jpmschweitzerandClaude Opus 4.8 59c5c32b5b feat(watchdog): dedicated-isolate heartbeat + resource sampler (T-435)
A main-isolate Timer would freeze WITH the main isolate and tell us nothing,
so the watchdog runs in its own isolate: it fsyncs a heartbeat every ~500ms
(so the last on-disk heartbeat bounds a freeze to ~500ms) and every ~2s samples
this process's thread / handle-or-fd / child-host / RSS counts. A monotonically
climbing child or thread count is the leak signature the soak couldn't
reproduce on CI but a real freeze would show. Output is JSON-lines in
clide-watchdog.log, bounded by the same truncate-on-cap scheme as the crumb
files.

- watchdog.dart (Flutter-free, tested): ResourceSample, ResourceSampler
  (forPlatform), PosixResourceSampler (/proc/self: Threads, fd count, task
  children, ProcessInfo.currentRss), WatchdogFile (bounded fsynced JSON-lines),
  runWatchdog (the loop, bounded by maxTicks for tests), watchdogEntry (the
  sendable Isolate.spawn entry).
- watchdog_windows.dart (coverage:ignore — Win32 FFI, validated only at runtime
  on Windows): one CreateToolhelp32Snapshot for thread + conhost/OpenConsole
  child count, GetProcessHandleCount, ProcessInfo.currentRss. Exhaustively
  defensive: any failure yields a -1 field, snapshot handle always closed, never
  throws.
- main.dart: spawn the watchdog at boot (desktop only), non-fatal. Per-line
  fsync means the OS reaping the isolate at exit loses nothing.

Tests: ResourceSample.toJson, Posix sampler against real /proc, WatchdogFile
(JSON shape, cap, disabled), runWatchdog (immediate baseline tick). Coverage
gate 95.08%.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-15 10:15:49 +02:00
2026-04-20 20:30:51 +02:00
2026-06-14 18:21:41 +02:00
2026-06-06 16:06:37 +02:00
2026-06-14 18:21:41 +02:00

clide

An IDE for Claude Code CLI. Native rendering, terminal-first interaction, pql-powered queries, canvas and graph surfaces. Linux and macOS.

Architecture

Single Flutter package at the repo root. The app hosts everything in-process: IPC server, subsystem handlers (pane, files, editor, git, pql), and the extension framework. tmux owns Claude session persistence (D-41).

  • lib/ — all Dart code. Core subsystems (lib/src/), kernel services (lib/kernel/), UI widgets (lib/widgets/), built-in extensions (lib/builtin/), the extension framework (lib/extension/).
  • PTYlib/src/pty/ spawns child processes via Dart FFI posix_openpt() + posix_spawn() directly; no external helper binary.
  • native/ — vendored native libraries (libtree-sitter.so with wasmtime embedded). Linux only today.
  • pql — external supporter tool. Clide wraps it for every query surface; never re-implements it.

Claude drives the UI through a clide CLI surface (Bash, not MCP). Every CLI subcommand has a UI affordance and every UI action has a CLI equivalent (D-6).

Built-in extensions

canvas, claude, claude_control, decisions, diff, editor, extensions_ui, files, git, graph, grammars_core, ipc_status, keybindings_ui, markdown, pql, problems, settings_ui, terminal, theme_picker, tickets, todos, welcome.

Building

Requires Flutter (stable channel) and pql on the host. pql is a hard dependency — the pre-push gate runs pql decisions validate and the governance + ticket workflow is built on it (see its repo for install). One-time setup:

make hooks && flutter pub get
pql init                 # once, in the repo root — wires up the pql skill + perms

Then:

make run              # launch the desktop app
make test             # fast suite: analyze + format + unit + widget + golden
make test-core        # core subsystem tests (IPC, PTY, git, pane registry)
make test-a11y        # accessibility contract tests
make test-integration # real app boot integration tests
make build-linux      # flutter build linux
make build-macos      # flutter build macos
make push-check       # pre-push gate: decisions + core + fast + a11y + coverage + changelog

Status

Pre-v2.0 (2.0.0-dev). Interaction model and panel system landed. The Python Textual v1.2.0 predecessor is archived under legacy/.

Documentation

  • docs/architecture.md — current architecture (read this first).
  • CONTRIBUTING.md — how to clone, build, test, file tickets, and write D-records.
  • docs/initial-plan.md — historical design doc; preserved as a snapshot of the 2026-04 plan, much of it now superseded.
  • governance/decisions/ — confirmed decisions (D-NNN), open questions (Q-NNN), rejected alternatives (R-NNN).
  • CLAUDE.md — Claude-addressed working notes (guardrails, repo layout).

License

MIT. See LICENSE.

S
Description
CLI Claude
Readme MIT
32 MiB
Languages
Dart 86.3%
Python 8.2%
Tree-sitter Query 1.7%
Shell 0.8%
C 0.6%
Other 2.2%