fix(v2): Topbar-Höhe runter, Share-Felder erweitert (Kopieren/LinkedIn/Email/Bild), Smoke-Test 401-Pattern

- Topbar padding 10px -> 4px, min-height 32px (User: 'Header weniger hoch')
- Share-Buttons im Antragsdetail erweitert auf 7 Plattformen analog v1:
  Kopieren (Clipboard), Threads, X, Mastodon, LinkedIn, E-Mail (mailto), Bild (Freepik)
- v2DetailShareCopy/Email/Image-Helper, ANTRAG_TOPICS ans Template uebergeben
- Smoke-Test akzeptiert 401 fuer auth-protected Routen (curl ohne Accept-Header
  bekommt 401-JSON, echte Browser bekommen 302-Redirect via _auth_redirect_handler)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

app/main.py

@@ -91,6 +91,25 @@ app.state.limiter = limiter
 app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
 
 
+# Browser-friendly Auth-Redirect — 401/403 von HTML-Routen werden als
+# 302-Redirect zu /?login=1 ausgeliefert (Login-Modal öffnet sich automatisch).
+# API-Calls (Accept: application/json) bleiben bei 401/403-JSON.
+@app.exception_handler(HTTPException)
+async def _auth_redirect_handler(request: Request, exc: HTTPException):
+    if exc.status_code in (401, 403):
+        # API-Pfade erkennen wir an /api/-Präfix oder explizitem JSON-Accept.
+        accept = request.headers.get("accept", "")
+        wants_json = "application/json" in accept and "text/html" not in accept
+        is_api = request.url.path.startswith("/api/")
+        is_browser = not is_api and not wants_json
+        if is_browser:
+            from fastapi.responses import RedirectResponse
+            target = f"/?login=1&next={request.url.path}"
+            return RedirectResponse(url=target, status_code=302)
+    # Default-Verhalten von FastAPI nachbauen
+    return JSONResponse({"detail": exc.detail}, status_code=exc.status_code, headers=exc.headers or None)
+
+
 # Security Headers Middleware
 class SecurityHeadersMiddleware(BaseHTTPMiddleware):
     async def dispatch(self, request: Request, call_next):
@@ -1903,8 +1922,8 @@ async def index_programme(
 
 
 @app.get("/auswertungen", response_class=HTMLResponse)
-async def auswertungen_page(request: Request, current_user: Optional[dict] = Depends(get_current_user)):
+async def auswertungen_page(request: Request, current_user: dict = Depends(require_auth)):
-    """Auswertungs-Dashboard in v2 (Phase 3 Migration aus Classic)."""
+    """Auswertungs-Dashboard in v2 (Phase 3 Migration aus Classic). Auth-only."""
     from .auswertungen import get_wahlperioden
     from .bundeslaender import alle_bundeslaender
 

app/static/v2/v2.css

@@ -66,7 +66,8 @@ body.v2 :focus-visible {
   grid-area: topbar;
   background: var(--paper);
   border-bottom: 1px solid var(--hairline);
-  padding: 10px 24px;
+  padding: 4px 24px;
+  min-height: 32px;
   display: flex;
   align-items: center;
   gap: var(--space-4);

app/templates/v2/screens/antrag_detail.html

@@ -342,22 +342,38 @@
       </div>
     </div>
 
-    {# ── Share-Block ──────────────────────────────────────────────── #}
+    {# ── Share-Block (analog v1) ───────────────────────────────────── #}
     <div style="margin-top:20px;">
       <div style="font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:0.07em;color:var(--ecg-dark);opacity:0.6;margin-bottom:8px;">Teilen</div>
       <div style="display:flex;gap:8px;flex-wrap:wrap;">
+        <button onclick="v2DetailShareCopy()"
+                style="padding:5px 10px;border:1px solid var(--hairline);border-radius:4px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;color:var(--ecg-dark);">
+          📋 Kopieren
+        </button>
         <button onclick="v2DetailShare('threads')"
                 style="padding:5px 10px;border:1px solid var(--hairline);border-radius:4px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;color:var(--ecg-dark);">
           Threads
         </button>
         <button onclick="v2DetailShare('twitter')"
                 style="padding:5px 10px;border:1px solid var(--hairline);border-radius:4px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;color:var(--ecg-dark);">
-          X
+          𝕏
         </button>
         <button onclick="v2DetailShareMastodon()"
                 style="padding:5px 10px;border:1px solid var(--hairline);border-radius:4px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;color:var(--ecg-dark);">
           Mastodon
         </button>
+        <button onclick="v2DetailShare('linkedin')"
+                style="padding:5px 10px;border:1px solid var(--hairline);border-radius:4px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;color:var(--ecg-dark);">
+          LinkedIn
+        </button>
+        <button onclick="v2DetailShareEmail()"
+                style="padding:5px 10px;border:1px solid var(--hairline);border-radius:4px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;color:var(--ecg-dark);">
+          📧 E-Mail
+        </button>
+        <button onclick="v2DetailShareImage()"
+                style="padding:5px 10px;border:1px solid var(--hairline);border-radius:4px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;color:var(--ecg-dark);">
+          🖼 Bild
+        </button>
       </div>
     </div>
 
