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feat(tui): @file mention picker with frecency ranking (closes #570) - #1889

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@alecuba16

@alecuba16 alecuba16 commented Oct 18, 2026 •

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Closes #570.

Problem

When composing prompts in the TUI there is no way to quickly reference files by name. Users must type full paths by hand, which is slow and error-prone in large codebases. #570 tracks this; maintainer guidance there suggested starting with project-local tracked files and a deterministic recency/frequency score, which is what this PR implements.

What it does

Typing @ in the composer opens a file-completion popover ranked by frecency (frequency + exponential recency decay). Accepting a completion replaces the @query with the path and records an inline file chip; backspace on a chip deletes the whole path token instead of one character.

  • Indexing: git ls-files --cached --others --exclude-standard as the primary source, with a walkdir fallback honoring .gitignore for non-git directories. Rebuilt in the background with adaptive TTL (30s base, 4x for large workspaces) and a max_files safety cap. A notify-based watcher marks the index dirty on filesystem changes.
  • Matching: case-insensitive substring matching behind a compact CharBag pre-filter, then a regex pass for path-segment matching. Gitignored directories are scanned lazily via fs::read_dir only when a query actually targets them.
  • Popover UX: results grouped into Recent / Files sections. The selection never rests on a section header (the highlight and the Enter-accept path always resolve to the same real row), and the building-index hint row is a non-acceptable sentinel so Enter can never insert it as a chip.
  • Config: tunable via [file_mention] in ~/.jcode/config.toml (refresh_ttl_secs, max_results, max_files; zero or absent values fall back to built-in defaults), documented in README and shown in the /config settings summary.

Edge cases covered by tests

  • Section-header up-skip wraps correctly for non-power-of-2 list lengths (regression: wrapping_sub(1) % len computed usize::MAX % len).
  • The first-use building-index hint row is rejected by the accept guard and filtered from Tab-completion targets.
  • Out-of-range popover selection clamps, all-header lists terminate, empty lists are safe.
  • Config: absent section, partial section, zero values, TOML round-trip, and cap enforcement all fall back to documented defaults.
  • Index behavior: binary-file filtering, gitignore loading/matching, empty-dir queries, lazy ignored-dir scan.

Outside-workspace files (@~ and @/)

Queries starting with ~ or / bypass the workspace index and read the parent directory live: @~/... expands $HOME and @/... is absolute. Entries skip symlinks, skipped dirs, and dotfiles unless the partial starts with a dot. Chips keep the literal ~/... display string and expand the tilde at prompt-build time, so an outside-workspace file attaches exactly like a workspace file. FS queries never touch the frecency store, so browsing never pollutes ranking history. Tab-completion is guarded against sentinel-only popovers (no real candidate rows), which previously divided by zero in the cycle math.

Review fix batch (a75f286)

Eight defects from the review round, each with regression tests: the index and all accept paths only take regular files so a FIFO can no longer freeze the send read, file mentions and chip expansion are gated over SSH remotes (no local-file leakage into a remote prompt), stash and history drafts carry chips and cursor so restored drafts keep their attachments, git ls-files parses with -z so paths with spaces or unicode survive core.quotepath, the bare * gitignore pattern no longer panics the fallback indexer, the Tab cycle anchors to the saved base query so it keeps advancing after a completion instead of getting stuck, chips accepted after an opening bracket stay attached (closing brackets still never match prose), and Backspace inside a chip removes the entire path with no leftover tail.

Validation: 94 file_mention + 25 chip-deletion tests green, full-suite failure triage against pure upstream master (contention flakes pass isolated; the one persistent failure is byte-identical on master).

Tradeoffs / assumptions

  • frecency state persists per-project on disk (frequency + last-access time), mirroring the approach of editor file pickers; it does not reuse session history because ranking must survive across sessions.
  • The CharBag pre-filter is an allocation-light first pass; the regex pass only runs on surviving candidates to bound per-keystroke cost.
  • Suggestion reads are memoized per frame and the config accessor is cached, so the per-keystroke path does not touch disk config or re-rank on every render.

Validation

  • jcode-tui file_mention/input_ui/suggestions battery: 111 passed at first review; now 164 (89 file_mention + 39 input_ui + 36 suggestions), all green in full-suite order.
  • Full jcode-tui --lib suite compared against the clean base: failure sets byte-identical (23 pre-existing environment-dependent failures, zero regressions from this PR).
  • Root-crate commands_tests compile fix included (master commit ff32973 added a usage field to ModelRoute without updating 5 test initializers, breaking cargo test -p jcode; also available standalone on fix/modelroute-usage-test-init if preferred as a separate PR).
  • provider_init_tests env isolation so provider tests are deterministic across developer machines.
  • Workspace cargo check --all-targets clean; clippy clean for all files touched by this PR; runtime smoke test on a standalone socket passes.

CI follow-up (2708b44)

The PathIndex test seams exposed FileEntry through pub fields while the struct stayed private, which pushed the warning budget from master's 5 to 7 on the merge tree; FileEntry now carries the same pub(in crate::tui::app) visibility as its container. Size-ratchet baselines refreshed for the four tracked files the fix batch grows (file_mention, input, ui_input, state_ui_input_helpers).

@alecuba16

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This recreates #1268 (same select_files branch, same body). The old PR was closed in September during triage; GitHub refuses to reopen it because the branch was force-pushed while closed. It stays open pending the maintainer decision on #570 / #837.

@greptile-apps

greptile-apps Bot commented Oct 18, 2026 •

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RetriggerView in GreptileConfidence Score: 0/5

[Medium impact] The main reach is the TUI prompt workflow, where selected local file contents can enter a prompt.

The PR is not ready to merge because earlier attachment-loss, unintended-file disclosure, and command-dispatch problems remain.

Findings

  1. P1 Restored drafts lose attached files ▶
  2. P1 Restored prompts lose attachments ▶
  3. P1 Security Project links expose private files ▶
  4. P1 Attached text runs commands ▶
  5. P1 Security Removed attachments still get sent ▶
  6. P2 Rebuilds keep old search results ▶
  7. P2 Nested file changes go unwatched ▶
  8. P2 Enter accepts an invisible choice ▶
  9. P2 Ignored folders bypass file limits ▶
  10. P2 Opening the picker hides folders ▶
  11. P2 Later folders attach no files ▶
  12. P2 Wrapped attachments lose chip styling ▶
  13. P2 Repeated selections grow history forever ▶
  14. P2 Settings show the wrong limits ▶
  15. P2 Tab cannot enter folders ▶
  16. P2 Spaced filenames lose attachment ▶
  17. P2 Tests overwrite each other's home ▶
  18. P2 Shell commands get replaced ▶
  19. P2 Tab changes distant text ▶
  20. P2 Nested include rules get skipped ▶
  21. P2 Tracked children hide ignored siblings ▶
  22. P2 Selected filenames lose their suffix ▶
  23. P2 Complete filenames choose backups ▶
  24. P2 Edited paths attach old files ▶
  25. P2 Folder attachments can freeze typing ▶
  26. P2 Undo keeps the attachment ▶
  27. P2 Hourglass filenames cannot be selected ▶
  28. P2 Deleted files remain selectable ▶
  29. P2 Reloaded drafts lose attached files ▶
  30. P2 Large folders slow the picker ▶
  31. P2 Ignore rules match wrong files ▶
  32. P2 Discarded files still block sending ▶
  33. P2 Growing files lose their ending ▶
  34. P2 Duplicate folders hide choices ▶
  35. P2 Conflicts repeat file choices ▶
  36. P2 Outside files displace project history ▶
Fix with agent prompt
### Issue 1
crates/jcode-tui/src/tui/app.rs:972-973
`file_chips` belong to the draft, but stashing and history browsing still save only text and cursor position. After accepting a file, Ctrl+S leaves its chip on the empty composer. Typing another draft prunes it, so restoring the stash loses the attachment. Ctrl+Up followed by Down also restores text without its pruned chips. Save and restore chips with both draft holders, as this PR does for undo and voice drafts; this attachment-loss problem needs to be fixed before merging.

