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tui: add pod list model

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This commit is contained in:
Keisuke Hirata 2026-05-29 00:33:57 +09:00
parent 26d8a5d9be
commit 35b13a98df
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3 changed files with 901 additions and 530 deletions
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1
crates/tui/src/main.rs
View File

@ -5,6 +5,7 @@ mod command;
mod input;
mod markdown;
mod picker;
mod pod_list;
mod scroll;
mod spawn;
mod task;

597
crates/tui/src/picker.rs
View File

@ -4,15 +4,11 @@
//! from the session store's name-keyed metadata. Picking a live row attaches to
//! its socket; picking a stopped row restores via `pod --pod <name>`.
use std::collections::{BTreeMap, HashMap};
use std::fs;
use std::io;
use std::path::{Path, PathBuf};
use std::path::PathBuf;
use std::time::Duration;
use client::PodClient;
use crossterm::event::{self, Event as TermEvent, KeyCode, KeyEventKind, KeyModifiers};
use pod_registry::{LockFileGuard, default_registry_path};
use ratatui::Terminal;
use ratatui::backend::CrosstermBackend;
use ratatui::layout::{Constraint, Layout};
@ -20,8 +16,12 @@ use ratatui::style::{Color, Modifier, Style};
use ratatui::text::{Line, Span};
use ratatui::widgets::Paragraph;
use ratatui::{Frame, TerminalOptions, Viewport};
use session_store::{
FsStore, LogEntry, LoggedContentPart, LoggedItem, PodMetadata, SegmentId, SessionId, Store,
use session_store::FsStore;
use crate::pod_list::{
PodList, PodListEntry, PodVisibilitySource, StoredMetadataState,
live_socket_for_pod as pod_list_live_socket_for_pod, read_reachable_live_pod_infos,
read_stored_pod_infos,
};
const MAX_ROWS: usize = 10;
@ -99,62 +99,45 @@ impl PodRowState {
}
}
/// One row in the Pod picker. The primary key is the Pod name; Session/Segment
/// IDs are included only as debug context.
#[derive(Debug, Clone)]
struct Row {
pod_name: String,
state: PodRowState,
updated_at: u64,
active_session_id: Option<SessionId>,
active_segment_id: Option<SegmentId>,
preview: Option<String>,
socket_path: Option<PathBuf>,
}
#[derive(Debug)]
struct PodStateRecord {
pod_name: String,
state: Result<PodMetadata, String>,
}
#[derive(Debug, Clone)]
pub(crate) struct LivePodRecord {
pub pod_name: String,
pub socket_path: PathBuf,
pub segment_id: Option<SegmentId>,
}
pub async fn run() -> Result<PickerOutcome, PickerError> {
let store_dir = default_store_dir()?;
let store = FsStore::new(&store_dir)?;
let pod_states = read_pod_state_records(&store_dir)?;
let live_pods = read_reachable_live_pod_records().await.unwrap_or_default();
let rows = build_rows(&store, pod_states, live_pods)?;
if rows.is_empty() {
let stored_pods = read_stored_pod_infos(&store_dir, &store)?;
let live_pods = read_reachable_live_pod_infos(&store)
.await
.unwrap_or_default();
let mut list = PodList::from_sources(
PodVisibilitySource::ResumePicker,
stored_pods,
live_pods,
None,
MAX_ROWS,
);
if list.entries.is_empty() {
return Err(PickerError::NoPods);
}
let mut selected = 0usize;
let mut terminal = make_inline_terminal()?;
loop {
terminal.draw(|f| draw(f, &rows, selected))?;
terminal.draw(|f| draw(f, &list))?;
match poll_event()? {
None => continue,
Some(Action::Up) => {
selected = selected.saturating_sub(1);
let selected = list.selected_index().saturating_sub(1);
list.select_index(selected);
}
Some(Action::Down) => {
if selected + 1 < rows.len() {
selected += 1;
let selected = list.selected_index();
if selected + 1 < list.entries.len() {
list.select_index(selected + 1);
}
}
Some(Action::Submit) => {
close_viewport(&mut terminal)?;
let row = &rows[selected];
let entry = list.selected_entry().expect("non-empty pod list");
return Ok(PickerOutcome::Picked {
pod_name: row.pod_name.clone(),
socket_override: row.socket_path.clone(),
pod_name: entry.name.clone(),
socket_override: entry.attach_socket_path().map(PathBuf::from),
});
}
Some(Action::Cancel) => {
@ -189,288 +172,8 @@ fn default_store_dir() -> Result<PathBuf, PickerError> {
})
}
fn read_pod_state_records(store_dir: &Path) -> Result<Vec<PodStateRecord>, PickerError> {
let pods_dir = store_dir.join("pods");
let mut records = Vec::new();
if !pods_dir.exists() {
return Ok(records);
}
for entry in fs::read_dir(pods_dir)? {
let entry = entry?;
if !entry.file_type()?.is_dir() {
continue;
}
let pod_name = entry.file_name().to_string_lossy().to_string();
let path = entry.path().join("metadata.json");
let state = match fs::read_to_string(&path) {
Ok(content) => serde_json::from_str::<PodMetadata>(&content).map_err(|e| e.to_string()),
Err(e) => Err(e.to_string()),
};
records.push(PodStateRecord { pod_name, state });
}
Ok(records)
}
fn read_live_pod_records() -> Result<Vec<LivePodRecord>, io::Error> {
let path = default_registry_path()?;
let guard = LockFileGuard::open(&path)?;
Ok(guard
.data()
.allocations
.iter()
.map(|allocation| LivePodRecord {
pod_name: allocation.pod_name.clone(),
socket_path: allocation.socket.clone(),
segment_id: allocation.segment_id,
})
.collect())
}
async fn read_reachable_live_pod_records() -> Result<Vec<LivePodRecord>, io::Error> {
let records = read_live_pod_records()?;
let mut reachable = Vec::new();
for record in records {
if PodClient::connect(&record.socket_path).await.is_ok() {
reachable.push(record);
}
}
Ok(reachable)
}
pub(crate) fn live_socket_for_pod(pod_name: &str) -> Option<PathBuf> {
read_live_pod_records()
.ok()?
