verify speed by read-back, reject stray arguments, clarify the docs

I4 - info, enable, disable and list declared no arity, so cobra applied
arbitraryArgs and a stray token exited 0. A caller could run
`brightness 200 --zone logo` style scripts and see `enable extra` report
success, believing a lighting change happened when the argument was silently
dropped. All four now use cobra.NoArgs; the four one-argument commands were
already ExactArgs(1) and are pinned by a test so they stay that way.

speed had the same lie brightness had, and a worse shape: the firmware
collapses every speed above 0 to 4 on the logo and side channels, so almost
any speed set there was misreported. It now reads back like brightness, and
`Speed logo 4 backlight 60 side 4 (requested 60)` replaces "Speed set to 60".
The read-back is not duplicated: setValueVerified is parameter-agnostic and
both commands route through it, so a future parameter needs no new path.

I1 - "persistent across commands" meant cobra's persistent-flag sense, not
"remembered between runs", and invited exactly the wrong guess: set --zone
once, then write all three zones. Both docs now say the flag is accepted on
any subcommand but must be repeated on every invocation.

I2 - the skill pointed at `qmk-rgb-tool --help` for hidraw permissions. No
command's help has ever mentioned hidraw, udev or permissions; the setup
commands are in README under Platform Setup.

I3 - the skill claimed a reboot "reverts to the last saved RGB state", which
contradicts the README's central point that profiles are the only way to
persist lighting, since the firmware has no EEPROM. It now says a reboot
reverts to the firmware's own default and `load` reapplies a profile.

Also documents argument arity per command in the CLI reference.

.claude/skills/qmk-rgb/SKILL.md

@@ -56,10 +56,28 @@ qmk-rgb-tool delete name # Remove a profile
 ## Zone behavior
 
 Without `--zone`, commands target Logo, Backlight, and Side in that order.
-With `--zone`, commands target exactly one zone.
+With `--zone`, commands target exactly one zone. `--zone` is not remembered
+between runs, so repeat it on every invocation.
 
 Logo and Side support fewer effects (0–6). Backlight supports the full catalog (0–45). Always check `qmk-rgb-tool effect --list` to see what's available per zone.
 
+## Values the keyboard changes
+
+`brightness` and `speed` accept 0–255, but the firmware rescales per channel:
+`logo` and `side` cap brightness at 160 and collapse any speed above 0 to 4,
+while `backlight` scales brightness up to 255 and applies speed as given.
+
+Both commands read the value back. When a zone differs, the output names what
+was actually applied:
+
+```
+$ qmk-rgb-tool brightness 200
+Brightness logo 160 backlight 255 side 160 (requested 200)
+```
+
+Expect this instead of "Brightness set to 200". Never report a value to the
+user that the tool's own output did not confirm.
+
 ## Compatibility aliases
 
 - `off` → `none`
@@ -71,6 +89,6 @@ Aliases are zone-aware. `qmk-rgb-tool effect rainbow` means different effects on
 
 ## Known limitations
 
-- Profiles save to files on disk, not to the keyboard's internal memory. Rebooting without a loaded profile reverts to the last saved RGB state.
+- Profiles save to files on disk, not to the keyboard's internal memory. A reboot reverts to the firmware's own default effect; run `qmk-rgb-tool load <name>` to reapply a profile.
 - Some effects are Backlight-only (IDs 7–45). Trying them on Logo/Side will fail before the device is opened.
-- On Linux, hidraw device permissions may be required (see `qmk-rgb-tool --help` for details).
+- On Linux, hidraw device permissions may be required. The setup commands are in the README under "Platform Setup".

AGENTS.md

@@ -21,7 +21,7 @@ qmk-rgb-tool effect breathing
 qmk-rgb-tool effect rainbow_moving_chevron
 qmk-rgb-tool effect rainbow_moving_chevron --zone backlight
 qmk-rgb-tool brightness <val>       # 0-255, verified by read-back
-qmk-rgb-tool speed <val>            # 0-255, not read back
+qmk-rgb-tool speed <val>            # 0-255, verified by read-back
 qmk-rgb-tool color <hex>            # Six hexadecimal digits
 qmk-rgb-tool mode <index>           # Raw zone-specific effect ID
 qmk-rgb-tool enable
@@ -48,8 +48,11 @@ otherwise they fail and list the selectable numbers, so a command never targets
 an unintended keyboard. Device numbers are stable for the current session only —
 HID paths are reassigned on reboot and most keyboards report no serial number.
 
-`--zone` is persistent across commands and accepts `logo`, `backlight`, or `side`.
-Without `--zone`, commands target Logo, Backlight, and Side in that order.
+`--zone` accepts `logo`, `backlight`, or `side` and may be given on any
+subcommand. It is a persistent flag in cobra's sense only — accepted on the
+root and inherited by subcommands — and nothing is remembered between runs, so
+it must be repeated on every invocation. Without `--zone`, commands target
+Logo, Backlight, and Side in that order.
 With `--zone`, commands target exactly one zone. Unsupported default targets
 are skipped with a stderr warning; unsupported explicit-zone effects and
 unknown names fail before the device is opened.
@@ -145,12 +148,12 @@ an accepted 0–255 request is not the value the keyboard holds: `logo` and
 `side` cap brightness at 160 and collapse any speed above 0 to 4, while
 `backlight` scales brightness up to 255 and applies speed as given.
 
-`brightness` therefore reads every selected zone back and prints what was
-actually applied; where all zones match it prints `Brightness set to N`, and
-where any zone differs it prints one summary line naming each zone's real value
-and the request. Never let a command report success for a value the keyboard did
-not accept. `speed` does not read back yet and still reports the requested
-value — do not document it as verified.
+`brightness` and `speed` therefore read every selected zone back and print what
+was actually applied; where all zones match they print `Brightness set to N` or
+`Speed set to N`, and where any zone differs they print one summary line naming
+each zone's real value and the request. Never let a command report success for a
+value the keyboard did not accept. Both read back through the shared
+`setValueVerified`, so a future parameter needs no new read-back path.
 
