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The project list is now a persistent home tab; each opened project runs
in its own WebContentsView tab below a 38px tab strip (hidden when only
home is open). Background tabs stay fully live (sync, collab, terminals).
Main process: per-project singletons (socket, sync bridge, compilation
manager, MCP state, compile watcher) become per-tab ProjectSession
objects keyed by webContents.id; PTYs are scoped per webContents.
Hardened against races found in review: concurrent ot:connect dedupe,
teardown/reopen serialization on the shared sync dir, destroyed-window
guards on all bridge sends, real logout that closes project tabs.
Renderer: tabs strip in the home renderer (wt-* classes, distinct from
the editor's .tab-bar file tabs), project tabs boot from ?projectId= and
connect straight into the editor; Back closes the tab.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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The builder's GitHub publisher refuses to attach assets to releases
published more than two hours earlier.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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@electron/rebuild swallows child-process output and hung indefinitely at
"preparing node-pty" on both windows-latest and windows-2022 images.
Skip lifecycle scripts during npm ci and rebuild node-pty for Electron
directly via node-gyp (verbose, 10-minute step timeout), then package
with npmRebuild=false.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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windows-latest moved to Visual Studio 2026 in June 2026; node-gyp cannot
detect VS2026 yet (fails on v9, hangs on v11). Also add a 25-minute job
timeout and electron-builder debug output.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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@electron/rebuild requires the in-tree node-gyp directly, so the
npm_config_node_gyp env override had no effect — force the resolution
tree-wide instead.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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- Normalize watcher paths to forward slashes (Windows events use
backslashes; all sync maps are '/'-keyed), path.delimiter for
PATH/TEXINPUTS, dirname() instead of '/'-substring splits, bridge log
in os.tmpdir()
- Platform-aware TeX search paths (TeX Live / MiKTeX on Windows),
terminal shell default (COMSPEC/powershell), native window frame off
macOS
- electron-builder: NSIS target + win icon + GitHub publish provider
- GitHub Actions workflow builds the Windows installer on tag push
(node-pty needs MSVC — cannot cross-compile from macOS) and attaches
it to the release
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Workspace browser:
- The left panel gains a Project/Workspace toggle; the Workspace view
browses the agent scratch space (claude-workspace/, never synced)
- Open/edit workspace text files in the editor with debounced auto-save
(flushed on tab switch); binaries open with the system default app
- Import to Project copies a workspace file/folder into the project root
where the sync bridge picks it up and creates it on Overleaf
(collision-safe: falls back to a -imported suffix)
- New file/folder, rename, delete, reveal in Finder, drag-drop into the
workspace, 5s auto-refresh while visible
OpenAlex search (MCP):
- New search_openalex tool: broad OpenAlex coverage with an explicit
citation-authority policy — BibTeX is cross-checked against Semantic
Scholar (by DOI, then by exact title, since OpenAlex DOIs can point at
mirrors); entries not found on S2 are flagged "OpenAlex only" with
instructions to verify via web search before citing
- Tool description, agent guide, permission allowlist, and README updated
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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- Write AGENTS.md (the cross-tool agent-instructions standard) at the
project root alongside .claude/CLAUDE.md, generated from one guide;
includes an Agent Setup section with the project-specific Codex MCP
registration command. AGENTS.md is excluded from Overleaf sync.
- MCP server resolves the project directory from its own script location
when cwd doesn't contain the state file, so clients that launch MCP
servers from a global config (Codex) work without special setup
- Terminal: swallow the duplicate compositionend commit when switching
input sources mid-composition (xterm finalizes on the keydown and then
again on compositionend, sending pinyin text twice)
- Don't render our own colored overlay cursor — the native caret already
marks our position; overlay cursors are collaborators-only (web parity)
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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- Every live project row gets an "Add to tag" button with an in-place
checklist dropdown (opens upward near the bottom of the window), so
tagging no longer requires selecting rows and scrolling back to the
toolbar
- The toolbar bulk-tag dropdown shares the same checklist component
- Page header, search, and bulk actions stay fixed while the project
table scrolls; the table header is sticky
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Uses the Overleaf open-source code as golden reference throughout.
