fix: deduplicate icons in browser by preferring highest resolution version

src/composite_icon.rs

@@ -25,28 +25,75 @@ impl CompositeIcon {
 
     pub fn render(&self) -> String {
         if let Some(emblem) = &self.emblem {
-            fn strip_xml(svg: &str) -> &str {
-                if let Some(idx) = svg.find("<svg") {
-                    &svg[idx..]
-                } else {
-                    svg
+            use regex::Regex;
+            
+            fn parse_dims(svg: &str) -> (f64, f64) {
+                if let Some(re) = Regex::new(r#"(?i)<svg[^>]*viewBox\s*=\s*"([^"]+)""#).ok() {
+                    if let Some(caps) = re.captures(svg) {
+                        let parts: Vec<&str> = caps.get(1).unwrap().as_str().split_whitespace().collect();
+                        if parts.len() == 4 {
+                            if let (Ok(w), Ok(h)) = (parts[2].parse::<f64>(), parts[3].parse::<f64>()) {
+                                return (w, h);
+                            }
+                        }
+                    }
                 }
+                let mut w = 64.0;
+                let mut h = 64.0;
+                if let Some(re_w) = Regex::new(r#"(?i)<svg[^>]*width\s*=\s*"([^"a-zA-Z]+)[a-zA-Z]*""#).ok() {
+                    if let Some(caps) = re_w.captures(svg) {
+                        if let Ok(val) = caps.get(1).unwrap().as_str().trim().parse::<f64>() {
+                            w = val;
+                        }
+                    }
+                }
+                if let Some(re_h) = Regex::new(r#"(?i)<svg[^>]*height\s*=\s*"([^"a-zA-Z]+)[a-zA-Z]*""#).ok() {
+                    if let Some(caps) = re_h.captures(svg) {
+                        if let Ok(val) = caps.get(1).unwrap().as_str().trim().parse::<f64>() {
+                            h = val;
+                        }
+                    }
+                }
+                (w, h)
             }
             
-            let bg_svg = strip_xml(&self.bg.content);
-            let emblem_svg = strip_xml(&emblem.content);
+            fn extract_inner(svg: &str) -> &str {
+                let start = if let Some(idx) = svg.find("<svg") {
+                    if let Some(close_idx) = svg[idx..].find('>') {
+                        idx + close_idx + 1
+                    } else { 0 }
+                } else { 0 };
+                let end = if let Some(idx) = svg.rfind("</svg>") { idx } else { svg.len() };
+                if start < end { &svg[start..end] } else { svg }
+            }
+
+            let (bg_w, bg_h) = parse_dims(&self.bg.content);
+            let (em_w, em_h) = parse_dims(&emblem.content);
             
-            format!(
-                r#"<svg viewBox="0 0 64 64" xmlns="http://www.w3.org/2000/svg">
-  <svg x="0" y="0" width="64" height="64">
+            let mapped_x = self.emblem_x * bg_w / 64.0;
+            let mapped_y = self.emblem_y * bg_h / 64.0;
+            let mapped_size = self.emblem_size * bg_w / 64.0; // Assuming uniform coordinate mapping scaling based on width
+            
+            let scale_x = mapped_size / em_w;
+            let scale_y = mapped_size / em_h; // Keep aspect ratio mapping relative to its own viewBox
+
+            let emblem_inner = extract_inner(&emblem.content);
+            
+            let emblem_group = format!(
+                r#"<g transform="translate({}, {}) scale({}, {})">
 {}
-  </svg>
-  <svg x="{}" y="{}" width="{}" height="{}">
-{}
-  </svg>
+</g>
 </svg>"#,
-                bg_svg, self.emblem_x, self.emblem_y, self.emblem_size, self.emblem_size, emblem_svg
-            )
+                mapped_x, mapped_y, scale_x, scale_y, emblem_inner
+            );
+            
+            if let Some(idx) = self.bg.content.rfind("</svg>") {
+                let mut new_svg = self.bg.content[..idx].to_string();
+                new_svg.push_str(&emblem_group);
+                new_svg
+            } else {
+                self.bg.content.clone() // fallback
+            }
         } else {
             self.bg.content.clone()
         }

src/icon_index.rs

@@ -2,13 +2,48 @@ use std::path::{Path, PathBuf};
 use walkdir::WalkDir;
 
 pub fn list_svg_icons(root: &Path) -> Vec<PathBuf> {
-    WalkDir::new(root)
+    use std::collections::HashMap;
+    let mut best_icons: HashMap<String, (u32, PathBuf)> = HashMap::new();
+
+    let walker = WalkDir::new(root)
         .into_iter()
         .filter_map(|e| e.ok())
         .filter(|e| e.file_type().is_file())
-        .filter(|e| e.path().extension().and_then(|s| s.to_str()) == Some("svg"))
-        .map(|e| e.path().to_path_buf())
-        .collect()
+        .filter(|e| e.path().extension().and_then(|s| s.to_str()) == Some("svg"));
+
+    for entry in walker {
+        let path = entry.path().to_path_buf();
+        let mut components = path.components().rev();
+        
+        let filename = if let Some(c) = components.next() {
+            c.as_os_str().to_string_lossy().into_owned()
+        } else { continue; };
+        
+        let size_str = if let Some(c) = components.next() {
+            c.as_os_str().to_string_lossy().into_owned()
+        } else { continue; };
+        
+        let category = if let Some(c) = components.next() {
+            c.as_os_str().to_string_lossy().into_owned()
+        } else { continue; };
+
+        let score = if size_str == "scalable" {
+            10000
+        } else if size_str.ends_with("x2") || size_str.ends_with("@2x") {
+            size_str.trim_matches(|c: char| !c.is_numeric()).parse::<u32>().unwrap_or(0) * 2
+        } else {
+            size_str.parse::<u32>().unwrap_or(0)
+        };
+
+        let key = format!("{}/{}", category, filename);
+        
+        let entry = best_icons.entry(key).or_insert((score, path.clone()));
+        if score > entry.0 {
+            *entry = (score, path);
+        }
+    }
+
+    best_icons.into_values().map(|(_, p)| p).collect()
 }
 
 pub fn fuzzy_match(query: &str, candidate: &str) -> bool {