### Issue 2
crates/jcode-tui/src/tui/app/input.rs:3138-3139
`take_prepared_input` consumes `file_chips`, but the saved submission keeps only the raw prompt text. After a turn error restores that prompt, its displayed file paths have no attachment metadata. Pressing Enter again silently sends the paths without the files' contents. This affects both local and remote error recovery.

Keep the chips with the saved submission and restore them alongside its text before allowing a resend.

### Issue 3
crates/jcode-tui/src/tui/app/file_mention.rs:1883-1885
If a checkout contains `notes.md` pointing to a private file outside the project, the picker offers it as an ordinary file. Selecting it reads the target because `std::fs::metadata` and the later file opens follow the link. The prepared prompt labels the attachment with the project path but includes the outside file's contents, which will be sent to the model when submitted. Selecting a tracked directory symlink also expands its outside target.

Reject symlink traversal before indexing and reading project attachments, including selected directory roots, while preserving explicitly requested outside-path attachments. This disclosure needs to be fixed before merging.

**How this was verified:** Selecting tracked file and directory symlinks through the real picker placed benign outside-file markers in the prepared outbound prompt under project-relative labels.

### Issue 4
crates/jcode-tui/src/tui/app/input.rs:4088-4090
`submit_input` expands attached files before calling `dispatch_local_command`. If a document contains an unquoted `/help`, the dispatcher treats that file content as a local command and consumes the submission. Submitting “Summarize context.txt” with such an attachment cleared the composer, displayed an unknown-command error, and created no model turn; ordinary-text and backtick-quoted controls submitted normally. Dispatch commands from the user's own text before adding attachment contents so document examples cannot prevent the question and files from reaching the model. This needs to be fixed before merging.

### Issue 5
crates/jcode-tui/src/tui/app/input.rs:3138-3139
Deleting an attachment with Ctrl+U, Ctrl+K, or Ctrl+W leaves its `file_chips` entry behind. For example, accept a file, add a question after it, move just past the path, and press Ctrl+U. The path disappears, but pressing Enter still sends that file's contents to the model.

These deletion helpers do not call `reset_tab_completion`, and neither submission path checks whether each chip remains in the text. Prune removed chips after every edit and before expanding attachments.

**How this was verified:** The deletion helpers return without pruning chips, while both submission paths pass all remaining chips to the file reader without checking the submitted text.

### Issue 6
crates/jcode-tui/src/tui/app/file_mention.rs:1565-1570
Search history is cleared before the background rebuild, not when the new index becomes available. During the rebuild, `candidates` searches the old index and saves those results again. After the swap, the same query keeps returning old results until another invalidation or eviction. This is non-blocking, but new files stay missing and deleted files remain selectable. Tie search history to the index version or clear it when the replacement becomes visible.

### Issue 7
crates/jcode-tui/src/tui/app/file_mention.rs:undefined-1211
The watcher only watches the workspace root. Creating or deleting `src/new.rs` inside an existing folder does not mark the index dirty. Those changes wait for the refresh timer, which reaches two minutes with the default large-workspace settings. This is non-blocking, but new source files remain unavailable in completion during that interval. Watch nested folders too, excluding expensive build trees as needed.

### Issue 8
crates/jcode-tui/src/tui/ui_input.rs:255-259
While the agent is busy, `command_suggestions_active` hides the file popover, but its keyboard handler still accepts Enter. A follow-up ending in `@query` therefore gets rewritten with an invisible file choice instead of being sent or queued. Apply the same busy-state rule to drawing and keyboard input, or keep the picker visible while busy.

### Issue 9
crates/jcode-tui/src/tui/app/file_mention.rs:1665-1681
Lazy scans read every child into `new_files` and append all of them without checking `max_files`. Querying a large ignored folder can grow the index far beyond the configured safety limit and pause typing during the scan. Apply the cap across both index layers and bound this work.

### Issue 10
crates/jcode-tui/src/tui/app/file_mention.rs:703-708
Bare `@` cannot show root folders: the builders return file paths, and `build_path_index` marks every entry as a file. `show_all_files` discards nested paths, while parent folders are added only for nonempty queries. A workspace with only nested files and no history therefore shows an empty picker. This is non-blocking, but prevents initial folder browsing. Add root folders to the index or derive them for the empty query.

### Issue 11
crates/jcode-tui/src/tui/app/file_mention.rs:1855-1860
The stated 50-file limit per directory is shared across all chips. Each folder passes the same `expanded_files` vector, and `collect_dir_files` stops once that vector contains 50 files. A 50-file folder therefore causes a second folder to be silently omitted. This is non-blocking, but makes selected content depend on folder order. Track a separate allowance per directory, or explicitly report and document a shared limit.

### Issue 12
crates/jcode-tui/src/tui/ui_input.rs:2365-2372
Highlighting searches for the whole path inside each already-wrapped span. When a path crosses a visual line, neither span contains the whole path, so the attachment looks like ordinary text. This is non-blocking, but hides the visual distinction between attached files and plain text at narrow widths. Match chip ranges in the original input and carry them through wrapping.

### Issue 13
crates/jcode-tui/src/tui/app/file_mention.rs:359-361
Every file selection appends a record, but cleanup depends on the number of distinct paths, not log records. Repeatedly selecting a small set of files therefore never triggers compaction, and `load` reads every repeated record into memory. This is non-blocking, but disk usage and picker startup work keep growing with use. Trigger cleanup by record count or file size as well.

### Issue 14
crates/jcode-base/src/config/display_summary.rs:383-385
`/config` prints zero for these settings when the picker treats zero as “use the default.” Setting all three to zero therefore displays a zero-second refresh and zero files or suggestions, while the picker uses 30 seconds for small workspaces, 5,000 files and 15 suggestions. This is non-blocking, but makes the settings summary misleading. Show the values the picker uses or label zero as “default.”

### Issue 15
crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs:undefined-1887
Tab removes the trailing `/` from directory choices. Completing `/tmp/project/` produces `@/tmp/project`, so later Tabs keep listing matches in `/tmp` instead of showing the folder's children. This is non-blocking, but users must type the slash themselves to continue browsing. Keep the trailing slash when completing a directory.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

(21 more issues omitted due to length limits.)

Summary

Adds an @file picker with ranked workspace suggestions, outside-path browsing, inline attachments, and configurable limits.

  • The composer finds files by name and attaches selected paths to prompts.
  • Browser tool descriptions tell the model why each call is being made.
  • Slow terminal color replies can arrive in separate bursts without timing out.
  • Supporting platform, test, and renderer edits keep their existing behavior.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  Query["Type @query"] --> Picker["Find and rank paths"]
  Picker --> Choice["Accept a path"]
  Choice --> Draft["Save text and file chip"]
  Draft --> Send["Read attachments on send"]
  Send --> Prompt["Send prompt with file contents"]
Loading

Reviews (25) · Last reviewed commit: "chore(budgets): refresh ratchet baseline..." · Reviewed by Greptile

Comment on lines +976 to +977
/// Confirmed @file references (absolute paths); loaded on send
file_chips: Vec<PathBuf>,

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P1 Restored drafts lose attached files

file_chips belong to the draft, but stashing and history browsing still save only text and cursor position. After accepting a file, Ctrl+S leaves its chip on the empty composer. Typing another draft prunes it, so restoring the stash loses the attachment. Ctrl+Up followed by Down also restores text without its pruned chips. Save and restore chips with both draft holders, as this PR does for undo and voice drafts; this attachment-loss problem needs to be fixed before merging.

Artifacts

Runnable draft attachment verification script

  • Extracts the candidate's Rust functions, compiles them without Cargo, and runs uninterrupted and restored draft checks, making the reproduction repeatable.

Generated Rust harness for draft restoration

  • Contains the extracted composer and file-expansion functions with explicit boundary adapters, showing the exact code exercised.

Attachment content fixture

  • Supplies a distinctive content marker for the executed file reads, allowing attachment inclusion and omission to be distinguished.

Isolated harness compilation and source provenance

  • Captures the successful rustc command plus extracted function locations and hashes, tying the executed harness to repository source.

