Fix ai-service Dockerfile: bake in drug_entities.json, override its path

apps/web/app/page.tsx

@@ -73,16 +73,30 @@ export default function ChatPage() {
     setShowMobileSidebar(false);
   };
 
-  const handleCitationClick = (citation: Citation, index: number) => {
+  const handleCitationClick = (citation: Citation, index: number, allCitations: Citation[]) => {
+    // Found live 2026-08-07: this used to only set the index into whatever
+    // `citations` array was last loaded (i.e. the MOST RECENT answer's), so
+    // clicking [1] on an older message showed a LATER message's unrelated
+    // drug in the evidence panel (reported live: clicking Omeprazol's own
+    // citation showed Kanamycin). The clicked message's own citation list
+    // must replace the panel's state, not just the index into a stale one.
+    setCitations(allCitations);
     setActiveCitationIndex(index);
     setShowMobileEvidence(true);
   };
 
   const handleCitationsLoaded = (newCitations: Citation[]) => {
     setCitations(newCitations);
-    if (newCitations.length > 0) {
-      setActiveCitationIndex(1);
-    }
+    // Deliberately NOT auto-activating citation 1 here (removed
+    // 2026-08-07): this used to fire the beam connector line + card
+    // highlight on every single answer, unprompted, and — since
+    // `CitationBeamOverlay` only recomputes its coordinates on window
+    // resize/scroll, not on the content reflow a just-arrived answer
+    // itself causes — the line frequently ended up pointing at stale
+    // positions, i.e. exactly the "dây trích dẫn dính lung tung" (messy
+    // citation wire) reported live. The beam/highlight now only appears
+    // when the user actually clicks a citation, at which point the
+    // coordinates are computed fresh.
   };
 
   return (