Daily note title format setting (Localized/ISO/Long/US/EU); filenames stay ISO (#40)

src-tauri/src/commands.rs

@@ -300,7 +300,7 @@ pub fn create_note(
 pub fn create_daily_note(state: State<'_, AppState>, date: Option<String>) -> Result<NoteEntry, String> {
     let config = state.config.lock().map_err(|e| e.to_string())?;
     let vault_path = config.active_vault.as_ref().ok_or("No active vault")?;
-    let entry = operations::create_daily_note(vault_path, date.as_deref())?;
+    let entry = operations::create_daily_note(vault_path, date.as_deref(), &config.daily_title_format)?;
 
     if let Ok(search_guard) = state.search_index.lock() {
         if let Some(ref search) = *search_guard {
@@ -1068,6 +1068,7 @@ pub fn set_general_settings(
     compact_notes: bool,
     time_format: String,
     week_start: String,
+    daily_title_format: String,
     gpu_acceleration: bool,
     autostart: bool,
     pdf_preview: bool,
@@ -1088,6 +1089,7 @@ pub fn set_general_settings(
     config.restore_last_session = restore_last_session;
     config.time_format = time_format;
     config.week_start = week_start;
+    config.daily_title_format = daily_title_format;
     config.gpu_acceleration = gpu_acceleration;
     config.autostart = autostart;
     config.pdf_preview = pdf_preview;

src-tauri/src/types.rs

@@ -79,6 +79,8 @@ pub struct AppConfig {
     pub time_format: String,
     #[serde(default = "default_week_start")]
     pub week_start: String,
+    #[serde(default = "default_daily_title_format")]
+    pub daily_title_format: String,
     #[serde(default)]
     pub gpu_acceleration: bool,
     #[serde(default)]
@@ -178,6 +180,10 @@ fn default_week_start() -> String {
     "monday".to_string()
 }
 
+fn default_daily_title_format() -> String {
+    "localized".to_string()
+}
+
 fn default_max_versions() -> u32 {
     20
 }
@@ -201,6 +207,7 @@ impl Default for AppConfig {
             show_note_dates: true,
             time_format: "relative".to_string(),
             week_start: "monday".to_string(),
+            daily_title_format: "localized".to_string(),
             gpu_acceleration: true,
             autostart: false,
             pdf_preview: false,

src-tauri/src/vault/operations.rs

@@ -520,15 +520,27 @@ fn get_system_locale() -> Locale {
     }
 }
 
-pub fn create_daily_note(vault_path: &str, date: Option<&str>) -> Result<NoteEntry, String> {
+pub fn create_daily_note(
+    vault_path: &str,
+    date: Option<&str>,
+    format: &str,
+) -> Result<NoteEntry, String> {
     let target_date = match date {
         Some(d) => chrono::NaiveDate::parse_from_str(d, "%Y-%m-%d")
             .map_err(|e| format!("Invalid date: {}", e))?,
         None => Local::now().date_naive(),
     };
     let date_str = target_date.format("%Y-%m-%d").to_string();
-    let locale = get_system_locale();
-    let title = target_date.format_localized("%B %d, %Y", locale).to_string();
+    let title = match format {
+        "iso" => target_date.format("%Y-%m-%d").to_string(),
+        "long" => target_date.format("%B %-d, %Y").to_string(),
+        "us" => target_date.format("%m/%d/%Y").to_string(),
+        "eu" => target_date.format("%d/%m/%Y").to_string(),
+        _ => {
+            let locale = get_system_locale();
+            target_date.format_localized("%B %d, %Y", locale).to_string()
+        }
+    };
 
     let dir = Path::new(vault_path).join("Daily");
     fs::create_dir_all(&dir).map_err(|e| e.to_string())?;

src/lib/api.ts

@@ -216,6 +216,7 @@ export async function setGeneralSettings(
   compactNotes: boolean,
   timeFormat: string,
   weekStart: string,
+  dailyTitleFormat: string,
   gpuAcceleration: boolean,
   autostart: boolean,
   pdfPreview: boolean,
@@ -234,6 +235,7 @@ export async function setGeneralSettings(
     compactNotes,
     timeFormat,
     weekStart,
+    dailyTitleFormat,
     gpuAcceleration,
     autostart,
     pdfPreview,

