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The test comment said "cpu_percent", but the API is new_cpu_counter()
plus :sample(). Prose only, the code was always consistent, but a
comment naming a nonexistent function sends the next reader looking
for it.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Load is a delta, so one reading cannot yield a percentage. The first
call returns nil rather than a fabricated number: 100% on startup reads
as a real spike.
A non-advancing counter also returns nil instead of dividing by zero,
and the result is clamped because a suspend/resume can produce a
nonsense delta.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Parsers take file contents as a string, not a path, so they test
against committed fixtures with no filesystem mocking.
hwmon is globbed by its name file rather than a fixed index, carried
over from the old config: indices drift across kernel reorders and a
stale one silently reads a different chip.
Failure returns nil, never 0. A sensor reading 0 C is legitimate, so 0
cannot double as an error value.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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The live config is hyprland.lua requiring sections/, with rules
declared through an hl helper API, so the planned .conf fragment with
source = could not have worked. Task 8 now writes a Lua section using
hl.window_rule and hl.bind, matching the existing rules.
Three facts checked against the running config:
- keybindings.lua already binds SUPER+D to the unnamed special
workspace, so the dashboard takes SUPER+S.
- autostart.lua already runs a bare conky. The dashboard replaces it,
so that line changes rather than a new exec being added, which would
run two instances.
- The unnamed special workspace hosts the btop scratchpad, so the
dashboard gets its own special:dash.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Ten tasks, TDD where there is logic to test. Ordered so nothing
half-built touches the working desktop: pure Lua and its tests first,
then pixels, then the palette and the widget, then window placement,
and only last does UDT switch over to this repo's template.
Leads with the platform facts verified during design, because each one
invalidates the approach an implementer would otherwise reach for:
conky_surface() instead of the Xlib idiom on Wayland, own_window_type
normal rather than desktop, a Lua fault presenting as a blank screen,
grim capturing screen coordinates so it needs the dashboard's workspace
active, and Cairo having no Black font weight.
The pcall error overlay is built before any widget and verified by
injecting a deliberate fault, since it is the only channel that makes a
later mistake visible.
Fixture arithmetic in the parser tests is checked rather than asserted
from memory: a wrong expected value sends the implementer chasing a bug
that is not there.
Paths are ~-relative throughout, so the plan does not pin to one home
directory.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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A polybar backup script for OWM turned up, which beats the weather.com
scraper: it has a working condition mapping. Port the domain knowledge,
not the code.
Worth keeping: the OWM condition-id ranges, day/night selection against
sys.sunrise/sys.sunset, and the Beaufort wind thresholds. Becomes a
table in data.lua.
Not portable: polybar %{F}/%{T} format tokens, hardcoded hex (UDT roles
replace them), bc conversions (Lua arithmetic), one-line output (a
card). So the script shrinks to curl-and-cache and Lua does the rest.
The reference script hardcodes a live API key plus city and country. The
key and location move to ~/.config/udt/weather.env, outside the repo,
same reasoning as roles.conf. Nothing carries a key in-repo, and
weather.env is gitignored so a stray copy cannot be staged.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Conky dashboard drawn with Cairo from Lua, on a Hyprland special
workspace. Replaces UDT's variables-based conky.conf.in.
Platform facts verified before fixing the design, since each one
invalidates a common approach:
- Cairo on Wayland needs conky_surface(). The usual
cairo_xlib_surface_create idiom gets a nil drawable and visual under
out_to_wayland, so every tutorial using it is wrong here.
- own_window_type='normal' makes Conky a real toplevel that a Hyprland
windowrule can place; 'desktop' is a layer-surface and cannot be
assigned to a workspace.
- Cairo output covers conky.text, so conky.text stays empty.
Layout is a table of grid cells at the top of dashboard.lua, so
reordering widgets is one edit and the same table works on both
monitors. The 2560x1600 mockup's vertical stack does not fit the
2560x1080 primary, which is what motivates cells over pixels.
hwmon glob-by-name is carried over from the old config deliberately:
fixed indices drift across kernel reorders and silently read the wrong
chip.
v1 is one clock card end to end. Widgets are additive after that.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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