can't strip it).
if !text.is_empty() {
s.display_queue.push(DisplayItem::Intermediate(text));
}
}
}
ProgressEvent::SelfHealingAlert { message } => {
if let Ok(mut s) = st.lock() {
s.display_queue.push(DisplayItem::System(format!(
"🔧 {}",
crate::utils::sanitize::normalize_dashes(&message)
)));
}
}
ProgressEvent::RetryAttempt {
attempt,
max,
reason,
} => {
if let Ok(mut s) = st.lock() {
s.display_queue.push(DisplayItem::System(format!(
"⏳ Retry {}/{} — {}",
attempt, max, reason
)));
}
}
ProgressEvent::ProviderSwitched {
to_name, to_model, ..
} => {
if let Ok(mut s) = st.lock() {
s.display_queue.push(DisplayItem::System(format!(
"🔄 Now using {}/{}",
to_name, to_model
)));
}
}
// Optional follow-up suggestions (#597): post tap-to-send
// buttons under the response. Non-blocking — spawned like the
// other async arms; a tap injects the suggestion as a new turn.
ProgressEvent::SuggestedOptions(options) => {
// Buffer the options and render AFTER the final delivery so the
// buttons are always the last thing in the chat, and the stash
// is set fresh at turn end (#724 / #723). Only the latest set
// is kept if the tool fires more than once.
if let Ok(mut s) = st.lock() {
s.pending_suggestions = Some(options);
}
}
// Compaction finished — the ✅ line is the definitive "silent
// window over" signal (#29). Arrival means success: a failed
// compaction never emits this event, so no false receipts.
ProgressEvent::CompactionSummary {
before_pct,
after_pct,
elapsed,
..
} => {
if let Ok(mut s) = st.lock() {
// Lift the header pin FIRST so the next tick recomputes
// from live data; the ✅ line leads the body until newer
// activity arrives (#29).
s.compacting = false;
s.header_preview = None;
// Lifting the pin stays unconditional while setting it is
// gated (#1686): set-gated / lift-ungated means a flag flip
// inside the compaction window can never strand a pin that
// nothing will clear. The lift is what lets the next tick
// recompute the header from live data.
if Config::current().agent.compaction_notice {
s.display_queue
.push(DisplayItem::Intermediate(compacted_flow_line(
before_pct, after_pct, elapsed,
)));
}
}
}
_ => {}
}
}