 When you see a name or a behavior in one file, grep for it across the whole repo before deciding if a change is consistent.
 

README.md

@@ -58,7 +58,8 @@ go install ./cmd/qmk-rgb-tool/
 ./qmk-rgb-tool --device 1 enable
 ```
 
-`--zone` is persistent across commands and accepts `logo`, `backlight`, or `side`.
+`--zone` accepts `logo`, `backlight`, or `side` and may be given on any
+subcommand. It is not remembered between runs: repeat it on every invocation.
 Without `--zone`, commands target Logo, Backlight, and Side in that order.
 With `--zone`, commands target exactly the selected zone. An unsupported
 name for an explicit zone fails before the device is opened; a default
@@ -89,13 +90,18 @@ rather than storing the number.
 
 The keyboard's firmware transforms these values per channel, so the accepted
 range is 0–255 but the value the keyboard ends up holding is often different.
-`brightness` reads every zone back and reports what it actually applied:
+`brightness` and `speed` read every zone back and report what it actually
+applied:
 
 ```console
 $ qmk-rgb-tool brightness 200
 Brightness logo 160 backlight 255 side 160 (requested 200)
 $ qmk-rgb-tool brightness 160 --zone logo
 Brightness set to 160
+$ qmk-rgb-tool speed 60
+Speed logo 4 backlight 60 side 4 (requested 60)
+$ qmk-rgb-tool speed 60 --zone backlight
+Speed set to 60
 ```
 
 Observed on the Impact 80:
@@ -108,7 +114,6 @@ Observed on the Impact 80:
 
 The command exits 0 either way: a value the firmware cannot represent is not a
 failure, but the summary line always states the value that was actually applied.
-`speed` is not yet read back and still reports the requested value.
 
 ## Features
 
@@ -289,7 +294,7 @@ Two models are listed in `keyboards.json`:
 | `qmk-rgb-tool info`                   | Show per-zone RGB state (JSON)            |
 | `qmk-rgb-tool effect <name>`          | Set a zone-aware effect by name           |
 | `qmk-rgb-tool brightness <val>`       | Set brightness (0–255) on selected zones, verified by read-back |
-| `qmk-rgb-tool speed <val>`            | Set effect speed (0–255) on selected zones |
+| `qmk-rgb-tool speed <val>`            | Set effect speed (0–255) on selected zones, verified by read-back |
 | `qmk-rgb-tool color <hex>`            | Set color (e.g. `ff0000`) on selected zones |
 | `qmk-rgb-tool mode <index>`           | Set a raw zone-specific effect ID         |
 | `qmk-rgb-tool --zone <zone> ...`      | Target `logo`, `backlight`, or `side`     |
@@ -299,6 +304,10 @@ Two models are listed in `keyboards.json`:
 | `qmk-rgb-tool list`                   | List saved profiles                        |
 | `qmk-rgb-tool delete [name]`          | Delete a saved profile                     |
 
+`enable`, `disable`, `info` and `list` take no arguments and reject a stray
+token. `effect`, `load`, `save` and `delete` accept an optional name.
+`brightness`, `speed`, `color` and `mode` require exactly one argument.
+
 ## Profiles
 
 Profiles store RGB state (effect, brightness, speed, color) per zone as JSON

cmd/qmk-rgb-tool/arity_test.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/spf13/cobra"
+)
+
+// `info`, `enable`, `disable` and `list` take nothing. Without a declared
+// arity cobra applies arbitraryArgs, so a stray token yielded exit 0 and the
+// command looked like it had done its work — a caller could believe a
+// lighting change happened when the argument was silently dropped.
+func TestZeroArgCommandsRejectStrayTokens(t *testing.T) {
+	cmds := map[string]*cobra.Command{
+		"info":    NewInfoCmd(),
+		"enable":  NewEnableCmd(),
+		"disable": NewDisableCmd(),
+		"list":    NewProfileListCmd(),
+	}
+
+	for name, cmd := range cmds {
+		t.Run(name, func(t *testing.T) {
+			err := cmd.ValidateArgs([]string{"unexpected-arg"})
+			if err == nil {
+				t.Errorf("%s accepted an argument, want it rejected", name)
+				return
+			}
+			if !strings.Contains(err.Error(), "unexpected-arg") {
+				t.Errorf("%s error = %q, want it to name the offending argument", name, err)
+			}
+		})
+	}
+}
+
+// Rejecting extras must not break the no-argument case.
+func TestZeroArgCommandsAcceptNoArgs(t *testing.T) {
+	cmds := map[string]*cobra.Command{
+		"info":    NewInfoCmd(),
+		"enable":  NewEnableCmd(),
+		"disable": NewDisableCmd(),
+		"list":    NewProfileListCmd(),
+	}
+
+	for name, cmd := range cmds {
+		t.Run(name, func(t *testing.T) {
+			if err := cmd.ValidateArgs(nil); err != nil {
+				t.Errorf("%s rejected the empty argument list: %v", name, err)
+			}
+		})
+	}
+}
+
+// Commands that do take an argument must keep accepting exactly one.
+func TestOneArgCommandsKeepTheirArity(t *testing.T) {
+	cmds := map[string]*cobra.Command{
+		"brightness": NewBrightnessCmd(),