.into_iter()
.find(|pod| pod.pod_name == pod_name)
.map(|pod| pod.socket_path)
}
fn build_rows(
store: &FsStore,
pod_states: Vec<PodStateRecord>,
live_pods: Vec<LivePodRecord>,
) -> Result<Vec<Row>, PickerError> {
let mut rows_by_name: BTreeMap<String, Row> = BTreeMap::new();
let mut live_by_name: HashMap<String, LivePodRecord> = HashMap::new();
for live in live_pods {
let (active_session_id, active_segment_id, updated_at, preview) =
summarize_live_pod(store, &live);
rows_by_name.insert(
live.pod_name.clone(),
Row {
pod_name: live.pod_name.clone(),
state: PodRowState::Live,
updated_at,
active_session_id,
active_segment_id,
preview,
socket_path: Some(live.socket_path.clone()),
},
);
live_by_name.insert(live.pod_name.clone(), live);
}
for record in pod_states {
match record.state {
Ok(metadata) => {
let summary = summarize_metadata(store, &metadata);
let state = if live_by_name.contains_key(&record.pod_name) {
PodRowState::Live
} else {
PodRowState::Stopped
};
upsert_metadata_row(&mut rows_by_name, record.pod_name, metadata, summary, state);
}
Err(message) => {
rows_by_name.entry(record.pod_name.clone()).or_insert(Row {
pod_name: record.pod_name,
state: PodRowState::Corrupt,
updated_at: 0,
active_session_id: None,
active_segment_id: None,
preview: Some(format!("metadata: {}", trim_one_line(&message, 48))),
socket_path: None,
});
}
}
}
let mut rows: Vec<Row> = rows_by_name.into_values().collect();
rows.sort_by(|a, b| {
b.updated_at
.cmp(&a.updated_at)
.then_with(|| a.pod_name.cmp(&b.pod_name))
});
rows.truncate(MAX_ROWS);
Ok(rows)
}
fn upsert_metadata_row(
rows_by_name: &mut BTreeMap<String, Row>,
pod_name: String,
metadata: PodMetadata,
summary: SegmentSummary,
state: PodRowState,
) {
let active = metadata.active;
let active_session_id = active.as_ref().map(|a| a.session_id);
let active_segment_id = active.as_ref().and_then(|a| a.segment_id);
match rows_by_name.get_mut(&pod_name) {
Some(existing) => {
existing.state = state;
if summary.updated_at > existing.updated_at {
existing.updated_at = summary.updated_at;
}
if existing.active_session_id.is_none() {
existing.active_session_id = active_session_id;
}
if existing.active_segment_id.is_none() {
existing.active_segment_id = active_segment_id;
}
if existing.preview.is_none() {
existing.preview = summary.preview;
}
}
None => {
rows_by_name.insert(
pod_name.clone(),
Row {
pod_name,
state,
updated_at: summary.updated_at,
active_session_id,
active_segment_id,
preview: summary.preview,
socket_path: None,
},
);
}
}
}
#[derive(Debug, Clone)]
struct SegmentSummary {
updated_at: u64,
preview: Option<String>,
}
fn summarize_live_pod(
store: &FsStore,
live: &LivePodRecord,
) -> (Option<SessionId>, Option<SegmentId>, u64, Option<String>) {
let Some(segment_id) = live.segment_id else {
return (None, None, 0, None);
};
let session_id = store.lookup_session_of(segment_id).ok().flatten();
let Some(session_id) = session_id else {
return (None, Some(segment_id), 0, None);
};
let summary = summarize_segment(store, session_id, segment_id);
(
Some(session_id),
Some(segment_id),
summary.updated_at,
summary.preview,
)
}
fn summarize_metadata(store: &FsStore, metadata: &PodMetadata) -> SegmentSummary {
let Some(active) = metadata.active.as_ref() else {
return SegmentSummary {
updated_at: 0,
preview: None,
};
};
let Some(segment_id) = active.segment_id else {
return SegmentSummary {
updated_at: 0,
preview: Some("[pending segment]".to_string()),
};
};
summarize_segment(store, active.session_id, segment_id)
}
fn summarize_segment(
store: &FsStore,
session_id: SessionId,
segment_id: SegmentId,
) -> SegmentSummary {
match store.read_all(session_id, segment_id) {
Ok(entries) => SegmentSummary {
updated_at: last_entry_ts(&entries).unwrap_or(0),
preview: last_message_preview(&entries).or_else(|| Some("[empty]".to_string())),
},
Err(_) => SegmentSummary {
updated_at: 0,
preview: Some("[corrupt segment]".to_string()),
},
}
}
fn last_entry_ts(entries: &[LogEntry]) -> Option<u64> {
entries.iter().map(log_entry_ts).max()
}
fn log_entry_ts(entry: &LogEntry) -> u64 {
match entry {
LogEntry::SegmentStart { ts, .. }
| LogEntry::Invoke { ts, .. }
| LogEntry::UserInput { ts, .. }
| LogEntry::AssistantItem { ts, .. }
| LogEntry::ToolResult { ts, .. }
| LogEntry::SystemItem { ts, .. }
| LogEntry::TurnEnd { ts, .. }
| LogEntry::RunCompleted { ts, .. }
| LogEntry::RunErrored { ts, .. }
| LogEntry::ConfigChanged { ts, .. }
| LogEntry::LlmUsage { ts, .. }
| LogEntry::Extension { ts, .. } => *ts,
}
}
/// Walk the log from the tail looking for the most recent user-message or
/// assistant-message entry, then render its first text fragment in a single line.