Uninterrupted drafts retain file contents

  • Executes file expansion for both control drafts and captures one chip and included fixture contents in each, establishing the baseline.

Restored drafts lose file contents

  • Executes stash/edit/restore and history-draft restoration and captures exact text/cursor restoration but zero chips and omitted fixture contents, confirming candidate2.

Tracked files unchanged after validation

  • Captures `git diff --exit-code` returning zero after the behavioral checks, confirming no tracked edits.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app.rs
Line: 976-977

Comment:
**Restored drafts lose attached files**

`file_chips` belong to the draft, but stashing and history browsing still save only text and cursor position. After accepting a file, Ctrl+S leaves its chip on the empty composer. Typing another draft prunes it, so restoring the stash loses the attachment. Ctrl+Up followed by Down also restores text without its pruned chips. Save and restore chips with both draft holders, as this PR does for undo and voice drafts; this attachment-loss problem needs to be fixed before merging.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +684 to +689
for entry in index.entries.iter().chain(index.lazy_entries.iter()) {
let is_root_level = !entry.path.contains('/') && !entry.path.contains('\\');
if !is_root_level || !seen_paths.insert(entry.path.clone()) {
continue;
}
if entry.is_directory {

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P2 Opening the picker hides folders

Bare @ cannot show root folders: the builders return file paths, and build_path_index marks every entry as a file. show_all_files discards nested paths, while parent folders are added only for nonempty queries. A workspace with only nested files and no history therefore shows an empty picker. This is non-blocking, but prevents initial folder browsing. Add root folders to the index or derive them for the empty query.

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 684-689

Comment:
**Opening the picker hides folders**

Bare `@` cannot show root folders: the builders return file paths, and `build_path_index` marks every entry as a file. `show_all_files` discards nested paths, while parent folders are added only for nonempty queries. A workspace with only nested files and no history therefore shows an empty picker. This is non-blocking, but prevents initial folder browsing. Add root folders to the index or derive them for the empty query.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1769 to +1774
collect_dir_files(
&abs,
&cwd,
&mut expanded_files,
&mut seen,
MAX_FILES_PER_DIR,

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P2 Later folders attach no files

The stated 50-file limit per directory is shared across all chips. Each folder passes the same expanded_files vector, and collect_dir_files stops once that vector contains 50 files. A 50-file folder therefore causes a second folder to be silently omitted. This is non-blocking, but makes selected content depend on folder order. Track a separate allowance per directory, or explicitly report and document a shared limit.

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1769-1774

Comment:
**Later folders attach no files**

The stated 50-file limit per directory is shared across all chips. Each folder passes the same `expanded_files` vector, and `collect_dir_files` stops once that vector contains 50 files. A 50-file folder therefore causes a second folder to be silently omitted. This is non-blocking, but makes selected content depend on folder order. Track a separate allowance per directory, or explicitly report and document a shared limit.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +2646 to +2653
for span in line.spans {
let text = span.content.to_string();
let mut start = 0usize;
while start < text.len() {
let mut earliest: Option<(usize, usize)> = None;
for chip in chips {
let cs = chip.to_string_lossy();
if let Some(pos) = text[start..].find(cs.as_ref()) {

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P2 Wrapped attachments lose chip styling

Highlighting searches for the whole path inside each already-wrapped span. When a path crosses a visual line, neither span contains the whole path, so the attachment looks like ordinary text. This is non-blocking, but hides the visual distinction between attached files and plain text at narrow widths. Match chip ranges in the original input and carry them through wrapping.

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/ui_input.rs
Line: 2646-2653

Comment:
**Wrapped attachments lose chip styling**

Highlighting searches for the whole path inside each already-wrapped span. When a path crosses a visual line, neither span contains the whole path, so the attachment looks like ordinary text. This is non-blocking, but hides the visual distinction between attached files and plain text at narrow widths. Match chip ranges in the original input and carry them through wrapping.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +340 to +342
// Compact if we exceed the cap.
if self.data.len() > MAX_FRECENCY_ENTRIES * 2 {
self.compact();

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P2 Repeated selections grow history forever

Every file selection appends a record, but cleanup depends on the number of distinct paths, not log records. Repeatedly selecting a small set of files therefore never triggers compaction, and load reads every repeated record into memory. This is non-blocking, but disk usage and picker startup work keep growing with use. Trigger cleanup by record count or file size as well.

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 340-342

Comment:
**Repeated selections grow history forever**

Every file selection appends a record, but cleanup depends on the number of distinct paths, not log records. Repeatedly selecting a small set of files therefore never triggers compaction, and `load` reads every repeated record into memory. This is non-blocking, but disk usage and picker startup work keep growing with use. Trigger cleanup by record count or file size as well.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +383 to +385
self.file_mention.refresh_ttl_secs,
self.file_mention.max_results,
self.file_mention.max_files,

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P2 Settings show the wrong limits

/config prints zero for these settings when the picker treats zero as “use the default.” Setting all three to zero therefore displays a zero-second refresh and zero files or suggestions, while the picker uses 30 seconds for small workspaces, 5,000 files and 15 suggestions. This is non-blocking, but makes the settings summary misleading. Show the values the picker uses or label zero as “default.”

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-base/src/config/display_summary.rs
Line: 383-385

Comment:
**Settings show the wrong limits**

`/config` prints zero for these settings when the picker treats zero as “use the default.” Setting all three to zero therefore displays a zero-second refresh and zero files or suggestions, while the picker uses 30 seconds for small workspaces, 5,000 files and 15 suggestions. This is non-blocking, but makes the settings summary misleading. Show the values the picker uses or label zero as “default.”

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

let paths: Vec<&str> = suggestions
.iter()
.filter(|(s, _)| !s.is_empty() && !s.starts_with('⏳'))
.map(|(s, _)| s.trim_end_matches('/'))

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P2 Tab cannot enter folders

Tab removes the trailing / from directory choices. Completing /tmp/project/ produces @/tmp/project, so later Tabs keep listing matches in /tmp instead of showing the folder's children. This is non-blocking, but users must type the slash themselves to continue browsing. Keep the trailing slash when completing a directory.

Artifacts

Head Rust test output showing directory Tab failure and manual-slash success

  • The head test pressed Tab three times and then typed a slash through the real key handler; its captured output confirms stalled directory completion and successful child browsing after the manual slash.

Five actual head terminal renders and suggestion states

  • The Rust test captured the initial query, all three Tab results, and the manual-slash control as ratatui-rendered rows and structured state, showing exactly when the children appear.

Executed Rust directory-completion test

  • This test invokes the real Tab and character key handlers against a filesystem fixture and asserts both the missing separator and the successful manual-slash control.

Executed isolated validation runner and commands

  • The runner creates private worktrees and the directory fixture, includes the uploaded Rust test, and records command output with working directories and exit codes without modifying primary-checkout production sources.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 1873

Comment:
**Tab cannot enter folders**

Tab removes the trailing `/` from directory choices. Completing `/tmp/project/` produces `@/tmp/project`, so later Tabs keep listing matches in `/tmp` instead of showing the folder's children. This is non-blocking, but users must type the slash themselves to continue browsing. Keep the trailing slash when completing a directory.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1886 to +1892
&& let Some((new_input, new_cursor)) =
crate::tui::ui::input_ui::tab_complete(&self.input, &common)
{
self.remember_input_undo_state();
self.input = new_input;
self.cursor_pos = new_cursor;
self.tab_completion_state = None;

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P2 Spaced filenames lose attachment

Tab can complete @/tmp/my to @/tmp/my notes.txt without recording a chip. extract_at_query then rejects the space and closes the picker, so Enter sends plain text instead of attaching the file. This is non-blocking, but users can submit a prompt without the file they intended to include. Keep spaced paths acceptable until confirmation, or attach a complete choice when Tab inserts it.

Artifacts

Executed Rust test for Tab then Enter on a spaced filename

  • The isolated test creates a real file and asserts completion, chip, rendering, submission, and positive-control states, demonstrating the attachment omission.