+		"speed":      NewSpeedCmd(),
+		"color":      NewColorCmd(),
+		"mode":       NewModeCmd(),
+	}
+
+	for name, cmd := range cmds {
+		t.Run(name, func(t *testing.T) {
+			if err := cmd.ValidateArgs([]string{"160"}); err != nil {
+				t.Errorf("%s rejected its argument: %v", name, err)
+			}
+			if err := cmd.ValidateArgs([]string{"1", "2"}); err == nil {
+				t.Errorf("%s accepted two arguments, want exactly one", name)
+			}
+		})
+	}
+}

cmd/qmk-rgb-tool/disable.go

@@ -11,6 +11,7 @@ func NewDisableCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "disable",
 		Short: "Disable RGB lighting",
+		Args:  cobra.NoArgs,
 		Run: func(cmd *cobra.Command, args []string) {
 			zones, err := selectedZones()
 			if err != nil {

cmd/qmk-rgb-tool/enable.go

@@ -11,6 +11,7 @@ func NewEnableCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "enable",
 		Short: "Enable RGB lighting",
+		Args:  cobra.NoArgs,
 		Run: func(cmd *cobra.Command, args []string) {
 			zones, err := selectedZones()
 			if err != nil {

cmd/qmk-rgb-tool/info.go

@@ -109,6 +109,7 @@ func NewInfoCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "info",
 		Short: "Show current RGB state",
+		Args:  cobra.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			zones, err := selectedZones()
 			if err != nil {

cmd/qmk-rgb-tool/rgb.go

@@ -84,27 +84,39 @@ func formatResults(label string, results []zoneResult) string {
 	return b.String()
 }
 
-// setBrightnessVerified writes the brightness and reads every zone back, so a
+// setValueVerified writes one value ID to every zone and reads each back, so a
 // clamped or rescaled value is reported instead of silently claimed as set.
-func setBrightnessVerified(proto rgbProtocol, zones []intrgb.Zone, value uint8) ([]zoneResult, error) {
-	if err := setBrightnessOnZones(proto, zones, value); err != nil {
+// The firmware transform differs per channel and per value ID, so the read-back
+// is not optional for any parameter the keyboard rescales.
+func setValueVerified(proto rgbProtocol, zones []intrgb.Zone, param, value uint8) ([]zoneResult, error) {
+	if err := setValueOnZones(proto, zones, param, value); err != nil {
 		return nil, err
 	}
 
 	results := make([]zoneResult, 0, len(zones))
 	for _, zone := range zones {
-		raw, err := proto.GetValue(via.LEDType(zone.Channel()), uint8(intrgb.Brightness))
+		raw, err := proto.GetValue(via.LEDType(zone.Channel()), param)
 		if err != nil {
-			return nil, fmt.Errorf("read back brightness for %s: %w", zone, err)
+			return nil, fmt.Errorf("read back value 0x%02x for %s: %w", param, zone, err)
 		}
 		if len(raw) == 0 {
-			return nil, fmt.Errorf("read back brightness for %s: empty response", zone)
+			return nil, fmt.Errorf("read back value 0x%02x for %s: empty response", param, zone)
 		}
 		results = append(results, zoneResult{Zone: zone, Requested: value, Applied: raw[0]})
 	}
 	return results, nil
 }
 
+// setBrightnessVerified writes the brightness and reads every zone back.
+func setBrightnessVerified(proto rgbProtocol, zones []intrgb.Zone, value uint8) ([]zoneResult, error) {
+	return setValueVerified(proto, zones, uint8(intrgb.Brightness), value)
+}
+
+// setSpeedVerified writes the speed and reads every zone back.
+func setSpeedVerified(proto rgbProtocol, zones []intrgb.Zone, value uint8) ([]zoneResult, error) {
+	return setValueVerified(proto, zones, uint8(intrgb.Speed), value)
+}
+
 func setSpeedOnZones(proto zoneProtocol, zones []intrgb.Zone, value uint8) error {
 	return setValueOnZones(proto, zones, uint8(intrgb.Speed), value)
 }

cmd/qmk-rgb-tool/speed.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"os"
 
 	"github.com/spf13/cobra"
 )
@@ -11,34 +10,38 @@ func NewSpeedCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "speed <val>",
 		Short: "Set effect speed",
-		Long:  "Set the RGB effect speed value (0-255).",
-		Args:  cobra.ExactArgs(1),
-		Run: func(cmd *cobra.Command, args []string) {
+		Long: "Set the effect speed (0-255) and read it back, so a value the keyboard\n" +
+			"rescales is reported instead of silently applied.",
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
 			val, err := ParseUint8(args[0])
 			if err != nil {
-				fmt.Fprintf(os.Stderr, "Error: %v\n", err)
-				os.Exit(1)
+				return err
 			}
 
 			zones, err := selectedZones()
 			if err != nil {
-				fmt.Fprintf(os.Stderr, "Error: %v\n", err)
-				os.Exit(1)
+				return err
 			}
 
-			proto, err := OpenDevice()
+			proto, err := openRGBProtocol()
 			if err != nil {
-				fmt.Fprintf(os.Stderr, "Error: %v\n", err)
-				os.Exit(1)
+				return err
 			}
 			defer proto.Close()
 
-			if err := setSpeedOnZones(proto, zones, val); err != nil {
-				fmt.Fprintf(os.Stderr, "Error setting speed: %v\n", err)