fn last_message_preview(entries: &[LogEntry]) -> Option<String> {
for entry in entries.iter().rev() {
match entry {
LogEntry::UserInput { segments, .. } => {
let text = protocol::Segment::flatten_to_text(segments);
if !text.is_empty() {
return Some(format!("user: {}", trim_one_line(&text, 60)));
}
}
LogEntry::AssistantItem { item, .. } => {
if let Some(text) = first_text_logged(item) {
return Some(format!("assistant: {}", trim_one_line(&text, 60)));
}
}
_ => {}
}
}
None
}
fn first_text_logged(item: &LoggedItem) -> Option<String> {
match item {
LoggedItem::Message { content, .. } => content.iter().find_map(|p| match p {
LoggedContentPart::Text { text } => Some(text.clone()),
_ => None,
}),
_ => None,
}
}
fn trim_one_line(s: &str, max_chars: usize) -> String {
let collapsed: String = s.chars().map(|c| if c == '\n' { ' ' } else { c }).collect();
if collapsed.chars().count() <= max_chars {
collapsed
} else {
let truncated: String = collapsed.chars().take(max_chars - 1).collect();
format!("{truncated}…")
}
pod_list_live_socket_for_pod(pod_name)
}
fn make_inline_terminal() -> io::Result<Terminal<CrosstermBackend<io::Stdout>>> {
@ -512,11 +215,11 @@ fn poll_event() -> io::Result<Option<Action>> {
}
}
fn draw(f: &mut Frame<'_>, rows: &[Row], selected: usize) {
fn draw(f: &mut Frame<'_>, list: &PodList) {
let area = f.area();
let mut constraints: Vec<Constraint> = Vec::with_capacity(rows.len() + 3);
let mut constraints: Vec<Constraint> = Vec::with_capacity(list.entries.len() + 3);
constraints.push(Constraint::Length(1)); // title
for _ in rows {
for _ in &list.entries {
constraints.push(Constraint::Length(1));
}
constraints.push(Constraint::Length(1)); // hint
@ -531,8 +234,12 @@ fn draw(f: &mut Frame<'_>, rows: &[Row], selected: usize) {
layout[0],
);
for (i, row) in rows.iter().enumerate() {
f.render_widget(Paragraph::new(row_line(row, i == selected)), layout[i + 1]);
let selected = list.selected_index();
for (i, entry) in list.entries.iter().enumerate() {
f.render_widget(
Paragraph::new(row_line(entry, i == selected)),
layout[i + 1],
);
}
f.render_widget(
@ -545,7 +252,7 @@ fn draw(f: &mut Frame<'_>, rows: &[Row], selected: usize) {
Span::styled("[esc]", Style::default().fg(Color::Yellow)),
Span::raw(" cancel"),
])),
layout[rows.len() + 1],
layout[list.entries.len() + 1],
);
}
@ -553,7 +260,7 @@ fn picker_title() -> &'static str {
"resume pod pick a pod"
}
fn row_line(row: &Row, selected: bool) -> Line<'_> {
fn row_line(entry: &PodListEntry, selected: bool) -> Line<'_> {
let marker = if selected { "▶ " } else { " " };
let name_style = if selected {
Style::default()
@ -567,27 +274,44 @@ fn row_line(row: &Row, selected: bool) -> Line<'_> {
} else {
Style::default().fg(Color::DarkGray)
};
let state = row_state(entry);
let _visibility = entry.visibility;
let _source_kinds = &entry.source_kinds;
let mut spans = vec![
Span::raw(marker),
Span::styled(row.pod_name.as_str(), name_style),
Span::styled(entry.name.as_str(), name_style),
Span::raw(" "),
Span::styled(format!("[{}]", row.state.label()), row.state.style()),
Span::styled(format!("[{}]", state.label()), state.style()),
Span::raw(" "),
Span::styled(
format_updated_at(row.updated_at),
format_updated_at(entry.summary.updated_at),
Style::default().fg(Color::DarkGray),
),
Span::raw(" "),
Span::styled(debug_ids(row), Style::default().fg(Color::DarkGray)),
Span::styled(debug_ids(entry), Style::default().fg(Color::DarkGray)),
];
if let Some(preview) = row.preview.as_ref() {
if let Some(preview) = entry.summary.preview.as_ref() {
spans.push(Span::raw(" "));
spans.push(Span::styled(preview.as_str(), preview_style));
}
Line::from(spans)
}
fn row_state(entry: &PodListEntry) -> PodRowState {
if entry.live.as_ref().is_some_and(|live| live.reachable) {
return PodRowState::Live;
}
if entry
.stored
.as_ref()
.is_some_and(|stored| matches!(stored.metadata_state, StoredMetadataState::Corrupt(_)))
{
return PodRowState::Corrupt;
}
PodRowState::Stopped
}
fn format_updated_at(updated_at: u64) -> String {
if updated_at == 0 {
"updated: —".to_string()
@ -596,12 +320,14 @@ fn format_updated_at(updated_at: u64) -> String {
}
}
fn debug_ids(row: &Row) -> String {
let session = row
fn debug_ids(entry: &PodListEntry) -> String {
let session = entry
.summary
.active_session_id
.map(short_id)
.unwrap_or_else(|| "--------".to_string());
let segment = row
let segment = entry
.summary
.active_segment_id
.map(short_id)
.unwrap_or_else(|| "--------".to_string());
@ -615,198 +341,9 @@ fn short_id<T: ToString>(id: T) -> String {
#[cfg(test)]
mod tests {
use super::*;
use llm_worker::llm_client::types::RequestConfig;
use session_store::{PodActiveSegmentRef, PodMetadataStore, new_segment_id, new_session_id};
use tempfile::tempdir;
#[test]
fn pod_rows_are_sorted_by_active_segment_timestamp() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let earlier_session = new_session_id();
let later_session = new_session_id();
