Revert "feat(calendar-events): add view toggle, source filters, detail dialog, error banner, loading indicator"

This reverts commit d8e280df2a.

test/ui/calendar_events_test.clj

@@ -115,61 +115,3 @@
                                                 :label "Wed"
                                                 :events sample-events})]
       (is (nil? result)))))
-
-;; ── New component tests ─────────────────────────────────────────────
-
-(deftest view-toggle-class-list-test
-  (testing "active"
-    (is (= ["cal-view-btn" "cal-view-btn-active"]
-           (cal-events/view-toggle-class-list {:active? true}))))
-  (testing "inactive"
-    (is (= ["cal-view-btn"]
-           (cal-events/view-toggle-class-list {:active? false})))))
-
-(deftest source-toggle-class-list-test
-  (testing "active source"
-    (is (= ["cal-source-toggle" "cal-event-accent"]
-           (cal-events/source-toggle-class-list {:color :accent :active? true}))))
-  (testing "inactive source"
-    (is (= ["cal-source-toggle" "cal-event-danger" "cal-source-inactive"]
-           (cal-events/source-toggle-class-list {:color :danger :active? false})))))
-
-(deftest view-toggle-component-test
-  (testing "renders view toggle (clj target)"
-    (let [result (cal-events/view-toggle {:view :month})]
-      (is (= :div (first result)))
-      (is (= "cal-view-toggle" (get-in result [1 :class]))))))
-
-(deftest loading-indicator-test
-  (testing "renders loading indicator"
-    (let [result (cal-events/loading-indicator)]
-      (is (= :div (first result)))
-      (is (= "cal-loading" (get-in result [1 :class]))))))
-
-(deftest error-banner-test
-  (testing "renders error with message"
-    (let [result (cal-events/error-banner {:message "Something broke"})]
-      (is (some? result))
-      (is (= :div (first result)))))
-  (testing "returns nil with no message"
-    (is (nil? (cal-events/error-banner {:message nil})))))
-
-(deftest source-toggles-test
-  (testing "renders source toggles"
-    (let [result (cal-events/source-toggles
-                   {:sources [{:name "Work" :color :accent :active? true}
-                              {:name "Personal" :color :success :active? false}]})]
-      (is (some? result))
-      (is (= :div (first result)))))
-  (testing "returns nil with no sources"
-    (is (nil? (cal-events/source-toggles {:sources []})))))
-
-(deftest event-detail-dialog-test
-  (testing "renders detail dialog with event"
-    (let [evt {:title "Meeting" :date "2026-03-29" :color :accent
-               :time-start "10:00" :tags ["work"] :source "cal:Work"}
-          result (cal-events/event-detail-dialog {:event evt})]
-      (is (some? result))
-      (is (= :div (first result)))))
-  (testing "returns nil with no event"
-    (is (nil? (cal-events/event-detail-dialog {:event nil})))))