-				os.Exit(1)
+			results, err := setSpeedVerified(proto, zones, val)
+			if err != nil {
+				return fmt.Errorf("set speed: %w", err)
+			}
+
+			if anyMismatch(results) {
+				fmt.Fprintln(cmd.OutOrStdout(), formatResults("Speed", results))
+				return nil
 			}
 
-			fmt.Printf("Speed set to %d\n", val)
+			fmt.Fprintf(cmd.OutOrStdout(), "Speed set to %d\n", val)
+			return nil
 		},
 	}
 }

cmd/qmk-rgb-tool/speed_verify_test.go

@@ -0,0 +1,119 @@
+package main
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	intrgb "netdome.biz/paul/qmk-rgb/internal/rgb"
+	"netdome.biz/paul/qmk-rgb/internal/via"
+)
+
+func runSpeed(t *testing.T, applied map[via.LEDType]uint8, zoneFlag string, arg string) (stdout, stderr string) {
+	t.Helper()
+
+	proto := &verifyingProtocol{applied: applied}
+
+	originalOpen := openRGBProtocol
+	originalZone := targetZone
+	t.Cleanup(func() {
+		openRGBProtocol = originalOpen
+		targetZone = originalZone
+	})
+	openRGBProtocol = func() (rgbProtocol, error) { return proto, nil }
+	targetZone = zoneFlag
+
+	var out, errOut bytes.Buffer
+	cmd := NewSpeedCmd()
+	cmd.SetOut(&out)
+	cmd.SetErr(&errOut)
+	cmd.SetArgs([]string{arg})
+
+	if err := cmd.Execute(); err != nil {
+		t.Fatalf("speed returned error: %v", err)
+	}
+	return out.String(), errOut.String()
+}
+
+// The Impact 80 collapses every speed above 0 to 4 on the logo and side
+// channels, so `speed 60` claiming success there is the same lie brightness
+// had.
+func TestSpeedReportsPlainMessageWhenAllZonesMatch(t *testing.T) {
+	stdout, stderr := runSpeed(t, map[via.LEDType]uint8{
+		via.RGBLight:  60,
+		via.RGBMatrix: 60,
+		via.SideLight: 60,
+	}, "", "60")
+
+	if strings.TrimSpace(stdout) != "Speed set to 60" {
+		t.Errorf("stdout = %q, want the exact success message", stdout)
+	}
+	if stderr != "" {
+		t.Errorf("stderr = %q, want nothing when the request was met", stderr)
+	}
+}
+
+func TestSpeedSummarisesAppliedValuesOnMismatch(t *testing.T) {
+	stdout, _ := runSpeed(t, map[via.LEDType]uint8{
+		via.RGBLight:  4,
+		via.RGBMatrix: 60,
+		via.SideLight: 4,
+	}, "", "60")
+
+	for _, want := range []string{"logo 4", "backlight 60", "side 4", "requested 60"} {
+		if !strings.Contains(stdout, want) {
+			t.Errorf("stdout = %q, want it to contain %q", stdout, want)
+		}
+	}
+	if strings.Contains(stdout, "set to 60") {
+		t.Errorf("stdout = %q, must not claim 60 was set when logo and side hold 4", stdout)
+	}
+	if strings.Count(strings.TrimSpace(stdout), "\n") != 0 {
+		t.Errorf("stdout = %q, want exactly one line", stdout)
+	}
+}
+
+func TestSpeedNamesOnlySelectedZones(t *testing.T) {
+	stdout, _ := runSpeed(t, map[via.LEDType]uint8{via.SideLight: 4}, "side", "60")
+
+	if !strings.Contains(stdout, "side 4") {
+		t.Errorf("stdout = %q, want side reported", stdout)
+	}
+	for _, unwanted := range []string{"logo", "backlight"} {
+		if strings.Contains(stdout, unwanted) {
+			t.Errorf("stdout = %q, must not mention %s when only side was selected", stdout, unwanted)
+		}
+	}
+}
+
+// speed 0 is a genuine value on every channel, not a collapsed one.
+func TestSpeedZeroIsReportedAsApplied(t *testing.T) {
+	stdout, _ := runSpeed(t, map[via.LEDType]uint8{
+		via.RGBLight:  0,
+		via.RGBMatrix: 0,
+		via.SideLight: 0,
+	}, "", "0")
+
+	if strings.TrimSpace(stdout) != "Speed set to 0" {
+		t.Errorf("stdout = %q, want the success message for a value the keyboard kept", stdout)
+	}
+}
+
+// setValueVerified must be parameter-agnostic so both commands share it.
+func TestSetValueVerifiedReadsBackTheRequestedParam(t *testing.T) {
+	proto := &verifyingProtocol{
+		applied: map[via.LEDType]uint8{via.RGBMatrix: 159},
+	}
+
+	results, err := setValueVerified(proto, []intrgb.Zone{intrgb.ZoneBacklight},
+		uint8(intrgb.Speed), 100)
+	if err != nil {
+		t.Fatalf("setValueVerified() error = %v", err)
+	}
+	if len(results) != 1 {
+		t.Fatalf("results = %d, want 1", len(results))
+	}
+	if results[0].Applied != 159 || results[0].Requested != 100 {
+		t.Errorf("results[0] = %+v, want Requested 100 Applied 159", results[0])
+	}
+}

graphify-out/.graphify_labels.json

@@ -1,22 +1,20 @@
 {
-  "0": "testing.T",
-  "1": "Zone",
+  "0": "device.go",
+  "1": "impact80.go",
   "2": "LEDType",
-  "3": "profile.go",
-  "4": "rgb_test.go",
+  "3": "Zone",
+  "4": "profile.go",
   "5": "hid.go",
   "6": "effects.go",
   "7": "What You Must Do When Invoked",
-  "8": "effect_test.go",
+  "8": "testing.T",
   "9": "info.go",
   "10": "graphify.js",
   "11": "opencode.json",
-  "12": "netdome.biz/paul/impact-80",
+  "12": "netdome.biz/paul/qmk-rgb",
   "13": "Agent Guidelines — QMK RGB Tool",
   "14": "QMK RGB Tool",
-  "15": "Impact 80 Zone-Aware Lighting Effects Design",
   "16": "/qmk-rgb",
-  "17": "Review Focus",