let earlier_segment = new_segment_id();
let later_segment = new_segment_id();
append_start(&store, earlier_session, earlier_segment, 10);
append_user(
&store,
earlier_session,
earlier_segment,
100,
"old pod update",
);
append_start(&store, later_session, later_segment, 20);
append_user(&store, later_session, later_segment, 200, "new pod update");
let records = vec![
metadata_record("older", earlier_session, earlier_segment),
metadata_record("newer", later_session, later_segment),
];
let rows = build_rows(&store, records, vec![]).unwrap();
assert_eq!(rows[0].pod_name, "newer");
assert_eq!(rows[0].state, PodRowState::Stopped);
assert_eq!(rows[0].updated_at, 200);
assert_eq!(rows[0].preview.as_deref(), Some("user: new pod update"));
assert_eq!(rows[1].pod_name, "older");
}
#[test]
fn pod_rows_include_live_and_stopped_pods() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let stopped_session = new_session_id();
let stopped_segment = new_segment_id();
let live_session = new_session_id();
let live_segment = new_segment_id();
append_start(&store, stopped_session, stopped_segment, 10);
append_user(
&store,
stopped_session,
stopped_segment,
50,
"stopped preview",
);
append_start(&store, live_session, live_segment, 20);
append_user(&store, live_session, live_segment, 70, "live preview");
let rows = build_rows(
&store,
vec![metadata_record("stopped", stopped_session, stopped_segment)],
vec![LivePodRecord {
pod_name: "live".to_string(),
socket_path: PathBuf::from("/tmp/live.sock"),
segment_id: Some(live_segment),
}],
)
.unwrap();
let live = rows.iter().find(|row| row.pod_name == "live").unwrap();
assert_eq!(live.state, PodRowState::Live);
assert_eq!(live.active_session_id, Some(live_session));
assert_eq!(
live.socket_path.as_deref(),
Some(Path::new("/tmp/live.sock"))
);
let stopped = rows.iter().find(|row| row.pod_name == "stopped").unwrap();
assert_eq!(stopped.state, PodRowState::Stopped);
assert_eq!(stopped.socket_path, None);
}
#[test]
fn corrupt_pod_state_is_rendered_as_corrupt_row() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let rows = build_rows(
&store,
vec![PodStateRecord {
pod_name: "broken".to_string(),
state: Err("expected value".to_string()),
}],
vec![],
)
.unwrap();
assert_eq!(rows.len(), 1);
assert_eq!(rows[0].pod_name, "broken");
assert_eq!(rows[0].state, PodRowState::Corrupt);
assert!(
rows[0]
.preview
.as_deref()
.unwrap()
.contains("expected value")
);
}
#[test]
fn picker_title_names_pods_not_sessions() {
assert_eq!(picker_title(), "resume pod pick a pod");
}
fn metadata_record(
pod_name: &str,
session_id: SessionId,
segment_id: SegmentId,
) -> PodStateRecord {
PodStateRecord {
pod_name: pod_name.to_string(),
state: Ok(PodMetadata::new(
pod_name,
Some(PodActiveSegmentRef::active_segment(session_id, segment_id)),
)),
}
}
fn append_start(store: &FsStore, session_id: SessionId, segment_id: SegmentId, ts: u64) {
store
.append(
session_id,
segment_id,
&LogEntry::SegmentStart {
ts,
session_id,
system_prompt: None,
config: RequestConfig::default(),
history: vec![],
forked_from: None,
compacted_from: None,
},
)
.unwrap();
}
fn append_user(
store: &FsStore,
session_id: SessionId,
segment_id: SegmentId,
ts: u64,
text: &str,
) {
store
.append(
session_id,
segment_id,
&LogEntry::UserInput {
ts,
segments: vec![protocol::Segment::text(text)],
},
)
.unwrap();
}
#[test]
fn read_pod_state_records_reports_corrupt_metadata() {
let dir = tempdir().unwrap();
let pod_dir = dir.path().join("pods").join("broken");
fs::create_dir_all(&pod_dir).unwrap();
fs::write(pod_dir.join("metadata.json"), "{not-json").unwrap();
let records = read_pod_state_records(dir.path()).unwrap();
assert_eq!(records.len(), 1);
assert_eq!(records[0].pod_name, "broken");
assert!(records[0].state.is_err());
}
#[test]
fn read_pod_state_records_reads_metadata() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let session_id = new_session_id();
let segment_id = new_segment_id();
store
.write(&PodMetadata::new(
"agent",
Some(PodActiveSegmentRef::active_segment(session_id, segment_id)),
))
.unwrap();
let records = read_pod_state_records(dir.path()).unwrap();
assert_eq!(records.len(), 1);
assert_eq!(records[0].pod_name, "agent");
assert!(records[0].state.is_ok());
}
}

833
crates/tui/src/pod_list.rs Normal file
View File

@ -0,0 +1,833 @@
use std::collections::BTreeMap;
use std::fs;
use std::io;
use std::path::{Path, PathBuf};
use std::time::Duration;
use client::PodClient;
use pod_registry::{LockFileGuard, default_registry_path};
use protocol::{Event, PodStatus};
use session_store::{
FsStore, LogEntry, LoggedContentPart, LoggedItem, PodMetadata, SegmentId, SessionId, Store,
};
#[derive(Debug, Clone)]
pub(crate) struct PodList {
pub entries: Vec<PodListEntry>,
pub selected_name: Option<String>,
}
impl PodList {
pub(crate) fn from_sources(
source: PodVisibilitySource,
stored: Vec<StoredPodInfo>,
live: Vec<LivePodInfo>,
selected_name: Option<String>,