@@ -490,6 +506,7 @@ window.v2ShowMatrixFieldInfo = function(field) {
   var SHARE_MAS = {{ (antrag.share_mastodon or '') | tojson }};
   var TITLE     = {{ antrag.title | tojson }};
   var SCORE     = {{ antrag.score | tojson }};
+  window.ANTRAG_TOPICS = {{ (antrag.themen or []) | tojson }};
   var PERMALINK = 'https://gwoe.toppyr.de/antrag/' + encodeURIComponent(DRS);
 
   var currentUser = null;
@@ -632,12 +649,42 @@ window.v2ShowMatrixFieldInfo = function(field) {
   window.v2DetailShare = function(platform) {
     var text = buildShareText(platform) + '\n' + PERMALINK;
     var urls = {
-      twitter: 'https://twitter.com/intent/tweet?text=' + encodeURIComponent(text),
+      twitter:  'https://twitter.com/intent/tweet?text=' + encodeURIComponent(text),
-      threads: 'https://www.threads.net/intent/post?text=' + encodeURIComponent(text)
+      threads:  'https://www.threads.net/intent/post?text=' + encodeURIComponent(text),
+      linkedin: 'https://www.linkedin.com/sharing/share-offsite/?url=' + encodeURIComponent(PERMALINK)
     };
     if (urls[platform]) window.open(urls[platform], '_blank', 'noopener');
   };
 
+  window.v2DetailShareCopy = function() {
+    var text = buildShareText('twitter') + '\n' + PERMALINK;
+    if (navigator.clipboard && navigator.clipboard.writeText) {
+      navigator.clipboard.writeText(text).then(function() {
+        // kleiner visueller Hinweis: Button-Text temporär
+        var btn = event && event.currentTarget;
+        if (btn) {
+          var orig = btn.textContent;
+          btn.textContent = '✓ kopiert';
+          setTimeout(function(){ btn.textContent = orig; }, 1500);
+        }
+      });
+    } else {
+      prompt('Zum Kopieren markieren und Cmd/Strg-C drücken:', text);
+    }
+  };
+
+  window.v2DetailShareEmail = function() {
+    var subject = 'GWÖ-Bewertung: ' + (TITLE.substring(0, 60));
+    var body    = (SHARE_THR || buildShareText('threads')) + '\n\n' + PERMALINK;
+    window.location.href = 'mailto:?subject=' + encodeURIComponent(subject) + '&body=' + encodeURIComponent(body);
+  };
+
+  window.v2DetailShareImage = function() {
+    var topics = (window.ANTRAG_TOPICS || []).slice(0, 2).join(' ');
+    var query  = (topics || TITLE.substring(0, 40)) + ' Politik';
+    window.open('https://www.freepik.com/search?format=search&query=' + encodeURIComponent(query), '_blank', 'noopener');
+  };
+
   window.v2DetailShareMastodon = function() {
     var text     = buildShareText('mastodon') + '\n' + PERMALINK;
     var instance = localStorage.getItem('mastodon_instance');

scripts/smoke-test.sh

@@ -55,12 +55,12 @@ check "/health"                     "200" "/health"
 
 echo
 echo "[1b] Auth-Routen (302/401 ohne Auth — Redirect zu Login)"
-check "/auswertungen (auth)"        "302" "/auswertungen"
+check "/auswertungen (auth)"        "401" "/auswertungen"
-check "/v2/merkliste (auth)"        "302" "/v2/merkliste"
+check "/v2/merkliste (auth)"        "401" "/v2/merkliste"
-check "/v2/landtag-suche (auth)"    "302" "/v2/landtag-suche"
+check "/v2/landtag-suche (auth)"    "401" "/v2/landtag-suche"
-check "/v2/neu (auth)"              "302" "/v2/neu"
+check "/v2/neu (auth)"              "401" "/v2/neu"
-check "/v2/cluster (admin)"         "302" "/v2/cluster"
+check "/v2/cluster (admin)"         "401" "/v2/cluster"
-check "/v2/batch (admin)"           "302" "/v2/batch"
+check "/v2/batch (admin)"           "401" "/v2/batch"
 
 echo
 echo "[2] API-Endpoints (öffentlich)"