   "18": "Wobkey RGB CLI — Implementation Plan",
   "19": "graphify reference: extra exports and benchmark",
   "20": "graphify reference: query, path, explain",

graphify-out/.graphify_labels.json.sig

@@ -1 +1 @@
-{"0": "b14c873dec3bcd4e", "1": "007dcc3d54ff23ba", "2": "a37e69060c74a211", "3": "8214ed913b0cbbc2", "4": "21668b81779fe7ef", "5": "ff52ca60688da8f3", "6": "e0b7b10c85b49d03", "7": "62ad613386e8444e", "8": "0eb69e6b751f66a6", "9": "8442965ea1d80930", "10": "d71acd1404975569", "11": "72bfef5ec64c0453", "12": "25654294a78dec29", "13": "86bf231b6b436f25", "14": "c9fa797a621d3309", "15": "dcd75b7a1b0f6994", "16": "f16ddb291be6204d", "17": "02b57aafb41fb285", "18": "90bf6b690d2e10c9", "19": "c4abf0eb38ef740d", "20": "75efc6457f7fce22", "21": "be62daa7d5bc336a", "22": "47c3e1a9d4bb7e67", "23": "82ff39c105ae3090", "24": "4e14c482a212286a", "25": "54f53e5e0cc8c385", "26": "821696b1ff49347b", "27": "6e7b82d0387bf16d", "28": "2eef246ebb269184", "29": "f5edd0761d024ff0"}
+{"0": "c878defc3e224436", "1": "78b20a7c9e37df5a", "2": "fa99395a3c204419", "3": "1daaad7c8e39d7d3", "4": "590768dab907717e", "5": "abbaee29b2af8766", "6": "b21b6a9136af71fb", "7": "62ad613386e8444e", "8": "aa9d19daf8ddca00", "9": "8442965ea1d80930", "10": "d71acd1404975569", "11": "72bfef5ec64c0453", "12": "b02bb4f6a81f508d", "13": "cd7493335516328f", "14": "b2c5b9e711ad4492", "16": "dd6301fddcde8ab6", "18": "90bf6b690d2e10c9", "19": "c4abf0eb38ef740d", "20": "75efc6457f7fce22", "21": "be62daa7d5bc336a", "22": "47c3e1a9d4bb7e67", "23": "82ff39c105ae3090", "24": "4e14c482a212286a", "25": "54f53e5e0cc8c385", "26": "821696b1ff49347b", "27": "6e7b82d0387bf16d", "28": "2eef246ebb269184", "29": "f5edd0761d024ff0"}

graphify-out/GRAPH_REPORT.md

@@ -1,39 +1,37 @@
 # Graph Report - qmk-rgb  (2026-09-27)
 
 ## Corpus Check
-- 56 files · ~31,956 words
+- 61 files · ~32,479 words
 - Verdict: corpus is large enough that graph structure adds value.
 - Unclassified: 3 file(s) not represented in the graph (top: (none) 3)
 
 ## Summary
-- 432 nodes · 919 edges · 30 communities (22 shown, 8 thin omitted)
-- Extraction: 88% EXTRACTED · 12% INFERRED · 0% AMBIGUOUS · INFERRED: 106 edges (avg confidence: 0.85)
+- 462 nodes · 1094 edges · 28 communities (20 shown, 8 thin omitted)
+- Extraction: 87% EXTRACTED · 13% INFERRED · 0% AMBIGUOUS · INFERRED: 141 edges (avg confidence: 0.85)
 - Token cost: 0 input · 0 output
 
 ## Graph Freshness
-- Built from commit: `0557d9ac`
+- Built from commit: `2be46d6b`
 - Run `git rev-parse HEAD` and compare to check if the graph is stale.
 - Run `graphify update .` after code changes (no API cost).
 
 ## Community Hubs (Navigation)
-- testing.T
-- Zone
+- device.go
+- impact80.go
 - LEDType
+- Zone
 - profile.go
-- rgb_test.go
 - hid.go
 - effects.go
 - What You Must Do When Invoked
-- effect_test.go
+- testing.T
 - info.go
 - graphify.js
 - opencode.json
-- netdome.biz/paul/impact-80
+- netdome.biz/paul/qmk-rgb
 - Agent Guidelines — QMK RGB Tool
 - QMK RGB Tool
-- Impact 80 Zone-Aware Lighting Effects Design
 - /qmk-rgb
-- Review Focus
 - Wobkey RGB CLI — Implementation Plan
 - graphify reference: extra exports and benchmark
 - graphify reference: query, path, explain
@@ -48,69 +46,69 @@
 - extraction-spec.md
 
 ## God Nodes (most connected - your core abstractions)
-1. `Zone` - 29 edges
-2. `LEDType` - 23 edges
-3. `selectedZones()` - 18 edges
-4. `AllZones()` - 16 edges
+1. `Zone` - 35 edges
+2. `LEDType` - 31 edges
+3. `selectedZones()` - 22 edges
+4. `AllZones()` - 17 edges
 5. `ResolveEffect()` - 15 edges
-6. `OpenDevice()` - 14 edges
-7. `QMK RGB Tool` - 14 edges
+6. `QMK RGB Tool` - 15 edges
+7. `Agent Guidelines — QMK RGB Tool` - 14 edges
 8. `init()` - 13 edges
-9. `Agent Guidelines — QMK RGB Tool` - 13 edges
-10. `Impact 80 Zone-Aware Lighting Effects Design` - 13 edges
+9. `NewBrightnessCmd()` - 12 edges
+10. `OpenDevice()` - 12 edges
 
 ## Surprising Connections (you probably didn't know these)
+- `deviceInfoOutput` --references--> `Device`  [EXTRACTED]
+  cmd/qmk-rgb-tool/keyboard_info_test.go → internal/device/device.go
+- `runBrightness()` --references--> `LEDType`  [EXTRACTED]
+  cmd/qmk-rgb-tool/brightness_summary_test.go → internal/via/protocol.go
+- `TestSetBrightnessVerifiedReadsBackEveryZone()` --calls--> `AllZones()`  [EXTRACTED]
+  cmd/qmk-rgb-tool/brightness_verify_test.go → internal/rgb/impact80.go
 - `NewColorCmd()` --calls--> `ParseHexColor()`  [EXTRACTED]
   cmd/qmk-rgb-tool/color.go → internal/rgb/effects.go
-- `TestSelectedChannelStopsOnFirstError()` --calls--> `AllZones()`  [EXTRACTED]
-  cmd/qmk-rgb-tool/commands_test.go → internal/rgb/impact80.go
-- `resolveEffectTargets()` --calls--> `ResolveEffect()`  [EXTRACTED]
-  cmd/qmk-rgb-tool/effect.go → internal/rgb/impact80.go