max_entries: usize,
) -> Self {
let mut entries_by_name: BTreeMap<String, PodListEntry> = BTreeMap::new();
for live_info in live {
let name = live_info.pod_name.clone();
entries_by_name
.entry(name.clone())
.or_insert_with(|| PodListEntry::new(name, source))
.merge_live(live_info);
}
for stored_info in stored {
let name = stored_info.pod_name.clone();
entries_by_name
.entry(name.clone())
.or_insert_with(|| PodListEntry::new(name, source))
.merge_stored(stored_info);
}
let mut entries: Vec<PodListEntry> = entries_by_name.into_values().collect();
for entry in &mut entries {
entry.finalize();
}
entries.sort_by(|a, b| {
b.summary
.updated_at
.cmp(&a.summary.updated_at)
.then_with(|| a.name.cmp(&b.name))
});
entries.truncate(max_entries);
let selected_name = selected_name
.filter(|name| entries.iter().any(|entry| entry.name == *name))
.or_else(|| entries.first().map(|entry| entry.name.clone()));
Self {
entries,
selected_name,
}
}
pub(crate) fn selected_index(&self) -> usize {
self.selected_name
.as_ref()
.and_then(|name| self.entries.iter().position(|entry| entry.name == *name))
.unwrap_or(0)
}
pub(crate) fn select_index(&mut self, index: usize) {
self.selected_name = self.entries.get(index).map(|entry| entry.name.clone());
}
pub(crate) fn selected_entry(&self) -> Option<&PodListEntry> {
let index = self.selected_index();
self.entries.get(index)
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub(crate) enum PodVisibilitySource {
ResumePicker,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub(crate) enum PodListSourceKind {
RuntimeRegistry,
StoredMetadata,
}
#[derive(Debug, Clone)]
pub(crate) struct PodListEntry {
pub name: String,
pub visibility: PodVisibilitySource,
pub source_kinds: Vec<PodListSourceKind>,
pub live: Option<LivePodInfo>,
pub stored: Option<StoredPodInfo>,
pub summary: PodEntrySummary,
pub actions: PodEntryActions,
pub diagnostics: Vec<PodEntryDiagnostic>,
}
impl PodListEntry {
fn new(name: String, visibility: PodVisibilitySource) -> Self {
Self {
name,
visibility,
source_kinds: Vec::new(),
live: None,
stored: None,
summary: PodEntrySummary::default(),
actions: PodEntryActions::default(),
diagnostics: Vec::new(),
}
}
fn merge_live(&mut self, live: LivePodInfo) {
if !self
.source_kinds
.contains(&PodListSourceKind::RuntimeRegistry)
{
self.source_kinds.push(PodListSourceKind::RuntimeRegistry);
}
if live.summary.updated_at > self.summary.updated_at {
self.summary.updated_at = live.summary.updated_at;
}
if self.summary.active_session_id.is_none() {
self.summary.active_session_id = live.summary.active_session_id;
}
if self.summary.active_segment_id.is_none() {
self.summary.active_segment_id = live.summary.active_segment_id.or(live.segment_id);
}
if self.summary.preview.is_none() {
self.summary.preview = live.summary.preview.clone();
}
self.live = Some(live);
}
fn merge_stored(&mut self, stored: StoredPodInfo) {
if !self
.source_kinds
.contains(&PodListSourceKind::StoredMetadata)
{
self.source_kinds.push(PodListSourceKind::StoredMetadata);
}
if stored.updated_at > self.summary.updated_at {
self.summary.updated_at = stored.updated_at;
}
if self.summary.active_session_id.is_none() {
self.summary.active_session_id = stored.active_session_id;
}
if self.summary.active_segment_id.is_none() {
self.summary.active_segment_id = stored.active_segment_id;
}
if self.summary.preview.is_none() {
self.summary.preview = stored.preview.clone();
}
self.stored = Some(stored);
}
fn finalize(&mut self) {
self.diagnostics = build_diagnostics(self);
self.actions = build_actions(self);
}
pub(crate) fn attach_socket_path(&self) -> Option<&Path> {
self.live
.as_ref()
.filter(|live| live.reachable)
.map(|live| live.socket_path.as_path())
}
}
#[derive(Debug, Clone)]
pub(crate) struct LivePodInfo {
pub pod_name: String,
pub socket_path: PathBuf,
pub status: Option<PodStatus>,
pub reachable: bool,
pub segment_id: Option<SegmentId>,
pub summary: PodEntrySummary,
}
#[derive(Debug, Clone)]
pub(crate) struct StoredPodInfo {
pub pod_name: String,
pub metadata_state: StoredMetadataState,
pub active_session_id: Option<SessionId>,
pub active_segment_id: Option<SegmentId>,
pub updated_at: u64,
pub preview: Option<String>,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub(crate) enum StoredMetadataState {
Present,
Corrupt(String),
}
#[derive(Debug, Clone, Default)]
pub(crate) struct PodEntrySummary {
pub active_session_id: Option<SessionId>,
pub active_segment_id: Option<SegmentId>,
pub updated_at: u64,
pub preview: Option<String>,
}
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub(crate) struct PodEntryActions {
pub can_open: bool,
pub can_restore: bool,
pub can_send_now: bool,
pub can_queue_send: bool,
pub disabled_reason: Option<String>,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub(crate) struct PodEntryDiagnostic {
pub kind: PodEntryDiagnosticKind,
pub message: String,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub(crate) enum PodEntryDiagnosticKind {
