fix(quotesdb): submit form UX fixes (6a4c61, dfd185, 5b3475)

- Replace 'Submit another' link with 'Browse all quotes' -> Route::Browse
- Change date input from type=text to type=date, remove placeholder
- Make author optional (defaults to Anonymous), update label
- Clarify auth code label to 'Edit/delete passphrase'

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

quotesdb/src/bin/ui/pages/submit.rs

@@ -50,8 +50,8 @@ pub fn submit_page() -> Html {
             let tags_val = (*tags).clone();
             let auth_val = (*custom_auth).clone();
 
-            if text_val.is_empty() || author_val.is_empty() {
-                error.set(Some("Text and author are required.".to_string()));
+            if text_val.is_empty() {
+                error.set(Some("Quote text is required.".to_string()));
                 return;
             }
 
@@ -63,7 +63,11 @@ pub fn submit_page() -> Html {
 
             let input = CreateQuoteInput {
                 text: text_val,
-                author: author_val,
+                author: if author_val.is_empty() {
+                    "Anonymous".to_string()
+                } else {
+                    author_val
+                },
                 source: if source_val.is_empty() {
                     None
                 } else {
@@ -124,8 +128,8 @@ pub fn submit_page() -> Html {
                     >
                         { "View your quote" }
                     </Link<Route>>
-                    <Link<Route> to={Route::Submit} classes="btn">
-                        { "Submit another" }
+                    <Link<Route> to={Route::Browse} classes="btn">
+                        { "Browse all quotes" }
                     </Link<Route>>
                 </div>
             </div>
@@ -160,7 +164,7 @@ pub fn submit_page() -> Html {
                 </div>
 
                 <div class="submit-form__field">
-                    <label class="submit-form__label" for="author">{ "Author *" }</label>
+                    <label class="submit-form__label" for="author">{ "Author (optional, defaults to Anonymous)" }</label>
                     <input
                         id="author"
                         class="submit-form__input"
@@ -174,7 +178,6 @@ pub fn submit_page() -> Html {
                                 author.set(input.value());
                             })
                         }}
-                        required=true
                     />
                 </div>
 
@@ -197,12 +200,11 @@ pub fn submit_page() -> Html {
                 </div>
 
                 <div class="submit-form__field">
-                    <label class="submit-form__label" for="date">{ "Date (optional, YYYY-MM-DD)" }</label>
+                    <label class="submit-form__label" for="date">{ "Date (optional)" }</label>
                     <input
                         id="date"
                         class="submit-form__input"
-                        type="text"
-                        placeholder="e.g. 1884-01-01"
+                        type="date"
                         value={(*date).clone()}
                         oninput={{
                             let date = date.clone();
@@ -234,7 +236,7 @@ pub fn submit_page() -> Html {
 
                 <div class="submit-form__field">
                     <label class="submit-form__label" for="auth_code">
-                        { "Custom auth code (optional)" }
+                        { "Edit/delete passphrase (auto-generated if left blank)" }
                     </label>
                     <input
                         id="auth_code"