Project dashboard (official /tag + /project endpoints):
- Sidebar filters (all/yours/shared/archived/trashed) with the web
client's exact filtering predicates
- Tags: create/edit/delete with the official preset palette, per-row
chips, bulk add/remove, uncategorized view
- Archive/trash/restore/delete-forever/leave, rename, copy, zip download,
multi-select bulk actions (parallelized)
Editor:
- Remote cursors rewritten as a layer() overlay ported from Overleaf's
cursor-highlights — no more inline widgets disturbing line wrapping,
cursor motion, or IME composition
- Autocomplete ported from Overleaf's completion system: official
top-hundred snippet data, environment templates, package/class/bib
style data (verbatim, AGPL), project-wide \ref and \cite completion,
package commands via the official /project/:id/metadata endpoint,
brace-aware apply behavior, official keymap precedence
- Fixed completion popup keybindings (Enter/arrows previously fell
through to the default keymap) and dead Enter/Backspace handlers in
latexClosing
File sync reliability:
- Two-tier compile-artifact detection: pure build noise is ignored,
while pdf/docx/gz/bbl sync unless there is concrete local-compile
evidence — agent-generated figure PDFs now sync (previously all PDFs
were blanket-ignored)
- Local compile outputs are registered with the bridge so nested-root
projects don't upload the root PDF as junk
- Upload retry with exponential backoff and permanent-failure parking,
CSRF refresh with session validation and single-flight guard,
periodic orphan rescan, sync status surfaced in the status bar
- Official textExtensions list (plus legacy extras) for doc-vs-file
classification
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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The server broadcasts otUpdateApplied (with ops) to ALL clients including
the sender. Our bridge was treating its own echoed ops as remote ops and
re-applying them, causing text duplication (e.g. "simulatorimulator").
Rewrite OT handling to match Overleaf's ShareJS _onMessage pattern:
- ACK = no ops OR meta.source matches our publicId (own echo)
- REMOTE = ops from a different source
- ACK path calls onAck() without re-applying ops
- OtClient silently drops duplicate acks in synchronized state
- OtClient drops stale remote ops (version < current)
- Remove pendingEchos counter in favor of meta.source detection
Also: refresh MCP comment contexts on new-comment/delete-thread events,
add Overleaf reference repo to .gitignore.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Settings modal on project list page for OpenAI, Anthropic, OpenRouter, Gemini, Semantic Scholar keys
- Keys stored in userData/api-keys.json, masked by default with show/hide toggle
- S2 API key passed to MCP server via .lattex-mcp.json to avoid rate limits
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- read_compiled_pdf: returns PDF path for Claude Code to visually inspect compiled output
- search_citation: search Semantic Scholar for papers, returns ready-to-use BibTeX entries
- Updated CLAUDE.md template with new tool docs, workflows, and permissions
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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The resolve-thread socket event was only handled in ReviewPanel's
useEffect, but ReviewPanel is conditionally mounted (only when visible).
When Claude Code resolves a comment via MCP with the panel hidden, the
resolvedThreadIds store was never updated, so the editor highlight
persisted until the user opened the Review panel.
Fix: add a comments:event listener in App.tsx (always mounted) that
updates resolvedThreadIds for resolve/reopen/delete-thread events.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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When addEditorDoc is called while the bridge has in-flight OT ops
(awaitingConfirm), the ack/error response was ignored because
handleOtUpdate/handleOtError skipped editor docs entirely. This left
the bridge's OtClient stuck and the edit appeared lost until
removeEditorDoc re-discovered the discrepancy.
Fix: always process acks regardless of editor doc status, and only
skip OT errors for editor docs when the bridge has no OtClient.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Split "read main.tex and all inputs" into two discrete steps:
1. Read main file to discover \input/\include references
2. Read EVERY referenced file one by one (no skipping, no skimming)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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CLAUDE.md
- Online users: click "N online" badge to see user names with cursor colors
- MCP get_online_users tool: main process tracks users in .lattex-online-users.json
- CLAUDE.md: show current user's Overleaf name (fetched from /user/settings)
- CLAUDE.md: mandatory first steps with MUST/NEVER language at top of file
- claude-workspace/ directory: untracked scratch space for Claude Code experiments
- chokidar + bridge skip claude-workspace/ to prevent syncing to Overleaf
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Fix .bib (and other non-active tab) edits disappearing: call otLeaveDoc
on tab switch so bridge takes back OT ownership; release .bib pre-loads
immediately after reading content for citation autocomplete
- Always update lastKnownContent in processDocChange for editor docs to
prevent stale state accumulation
- Flush pending OT ops in OverleafDocSync.destroy() before tab switch
- Add three-way merge in replaceContent to preserve concurrent remote edits
- Wire MCP compile to UI: file-based signal between MCP server and Electron
main process, with compile animation and PDF refresh in renderer
- Add CLSI flush before compile to prevent stale cached results
- Add OT error recovery: re-join doc and re-apply disk changes on otUpdateError
- Add bridge reconnect handling: reset OtClient on docRejoined for non-editor docs
- Add compile concurrency lock to prevent duplicate compiles
- removeEditorDoc compares disk vs server content to catch in-flight ops
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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setPdfPath with the same path didn't trigger re-render. Added pdfVersion
counter that increments on every setPdfPath call, used as dependency in
PdfViewer's renderPdf to force reload regardless of path equality.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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When Claude Code writes to disk, a debounce timer is set. If a remote
Overleaf op arrives during the debounce, onEditorContentChanged would
write the remote content back to disk, overwriting Claude Code's edit.