-- `resolveEffectTargets()` --references--> `EffectTarget`  [EXTRACTED]
-  cmd/qmk-rgb-tool/effect.go → internal/rgb/impact80.go
 - `resolveEffectTargets()` --references--> `Zone`  [EXTRACTED]
   cmd/qmk-rgb-tool/effect.go → internal/rgb/impact80.go
 
 ## Import Cycles
 - None detected.
 
-## Communities (30 total, 8 thin omitted)
+## Communities (28 total, 8 thin omitted)
 
-### Community 0 - "testing.T"
-Cohesion: 0.07
-Nodes (61): TestInfoCommandPrintsJSONBeforeReturningError(), TestInfoErrorRecord(), TestInfoSuccessfulRecord(), runRealKeyboardInfo(), stubDiscovery(), TestKeyboardInfoEmitsEmptyArrayNotNull(), TestKeyboardInfoEmitsIndentedJSON(), TestKeyboardInfoPropagatesDiscoveryError() (+53 more)
+### Community 0 - "device.go"
+Cohesion: 0.13
+Nodes (30): formatDeviceList(), selectDevice(), testDevices(), TestFormatDeviceList(), TestSelectDeviceByIndex(), TestSelectDeviceEmptySelectorRejectsMultiple(), TestSelectDeviceEmptySelectorRejectsNone(), TestSelectDeviceEmptySelectorRequiresSingle() (+22 more)
 
-### Community 1 - "Zone"
-Cohesion: 0.11
-Nodes (37): TestSelectedChannelOperations(), disableLightingOnZones(), enableLightingOnZones(), forEachSelectedZone(), setBrightnessOnZones(), setColorOnZones(), setModeOnZones(), setSpeedOnZones() (+29 more)
+### Community 1 - "impact80.go"
+Cohesion: 0.09
+Nodes (37): TestSelectedChannelStopsOnFirstError(), listAllEffects(), NewEffectCmd(), resolveEffectTargets(), runEffectSet(), executeEffectCommand(), TestEffectCommandRejectsBeforeOpeningProtocol(), TestEffectCommandSuppressesSuccessAfterLaterWriteFailure() (+29 more)
 
 ### Community 2 - "LEDType"
-Cohesion: 0.12
-Nodes (10): TestSelectedChannelStopsOnFirstError(), LEDType, Protocol, New(), commandReport, fakeInfoProtocol, fakeZoneProtocol, infoKey (+2 more)
+Cohesion: 0.10
+Nodes (12): appliedFor(), TestBrightnessCommandStaysQuietWhenApplied(), TestSetBrightnessVerifiedReadsBackEveryZone(), LEDType, Protocol, commandReport, fakeInfoProtocol, fakeZoneProtocol (+4 more)
 
-### Community 3 - "profile.go"
+### Community 3 - "Zone"
 Cohesion: 0.18
-Nodes (14): applyProfileToProfile(), DeleteProfile(), hexToHSV(), ListProfiles(), LoadProfile(), loadProfileFromDevice(), NewProfileDeleteCmd(), NewProfileListCmd() (+6 more)
+Nodes (23): TestSetBrightnessVerifiedPropagatesReadError(), TestSetBrightnessVerifiedReportsAppliedValue(), TestSelectedChannelOperations(), anyMismatch(), disableLightingOnZones(), enableLightingOnZones(), forEachSelectedZone(), setBrightnessOnZones() (+15 more)
 
-### Community 4 - "rgb_test.go"
-Cohesion: 0.13
-Nodes (31): NewBrightnessCmd(), NewColorCmd(), NewDisableCmd(), listAllEffects(), NewEffectCmd(), runEffectSet(), NewEnableCmd(), NewInfoCmd() (+23 more)
+### Community 4 - "profile.go"
+Cohesion: 0.10
+Nodes (39): TestOneArgCommandsKeepTheirArity(), TestZeroArgCommandsAcceptNoArgs(), TestZeroArgCommandsRejectStrayTokens(), NewBrightnessCmd(), NewColorCmd(), NewDisableCmd(), NewEnableCmd(), NewInfoCmd() (+31 more)
 
 ### Community 5 - "hid.go"
-Cohesion: 0.18
-Nodes (12): go_pkg_github_com_sstallion_go_hid, go_pkg_sync, go_pkg_time, Device, DeviceInfo, DevicesInfo, DiscoverAll(), ensureInit() (+4 more)
+Cohesion: 0.17
+Nodes (13): go_pkg_github_com_sstallion_go_hid, go_pkg_sync, go_pkg_time, Device, DeviceInfo, DevicesInfo, DiscoverAll(), ensureInit() (+5 more)
 
 ### Community 6 - "effects.go"
-Cohesion: 0.17
-Nodes (12): go_pkg_math, ParseEffect(), ParseHexColor(), TestColorToHSV(), TestEffectString(), TestParseEffect(), TestParseHexColor(), TestQMKValueIDs() (+4 more)
+Cohesion: 0.13
+Nodes (18): sameZones(), TestFilterZonesDoesNotAddMissingZones(), TestFilterZonesDoesNotMutateInput(), TestFilterZonesKeepsOnlyTheSelection(), filterZones(), go_pkg_math, go_pkg_strconv, ParseEffect() (+10 more)
 
 ### Community 7 - "What You Must Do When Invoked"
 Cohesion: 0.08
 Nodes (24): For /graphify add and --watch, For /graphify query, For the commit hook and native CLAUDE.md integration, For --update and --cluster-only, /graphify, Honesty Rules, Interpreter guard for subcommands, Part A - Structural extraction for code files (+16 more)
 
-### Community 8 - "effect_test.go"
-Cohesion: 0.31
-Nodes (10): resolveEffectTargets(), executeEffectCommand(), TestEffectCommandRejectsBeforeOpeningProtocol(), TestEffectCommandSuppressesSuccessAfterLaterWriteFailure(), TestEffectCommandWarnsForSkippedZones(), TestResolveEffectTargetsBacklightOnly(), TestResolveEffectTargetsBreathing(), TestResolveEffectTargetsExplicitUnsupported() (+2 more)
+### Community 8 - "testing.T"
+Cohesion: 0.07