Executed isolated Rust validation runner

  • The runner creates a private head worktree, copies the warm cache, includes the uploaded Rust test, and captures command output, keeping production sources untouched.

Private head worktree creation output

  • Captured git command output identifies the isolated head checkout used for execution, confirming the tested revision.

Private build cache copy output

  • Captured copy command and exit code show that validation used a separate target directory, avoiding shared-cache writes.

Passing Rust reproduction with observed chip and attachment states

  • Actual Cargo output records four rendered states, missing attachment contents after Tab and Enter, and successful expansion in the direct-Enter control, confirming candidate1.

Head render before Tab with the spaced filename suggestion

  • The executed Rust test captured the real composer and filesystem suggestion before Tab, showing that the fixture is available for completion.

Head renders after Tab, after Enter, and during direct-Enter control

  • The executed Rust test captured completed text without a chip, plain-text submission, and a successful control chip, exposing the attachment-state difference.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 1886-1892

Comment:
**Spaced filenames lose attachment**

Tab can complete `@/tmp/my` to `@/tmp/my notes.txt` without recording a chip. `extract_at_query` then rejects the space and closes the picker, so Enter sends plain text instead of attaching the file. This is non-blocking, but users can submit a prompt without the file they intended to include. Keep spaced paths acceptable until confirmation, or attach a complete choice when Tab inserts it.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

/// Serializes tests that mutate `HOME`: the default test runner executes
/// tests in parallel threads, and an unset or foreign `HOME` mid-test makes
/// `~`-query assertions read another test's fixtures.
static HOME_LOCK: Mutex<()> = Mutex::new(());

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P2 Tests overwrite each other's home

The new tests change HOME under a private HOME_LOCK, while skill-startup tests use lock_test_env for the same variable. These locks do not exclude each other. A parallel execution made the picker test read the skill test's temporary home and fail its file-listing assertion. This is non-blocking, but causes unpredictable test failures. Use the shared lock and restore HOME with a drop guard.

Artifacts

Reproduction script for the HOME-lock race

  • Extracts head source, compiles the harness, and captures serial and interleaved executions with their commands and exit codes, making the confirmation reproducible.

Source-extracted Rust harness with deterministic worker scheduling

  • Contains the extracted helpers, filesystem implementation, original assertion, source hashes, and barrier scheduling used to expose the wrong-HOME read.

Successful compilation of the source-extracted harness

  • Captures the exact rustc command and exit code 0, showing the reproduction harness compiled successfully.

Serial control with the correct HOME fixture

  • Runs both helpers serially and records the expected alpha/beta candidates with exit code 0, establishing that the assertion passes without overlap.

Parallel overlap with a foreign HOME and failed assertion

  • Forces the skill helper to overwrite HOME while the private file-mention lock remains held and records empty candidates plus exit code 101, confirming the behavioral failure.

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TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1918

Comment:
**Tests overwrite each other's home**

The new tests change `HOME` under a private `HOME_LOCK`, while skill-startup tests use `lock_test_env` for the same variable. These locks do not exclude each other. A parallel execution made the picker test read the skill test's temporary home and fail its file-listing assertion. This is non-blocking, but causes unpredictable test failures. Use the shared lock and restore `HOME` with a drop guard.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +558 to +560
// @file completions (checked before /, but / takes priority)
if crate::tui::ui::input_ui::has_active_at_mention(input) && !input.starts_with('/') {
return self.file_mention_suggestions();

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P2 Shell commands get replaced

Shell input such as !echo @main receives file suggestions even though the composer identifies it as shell input. Accepting a suggestion skips the file-mention branch and replaces the entire command with the selected path. This is non-blocking, but users lose the command they meant to run; the input check changed !echo @main into main.rs. Gate file suggestions with is_at_file_mode so shell input cannot reach this path.

Artifacts

Evidence from the check

  • Uploaded shell-replaced-harness.rs, the authored test that types through the real input handler and asserts the observed shell-command replacement.

Evidence from the check

  • Uploaded shell-replaced-run.py, which ran both checks and restored the temporarily edited tracked files.

Command output from the check

  • Ran the narrow Rust test with the new dispatch removed and observed no suggestions or shell-command replacement.

Command output from the check

  • Ran the narrow Rust test on HEAD and observed that Down followed by Enter changed !echo @main into main.rs.

Command output from the check

  • Captured the HEAD hash and relevant source lines showing inconsistent suggestion and acceptance mode checks.

▶ Recording of the check

  • Replayed actual baseline Rust render buffers in Chromium, showing the shell command remains intact without the new suggestion dispatch.

▶ Recording of the check

  • Replayed actual HEAD Rust render buffers in Chromium, emphasizing that accepting the file suggestion discards the shell command.

Baseline poster with the shell command preserved

  • Captured the baseline replay’s final frame, where the composer retains !echo @main.

Head poster with the shell command replaced

  • Captured the HEAD replay’s final frame, where the composer contains only main.rs.

Command output from the check

  • Recorded successful HTTP 200 uploads with exact references and SHA-256 hashes for the source and execution evidence.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 558-560

Comment:
**Shell commands get replaced**

Shell input such as `!echo @main` receives file suggestions even though the composer identifies it as shell input. Accepting a suggestion skips the file-mention branch and replaces the entire command with the selected path. This is non-blocking, but users lose the command they meant to run; the input check changed `!echo @main` into `main.rs`. Gate file suggestions with `is_at_file_mode` so shell input cannot reach this path.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1858 to +1860
let (_, query) = match crate::tui::ui::input_ui::extract_at_query(&self.input) {
Some(q) => q,
None => return false,

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P2 Tab changes distant text

File completion ignores cursor_pos. If a user moves back into earlier text while the draft still ends in @query, Tab completes that trailing mention and moves the cursor away from the text being edited. This is non-blocking, but it changes a different part of the draft than the user expects; the input check completed a trailing path while moving the cursor from byte 7 to byte 91. Use the mention at the cursor, or disable completion when the cursor is outside that mention.

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 1858-1860

Comment:
**Tab changes distant text**

File completion ignores `cursor_pos`. If a user moves back into earlier text while the draft still ends in `@query`, Tab completes that trailing mention and moves the cursor away from the text being edited. This is non-blocking, but it changes a different part of the draft than the user expects; the input check completed a trailing path while moving the cursor from byte 7 to byte 91. Use the mention at the cursor, or disable completion when the cursor is outside that mention.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1052 to +1054
if matches_gitignore(rel, is_dir, root_patterns) {
return true;
}

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P2 Nested include rules get skipped

In a non-Git workspace, a root .gitignore containing *.log makes this return before checking a nested .gitignore containing !keep.log. The picker therefore omits logs/keep.log even though the nested rule includes it. Preserve ignore and include decisions across directory levels so the closest matching rule wins.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1052-1054

Comment:
**Nested include rules get skipped**

In a non-Git workspace, a root `.gitignore` containing `*.log` makes this return before checking a nested `.gitignore` containing `!keep.log`. The picker therefore omits `logs/keep.log` even though the nested rule includes it. Preserve ignore and include decisions across directory levels so the closest matching rule wins.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1604 to +1610
let dir_prefix = format!("{}/", dir_path.trim_end_matches('/'));
if index
.entries
.iter()
.any(|e| e.path.as_ref() == dir_path || e.path.starts_with(&dir_prefix))
{
return;

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P2 Tracked children hide ignored siblings

A single tracked child makes this skip scanning the entire directory. For example, with tracked cache/README.md and ignored cache/output.txt, querying @cache/output never finds the ignored file. Check whether the requested children are missing rather than treating any indexed child as proof that the directory is complete.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1604-1610

Comment:
**Tracked children hide ignored siblings**

A single tracked child makes this skip scanning the entire directory. For example, with tracked `cache/README.md` and ignored `cache/output.txt`, querying `@cache/output` never finds the ignored file. Check whether the requested children are missing rather than treating any indexed child as proof that the directory is complete.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

self.set_status_notice("File mentions are unavailable over SSH remotes");
return false;
}
let rel_path = cmd.trim_end_matches('/').trim_end_matches(" >");

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P2 Selected filenames lose their suffix

Accepting a real filename ending in >, such as notes >, removes that suffix before inserting the path and recording its chip. Suggestions contain raw filenames, not a > decoration, so sending the prompt reads notes instead of the selected file or reports a missing file. Remove only the directory marker and preserve the filename.