Fix: skip disk write and lastKnownContent update in onEditorContentChanged
when a debounce is pending (external disk change waiting to be processed).
Also increase writesInProgress guard to 800ms to exceed chokidar's 500ms
polling interval.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Includes main file path, TeX file list, and rules for Claude Code:
read full document before editing, match existing style, compile after
changes, respond to comments properly.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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MCP server was not included in DMG builds. Now esbuild bundles it into
a single file (out/mcp/lattex.mjs) with all dependencies inlined, and
electron-builder unpacks it from asar so external node can execute it.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- In-file search: Cmd+F opens CodeMirror search panel with themed styling
- Multi-file search: Cmd+Shift+F or toolbar button opens project-wide search
- PDF text search: Cmd+F on PDF or search button to find text in PDF
- SyncTeX forward search: Cmd+Enter jumps from editor cursor to PDF position
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Zoom centers on mouse cursor position (scroll adjustment)
- Two-phase render: instant CSS transform + debounced canvas re-render
- No blank flash: old canvases kept until new render completes atomically
- No bounce-back: track renderedScale separately from renderScale
- Inner wrapper div for CSS transform (container stays as scroll viewport)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- synctex.gz CDN returns 503; use Overleaf web proxy URL with session cookie
- Normalize synctex paths (collapse /./ segments)
- Pass session cookie to all compile artifact downloads
- Smooth editor zoom: continuous delta, debounced remeasure
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Exclude CLAUDE.md from sync (move to .claude/ dotfile dir, clean up root copy)
- Add Ctrl+wheel font zoom for editor (capture phase, disable Electron built-in zoom)
- Load cached PDF on project connect (avoid recompile to see last PDF)
- Add synctex debug logging for PDF↔source navigation troubleshooting
- Fix .claude/ dir creation order (mkdir before write)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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get_compile_log
New MCP tools for agents to debug LaTeX compilation:
- get_compile_errors: parsed errors with file paths and line numbers
- get_compile_warnings: parsed warnings with locations
- get_compile_log: full raw log with optional tail parameter
- compile_latex: improved to fetch log via CDN URL, return error summary
Log parsing uses the same Overleaf-style parser as the PdfViewer component.
Updated CLAUDE.md template with compile-debug workflow documentation.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Overleaf
The root cause of server compile failures was that output.pdf was being
saved into the synced project directory, causing FileSyncBridge to upload
it back to Overleaf as a project file. CLSI then failed because it found
an existing output.pdf blocking its compilation output.
Changes:
- Save compile artifacts (PDF, synctex.gz) to .build/ subdirectory instead
of the synced project root — .build is a dotfile dir ignored by chokidar
- Add pdf/pdfxref/stderr/stdout/chktex to FileSyncBridge ignore patterns
- Add rootResourcePath to compile request body (matches Overleaf web client)
- Implement PDF download with fallback via direct build ID URL construction
- Add server compile handler, compile dropdown menu, PDF save button
- Fix resolved comment highlight flash on startup (null initial state)
- Fix EPIPE crash on startup when stdout/stderr is closed
- Fix synctex inverse search to use relative paths via OT doc join
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Fix Socket.IO v0.9 ack parser to handle acks without data (6:::N format),
fixing comment creation stuck at "sending"
- Rewrite comment sync to use local state updates from socket events
(new-comment, resolve-thread, reopen-thread, delete-thread, edit-message,
delete-message) instead of REST re-fetches — instant UI updates
- Optimistic updates for all comment actions (resolve, reopen, delete, reply, edit)
- Fetch threads + contexts on project connect so editor highlights are correct
from startup, not only when review panel is opened
- Add comment context to store immediately after creation for instant highlight
- Rename MCP server from overleaf-comments to lattex, add 6 new tools:
reopen_comment, delete_comment, get_chat_messages, send_chat_message,
list_project_files, compile_latex — all auto-granted permissions
- Refactor terminal from fixed Terminal/Claude tabs to dynamic multi-tab with
bottom tab bar and unlimited new terminal creation
- Fix chat panel layout overflow pushing other components
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Sync new local files (created by Claude Code etc.) to Overleaf via REST API
- Create intermediate folders as needed, handle both text docs and binaries
- Scan for orphaned files on startup that weren't synced previously
- Add "Copy Comments" quick action: copies unresolved comments for current file
to clipboard with line numbers, context, author names, and timestamps
- Filter comments to active file only, exclude resolved threads
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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queries
- Add missing PTY environment variables (TERM, COLORTERM, LANG, TERM_PROGRAM)
- Strip DEC 2026 synchronized output sequences that cause xterm.js to buffer
indefinitely when begin/end markers are split across PTY chunks
- Enable xterm.js windowOptions for terminal pixel/char size queries that
Claude Code sends to determine rendering capabilities
- Launch Claude tab via login shell for full PATH inheritance
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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