77 lines
4.1 KiB
Markdown
77 lines
4.1 KiB
Markdown
# Status line (`statusline.py`)
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The custom Claude Code status line, ordered **work info (left) → system info (right)**,
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segments joined by a light-gray `│`. It's **responsive**: always a single line — if the
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rendered width would exceed the terminal (`$COLUMNS`, which Claude Code re-exports on
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resize), trailing (lowest-priority) segments are dropped from the right until it fits.
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Wide — everything:
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```
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📁 ~/.dots │ 🌿 .dots main* │ 🤖 Opus 4.8 (1M) · xhigh │ 📝 84% (843k) │ 📊 34% 2h54m │ 💰 $0.40 $12.00/h │ 💾 81%
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```
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Narrow — trailing segments trimmed:
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```
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📁 ~/.dots │ 🌿 .dots main* │ 🤖 Opus 4.8 (1M) · xhigh │ 📝 84% (843k) │ 📊 34% 2h54m │ 💰 $0.40 $12.00/h
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```
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Every segment is defensive: if its data is missing or a command fails, the segment is
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simply omitted (the bar never crashes the UI). Secondary detail (the parts in light gray)
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is supplementary to the main colored value.
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## Live segments
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| | Segment | Shows | Notes |
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|---|---|---|---|
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| | **Vim mode** | `[I]`/`[N]`/`[V]` editor mode | only with `editorMode: vim`; pair with `hideVimModeIndicator: true` so the built-in one doesn't duplicate it |
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| 📁 | **Directory** | Current working dir, with `~` for home | cyan |
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| 🌿 | **Git** | `repo branch` + `*` if dirty + `↑N`/`↓N` ahead/behind upstream | repo = magenta; branch = green when clean, yellow + red `*` when dirty; `↑` cyan, `↓` yellow. Omitted outside a repo |
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| 🤖 | **Model** | Active model display name + `· effort` level (`low`/`medium`/`high`/`xhigh`) | name = blue, effort = light gray; effort omitted for models without the param |
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| 📝 | **Context** | `% of context window used` + `(Nk)` tokens | window = 1M for `[1m]` models, else 200k. Adds a red **⚠compact** at ≥80% |
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| 📊 | **5h usage** | `% of the 5-hour rolling limit used` + time until it resets | from `rate_limits.five_hour`; Pro/Max only, and absent until the first API response of a session |
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| 💰 | **Cost** | `$` session cost so far + `$/h` burn rate | burn rate shown once the session exceeds ~30s |
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| 💾 | **Disk** | `% used` of the filesystem at the cwd | from `statvfs` |
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## Colour legend
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Most numbers are **green / yellow / red** by threshold — green = healthy, red = needs
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attention. Light gray = secondary detail. Thresholds (`green < … < yellow < … ≤ red`):
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| Segment | green | yellow | red |
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|---|---|---|---|
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| Context | `< 50%` | `50–80%` | `≥ 80%` (⚠compact) |
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| 5h usage | `< 50%` | `50–80%` | `≥ 80%` |
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| Disk | `< 75%` | `75–90%` | `≥ 90%` |
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> Light gray is `\033[37m`; dimming (`\033[2m`) is disabled because it blended the gray
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> detail text into dark terminal backgrounds. To go brighter, set `"gray"` to `\033[97m`
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> (bright white) in the `C` table near the top of `statusline.py`.
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## Optional segments (defined but not shown)
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These functions exist in `statusline.py` but aren't in the output. Enable one by adding it
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to the `work` or `system` list in `main()`:
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RAM/CPU/temp were **retired 2026-07-26**: the status line only refreshes on message
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events, so system metrics sat visibly stale between turns — the tmux status bar
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(`tmux/scripts/`) owns live system metrics now.
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| | Function | Shows |
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|---|---|---|
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| 🧠 | `ram_segment` | `% used` + `used/totalG` from `/proc/meminfo` (green `<70%` / yellow / red `≥85%`) |
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| 🖥️ | `cpu_segment` | `% busy` (diffed `/proc/stat` snapshot) + loadavg + cores (green `<60%` / red `≥85%`) |
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| 🌡️ | `temp_segment` | hottest CPU thermal zone °C (green `<60` / red `≥80`) |
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| ✏️ | `velocity_segment` | `+added/-removed` lines this session + lines/min |
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| ♻️ | `cache_segment` | prompt-cache hit % (higher is better) |
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| ⚙️ | `api_segment` | share of wall-clock time spent in API/inference |
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| | `version_segment` | Claude Code version (`vX.Y.Z`) |
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| 🎨 | `style_segment` | active output-style name |
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## Where it lives
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`statusline.py` is tracked in this repo and symlinked to `~/.claude/statusline.py`;
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`settings.json` runs it via `statusLine` (`/usr/bin/env python3 ~/.claude/statusline.py`).
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Edits take effect on the next status refresh.
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