Streamline save button and add calendar view with search

- Remove redundant Save button, keep only Save & New
- Add calendar view to timeline showing days with entries
- Add search functionality with highlighted matches
- Add date filtering by clicking calendar days
- Show results count when filtering

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/components/EntryRow.tsx

@@ -8,9 +8,27 @@ import type { EntryWithTags } from "@/lib/types";
 
 interface EntryRowProps {
   entry: EntryWithTags;
+  searchQuery?: string;
 }
 
-export function EntryRow({ entry }: EntryRowProps) {
+function highlightText(text: string, query: string): React.ReactNode {
+  if (!query.trim()) return text;
+
+  const regex = new RegExp(`(${query.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")})`, "gi");
+  const parts = text.split(regex);
+
+  return parts.map((part, i) =>
+    regex.test(part) ? (
+      <mark key={i} className="bg-accent/30 text-foreground rounded px-0.5">
+        {part}
+      </mark>
+    ) : (
+      part
+    )
+  );
+}
+
+export function EntryRow({ entry, searchQuery = "" }: EntryRowProps) {
   // Truncate text to one line preview
   const preview = entry.text.length > 80 ? entry.text.slice(0, 80) + "..." : entry.text;
 
@@ -31,10 +49,12 @@ export function EntryRow({ entry }: EntryRowProps) {
               </span>
             ) : null}
           </div>
-          <p className="text-foreground truncate">{preview}</p>
+          <p className="text-foreground truncate">
+            {highlightText(preview, searchQuery)}
+          </p>
           {entry.tags.length > 0 && (
             <div className="mt-2">
-              <TagChips tags={entry.tags} />
+              <TagChips tags={entry.tags} highlightQuery={searchQuery} />
             </div>
           )}
         </div>