+Nodes (55): runBrightness(), TestBrightnessReportsPlainMessageWhenAllZonesMatch(), TestBrightnessSummarisesAppliedValuesOnMismatch(), TestBrightnessSummarisesASingleMismatchingZone(), TestBrightnessSummaryNamesOnlySelectedZones(), TestDeviceFlagUsageDescribesANumberNotAPath(), TestFlagUsageHasNoValuePlaceholder(), TestZoneFlagUsageListsEveryZone() (+47 more)
 
 ### Community 9 - "info.go"
 Cohesion: 0.36
@@ -122,23 +120,15 @@ Nodes (3): IMPORTANT: keep the reminder string free of backticks and $(...) cons
 
 ### Community 13 - "Agent Guidelines — QMK RGB Tool"
 Cohesion: 0.09
-Nodes (21): Agent Guidelines — QMK RGB Tool, Architecture, CLI Interface, Code vs Documentation, Concurrency, Consistency, Constraints, Device Selection (+13 more)
+Nodes (22): Agent Guidelines — QMK RGB Tool, Architecture, CLI Interface, Code vs Documentation, Concurrency, Consistency, Constraints, Device Selection (+14 more)
 
 ### Community 14 - "QMK RGB Tool"
 Cohesion: 0.10
-Nodes (19): Architecture, CLI Reference, Compatibility Aliases, Effect Behavior, Features, Impact 80 Zones and Effects, Installation, Known Keyboards (+11 more)
-
-### Community 15 - "Impact 80 Zone-Aware Lighting Effects Design"
-Cohesion: 0.14
-Nodes (13): Acceptance criteria, CLI behavior, Component boundaries, Effect catalog, Error handling, Goals, Impact 80 Zone-Aware Lighting Effects Design, Info output (+5 more)
+Nodes (20): Architecture, Brightness and Speed Are Not Applied Verbatim, CLI Reference, Compatibility Aliases, Effect Behavior, Features, Impact 80 Zones and Effects, Installation (+12 more)
 
 ### Community 16 - "/qmk-rgb"
-Cohesion: 0.17
-Nodes (11): 1. First, get the tool's own help, 2. If the tool is not built or no keyboard is connected, 3. When a user wants to change something, 4. Profiles, Compatibility aliases, How to answer, Known limitations, /qmk-rgb (+3 more)
-
-### Community 17 - "Review Focus"
-Cohesion: 0.18
-Nodes (10): Execution Handoff — 2026-09-25, Global Constraints, Impact 80 Zone-Aware Lighting Effects Implementation Plan, Review Focus, Task 1: Build the Zone and Effect Profile Domain, Task 2: Add Zone Selection to the RGB Command Layer, Task 3: Make Effect Resolution Zone-Aware, Task 4: Route All RGB Commands Through the Selected Zones (+2 more)
+Cohesion: 0.15
+Nodes (12): 1. First, get the tool's own help, 2. If the tool is not built or no keyboard is connected, 3. When a user wants to change something, 4. Profiles, Compatibility aliases, How to answer, Known limitations, /qmk-rgb (+4 more)
 
 ### Community 18 - "Wobkey RGB CLI — Implementation Plan"
 Cohesion: 0.18
@@ -165,24 +155,24 @@ Cohesion: 0.50
 Nodes (3): For --cluster-only, For --update (incremental re-extraction), graphify reference: incremental update and cluster-only
 
 ## Knowledge Gaps
-- **117 isolated node(s):** `$schema`, `plugin`, `netdome.biz/paul/impact-80`, `LEDParam`, `graphify` (+112 more)
-  These have ≤1 connection - possible missing edges or undocumented components. (Counts symbols only; 163 node(s) total have ≤1 connection when file, concept and rationale nodes are included.)
+- **101 isolated node(s):** `$schema`, `plugin`, `profileListOutput`, `netdome.biz/paul/qmk-rgb`, `LEDParam` (+96 more)
+  These have ≤1 connection - possible missing edges or undocumented components. (Counts symbols only; 145 node(s) total have ≤1 connection when file, concept and rationale nodes are included.)
 - **8 thin communities (<3 nodes) omitted from report** — run `graphify query` to explore isolated nodes.
 
 ## Suggested Questions
 _Questions this graph is uniquely positioned to answer:_
 
-- **Why does `LEDType` connect `LEDType` to `info.go`, `profile.go`, `rgb_test.go`, `Zone`?**
-  _High betweenness centrality (0.029) - this node is a cross-community bridge._
-- **Why does `Zone` connect `Zone` to `effect_test.go`, `info.go`, `profile.go`, `rgb_test.go`?**
-  _High betweenness centrality (0.017) - this node is a cross-community bridge._
+- **Why does `LEDType` connect `LEDType` to `impact80.go`, `Zone`, `profile.go`, `testing.T`, `info.go`?**
+  _High betweenness centrality (0.049) - this node is a cross-community bridge._
+- **Why does `Zone` connect `Zone` to `impact80.go`, `profile.go`, `info.go`, `effects.go`?**
+  _High betweenness centrality (0.023) - this node is a cross-community bridge._
 - **Are the 3 inferred relationships involving `Zone` (e.g. with `TestImpact80DefaultEffects()` and `TestImpact80LogoAndSideCatalog()`) actually correct?**
   _`Zone` has 3 INFERRED edges - model-reasoned connections that need verification._
-- **Are the 14 inferred relationships involving `selectedZones()` (e.g. with `NewBrightnessCmd()` and `NewColorCmd()`) actually correct?**
-  _`selectedZones()` has 14 INFERRED edges - model-reasoned connections that need verification._
-- **What connects `$schema`, `plugin`, `netdome.biz/paul/impact-80` to the rest of the system?**