StoredMetadataCorrupt,
LiveUnreachable,
MissingStoredMetadata,
MissingLiveStatus,
}
pub(crate) fn read_stored_pod_infos(
store_dir: &Path,
store: &FsStore,
) -> Result<Vec<StoredPodInfo>, io::Error> {
let pods_dir = store_dir.join("pods");
let mut records = Vec::new();
if !pods_dir.exists() {
return Ok(records);
}
for entry in fs::read_dir(pods_dir)? {
let entry = entry?;
if !entry.file_type()?.is_dir() {
continue;
}
let pod_name = entry.file_name().to_string_lossy().to_string();
let path = entry.path().join("metadata.json");
let info = match fs::read_to_string(&path) {
Ok(content) => match serde_json::from_str::<PodMetadata>(&content) {
Ok(metadata) => stored_info_from_metadata(store, pod_name, metadata),
Err(e) => corrupt_stored_info(pod_name, e.to_string()),
},
Err(e) => corrupt_stored_info(pod_name, e.to_string()),
};
records.push(info);
}
Ok(records)
}
pub(crate) fn read_live_pod_infos() -> Result<Vec<LivePodInfo>, io::Error> {
let path = default_registry_path()?;
let guard = LockFileGuard::open(&path)?;
Ok(guard
.data()
.allocations
.iter()
.map(|allocation| LivePodInfo {
pod_name: allocation.pod_name.clone(),
socket_path: allocation.socket.clone(),
status: None,
reachable: false,
segment_id: allocation.segment_id,
summary: PodEntrySummary::default(),
})
.collect())
}
pub(crate) async fn read_reachable_live_pod_infos(
store: &FsStore,
) -> Result<Vec<LivePodInfo>, io::Error> {
let records = read_live_pod_infos()?;
let mut reachable = Vec::new();
for mut record in records {
let Ok(status) = probe_live_status(&record.socket_path).await else {
continue;
};
record.reachable = true;
record.status = status;
record.summary = summarize_live_pod(store, &record);
reachable.push(record);
}
Ok(reachable)
}
pub(crate) fn live_socket_for_pod(pod_name: &str) -> Option<PathBuf> {
read_live_pod_infos()
.ok()?
.into_iter()
.find(|pod| pod.pod_name == pod_name)
.map(|pod| pod.socket_path)
}
fn stored_info_from_metadata(
store: &FsStore,
pod_name: String,
metadata: PodMetadata,
) -> StoredPodInfo {
let active = metadata.active;
let active_session_id = active.as_ref().map(|a| a.session_id);
let active_segment_id = active.as_ref().and_then(|a| a.segment_id);
let summary = summarize_metadata(store, active.as_ref());
StoredPodInfo {
pod_name,
metadata_state: StoredMetadataState::Present,
active_session_id,
active_segment_id,
updated_at: summary.updated_at,
preview: summary.preview,
}
}
fn corrupt_stored_info(pod_name: String, message: String) -> StoredPodInfo {
StoredPodInfo {
pod_name,
metadata_state: StoredMetadataState::Corrupt(message.clone()),
active_session_id: None,
active_segment_id: None,
updated_at: 0,
preview: Some(format!("metadata: {}", trim_one_line(&message, 48))),
}
}
async fn probe_live_status(socket_path: &Path) -> Result<Option<PodStatus>, io::Error> {
let mut client = PodClient::connect(socket_path).await?;
let event = tokio::time::timeout(Duration::from_millis(25), client.next_event()).await;
let status = match event {
Ok(Some(Event::Snapshot { status, .. })) | Ok(Some(Event::Status { status })) => {
Some(status)
}
_ => None,
};
Ok(status)
}
#[derive(Debug, Clone)]
struct SegmentSummary {
updated_at: u64,
preview: Option<String>,
}
fn summarize_live_pod(store: &FsStore, live: &LivePodInfo) -> PodEntrySummary {
let Some(segment_id) = live.segment_id else {
return PodEntrySummary::default();
};
let session_id = store.lookup_session_of(segment_id).ok().flatten();
let Some(session_id) = session_id else {
return PodEntrySummary {
active_session_id: None,
active_segment_id: Some(segment_id),
updated_at: 0,
preview: None,
};
};
let summary = summarize_segment(store, session_id, segment_id);
PodEntrySummary {
active_session_id: Some(session_id),
active_segment_id: Some(segment_id),
updated_at: summary.updated_at,
preview: summary.preview,
}
}
fn summarize_metadata(
store: &FsStore,
active: Option<&session_store::PodActiveSegmentRef>,
) -> SegmentSummary {
let Some(active) = active else {
return SegmentSummary {
updated_at: 0,
preview: None,
};
};
let Some(segment_id) = active.segment_id else {
return SegmentSummary {
updated_at: 0,
preview: Some("[pending segment]".to_string()),
};
};
summarize_segment(store, active.session_id, segment_id)
}
fn summarize_segment(
store: &FsStore,
session_id: SessionId,
segment_id: SegmentId,
) -> SegmentSummary {
match store.read_all(session_id, segment_id) {
Ok(entries) => SegmentSummary {
updated_at: last_entry_ts(&entries).unwrap_or(0),
preview: last_message_preview(&entries).or_else(|| Some("[empty]".to_string())),
},
Err(_) => SegmentSummary {
updated_at: 0,
preview: Some("[corrupt segment]".to_string()),
},
}
}
fn last_entry_ts(entries: &[LogEntry]) -> Option<u64> {
entries.iter().map(log_entry_ts).max()
}
fn log_entry_ts(entry: &LogEntry) -> u64 {
match entry {
LogEntry::SegmentStart { ts, .. }
| LogEntry::Invoke { ts, .. }
