chore: mdm_pass check reports sections that say nothing

A section that promises an answer and then says 'No presentation details
are available' is worse than a missing one. Reported rather than
refused: a one-line prognosis is often the whole honest answer, so the
length alone cannot decide it.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TqXevQJhxFrM7jJg82cgZN

backend/scripts/mdm_pass.py

@@ -257,12 +257,24 @@ def cmd_check(args) -> int:
         print(f"  in medical-decision-making shape: {len(good)}")
         print(f"  still free-form                 : {len(with_clinical) - len(good)}")
         if len(good) < len(with_clinical):
-            from collections import Counter
             titles = Counter(s.get("title") for a in with_clinical if not conforms(a)
                              for s in clinical_of(a))
             print("\n  commonest titles still in use:")
             for title, count in titles.most_common(8):
                 print(f"    {count:4d}  {title}")
+
+        # A section that says nothing is worse than a missing one: the shape
+        # promises an answer and then does not give it. Reported so an editor
+        # can find them, not refused — a one-line prognosis is often the whole
+        # honest answer.
+        placeholder = re.compile(r"^(no |none|not available|not specified|unavailable)", re.I)
+        thin = [(a.title, s["title"], (s.get("content") or "").strip())
+                for a in good for s in clinical_of(a)
+                if placeholder.match((s.get("content") or "").strip())]
+        if thin:
+            print(f"\n  sections with nothing in them ({len(thin)}) — for an editor:")
+            for title, section, body in thin[:12]:
+                print(f"    {title} / {section}: {body[:60]}")
     finally:
         db.close()
     return 0