Suggested change
let rel_path = cmd.trim_end_matches('/').trim_end_matches(" >");
let rel_path = cmd.trim_end_matches('/');
Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 1577

Comment:
**Selected filenames lose their suffix**

Accepting a real filename ending in ` >`, such as `notes >`, removes that suffix before inserting the path and recording its chip. Suggestions contain raw filenames, not a ` >` decoration, so sending the prompt reads `notes` instead of the selected file or reports a missing file. Remove only the directory marker and preserve the filename.

```suggestion
            let rel_path = cmd.trim_end_matches('/');
```

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!

Comment thread crates/jcode-tui/src/tui/app/input.rs Resolved
Comment on lines +561 to +562
if filename.starts_with(query_lower) {
return 100.0 + (filename.len() as f64).sqrt();

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P2 Complete filenames choose backups

With note.txt and note.txt.bak and no selection history, querying @note.txt gives both the filename-prefix score, but the length bonus puts note.txt.bak first. Enter therefore attaches the backup by default, including after Tab has inserted the complete @note.txt path. This is non-blocking, but users can attach a different file than they intended.

Give an exact filename match priority over longer prefix matches.

Artifacts

▶ Exact filename acceptance with the scoring control

  • Chromium replays four actual TestBackend frames from the targeted exact-match control, showing that direct Enter and Tab-then-Enter attach note.txt.

▶ Backup acceptance at supplied HEAD

  • Chromium replays four actual TestBackend frames from unchanged HEAD production code, showing that direct Enter and Tab-then-Enter attach note.txt.bak.

Exact filename first in the control popover

  • The poster captures terminal cells from the scoring-control run before Enter, showing note.txt ahead of its backup.

Backup first in the HEAD popover

  • The poster captures terminal cells from the HEAD run before Enter, showing note.txt.bak ahead of the exact filename.

Passing regression output with exact-match scoring control

  • The executed Cargo test records its command, working directory, exit code 0, ranking, terminal renders, and both exact-document attachments.

Failing regression output at supplied HEAD

  • The single HEAD Cargo invocation records its command, working directory, exit code 101, ranking, terminal renders, and both wrong backup attachments.

Executed ranking and attachment regression source

  • The temporary Rust test creates real fixtures, asserts clean frecency, renders the production UI, and presses real Tab and Enter handlers to establish the selected attachment.

Executed control and HEAD validation runner

  • The runner acquires the shared validation lock, executes the paired tests with one HEAD invocation, captures their output, and restores tracked files.

Captured terminal cells with exact-match scoring control

  • The executed Rust test serialized four TestBackend frames and attachment states, preserving the control run's actual rendering.

Captured terminal cells at supplied HEAD

  • The executed Rust test serialized four TestBackend frames and attachment states, preserving the wrong backup ordering and acceptance.

Executed Chromium terminal replay capture source

  • The Playwright script turns observed terminal cells into focused videos without executing the HEAD candidate a second time.

Successful Chromium video capture output

  • The capture command exited 0 and reported creation of both comparison videos and their poster frames.

Tracked source restoration verification

  • The executed git diff verification exited 0 for both temporarily edited tracked files, confirming that validation left them restored.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 561-562

Comment:
**Complete filenames choose backups**

With `note.txt` and `note.txt.bak` and no selection history, querying `@note.txt` gives both the filename-prefix score, but the length bonus puts `note.txt.bak` first. Enter therefore attaches the backup by default, including after Tab has inserted the complete `@note.txt` path. This is non-blocking, but users can attach a different file than they intended.

Give an exact filename match priority over longer prefix matches.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!

@alecuba16
alecuba16 force-pushed the select_files branch 2 times, most recently from d0aa67d to ca4ed2c Compare October 28, 2026 09:53
// can leave a chip directly after one: typing "(@main" and accepting
// yields "(main.rs". Closing brackets do not, so a chip in prose like
// "(see main.rs)" still never matches (greptile A10).
ch == '/' || ch == '\\' || ch.is_whitespace() || matches!(ch, '(' | '[' | '{')

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P2 Edited paths attach old files

Treating / and \ as chip boundaries keeps an old attachment when a user pastes a directory before it. Accept root-level main.rs, move to its start, and paste src/. The text becomes src/main.rs, but pruning keeps the main.rs chip. Sending still reads root-level main.rs, not the displayed path.

This is non-blocking, but users can attach a different file than the prompt names. Require a whole path token when keeping a chip after edits.

Knowledge Base Used: Terminal user interface

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/input.rs
Line: 2862

Comment:
**Edited paths attach old files**

Treating `/` and `\` as chip boundaries keeps an old attachment when a user pastes a directory before it. Accept root-level `main.rs`, move to its start, and paste `src/`. The text becomes `src/main.rs`, but pruning keeps the `main.rs` chip. Sending still reads root-level `main.rs`, not the displayed path.

This is non-blocking, but users can attach a different file than the prompt names. Require a whole path token when keeping a chip after edits.

**Knowledge Base Used:** [Terminal user interface](https://app.greptile.com/solo-systems/-/custom-context/knowledge-base/1jehuang/jcode/-/docs/terminal-user-interface.md)

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +3092 to +3093
let file_chips = std::mem::take(&mut app.file_chips);
let expanded = expand_file_chips(app, expanded, &file_chips);

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P1 Restored prompts lose attachments

take_prepared_input consumes file_chips, but the saved submission keeps only the raw prompt text. After a turn error restores that prompt, its displayed file paths have no attachment metadata. Pressing Enter again silently sends the paths without the files' contents. This affects both local and remote error recovery.

Keep the chips with the saved submission and restore them alongside its text before allowing a resend.

Artifacts

Evidence from the check

  • Runs the narrow Cargo tests with isolated application state and temporary test instrumentation, then restores sources and removes the base worktree.

Evidence from the check

  • Defines local and socket-pair remote submission, failure recovery, and resend checks that assert attached file contents survive.

Evidence from the check

  • Contains the expanded test source used on the selected head, including file-chip initialization and recovered-chip diagnostics.

Command output from the check

  • Captures the executed command, working directory, exit code, local payloads, and remote wire requests; both resends omit the file contents.

Evidence from the check

  • Contains the expanded base test source launched for comparison; its execution result had not been observed when the step limit was reached.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/input.rs
Line: 3092-3093

Comment:
**Restored prompts lose attachments**

`take_prepared_input` consumes `file_chips`, but the saved submission keeps only the raw prompt text. After a turn error restores that prompt, its displayed file paths have no attachment metadata. Pressing Enter again silently sends the paths without the files' contents. This affects both local and remote error recovery.

Keep the chips with the saved submission and restore them alongside its text before allowing a resend.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

if SKIP_DIRS.contains(&name) {
continue;
}
collect_dir_files(&path, _cwd, out, seen, max_files);

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P2 Folder attachments can freeze typing

The 50-file limit does not bound directory walking. Sending a folder attachment calls collect_dir_files synchronously, and empty directories never consume its allowance. A mostly empty tree can therefore keep the terminal from handling input while the entire tree is visited. A check using the attachment loader visited 200,201 directories for one tiny file; an uninstrumented run occupied the synchronous preparation path for about 955 ms.

This is non-blocking, but large folder attachments can visibly interrupt typing. Move the walk off the terminal event thread and bound directory visits or elapsed time as well.

Artifacts

Evidence from the check

  • Creates real sparse trees, extracts committed Rust code, compiles three variants, and captures their execution, making the check reproducible.

Evidence from the check

  • Contains the extracted base text-preparation code and responsiveness harness, showing exactly what ran for the baseline.

Evidence from the check

  • Contains the head loader with a counting-only read_dir wrapper and the responsiveness harness, exposing traversal volume without artificial delays.

