feat(assets): add TypeScript type declarations for Hugo @params module

Add proper type definitions for Hugo's `@params` virtual module, configure
tsconfig paths/typeRoots for resolution, and remove the @ts-expect-error
suppress in color-scheme.ts. Also fix nil input handling in camel-case-keys.

assets/js/head/color-scheme.ts

@@ -1,4 +1,3 @@
-// @ts-expect-error — Hugo js.Build virtual module
 import params from '@params'
 
 /**

assets/js/types/params.d.ts

@@ -0,0 +1,8 @@
+/**
+ * Hugo `@params` type declarations
+ * This file provides TypeScript type definitions for Hugo's `@params` module
+ */
+
+declare module '@params' {
+  export const defaultTheme: string
+}

assets/tsconfig.json

@@ -4,6 +4,12 @@
     "lib": ["DOM", "DOM.Iterable", "ESNext"],
     "module": "ESNext",
     "moduleResolution": "bundler",
+    "paths": {
+      "@params": ["./js/types/params"]
+    },
+    "typeRoots": [
+      "./js/types"
+    ],
     "strict": true,
     "noUnusedLocals": true,
     "allowSyntheticDefaultImports": true,

layouts/_partials/function/camel-case-keys.html

@@ -26,7 +26,7 @@
   // Practical usage in templates
   {{- $siteParams := partial "function/camel-case-keys.html" .Site.Params }}
 */ -}}
-{{- $input := . -}}
+{{- $input := . | default dict -}}
 {{- $output := dict -}}
 
 {{- if reflect.IsMap $input -}}

layouts/_partials/init/index.html

@@ -1,4 +1,4 @@
-{{- hugo.Store.Set "version" "v1.0.0-mrn0yyrp" -}}
+{{- hugo.Store.Set "version" "v1.0.0-mrn7n5sf" -}}
 {{- .Store.Set "this" dict -}}
 
 {{- partial "init/detection-env.html" . -}}