refactor: http-axum split into api/html/federation modules, router.rs, templates per page group

crates/adapters/http-axum/src/html/templates/import.rs

@@ -0,0 +1,47 @@
+use api_types::HtmlPageContext;
+use askama::Template;
+
+#[derive(Template)]
+#[template(path = "import_upload.html")]
+pub struct ImportUploadTemplate<'a> {
+    pub ctx: &'a HtmlPageContext,
+    pub profiles: &'a [ImportProfileView],
+    pub error: Option<&'a str>,
+}
+
+pub struct ImportProfileView {
+    pub id: String,
+    pub name: String,
+}
+
+#[derive(Template)]
+#[template(path = "import_mapping.html")]
+pub struct ImportMappingTemplate<'a> {
+    pub ctx: &'a HtmlPageContext,
+    pub session_id: &'a str,
+    pub columns: &'a [String],
+    pub sample_rows: &'a [Vec<String>],
+    pub domain_fields: &'a [(&'static str, &'static str)],
+    pub error: Option<&'a str>,
+}
+
+#[derive(Template)]
+#[template(path = "import_preview.html")]
+pub struct ImportPreviewTemplate<'a> {
+    pub ctx: &'a HtmlPageContext,
+    pub session_id: &'a str,
+    pub columns: &'a [String],
+    pub rows: &'a [ImportPreviewRow],
+}
+
+pub struct ImportPreviewRow {
+    pub index: usize,
+    pub status: ImportRowStatus,
+    pub cells: Vec<String>,
+}
+
+pub enum ImportRowStatus {
+    Valid,
+    Duplicate,
+    Invalid(String),
+}