fix(ui): drop the redundant Today briefing link, align the sheet close control

The Today hero carried a read-the-full-briefing link to /insights while
the health-score ring above it already opened the same page — two doors
to one room in a single card. The ring stays; the link and its six
locale strings are gone.

The document sheet's close control sat at the plain p-4 right edge, but
an icon button carries its own inner inset, so the glyph landed ~28px
from the frame against a title starting at 16px. Trim the right padding
by that inset when a consumer renders its own trailing control, leaving
the tap target reaching the frame.

Also rewrites the v1.30.15-v1.30.31 changelog entries: they had drifted
into summary lines, internal vocabulary and reasoning asides that do not
belong in a release note.

src/components/daily/__tests__/today-hero.test.tsx

@@ -95,9 +95,10 @@ describe("<TodayHero>", () => {
     // link to the existing surface — S2 invents no new backend action.
     expect(html).toContain('href="/medications"');
     expect(html).toContain('href="/settings/integrations"');
-    // The read-the-full-briefing affordance routes to Insights.
-    expect(html).toContain('data-slot="today-hero-briefing-link"');
+    // The score ring is the one door to Insights — the separate
+    // read-the-full-briefing link was redundant with it and is gone.
     expect(html).toContain('href="/insights"');
+    expect(html).not.toContain('data-slot="today-hero-briefing-link"');
   });
 
   it("shows the honest sleep-pending note and provisional score", () => {
@@ -118,7 +119,7 @@ describe("<TodayHero>", () => {
     expect(html).toContain("Last night");
     // Null score → the ring's provisional face, never a zero.
     expect(html).toContain('data-provisional="true"');
-    // No briefing lead → no full-briefing link.
+    // The score ring stays the only route to Insights.
     expect(html).not.toContain('data-slot="today-hero-briefing-link"');
   });
 

src/components/daily/today-hero.tsx

@@ -145,17 +145,6 @@ export function TodayHero({ digest }: { digest: DailyDigest }) {
                 ) : null}
               </p>
             ) : null}
-            {/* Read-the-full-briefing affordance — only when a briefing
-                actually backs the lead. Routes to the Insights overview. */}
-            {digest.briefingLead ? (
-              <Link
-                href="/insights"
-                data-slot="today-hero-briefing-link"
-                className="text-primary hover:text-primary/80 inline-flex min-h-9 items-center text-sm font-medium transition-colors"
-              >
-                {t("daily.today.readFullBriefing")}
-              </Link>
-            ) : null}
           </div>
 
           {/* Health score ring — `flat` (no sweep/bloom), server-computed

src/components/ui/responsive-sheet.tsx

@@ -174,7 +174,19 @@ export function ResponsiveSheet({
                 // the `p-4` right edge instead of being pushed in by an empty
                 // reserved gutter.
                 showCloseButton && "pr-12",
-                headerAction && "flex-row items-start justify-between gap-3",
+                // Optical alignment for a consumer-rendered trailing control.
+                // An icon button carries its own inner inset (a 20px glyph
+                // centred in a 44px tap target sits 12px in), so at the plain
+                // `p-4` right edge the GLYPH lands ~28px from the frame while
+                // the title starts at 16px — visibly not flush. Trim the right
+                // padding by that inset so the glyph aligns with the title's
+                // edge; the tap target still reaches the frame.
+                headerAction &&
+                  !showCloseButton &&
+                  "flex-row items-start justify-between gap-3 pr-1 sm:pr-2",
+                headerAction &&
+                  showCloseButton &&
+                  "flex-row items-start justify-between gap-3",
               )}
             >
               {headerAction ? (