add favicon

CLAUDE.md

@@ -147,6 +147,7 @@ than matching the format again elsewhere.
 - File search uses `fs.WalkDir` from `./` and does NOT follow symlinks
 - Hooks use `/bin/sh -c` (Linux/macOS only)
 - `gocsv` library handles CSV marshal/unmarshal via struct tags
-- `scripts/gen-logo.py` regenerates `gitplm-logo.svg` and
-  `gitplm-logo-square.svg` from Fira Code glyph outlines (fontTools); its
-  docstring has the `rsvg-convert` commands for the PNG derivatives
+- `scripts/gen-logo.py` regenerates `gitplm-logo.svg`, `gitplm-logo-square.svg`,
+  and the `[g]` favicon source `gitplm-icon.svg` from Fira Code glyph outlines
+  (fontTools); its docstring has the `rsvg-convert` commands for the PNG
+  derivatives, including `favicon.png`

kicad_api.go

@@ -267,7 +267,7 @@ func (s *KiCadServer) getCategoryDisplayName(category string) string {
 		"RES": "Resistors",
 		"RFM": "RF Modules",
 		"SWI": "Switches",
-		"XTR": "Transceivers",
+		"XTR": "Transistors/FETs",
 		"LED": "LEDs",
 		"SCR": "Screws",
 		"MCH": "Mechanical",
@@ -321,7 +321,7 @@ func (s *KiCadServer) getCategoryDescription(category string) string {
 		"RES": "Resistor components",
 		"RFM": "RF module components",
 		"SWI": "Switch components",
-		"XTR": "Transceiver components",
+		"XTR": "Transistor and FET components",
 		"LED": "Light emitting diode components",
 		"SCR": "Screw and fastener components",
 		"MCH": "Mechanical components",

scripts/gen-logo.py

@@ -4,10 +4,16 @@
 SVG) using Fira Code Medium, in phosphor green on black like a classic
 CRT terminal.
 
+Outputs:
+    gitplm-logo.svg         wide wordmark (README header)
+    gitplm-logo-square.svg  square wordmark (og:image / social previews)
+    gitplm-icon.svg         square [g] icon (favicons, small sizes)
+
 Usage:
     python scripts/gen-logo.py
     rsvg-convert -w 400 gitplm-logo.svg -o gitplm-logo.png
     rsvg-convert -w 360 -h 360 gitplm-logo-square.svg -o gitplm-logo-square.png
+    rsvg-convert -w 64 -h 64 gitplm-icon.svg -o favicon.png
 
 Requires fontTools and the Fira Code font (path below).
 """
@@ -30,22 +36,22 @@
 cmap = font.getBestCmap()
 glyphs = font.getGlyphSet()
 
-# Build one combined path, y-flipped (font coords -> SVG coords), advancing x.
-pen = SVGPathPen(glyphs)
-bpen = BoundsPen(glyphs)
-x = 0
-for ch in TEXT:
-    g = glyphs[cmap[ord(ch)]]
-    t = Transform(1, 0, 0, -1, x, 0)
-    g.draw(TransformPen(pen, t))
-    g.draw(TransformPen(bpen, t))
-    x += g.width
-path = pen.getCommands()
-xmin, ymin, xmax, ymax = bpen.bounds
-w, h = xmax - xmin, ymax - ymin
 
+def text_path(text):
+    """Combined outline path, y-flipped (font coords -> SVG coords), plus bounds."""
+    pen = SVGPathPen(glyphs)
+    bpen = BoundsPen(glyphs)
+    x = 0
+    for ch in text:
+        g = glyphs[cmap[ord(ch)]]
+        t = Transform(1, 0, 0, -1, x, 0)
+        g.draw(TransformPen(pen, t))
+        g.draw(TransformPen(bpen, t))
+        x += g.width
+    return pen.getCommands(), bpen.bounds
 
-def svg(width, height, scale, tx, ty):
+
+def svg(path, width, height, scale, tx, ty):
     return f"""<?xml version="1.0" encoding="UTF-8"?>
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 {width} {height}" width="{width}" height="{height}">
   <rect width="{width}" height="{height}" fill="{BG}"/>
@@ -56,19 +62,35 @@ def svg(width, height, scale, tx, ty):
 """
 
 
+def square(path, bounds, frac):
+    """360x360 square with the text scaled to frac of the width, centered."""
+    xmin, ymin, xmax, ymax = bounds
+    w, h = xmax - xmin, ymax - ymin
+    SQ = 360
+    s = (SQ * frac) / w
+    tx = (SQ - w * s) / 2 - xmin * s
+    ty = (SQ - h * s) / 2 - ymin * s
+    return svg(path, SQ, SQ, s, tx, ty)
+
+
+path, bounds = text_path(TEXT)
+xmin, ymin, xmax, ymax = bounds
+w, h = xmax - xmin, ymax - ymin
+
 # Wide wordmark, normalized to 100 px tall.
 pad = 0.30 * h
 s = 100.0 / (h + 2 * pad)
 W = round((w + 2 * pad) * s, 2)
 (ROOT / "gitplm-logo.svg").write_text(
-    svg(W, 100, s, (pad - xmin) * s, (pad - ymin) * s)
+    svg(path, W, 100, s, (pad - xmin) * s, (pad - ymin) * s)
 )
 print(f"wrote gitplm-logo.svg {W} x 100")
 
 # Square logo: 360x360, text ~85% of width, centered.
-SQ = 360
-s2 = (SQ * 0.85) / w
-tx = (SQ - w * s2) / 2 - xmin * s2
-ty = (SQ - h * s2) / 2 - ymin * s2
-(ROOT / "gitplm-logo-square.svg").write_text(svg(SQ, SQ, s2, tx, ty))
+(ROOT / "gitplm-logo-square.svg").write_text(square(path, bounds, 0.85))
 print("wrote gitplm-logo-square.svg 360x360")
+
+# [g] icon for favicons -- a full wordmark is unreadable at tab size.
+ipath, ibounds = text_path("[g]")
+(ROOT / "gitplm-icon.svg").write_text(square(ipath, ibounds, 0.72))
+print("wrote gitplm-icon.svg 360x360")