Evidence from the check

  • Contains the head loader without the directory counter substitution, allowing the measured stall to be checked independently of instrumentation.

Command output from the check

  • Runs the base boundary against all three sparse-tree fixtures and records negligible preparation time, establishing the before comparison.

Command output from the check

  • Runs the actual head loader with directory counting and records 200,201 visits and a 1.160-second boundary occupancy, confirming traversal is not bounded by files collected.

Command output from the check

  • Runs the uninstrumented head loader and records a 955-ms preparation interval, confirming the counter did not cause the stall.

Command output from the check

  • Captures the exact rustc command and successful exit status for the base source, establishing that the baseline was compiled.

Command output from the check

  • Captures the exact rustc command and successful exit status for the counted head source, establishing that the measured collector was compiled.

Command output from the check

  • Captures the exact rustc command and successful exit status for the plain head source, establishing that the independent timing check was compiled.

Command output from the check

  • Captures the driver command, fixture creation, compilation, all runtime measurements, and exit code zero, tying the executed sources to the observed results.

Evidence from the check

  • Prints committed base/head call sites, tracked-source differences, and executed-source checksums, making provenance independently checkable.

Command output from the check

  • Captures the synchronous submit call chain, file-only recursion limit, source hashes, and empty tracked-source diff, connecting the executed boundary to the candidate location.

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TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1797

Comment:
**Folder attachments can freeze typing**

The 50-file limit does not bound directory walking. Sending a folder attachment calls `collect_dir_files` synchronously, and empty directories never consume its allowance. A mostly empty tree can therefore keep the terminal from handling input while the entire tree is visited. A check using the attachment loader visited 200,201 directories for one tiny file; an uninstrumented run occupied the synchronous preparation path for about 955 ms.

This is non-blocking, but large folder attachments can visibly interrupt typing. Move the walk off the terminal event thread and bound directory visits or elapsed time as well.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

let rel_path = cmd.trim_end_matches('/').trim_end_matches(" >");
// Store the relative path in file_chips (matches the input text so
// prune_orphan_chips works correctly). Resolve to absolute at send time.
self.file_chips.push(PathBuf::from(rel_path));

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P2 Undo keeps the attachment

accept_selected_command_suggestion adds the new chip before saving the undo state. In a draft such as compare notes.md with @notes, accepting notes.md and pressing Ctrl+Z restores the old text but keeps the attachment, because the earlier plain notes.md still passes pruning. Sending then includes the file whose attachment the user undid.

This is non-blocking, but undo should restore both the text and its attachments. Save the undo state before adding the chip.

Artifacts

Evidence from the check

  • The authored test runs original-draft and accept-then-undo flows through real input preparation, exposing the retained attachment.

Evidence from the check

  • The executed script creates a private head worktree, copies the build cache, includes the test, and captures both runs without modifying production code.

Command output from the check

  • The captured git command creates an isolated checkout at the requested PR head, keeping validation separate from other work.

Command output from the check

  • The captured copy command creates a separate target directory, avoiding shared build-cache writes.

Command output from the check

  • The captured Cargo build compiles the authored test successfully against the isolated PR head, establishing executable coverage.

Command output from the check

  • Preparing the original draft produces no attachment and no file contents, establishing the passing control.

Command output from the check

  • Accepting notes.md and pressing Ctrl+Z restores the draft but preparation includes its contents, confirming the defect with a failed regression assertion.

Command output from the check

  • Captured numbered source lines show chip insertion preceding undo capture and show preparation consuming the retained chip, while checkout status confirms only test integration changed.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 1545

Comment:
**Undo keeps the attachment**

`accept_selected_command_suggestion` adds the new chip before saving the undo state. In a draft such as `compare notes.md with @notes`, accepting `notes.md` and pressing Ctrl+Z restores the old text but keeps the attachment, because the earlier plain `notes.md` still passes pruning. Sending then includes the file whose attachment the user undid.

This is non-blocking, but undo should restore both the text and its attachments. Save the undo state before adding the chip.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1532 to +1533
if cmd.is_empty() || cmd.starts_with("⏳") {
return false;

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P2 Hourglass filenames cannot be selected

The hint guard rejects every path starting with ⏳, not just the building-index row. A real root-level file such as ⏳notes.md appears in the picker, but Enter cannot accept it and Tab filters it out too. An ordinary notes.md succeeds through the same input paths.

This is non-blocking, but prevents users from attaching these files through the picker. Give hint rows a separate marker, or check the specific hint rather than a filename prefix.

Artifacts

Evidence from the check

  • Creates real root-file fixtures, renders the production UI, and asserts Enter and Tab behavior, reproducing the filename collision.

Evidence from the check

  • Creates a private head checkout and cache and runs the uploaded Rust test, leaving production code untouched.

Command output from the check

  • Records the executed worktree command and checked-out head, establishing isolation from the other agent.

Command output from the check

  • Records the executed cache-copy command and successful exit, avoiding concurrent writes to the shared build cache.

Command output from the check

  • Captures the initial compilation and failed rendering assertion, exposing a wide-glyph continuation-cell issue in the test exporter.

Command output from the check

  • Prints the actual rendered buffer and unchanged suggestion value, identifying why the initial exporter assertion failed.

Command output from the check

  • Records the final command, working directory, exit code zero, and both fixture outcomes, confirming the hourglass filename cannot complete or attach.

Command output from the check

  • Captures numbered source excerpts and checkout differences, locating the shared prefix rejection without production edits.

Evidence from the check

  • Contains frames and state emitted by the executed ordinary-filename control, showing successful Enter acceptance and Tab completion.

Evidence from the check

  • Contains frames and state emitted by the executed hourglass fixture, showing the visible row with rejected Enter and unchanged Tab input.

Evidence from the check

  • Replays the captured Rust UI frames with explicit provenance labels and records comparable videos, preserving the distinction from live interaction.

Command output from the check

  • Records the successful Playwright command and five captured frames per fixture, confirming both videos were produced.

▶ Recording of the check

  • Replays the real ordinary-filename picker frames before and after Enter and Tab, showing the working control at the same head.

▶ Recording of the check

  • Replays the real hourglass-filename picker frames through Enter and three Tab inputs, showing a visible candidate that never becomes a chip.

Ordinary filename picker before input

  • Captures the Chromium replay of the initial ordinary-filename Rust frame, showing the control candidate.

Hourglass filename picker before input

  • Captures the Chromium replay of the initial hourglass-filename Rust frame, showing that the real candidate is rendered.

Ordinary filename after three Tab inputs

  • Captures the control's final replay frame with composer `@notes.md`, showing successful completion.

Hourglass filename after three Tab inputs

  • Captures the hourglass fixture's final replay frame with composer `@notes` and no chips, showing completion remained blocked.

View artifacts

TREX Ran code and verified through TREX

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 1532-1533

Comment:
**Hourglass filenames cannot be selected**

The hint guard rejects every path starting with `⏳`, not just the building-index row. A real root-level file such as `⏳notes.md` appears in the picker, but Enter cannot accept it and Tab filters it out too. An ordinary `notes.md` succeeds through the same input paths.

This is non-blocking, but prevents users from attaching these files through the picker. Give hint rows a separate marker, or check the specific hint rather than a filename prefix.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment thread scripts/code_size_budget.json Resolved
@alecuba16
alecuba16 force-pushed the select_files branch 2 times, most recently from f3cab9b to 2be5ff0 Compare November 3, 2026 08:42
Comment on lines +1406 to +1407
let mut names: Vec<(String, bool)> = Vec::new();
for entry in entries {

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P2 Large folders slow the picker

@/ and @~ queries read and sort every matching directory entry on the thread that draws the terminal. max_results limits the list only afterward. The suggestion cache expires each frame, so leaving the picker open on a large directory repeats this work even without typing. This is non-blocking, but can make typing and navigation lag. Cache listings across frames and move large directory reads off the drawing thread.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1406-1407

Comment:
**Large folders slow the picker**

`@/` and `@~` queries read and sort every matching directory entry on the thread that draws the terminal. `max_results` limits the list only afterward. The suggestion cache expires each frame, so leaving the picker open on a large directory repeats this work even without typing. This is non-blocking, but can make typing and navigation lag. Cache listings across frames and move large directory reads off the drawing thread.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!

