fix(ssr): vendor + client wizard step layout (vertical timeline)

BUG E/F: the Vendor and Client wizard step cards overflowed — horizontal
scrollbar, clipped fields, a huge empty grey left region. The step-card lays the
step timeline in a vertical left sidebar (grow-0, self-stretch), but
vendor-timeline/client-timeline rendered the HORIZONTAL `timeline` component,
which forced the shrink-to-fit sidebar to ~full card width and pushed the body
off-screen.

- vendor-timeline / client-timeline: use timeline/vertical-timeline +
  vertical-timeline-step (the components already existed) instead of the
  horizontal pair.
- vendors.clj: step bodies w-[600px] h-[350px] -> w-full h-[350px] so the body
  fills the width left of the now-narrow vertical timeline.

Verified live (agent-browser): Vendor 760x520, Client 820x560, vertical timeline,
no horizontal overflow, Info->Terms navigation + validation re-render lay out
correctly. Both files pass lein cljfmt check.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/clj/auto_ap/ssr/admin/clients.clj

@@ -501,14 +501,14 @@
 (defn- client-timeline [active]
   (let [steps ["Info" "Matches" "Contact" "Bank Accounts" "Integrations" "Cash Flow" "Other Settings"]
         active-index (.indexOf steps active)]
-    (timeline/timeline
+    (timeline/vertical-timeline
      {}
      (for [[n i] (map vector steps (range))]
-       (timeline/timeline-step (cond-> {}
-                                 (= i active-index) (assoc :active? true)
-                                 (< i active-index) (assoc :visited? true)
-                                 (= i (dec (count steps))) (assoc :last? true))
-                               n)))))
+       (timeline/vertical-timeline-step (cond-> {}
+                                          (= i active-index) (assoc :active? true)
+                                          (< i active-index) (assoc :visited? true)
+                                          (= i (dec (count steps))) (assoc :last? true))
+                                        n)))))
 
 (defn- step-card
   "A wizard step's modal card: header (title + client-name chip), a side timeline, the body,

src/clj/auto_ap/ssr/admin/vendors.clj

@@ -357,14 +357,14 @@
 (defn- vendor-timeline [active]
   (let [steps ["Info" "Terms" "Account" "Address" "Legal"]
         active-index (.indexOf steps active)]
-    (timeline/timeline
+    (timeline/vertical-timeline
      {}
      (for [[n i] (map vector steps (range))]
-       (timeline/timeline-step (cond-> {}
-                                 (= i active-index) (assoc :active? true)
-                                 (< i active-index) (assoc :visited? true)
-                                 (= i (dec (count steps))) (assoc :last? true))
-                               n)))))
+       (timeline/vertical-timeline-step (cond-> {}
+                                          (= i active-index) (assoc :active? true)
+                                          (< i active-index) (assoc :visited? true)
+                                          (= i (dec (count steps))) (assoc :last? true))
+                                        n)))))
 
 (defn- step-card
   "A wizard step's modal card: header (title + the vendor name chip), a side timeline, the
@@ -390,7 +390,7 @@
       (step-card
        {:title "Basic Info" :active "Info" :all-data (merge all-data data)
         :nav (wizard2/nav-footer {:next "Terms"})
-        :body [:div.space-y-1.mt-4 {:class "w-[600px] h-[350px]"}
+        :body [:div.space-y-1.mt-4 {:class "w-full h-[350px]"}
                (when (:db/id data) (com/hidden {:name "db/id" :value (:db/id data)}))
                (com/validated-field
                 {:label "Name" :errors (ferr :vendor/name)}
@@ -492,7 +492,7 @@
       (step-card
        {:title "Terms" :active "Terms" :all-data all-data
         :nav (wizard2/nav-footer {:back? true :next "Account"})
-        :body [:div.space-y-1 {:class "w-[600px] h-[350px]"}
+        :body [:div.space-y-1 {:class "w-full h-[350px]"}
                (com/validated-field
                 {:label "Terms" :errors (ferr :vendor/terms)}
                 [:div.flex.items-baseline.gap-x-4
@@ -525,7 +525,7 @@
       (step-card
        {:title "Account Assignments" :active "Account" :all-data all-data
         :nav (wizard2/nav-footer {:back? true :next "Address"})
-        :body [:div.space-y-1 {:class "w-[600px] h-[350px] "}
+        :body [:div.space-y-1 {:class "w-full h-[350px] "}
                (com/validated-field
                 {:label "Default Account" :errors (ferr :vendor/default-account)}
                 (com/typeahead {:name "vendor/default-account"
@@ -552,7 +552,7 @@
       (step-card
        {:title "Address" :active "Address" :all-data all-data
         :nav (wizard2/nav-footer {:back? true :next "Legal"})
-        :body [:div.space-y-1 {:class "w-[600px] h-[350px]"}
+        :body [:div.space-y-1 {:class "w-full h-[350px]"}
                [:div.flex.flex-col.w-full
                 (when (:db/id addr) (com/hidden {:name (an :db/id) :value (:db/id addr)}))
                 (com/validated-field
@@ -580,7 +580,7 @@
       (step-card
        {:title "Legal Entity" :active "Legal" :all-data all-data
         :nav (wizard2/nav-footer {:back? true :save? true})
-        :body [:div {:class "w-[600px] h-[350px]"}
+        :body [:div {:class "w-full h-[350px]"}
                [:div.grid.grid-cols-6.gap-x-4.gap-y-2
                 [:div.col-span-6
                  (com/validated-field