Polish pass 13 — final sentence case sweep

- NoteActions: Share, Follow/Unfollow
- SearchView: Search button, Notes/Articles/People result tabs
- RelaysView: Check all, Add (suggested relays)
- SettingsView: Add (mute keywords), Export data/Exporting…/Exported ✓
- InlineReplyBox: Reply/Replied ✓/Posting…

src/components/feed/InlineReplyBox.tsx

@@ -233,7 +233,7 @@ export function InlineReplyBox({ event, name, rootEvent }: InlineReplyBoxProps)
           disabled={(!replyText.trim() && attachments.length === 0) || replying || uploading}
           className="px-2 py-0.5 text-[10px] bg-accent hover:bg-accent-hover text-accent-text transition-colors disabled:opacity-30 disabled:cursor-not-allowed"
         >
-          {replySent ? "replied ✓" : replying ? "posting…" : "reply"}
+          {replySent ? "Replied ✓" : replying ? "Posting…" : "Reply"}
         </button>
       </div>
     </div>

src/components/feed/NoteActions.tsx

@@ -264,7 +264,7 @@ export function LoggedOutStats({ event }: { event: NDKEvent }) {
           copied ? "text-accent" : "text-text-dim hover:text-text"
         }`}
       >
-        {copied ? "copied ✓" : "share"}
+        {copied ? "copied ✓" : "Share"}
       </button>
     </div>
   );

src/components/search/SearchView.tsx

@@ -77,7 +77,7 @@ function UserRow({ user }: { user: ParsedUser }) {
               : "border-accent/60 text-accent hover:bg-accent hover:text-accent-text"
           }`}
         >
-          {pending ? "…" : isFollowing ? "unfollow" : "follow"}
+          {pending ? "…" : isFollowing ? "Unfollow" : "Follow"}
         </button>
       )}
     </div>
@@ -288,7 +288,7 @@ export function SearchView() {
             disabled={!query.trim() || loading}
             className="text-[11px] px-3 py-1 border border-border text-text-muted hover:text-accent hover:border-accent/40 transition-colors disabled:opacity-30 disabled:cursor-not-allowed shrink-0"
           >
-            {loading ? "…" : "search"}
+            {loading ? "…" : "Search"}
           </button>
         </div>
       </header>
@@ -308,7 +308,7 @@ export function SearchView() {
                     : "border-transparent text-text-dim hover:text-text"
                 }`}
               >
-                {tab} {count > 0 ? `(${count})` : ""}
+                {tab.charAt(0).toUpperCase() + tab.slice(1)} {count > 0 ? `(${count})` : ""}
               </button>
             );
           })}

src/components/shared/RelaysView.tsx

@@ -257,7 +257,7 @@ export function RelaysView() {
                   <span className="w-3 h-3 border border-accent border-t-transparent rounded-full animate-spin" />
                   checking…
                 </span>
-              ) : "check all"}
+              ) : "Check all"}
             </button>
           </div>
         </div>
@@ -405,8 +405,8 @@ function SuggestedRelays() {
               onClick={() => handleAdd(s.url)}
               className="text-accent hover:text-accent-hover text-[10px] opacity-0 group-hover:opacity-100 transition-opacity shrink-0"
             >
-              add
-            </button>
+              Add
+</button>
           </div>
         ))}
       </div>

src/components/shared/SettingsView.tsx

@@ -128,8 +128,8 @@ function MutedKeywordsSection() {
           onClick={handleAdd}
           className="px-3 py-1.5 text-[11px] border border-border text-text-muted hover:text-accent hover:border-accent/40 transition-colors shrink-0"
         >
-          add
-        </button>
+          Add
+</button>
       </div>
       {error && <p className="text-danger text-[11px] mt-1">{error}</p>}
     </section>
@@ -233,7 +233,7 @@ function ExportSection() {
           disabled={status === "saving"}
           className="px-3 py-1.5 text-[11px] border border-border text-text-muted hover:text-accent hover:border-accent/40 transition-colors disabled:opacity-40 disabled:cursor-not-allowed"
         >
-          {status === "saving" ? "exporting…" : status === "done" ? "exported ✓" : "export data"}
+          {status === "saving" ? "Exporting…" : status === "done" ? "Exported ✓" : "Export data"}
         </button>
         <span className="text-text-dim text-[10px]">
           {bookmarkedIds.length} notes · {bookmarkedArticleAddrs.length} articles · {follows.length} follows · {getStoredRelayUrls().length} relays