Fix the caps kicker to trigger on ratio, not uppercase count

src/engine/db/mod.rs

@@ -635,7 +635,9 @@ impl KickerSettings {
             if text.chars().count() >= min {
                 let upper = text.chars().filter(|c| c.is_ascii_uppercase()).count() as u32;
                 let lower = text.chars().filter(|c| c.is_ascii_lowercase()).count() as u32;
-                if upper as usize >= min && upper + lower > 0 && upper * 100 / (upper + lower) >= percent {
+                // Length is already gated above; gate only on the caps ratio here
+                // (a prior `upper >= min` clause wrongly demanded min uppercase letters).
+                if upper + lower > 0 && upper * 100 / (upper + lower) >= percent {
                     return Some("Turn caps lock off!");
                 }
             }

src/engine/db/tests.rs

@@ -941,3 +941,15 @@
         assert_eq!(db.channel("#foo").unwrap().join_mode("alice"), None, "purge holds after replay");
         assert_eq!(db.channel_successor("#bar"), None, "successor purge holds after replay");
     }
+
+    #[test]
+    fn caps_kicker_triggers_on_ratio_not_uppercase_count() {
+        let k = KickerSettings { caps: true, ..Default::default() };
+        // 9 uppercase in an 18-char line is ~50% caps and over the length floor —
+        // it must trip even though the uppercase count is below caps_min (a prior
+        // `upper >= min` bug let it slip through).
+        assert_eq!(k.violation("AAAAAAAAA hi there"), Some("Turn caps lock off!"));
+        // A short or low-ratio line still doesn't trip.
+        assert_eq!(k.violation("Hello there"), None);
+        assert_eq!(k.violation("YO"), None, "too short for the length floor");
+    }