src/lib/components/SettingsPanel.svelte

@@ -461,6 +461,7 @@
 	let restoreLastSession = $state($appConfig?.restore_last_session ?? false);
 	let timeFormat = $state($appConfig?.time_format ?? 'relative');
 	let weekStart = $state($appConfig?.week_start ?? 'monday');
+	let dailyTitleFormat = $state($appConfig?.daily_title_format ?? 'localized');
 	let gpuAcceleration = $state($appConfig?.gpu_acceleration ?? true);
 	let autostart = $state($appConfig?.autostart ?? false);
 
@@ -519,6 +520,7 @@
 			$appConfig.restore_last_session = restoreLastSession;
 			$appConfig.time_format = timeFormat;
 			$appConfig.week_start = weekStart;
+			$appConfig.daily_title_format = dailyTitleFormat;
 			$appConfig.gpu_acceleration = gpuAcceleration;
 			$appConfig.autostart = autostart;
 			$appConfig.pdf_preview = pdfPreview;
@@ -531,7 +533,7 @@
 			$appConfig.close_to_tray = closeToTray;
 			$appConfig.enable_wiki_links = enableWikiLinks;
 		}
-		setGeneralSettings(compactNotes, timeFormat, weekStart, gpuAcceleration, autostart, pdfPreview, pdfHeight, titleMode, hideTitleInBody, showLineNumbers, defaultViewMode, showTrayIcon, closeToTray, enableWikiLinks, showNoteDates, restoreLastSession)
+		setGeneralSettings(compactNotes, timeFormat, weekStart, dailyTitleFormat, gpuAcceleration, autostart, pdfPreview, pdfHeight, titleMode, hideTitleInBody, showLineNumbers, defaultViewMode, showTrayIcon, closeToTray, enableWikiLinks, showNoteDates, restoreLastSession)
 			.catch((e) => console.error('Failed to save general settings:', e));
 	}
 
@@ -656,6 +658,7 @@
 			restoreLastSession = $appConfig.restore_last_session ?? false;
 			timeFormat = $appConfig.time_format ?? 'relative';
 			weekStart = $appConfig.week_start ?? 'monday';
+			dailyTitleFormat = $appConfig.daily_title_format ?? 'localized';
 			gpuAcceleration = $appConfig.gpu_acceleration ?? true;
 			autostart = $appConfig.autostart ?? false;
 			pdfPreview = $appConfig.pdf_preview ?? false;
@@ -801,6 +804,17 @@
 								</div>
 							</div>
 
+							<div class="settings-section">
+								<h3>Daily note title format</h3>
+								<div class="setting-options">
+									<button class="option-btn" class:active={dailyTitleFormat === 'localized'} onclick={() => { dailyTitleFormat = 'localized'; saveGeneralSettings(); }}>Localized</button>
+									<button class="option-btn" class:active={dailyTitleFormat === 'iso'} onclick={() => { dailyTitleFormat = 'iso'; saveGeneralSettings(); }}>2026-06-10</button>
+									<button class="option-btn" class:active={dailyTitleFormat === 'long'} onclick={() => { dailyTitleFormat = 'long'; saveGeneralSettings(); }}>June 10, 2026</button>
+									<button class="option-btn" class:active={dailyTitleFormat === 'us'} onclick={() => { dailyTitleFormat = 'us'; saveGeneralSettings(); }}>06/10/2026</button>
+									<button class="option-btn" class:active={dailyTitleFormat === 'eu'} onclick={() => { dailyTitleFormat = 'eu'; saveGeneralSettings(); }}>10/06/2026</button>
+								</div>
+							</div>
+
 							{#if isMobile}
 							<div class="settings-section">
 								<h3>Vault</h3>

src/lib/types.ts

@@ -59,6 +59,7 @@ export interface AppConfig {
   show_note_dates: boolean;
   time_format: string;
   week_start: string;
+  daily_title_format: string;
   gpu_acceleration: boolean;
   autostart: boolean;
   pdf_preview: boolean;