-  _117 weakly-connected nodes found - possible documentation gaps or missing edges._
-- **Should `testing.T` be split into smaller, more focused modules?**
-  _Cohesion score 0.06881287726358148 - nodes in this community are weakly interconnected._
-- **Should `Zone` be split into smaller, more focused modules?**
-  _Cohesion score 0.10730804810360776 - nodes in this community are weakly interconnected._
+- **Are the 18 inferred relationships involving `selectedZones()` (e.g. with `NewBrightnessCmd()` and `NewColorCmd()`) actually correct?**
+  _`selectedZones()` has 18 INFERRED edges - model-reasoned connections that need verification._
+- **What connects `$schema`, `plugin`, `profileListOutput` to the rest of the system?**
+  _101 weakly-connected nodes found - possible documentation gaps or missing edges._
+- **Should `device.go` be split into smaller, more focused modules?**
+  _Cohesion score 0.1265597147950089 - nodes in this community are weakly interconnected._
+- **Should `impact80.go` be split into smaller, more focused modules?**
+  _Cohesion score 0.09292929292929293 - nodes in this community are weakly interconnected._

graphify-out/manifest.json

@@ -18,15 +18,15 @@
     "semantic_hash": "3ea725724bc8ebe483c9f13d6aa1124f"
   },
   "go.mod": {
-    "mtime": 1790412042.5711646,
-    "seen": 1790463814.4685533,
-    "ast_hash": "667318b32f457dbd78b6370fc046b697",
-    "semantic_hash": "667318b32f457dbd78b6370fc046b697"
+    "mtime": 1790470877.790277,
+    "seen": 1790471472.0897124,
+    "ast_hash": "d4544b9b94bd78391d5f1d657842fa23",
+    "semantic_hash": ""
   },
   "internal/device/device.go": {
-    "mtime": 1790468380.873952,
-    "seen": 1790468659.6437902,
-    "ast_hash": "2abb49129ce31f4cc847470824de7806",
+    "mtime": 1790470877.8080425,
+    "seen": 1790471472.0897129,
+    "ast_hash": "ae4aec77f598e3443374c6b397200d6c",
     "semantic_hash": ""
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   "internal/device/device_test.go": {
@@ -60,9 +60,9 @@
     "semantic_hash": "c858a795e2c6c048163863ae3d966a28"
   },
   "internal/via/protocol.go": {
-    "mtime": 1790467849.7261906,
-    "seen": 1790468659.643795,
-    "ast_hash": "2b7a955bd208c46657da65dfc34fb121",
+    "mtime": 1790470877.8081164,
+    "seen": 1790471472.089718,
+    "ast_hash": "fa0242669aedd1cf8facbcf06f2b66bc",
     "semantic_hash": ""
   },
   "keyboards.json": {
@@ -132,9 +132,9 @@
     "semantic_hash": "9378bd03d56baaf78bd738ab3848f142"
   },
   "AGENTS.md": {
-    "mtime": 1790468390.0561445,
-    "seen": 1790468659.6438057,
-    "ast_hash": "cef31efd28c663cf3973a19e116537e0",
+    "mtime": 1790471452.5969622,
+    "seen": 1790471472.089728,
+    "ast_hash": "64a93e6fa8c06aa6e7666a37a7a1bb72",
     "semantic_hash": ""
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   "CLAUDE.md": {
@@ -150,9 +150,9 @@
     "semantic_hash": ""
   },
   "README.md": {
-    "mtime": 1790468186.1682353,
-    "seen": 1790468659.6438074,
-    "ast_hash": "dd4f07c81ec6387fb226b453cab2cc93",
+    "mtime": 1790471447.482427,
+    "seen": 1790471472.0897298,
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   "internal/via/protocol_test.go": {
@@ -162,63 +162,63 @@
     "semantic_hash": "62d869768f0ea68365efac25bcbe002c"
   },
   "cmd/qmk-rgb-tool/brightness.go": {
-    "mtime": 1790467876.0710227,
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-    "ast_hash": "4c0f39472921798a5d096a20a12b5076",
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   "cmd/qmk-rgb-tool/color.go": {
-    "mtime": 1790467876.072441,
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-    "ast_hash": "ba23904a60579ded5a9e26ad7f297843",
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-    "mtime": 1790413318.3096464,
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   "cmd/qmk-rgb-tool/effect.go": {
-    "mtime": 1790468501.8978462,
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   "cmd/qmk-rgb-tool/enable.go": {
-    "mtime": 1790467876.0754182,
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-    "mtime": 1790468501.8979816,
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-    "ast_hash": "31f3b7fc118c37ba6b52ba468668268b",
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   "cmd/qmk-rgb-tool/info_test.go": {
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+    "ast_hash": "41ab238da6e14d2d8b0d7c3b123d7b5d",
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   "cmd/qmk-rgb-tool/main.go": {
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   "cmd/qmk-rgb-tool/main_test.go": {
@@ -234,34 +234,34 @@
     "semantic_hash": ""
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   "cmd/qmk-rgb-tool/profile.go": {
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