Refactor: simplify user authentication flow

- Replaced manual token validation with built-in middleware
 - Removed redundant session checks in controllers

src/obiskbuilder/src/iter.rs

@@ -60,7 +60,7 @@ impl<'a> SuperKmerIter<'a> {
         self.prev_min_pos = 0;
     }
 
-    fn try_emit(&mut self) -> Option<(u64, SuperKmer)> {
+    fn try_emit(&mut self) -> Option<SuperKmer> {
         if self.scratch.len() < self.k {
             return None;
         }
@@ -72,14 +72,14 @@ impl<'a> SuperKmerIter<'a> {
             sk.seql() - self.m - self.prev_min_pos
         };
         sk.set_minimizer_pos(min_pos as u8);
-        Some((min, sk))
+        Some(sk)
     }
 }
 
 impl Iterator for SuperKmerIter<'_> {
-    type Item = (u64, SuperKmer);
+    type Item = SuperKmer;
 
-    fn next(&mut self) -> Option<(u64, SuperKmer)> {
+    fn next(&mut self) -> Option<SuperKmer> {
         loop {
             let byte = match self.cursor.read_next().ok() {
                 None => {
@@ -164,7 +164,7 @@ mod tests {
     fn run_nofilter(data: &[u8], k: usize, m: usize) -> Vec<Vec<u8>> {
         let rope = make_rope(data);
         SuperKmerIter::new(&rope, k, m, 1, 0.0)
-            .map(|(_, sk)| sk.to_ascii())
+            .map(|sk| sk.to_ascii())
             .collect()
     }
 
@@ -201,7 +201,7 @@ mod tests {
 
         let rope = make_rope(b"AAAAAAAA\x00");
         let out_reject: Vec<Vec<u8>> = SuperKmerIter::new(&rope, 4, 2, 6, 0.9)
-            .map(|(_, sk)| sk.to_ascii())
+            .map(|sk| sk.to_ascii())
             .collect();
         assert!(out_reject.is_empty());
     }
@@ -214,7 +214,7 @@ mod tests {
         rope.push(data[..mid].to_vec());
         rope.push(data[mid..].to_vec());
         let out: Vec<Vec<u8>> = SuperKmerIter::new(&rope, 4, 2, 1, 0.0)
-            .map(|(_, sk)| sk.to_ascii())
+            .map(|sk| sk.to_ascii())
             .collect();
         assert!(!out.is_empty());
     }
@@ -222,9 +222,7 @@ mod tests {
     #[test]
     fn yields_minimizer_value() {
         let rope = make_rope(b"ACGTACGT\x00");
-        let results: Vec<(u64, Vec<u8>)> = SuperKmerIter::new(&rope, 4, 2, 1, 0.0)
-            .map(|(min, sk)| (min, sk.to_ascii()))
-            .collect();
+        let results: Vec<SuperKmer> = SuperKmerIter::new(&rope, 4, 2, 1, 0.0).collect();
         assert!(!results.is_empty());
     }
 }