| LogEntry::UserInput { ts, .. }
| LogEntry::AssistantItem { ts, .. }
| LogEntry::ToolResult { ts, .. }
| LogEntry::SystemItem { ts, .. }
| LogEntry::TurnEnd { ts, .. }
| LogEntry::RunCompleted { ts, .. }
| LogEntry::RunErrored { ts, .. }
| LogEntry::ConfigChanged { ts, .. }
| LogEntry::LlmUsage { ts, .. }
| LogEntry::Extension { ts, .. } => *ts,
}
}
fn last_message_preview(entries: &[LogEntry]) -> Option<String> {
for entry in entries.iter().rev() {
match entry {
LogEntry::UserInput { segments, .. } => {
let text = protocol::Segment::flatten_to_text(segments);
if !text.is_empty() {
return Some(format!("user: {}", trim_one_line(&text, 60)));
}
}
LogEntry::AssistantItem { item, .. } => {
if let Some(text) = first_text_logged(item) {
return Some(format!("assistant: {}", trim_one_line(&text, 60)));
}
}
_ => {}
}
}
None
}
fn first_text_logged(item: &LoggedItem) -> Option<String> {
match item {
LoggedItem::Message { content, .. } => content.iter().find_map(|p| match p {
LoggedContentPart::Text { text } => Some(text.clone()),
_ => None,
}),
_ => None,
}
}
fn build_diagnostics(entry: &PodListEntry) -> Vec<PodEntryDiagnostic> {
let mut diagnostics = Vec::new();
if let Some(stored) = entry.stored.as_ref() {
if let StoredMetadataState::Corrupt(message) = &stored.metadata_state {
diagnostics.push(PodEntryDiagnostic {
kind: PodEntryDiagnosticKind::StoredMetadataCorrupt,
message: format!("metadata: {}", trim_one_line(message, 80)),
});
}
} else if entry.live.is_some() {
diagnostics.push(PodEntryDiagnostic {
kind: PodEntryDiagnosticKind::MissingStoredMetadata,
message: "no stored pod metadata".to_string(),
});
}
if let Some(live) = entry.live.as_ref() {
if !live.reachable {
diagnostics.push(PodEntryDiagnostic {
kind: PodEntryDiagnosticKind::LiveUnreachable,
message: format!("socket unreachable: {}", live.socket_path.display()),
});
} else if live.status.is_none() {
diagnostics.push(PodEntryDiagnostic {
kind: PodEntryDiagnosticKind::MissingLiveStatus,
message: "live pod status was not reported".to_string(),
});
}
}
diagnostics
}
fn build_actions(entry: &PodListEntry) -> PodEntryActions {
let live_reachable = entry.live.as_ref().is_some_and(|live| live.reachable);
let stored_restorable = entry
.stored
.as_ref()
.is_some_and(|stored| matches!(stored.metadata_state, StoredMetadataState::Present));
let live_status = entry.live.as_ref().and_then(|live| live.status);
let can_restore = stored_restorable && !live_reachable;
let can_open = live_reachable || stored_restorable;
let can_send_now = live_reachable && live_status == Some(PodStatus::Idle);
let can_queue_send = live_reachable && live_status == Some(PodStatus::Running);
let disabled_reason = if can_open {
None
} else if entry.live.is_some() {
Some("live pod is unreachable".to_string())
} else if entry.stored.is_some() {
Some("stored pod metadata is corrupt".to_string())
} else {
Some("no live or stored pod state".to_string())
};
PodEntryActions {
can_open,
can_restore,
can_send_now,
can_queue_send,
disabled_reason,
}
}
fn trim_one_line(s: &str, max_chars: usize) -> String {
let collapsed: String = s.chars().map(|c| if c == '\n' { ' ' } else { c }).collect();
if collapsed.chars().count() <= max_chars {
collapsed
} else {
let truncated: String = collapsed.chars().take(max_chars - 1).collect();
format!("{truncated}…")
}
}
#[cfg(test)]
mod tests {
use super::*;
use llm_worker::llm_client::types::RequestConfig;
use session_store::{PodActiveSegmentRef, PodMetadataStore, new_segment_id, new_session_id};
use tempfile::tempdir;
const SOURCE: PodVisibilitySource = PodVisibilitySource::ResumePicker;
#[test]
fn pod_list_rows_are_sorted_by_active_segment_timestamp() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let earlier_session = new_session_id();
let later_session = new_session_id();
let earlier_segment = new_segment_id();
let later_segment = new_segment_id();
append_start(&store, earlier_session, earlier_segment, 10);
append_user(
&store,
earlier_session,
earlier_segment,
100,
"old pod update",
);
append_start(&store, later_session, later_segment, 20);
append_user(&store, later_session, later_segment, 200, "new pod update");
let entries = PodList::from_sources(
SOURCE,
vec![
metadata_info(&store, "older", earlier_session, earlier_segment),
metadata_info(&store, "newer", later_session, later_segment),
],
vec![],
None,
10,
)
.entries;
assert_eq!(entries[0].name, "newer");
assert_eq!(entries[0].summary.updated_at, 200);
assert_eq!(
entries[0].summary.preview.as_deref(),
Some("user: new pod update")
);
assert_eq!(entries[1].name, "older");
}
#[test]
fn stored_only_row_can_restore_and_open_but_not_direct_send() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let session_id = new_session_id();
let segment_id = new_segment_id();
append_start(&store, session_id, segment_id, 10);
let entry = single_entry(PodList::from_sources(
SOURCE,
vec![metadata_info(&store, "stored", session_id, segment_id)],
