feat: Implement core application structure with frontend styling, JavaScript, and Python backend services.

frontend/app.js

@@ -2868,11 +2868,12 @@
     _currentFilter: "",
 
     async load(vaultFilter = "") {
-      this._currentFilter = vaultFilter;
+      const v = vaultFilter || selectedContextVault || "all";
+      this._currentFilter = v;
       this.showLoading();
 
-      let url = "/api/recent";
-      if (vaultFilter) url += `?vault=${encodeURIComponent(vaultFilter)}`;
+      let url = "/api/recent?mode=opened";
+      if (v !== "all") url += `&vault=${encodeURIComponent(v)}`;
 
       try {
         const data = await api(url);
@@ -2954,7 +2955,7 @@
       title.title = file.title || file.path;
       card.appendChild(title);
 
-      // Path
+      // Path (compact)
       const pathParts = file.path.split("/");
       if (pathParts.length > 1) {
         const path = document.createElement("div");
@@ -2964,14 +2965,6 @@
         card.appendChild(path);
       }
 
-      // Preview
-      if (file.preview) {
-        const preview = document.createElement("p");
-        preview.className = "dashboard-card-preview";
-        preview.textContent = file.preview;
-        card.appendChild(preview);
-      }
-
       // Footer with time and tags
       const footer = document.createElement("div");
       footer.className = "dashboard-card-footer";
@@ -3057,12 +3050,12 @@
       const select = document.getElementById("dashboard-vault-filter");
       if (select) {
         select.addEventListener("change", () => {
-          this.load(select.value || null);
+          this.load(select.value);
         });
       }
 
       this.populateVaultFilter();
-      this.load(null);
+      this.load(selectedContextVault);
     },
   };
 
@@ -4663,8 +4656,11 @@
     // Show the dashboard widget instead of simple welcome message
     if (typeof DashboardRecentWidget !== "undefined") {
       // Re-init the widget to refresh data and populate vault filter
-      DashboardRecentWidget.populateVaultFilter();
-      DashboardRecentWidget.load(DashboardRecentWidget._currentFilter || null);
+      const dashboardVaultFilter = document.getElementById("dashboard-vault-filter");
+      if (dashboardVaultFilter) {
+        dashboardVaultFilter.value = selectedContextVault === "all" ? "" : selectedContextVault;
+      }
+      DashboardRecentWidget.load(selectedContextVault);
     }
   }
 

frontend/style.css

@@ -999,6 +999,7 @@ select {
 .content-area {
   flex: 1;
   overflow-y: auto;
+  overflow-x: hidden;
   padding: clamp(16px, 3vw, 40px) clamp(16px, 4vw, 40px) 60px;
   transition:
     background 200ms ease,
@@ -4648,9 +4649,8 @@ body.popup-mode .content-area {
    --------------------------------------------------------------------------- */
 
 .dashboard-home {
-  padding: 24px;
-  height: 100%;
-  overflow-y: auto;
+  padding: 0;
+  width: 100%;
   display: flex;
   flex-direction: column;
 }
@@ -4713,9 +4713,10 @@ body.popup-mode .content-area {
 /* Grid */
 .dashboard-recent-grid {
   display: grid;
-  grid-template-columns: repeat(3, 1fr);
+  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
   gap: 16px;
   flex: 1;
+  width: 100%;
 }
 
 @media (max-width: 1200px) {
@@ -4743,13 +4744,13 @@ body.popup-mode .content-area {
   background: var(--bg-secondary);
   border: 1px solid var(--border);
   border-radius: 12px;
-  padding: 16px;
+  padding: 12px;
   cursor: pointer;
-  transition: all 0.2s ease;
+  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
   position: relative;
   display: flex;
   flex-direction: column;
-  gap: 8px;
+  gap: 4px;
   animation: fadeSlideIn 0.3s ease forwards;
   opacity: 0;
 }
@@ -4813,11 +4814,11 @@ body.popup-mode .content-area {
 }
 
 .dashboard-card-icon {
-  width: 36px;
-  height: 36px;
-  padding: 8px;
+  width: 28px;
+  height: 28px;
+  padding: 6px;
   background: var(--accent);
-  border-radius: 8px;
+  border-radius: 6px;
   color: white;
   flex-shrink: 0;
 }
@@ -4848,6 +4849,7 @@ body.popup-mode .content-area {
   text-overflow: ellipsis;
   display: -webkit-box;
   -webkit-line-clamp: 2;
+  line-clamp: 2;
   -webkit-box-orient: vertical;
 }
 
@@ -4863,15 +4865,7 @@ body.popup-mode .content-area {
 
 /* Card preview */
 .dashboard-card-preview {
-  font-size: 12px;
-  color: var(--text-muted);
-  line-height: 1.5;
-  display: -webkit-box;
-  -webkit-line-clamp: 2;
-  line-clamp: 2;
-  -webkit-box-orient: vertical;
-  overflow: hidden;
-  margin: 0;
+  display: none;
 }
 
 /* Card footer */
@@ -4880,9 +4874,9 @@ body.popup-mode .content-area {
   align-items: center;
   justify-content: space-between;
   gap: 8px;
-  margin-top: auto;
-  padding-top: 8px;
-  border-top: 1px solid var(--border);
+  margin-top: 4px;
+  padding-top: 6px;
+  border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
 }
 
 .dashboard-card-time {