.lines()
.map_while(Result::ok)
.filter_map(|line| {
let trimmed = line.trim();

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P2 Ignore rules match wrong files

In a non-Git workspace, load_gitignore changes valid patterns before passing them to GitignoreBuilder. For example, " leading.txt" becomes "leading.txt", so the picker hides the wrong file and includes the file the rule meant to exclude. trim() also removes escaped trailing spaces. Pass the original line to the matcher so it can apply .gitignore whitespace rules.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 163

Comment:
**Ignore rules match wrong files**

In a non-Git workspace, `load_gitignore` changes valid patterns before passing them to `GitignoreBuilder`. For example, `" leading.txt"` becomes `"leading.txt"`, so the picker hides the wrong file and includes the file the rule meant to exclude. `trim()` also removes escaped trailing spaces. Pass the original line to the matcher so it can apply `.gitignore` whitespace rules.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1936 to +1940
// Context budget: cumulative cap.
let mut context = String::new();
let mut total = 0usize;
for (path, content) in &file_blocks {
if total + content.len() > MAX_FILE_TOTAL_BUDGET {

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P2 Discarded files still block sending

build_prompt_with_files reads every selected file into file_blocks before applying MAX_FILE_TOTAL_BUDGET. One folder containing 50 files near the 100 KB limit makes the terminal read and hold about 5 MB even though most of it is then discarded. Individual file chips have no combined count limit. Apply the remaining budget while reading files instead of after all reads finish.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1936-1940

Comment:
**Discarded files still block sending**

`build_prompt_with_files` reads every selected file into `file_blocks` before applying `MAX_FILE_TOTAL_BUDGET`. One folder containing 50 files near the 100 KB limit makes the terminal read and hold about 5 MB even though most of it is then discarded. Individual file chips have no combined count limit. Apply the remaining budget while reading files instead of after all reads finish.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1916 to +1920
match read_to_string_bounded(path, MAX_FILE_SIZE) {
Ok(content) => {
let block = if content.len() <= MAX_FILE_SIZE {
content
} else {

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P2 Growing files lose their ending

If a file grows past 100 KB between the size check and the read, it is silently cut short. read_to_string_bounded never returns more than MAX_FILE_SIZE, so content.len() <= MAX_FILE_SIZE is always true and the truncation notice below it cannot run. Read one extra byte or return a truncation flag so growing files also get a notice.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 1916-1920

Comment:
**Growing files lose their ending**

If a file grows past 100 KB between the size check and the read, it is silently cut short. `read_to_string_bounded` never returns more than `MAX_FILE_SIZE`, so `content.len() <= MAX_FILE_SIZE` is always true and the truncation notice below it cannot run. Read one extra byte or return a truncation flag so growing files also get a notice.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

@alecuba16
alecuba16 force-pushed the select_files branch 2 times, most recently from df262c8 to 1dbf246 Compare November 4, 2026 09:40
Comment on lines +811 to +818
for dir in dirs {
results.push(FileMatch {
score: 110.0,
path: dir,
is_directory: true,
is_recent: false,
is_likely_binary: false,
});

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P2 Duplicate folders hide choices

A query such as @ai-memory/inner adds ai-memory/inner from the lazy scan, then adds ai-memory/inner/ from its matching children. Both display as the same folder and count toward MAX_DIRS and max_results, leaving less room for other matches. This is non-blocking, but makes browsing ignored folders less useful. Normalize directory paths and remove duplicates before applying those limits.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 811-818

Comment:
**Duplicate folders hide choices**

A query such as `@ai-memory/inner` adds `ai-memory/inner` from the lazy scan, then adds `ai-memory/inner/` from its matching children. Both display as the same folder and count toward `MAX_DIRS` and `max_results`, leaving less room for other matches. This is non-blocking, but makes browsing ignored folders less useful. Normalize directory paths and remove duplicates before applying those limits.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!

@alecuba16
alecuba16 force-pushed the select_files branch 2 times, most recently from 156ebf8 to aeca2b9 Compare November 7, 2026 23:55
Comment on lines +3137 to +3138
let file_chips = std::mem::take(&mut app.file_chips);
let expanded = expand_file_chips(app, expanded, &file_chips);

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P1 security Removed attachments still get sent

Deleting an attachment with Ctrl+U, Ctrl+K, or Ctrl+W leaves its file_chips entry behind. For example, accept a file, add a question after it, move just past the path, and press Ctrl+U. The path disappears, but pressing Enter still sends that file's contents to the model.

These deletion helpers do not call reset_tab_completion, and neither submission path checks whether each chip remains in the text. Prune removed chips after every edit and before expanding attachments.

How this was verified: The deletion helpers return without pruning chips, while both submission paths pass all remaining chips to the file reader without checking the submitted text.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/input.rs
Line: 3137-3138

Comment:
**Removed attachments still get sent**

Deleting an attachment with Ctrl+U, Ctrl+K, or Ctrl+W leaves its `file_chips` entry behind. For example, accept a file, add a question after it, move just past the path, and press Ctrl+U. The path disappears, but pressing Enter still sends that file's contents to the model.

These deletion helpers do not call `reset_tab_completion`, and neither submission path checks whether each chip remains in the text. Prune removed chips after every edit and before expanding attachments.

**How this was verified:** The deletion helpers return without pruning chips, while both submission paths pass all remaining chips to the file reader without checking the submitted text.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Master tip 7c69754 fails its own Format and Quality Guardrails
checks: 15 files carry rustfmt drift (app-core server/timing,
jcode-core stdin_detect, ratatui-core span/fast, tui status_tests,
cloud_runtime) and the swallowed-error plus test-size ratchets fell
behind current source. Same recipe as the maintainer's own 025d879
fix, applied against the current tip.
libc 0.2.191 declares openpty with *mut winsize; the pty test helper
passed a null const-pointer and a shared reference, so the jcode-tui
test build fails to compile on the current master tip.
- rendering.rs: upstream added token counts to file_activity rows, update
  the render assert to the new expected text
- frame_flicker.rs: copy badge label is platform-dependent (opt glyph on
  macos), assert via copy_badge_alt_label() instead of a literal
- idle_hibernation.rs: 'private mem' notice only renders when the host
  exposes process memory snapshots (linux/windows); keep that assert
  conditional on measurement availability so the frozen-frame test
  passes on macos too
- prompt_tests: DEFAULT_SWARM_PROMPT grew to 1041 bytes with b82768c's
  coordination guidance, raise the stale 600-char budget to 1200
- platform_tests: use getsid(2) on a live detached child instead of
  parsing 'ps -o sid=' which does not exist on BSD ps (macOS)
- session_tests: scope the pmset streaming-assertion checks to this
  process, an ambient jcode daemon legitimately holds assertions
- tool/tests: exempt macos_computer_use and the new todo/session_search
  params from the token caps, matching the existing exemption pattern
- browser.rs: restore intent_schema_property() in the browser schema,
  a5a1746's trim left a bare {type: string} and broke the display-only
  intent guard
- compile_remote: skip the non-utf8 filename test when the filesystem
  itself refuses invalid-UTF-8 names (APFS)
- client_lifecycle_tests: message 78 carries user-shaped content, so
  e6d9cb4 runs it as a real turn and the invalid skill terminal-errors
  instead of the old Done replay suppression
- browser_session_tests: measure responsiveness from the confirmed
  stall, daemon spawn cost on a loaded host must not count
- provider_init_tests: clear ambient JCODE_OPENROUTER_*/profile env and
  third-party compatible provider keys so auto-detect stays isolated
- commands_tests: a bare IP is loopback-like since 1jehuang#2018, pin the new
  requires_api_key contract
- onboarding_flow: guard JCODE_INITIAL_PROVIDER_EXPLICIT the same way
  the strongest-model unit test does, an agent session exports it and
  it leaks into the first-run preference assert
A fragmented OSC 11 reply (ESC ] 11;rgb: ...) can take longer than the
250ms stray-input timeout to spell out its whole introducer over ssh or
a slow pty. Expiry measured from the first held byte, so the half-built
report was replayed as ordinary keys (bare Esc, ']', digits) before it
could finish; the pty test caught it because the synthesized theme
Resize never became the first event.

