fix(frontend): .env reaches the build for $env/static, the runtime image stays without it; eslint + prettier as an alternative to biome; image named with dashes

template/{{ part_dir }}/{% if linter == 'eslint' %}eslint.config.js{% endif %}.jinja

@@ -0,0 +1,49 @@
+import { fileURLToPath } from "node:url";
+import { includeIgnoreFile } from "@eslint/compat";
+import js from "@eslint/js";
+import prettier from "eslint-config-prettier";
+import svelte from "eslint-plugin-svelte";
+import { defineConfig } from "eslint/config";
+import globals from "globals";
+import ts from "typescript-eslint";
+import svelteConfig from "./svelte.config.js";
+
+const gitignorePath = fileURLToPath(new URL("./.gitignore", import.meta.url));
+
+export default defineConfig(
+  includeIgnoreFile(gitignorePath),
+  js.configs.recommended,
+  ...ts.configs.recommended,
+  ...svelte.configs.recommended,
+  prettier,
+  ...svelte.configs.prettier,
+  {
+    languageOptions: { globals: { ...globals.browser, ...globals.node } },
+    rules: {
+      // typescript-eslint recommends against no-undef on TypeScript projects:
+      // https://typescript-eslint.io/troubleshooting/faqs/eslint/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
+      "no-undef": "off",
+    },
+  },
+{%- if ui_library == 'shadcn' %}
+  {
+    // shadcn-svelte primitives are copied in and changed upstream only.
+    files: ["src/lib/components/ui/**"],
+    rules: {
+      "@typescript-eslint/no-explicit-any": "off",
+      "svelte/no-navigation-without-resolve": "off",
+    },
+  },
+{%- endif %}
+  {
+    files: ["**/*.svelte", "**/*.svelte.ts", "**/*.svelte.js"],
+    languageOptions: {
+      parserOptions: {
+        extraFileExtensions: [".svelte"],
+        parser: ts.parser,
+        projectService: true,
+        svelteConfig,
+      },
+    },
+  }
+);