vec![],
None,
10,
));
assert_eq!(entry.name, "stored");
assert_eq!(entry.visibility, SOURCE);
assert_eq!(entry.source_kinds, vec![PodListSourceKind::StoredMetadata]);
assert!(entry.live.is_none());
assert!(entry.stored.is_some());
assert!(entry.actions.can_open);
assert!(entry.actions.can_restore);
assert!(!entry.actions.can_send_now);
assert!(!entry.actions.can_queue_send);
}
#[test]
fn live_idle_reachable_row_can_open_and_send_now() {
let entry = single_entry(PodList::from_sources(
SOURCE,
vec![],
vec![live_info("live", PodStatus::Idle)],
None,
10,
));
assert_eq!(entry.name, "live");
assert_eq!(entry.visibility, SOURCE);
assert_eq!(entry.source_kinds, vec![PodListSourceKind::RuntimeRegistry]);
assert!(entry.actions.can_open);
assert!(!entry.actions.can_restore);
assert!(entry.actions.can_send_now);
assert!(!entry.actions.can_queue_send);
assert_eq!(
entry.attach_socket_path(),
Some(Path::new("/tmp/live.sock"))
);
}
#[test]
fn live_running_reachable_row_can_open_but_not_send_now() {
let entry = single_entry(PodList::from_sources(
SOURCE,
vec![],
vec![live_info("live", PodStatus::Running)],
None,
10,
));
assert!(entry.actions.can_open);
assert!(!entry.actions.can_restore);
assert!(!entry.actions.can_send_now);
assert!(entry.actions.can_queue_send);
}
#[test]
fn corrupt_stored_metadata_has_diagnostic() {
let entry = single_entry(PodList::from_sources(
SOURCE,
vec![corrupt_stored_info(
"broken".to_string(),
"expected value".to_string(),
)],
vec![],
None,
10,
));
assert_eq!(entry.name, "broken");
assert!(!entry.actions.can_open);
assert!(entry.diagnostics.iter().any(|diagnostic| {
diagnostic.kind == PodEntryDiagnosticKind::StoredMetadataCorrupt
&& diagnostic.message.contains("expected value")
}));
assert!(
entry
.summary
.preview
.as_deref()
.unwrap()
.contains("expected value")
);
}
#[test]
fn selected_pod_name_is_kept_after_rebuild() {
let first = PodList::from_sources(
SOURCE,
vec![],
vec![
live_info("alpha", PodStatus::Idle),
live_info("beta", PodStatus::Idle),
],
Some("alpha".to_string()),
10,
);
assert_eq!(first.selected_entry().unwrap().name, "alpha");
let rebuilt = PodList::from_sources(
SOURCE,
vec![],
vec![
live_info_with_updated_at("beta", PodStatus::Idle, 20),
live_info_with_updated_at("alpha", PodStatus::Idle, 10),
],
first.selected_name.clone(),
10,
);
assert_eq!(rebuilt.entries[0].name, "beta");
assert_eq!(rebuilt.selected_entry().unwrap().name, "alpha");
assert_eq!(rebuilt.selected_index(), 1);
}
#[test]
fn read_stored_pod_infos_reports_corrupt_metadata() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let pod_dir = dir.path().join("pods").join("broken");
fs::create_dir_all(&pod_dir).unwrap();
fs::write(pod_dir.join("metadata.json"), "{not-json").unwrap();
let records = read_stored_pod_infos(dir.path(), &store).unwrap();
assert_eq!(records.len(), 1);
assert_eq!(records[0].pod_name, "broken");
assert!(matches!(
records[0].metadata_state,
StoredMetadataState::Corrupt(_)
));
}
#[test]
fn read_stored_pod_infos_reads_metadata() {
let dir = tempdir().unwrap();
let store = FsStore::new(dir.path()).unwrap();
let session_id = new_session_id();
let segment_id = new_segment_id();
store
.write(&PodMetadata::new(
"agent",
Some(PodActiveSegmentRef::active_segment(session_id, segment_id)),
))
.unwrap();
let records = read_stored_pod_infos(dir.path(), &store).unwrap();
assert_eq!(records.len(), 1);
assert_eq!(records[0].pod_name, "agent");
assert_eq!(records[0].metadata_state, StoredMetadataState::Present);
}
fn single_entry(list: PodList) -> PodListEntry {
assert_eq!(list.entries.len(), 1);
list.entries.into_iter().next().unwrap()
}
fn metadata_info(
store: &FsStore,
pod_name: &str,
session_id: SessionId,
segment_id: SegmentId,
) -> StoredPodInfo {
stored_info_from_metadata(
store,
pod_name.to_string(),
PodMetadata::new(
pod_name,
Some(PodActiveSegmentRef::active_segment(session_id, segment_id)),
),
)
}
fn live_info(pod_name: &str, status: PodStatus) -> LivePodInfo {
live_info_with_updated_at(pod_name, status, 0)
}
fn live_info_with_updated_at(
pod_name: &str,
status: PodStatus,
updated_at: u64,
) -> LivePodInfo {
LivePodInfo {
pod_name: pod_name.to_string(),
socket_path: PathBuf::from(format!("/tmp/{pod_name}.sock")),
status: Some(status),
reachable: true,
segment_id: None,
summary: PodEntrySummary {
active_session_id: None,
active_segment_id: None,
updated_at,
preview: None,
},
}
}
fn append_start(store: &FsStore, session_id: SessionId, segment_id: SegmentId, ts: u64) {
store
.append(
session_id,
segment_id,
&LogEntry::SegmentStart {
ts,
session_id,
system_prompt: None,
config: RequestConfig::default(),
history: vec![],
forked_from: None,
compacted_from: None,
},
)
.unwrap();
}
fn append_user(
store: &FsStore,
session_id: SessionId,
segment_id: SegmentId,
ts: u64,
text: &str,
) {
store
.append(
session_id,
segment_id,
&LogEntry::UserInput {
ts,
segments: vec![protocol::Segment::text(text)],
},
)
.unwrap();
}
}