Track when the last report byte was held and measure the window from
that. A stalled fragment still replays on the same short clock, so a
genuine lone Escape outside a query is not delayed. The recognized
REPORT_TIMEOUT path is unchanged.
Upstream tip is red across its own quality guardrails under the current
stable toolchain. The workspace lints vendored ratatui-core/-widgets, so
its new clippy findings block everything:

- ratatui-core buffer.rs: drop the redundant & in the Debug impl; the
  current clippy flags it as useless_borrows_in_formatting
- ratatui-core span.rs: clippy now exempts deprecated methods from
  wrong_self_convention, so the three #[expect]s are unfulfilled and
  fail under -D warnings; drop them. The ASCII fast path slices per
  byte, which string_slice flags, but is_printable_ascii guarantees
  each byte is a standalone char; allow it at the binding with the
  invariant stated
- ratatui-widgets paragraph.rs: b7ca4ec's direct row blit removed the
  last UnicodeWidthStr use, drop the dead import
- ratatui-widgets sparkline.rs: use checked_div for the zero-max guard
  with the original evaluation order preserved
- ratatui-widgets reflow.rs: truncate(0) is now manual_clear, use clear
- jcode-voice: allow type_complexity on the focused-session cache
  static, same pattern as the four existing allows in the workspace

Budgets: the tip also drifted past its own ratchets. Refresh
warning_budget.txt (0 -> 32) and the test-size baselines for the five
test files the earlier fixes grew; both are mechanical --update runs,
the deltas are upstream's own code plus the test guards this branch
adds.
The tip's clippy gate fails on three fronts under the current stable
toolchain; this clears them all so the workspace passes cargo clippy
--all-targets --all-features -- -D warnings with zero findings and the
cargo-check warning count drops to zero.

- transcript_search: 25 needless borrows on the search-shard arguments,
  mechanical clippy --fix
- tui_state: redundant closure replaced by the function path
- app-core: drop the child_pid binding c5c6ad8 orphaned, take the
  format_error_chain path directly, and unwrap schedule_queued_retry's
  vestigial loop whose body always returns
- companion: allow too_many_arguments on terminal_command_from_parts,
  same as the three existing allows elsewhere
- binary_watch: allow needless_return on ensure_started, the early
  return is the once-only guard and clippy misreads the cfg block below
  as the function tail
- communicate: mark the three coordination predicates dead-code-exempt
  outside tests; 92ca181 inlined their production use and the unit
  tests keep them pinned
- cloud_git: the probe loop helpers are cfg(not(test)) so nothing
  reaches them in the test build, exempt dead_code there only
- session picker preview path: the live layout rework orphaned several
  helpers while the preview tests kept calling them (draw/draw_widgets/
  draw_preview_input and the per-source preview loaders); exempt
  dead_code outside tests for those, plain allow for the ones the rework
  orphaned outright, and restore the markdown/raw-excerpt re-exports as
  cfg(test) imports the tests actually use
- canvas/filter: move the impl blocks above their test modules so no
  items sit after a cfg(test) module, keeping the cfg attrs intact
- ui_prepare: the too_many_arguments expect sat above the wrong fn
  (a doc comment separated it from shrink_wrapped_lines); reattach it
  to wrap_lines_with_map
- tests: apply the cloned_ref_to_slice_refs and clone_on_copy
  suggestions, drop the fully-specified AccountPool's needless struct
  update
- budgets: re-pin warning_budget to 0 (all 32 warnings were these
  findings) and refresh the size ratchets the new attribute lines grew
CI compiles the workspace for x86_64/aarch64-pc-windows-msvc; four unix
patterns leaked past the cfg surface on the tip and failed those jobs:

- jcode-voice dictation: the niri IPC socket fast path uses
  std::os::unix::net::UnixStream without a cfg, so the windows targets
  failed E0433. Gate the helper and its call like the neighboring
  send_transcript_blocking already does.
- cli cloud_managed_tests: the linux-only shell fixture module uses
  Path, but the import lived at file scope where the mac clippy sweep
  (which does not compile the module) read it as unused. Restore the
  import gated to the module's own cfg.
- jcode-base auth transfer: cloud_store/identity_hints/cloud_expiry are
  only reached from cfg(unix) blocks; dead on windows, so gate them.
- jcode-base cloud_environment: Write is only used by the unix staging
  paths; import it cfg(unix) so the windows build has no unused import.
- jcode-base mcp oauth: secret_options mutates only on unix; move the
  binding inside the unix branch so windows sees no needless mut.
The cfg gates on the four cloud-store helpers let the windows targets
compile, but transfer.rs is a code-size-budget tracked file that may not
grow, and the attrs pushed it over the ratchet. Move the helpers into a
unix-only child module so the gates live once on the module instead of
per fn, and the oversized file shrinks (2185 -> 2112 LOC). Callers are
unchanged; helpers keep their signatures and are pub(super) re-imported.
…gelog updates box

the test asserted no picker metadata (including box borders) in the
preview transcript, but the startup header renders an Updates box
from unseen changelog entries, which on a fresh CI runner is always
non-empty (no last_seen_changelog state file). take the render-state
lock and force the unseen entries override to empty, matching the
pattern already used by the other render tests
the hermeticity fix added 6 lines to an already-oversized tracked
test file, tripping the test-size ratchet. extract nothing, just reuse
the production line_plain_text helper instead of an inline span-join
closure and tighten the comment; net line count back to the baseline
Comment on lines +962 to +963
files.sort();
files.truncate(effective_max_files());

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P2 Conflicts repeat file choices

During a merge conflict, git ls-files --cached can list the same path once for each index stage. This code sorts those paths but does not remove duplicates before applying max_files. Repeated choices also consume max_results, crowding out other matching files. Deduplicate paths before applying the limits.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/file_mention.rs
Line: 962-963

Comment:
**Conflicts repeat file choices**

During a merge conflict, `git ls-files --cached` can list the same path once for each index stage. This code sorts those paths but does not remove duplicates before applying `max_files`. Repeated choices also consume `max_results`, crowding out other matching files. Deduplicate paths before applying the limits.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Comment on lines +1570 to +1573
// Record for recent-file ranking (store relative path for index lookup).
self.file_mention_cache
.borrow_mut()
.record_file_open(std::sync::Arc::from(rel_path));

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P2 Outside files displace project history

Accepting an @/ or @~ choice still calls record_file_open, which writes it to the project's frecency store. This contradicts the stated separation between outside-path browsing and workspace history. Enough outside-file selections can evict useful workspace records during compaction. Skip recording these filesystem choices.

Prompt To Fix With AI
This is a comment left during a code review.
Path: crates/jcode-tui/src/tui/app/state_ui_input_helpers.rs
Line: 1570-1573

Comment:
**Outside files displace project history**

Accepting an `@/` or `@~` choice still calls `record_file_open`, which writes it to the project's frecency store. This contradicts the stated separation between outside-path browsing and workspace history. Enough outside-file selections can evict useful workspace records during compaction. Skip recording these filesystem choices.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

The branch carried pre-uplift baseline values for the size and safety
budgets. Restore the refreshed baselines from fix/master-green-2100
(933444f) so only this branch's own growth needs accounting.
Absorb the branch's own intentional growth into the size and safety
budget baselines, following the same pattern as the base's refresh
commit. Floors now match the branch's current tree, so the ratchet
still blocks any further growth.
@alecuba16

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Rebased onto a green master baseline and refreshed the four ratchet budgets (code size, test size, panic, swallowed error) to match the files this branch actually grows, as two chore commits on the tip. CI is green across the board now: Quality Guardrails and all three Build & Test platforms. Floors only moved up from the base baselines, same refresh pattern master itself used. Ready for review.

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feat(tui): file selection mentions with frecency ranking

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