refactor: move static assets out of templates/ into static/

Move CSS, JS, favicon files to static/ directory to separate
compiled-in assets from Askama templates. Update all include paths,
build.rs, flake.nix, and Tailwind @source directives.

.gitignore

@@ -5,4 +5,4 @@ TODO.md
 SPEC.md
 backup.json
 .env
-templates/styles.css
+static/css/styles.css

build.rs

@@ -20,13 +20,16 @@ fn git_hash() {
 }
 
 fn tailwind() {
-    // Rerun when any template file changes (Tailwind scans them for classes)
+    // Rerun when any template or static file changes
     for entry in walkdir("templates") {
         println!("cargo:rerun-if-changed={entry}");
     }
+    for entry in walkdir("static") {
+        println!("cargo:rerun-if-changed={entry}");
+    }
 
     let mut cmd = Command::new("tailwindcss");
-    cmd.args(["-i", "templates/input.css", "-o", "templates/styles.css"]);
+    cmd.args(["-i", "static/css/input.css", "-o", "static/css/styles.css"]);
 
     if std::env::var("PROFILE").as_deref() == Ok("release") {
         cmd.arg("--minify");

flake.nix

@@ -54,7 +54,7 @@
               buildInputs = [ pkgs.openssl ];
 
               preBuild = ''
-                tailwindcss -i templates/input.css -o templates/styles.css --minify
+                tailwindcss -i static/css/input.css -o static/css/styles.css --minify
               '';
 
               meta = {

src/application/routes/mod.rs

@@ -149,35 +149,35 @@ async fn scan_redirect() -> Redirect {
 async fn styles() -> impl IntoResponse {
     (
         [("content-type", "text/css; charset=utf-8")],
-        include_str!("../../../templates/styles.css"),
+        include_str!("../../../static/css/styles.css"),
     )
 }
 
 async fn webauthn_js() -> impl IntoResponse {
     (
         [("content-type", "application/javascript; charset=utf-8")],
-        include_str!("../../../templates/webauthn.js"),
+        include_str!("../../../static/js/webauthn.js"),
     )
 }
 
 async fn photo_capture_js() -> impl IntoResponse {
     (
         [("content-type", "application/javascript; charset=utf-8")],
-        include_str!("../../../templates/components/photo-capture.js"),
+        include_str!("../../../static/js/components/photo-capture.js"),
     )
 }
 
 async fn searchable_select_js() -> impl IntoResponse {
     (
         [("content-type", "application/javascript; charset=utf-8")],
-        include_str!("../../../templates/components/searchable-select.js"),
+        include_str!("../../../static/js/components/searchable-select.js"),
     )
 }
 
 async fn favicon() -> impl IntoResponse {
     (
         [("content-type", "image/x-icon")],
-        include_bytes!("../../../templates/favicon.ico").as_ref(),
+        include_bytes!("../../../static/favicon.ico").as_ref(),
     )
 }
 

static/css/input.css

@@ -1,5 +1,6 @@
 @import "tailwindcss";
-@source "./";
+@source "../../templates/";
+@source "../../static/js/";
 
 /* ── Dark mode variant (selector-based) ────────────────────────── */