fix link mapping

prepare_pages_and_registry.py

@@ -116,15 +116,12 @@ for i, path in enumerate(files, 1):
 
         title = html.unescape(title)
         norm = normalize_title(title)
+        page_name = extract_wg_page_name(page_html)
+        full_title = normalize_title(page_name) if page_name else norm
         base_title = norm
         is_redirect = bool(IS_REDIRECT_RE.search(page_html))
         is_category = ns == "Category" or norm.startswith("category:")
 
-        # redirect interne
-        redir = extract_internal_redirect(page_html)
-        if redir:
-            redirects[normalize_title(redir)] = norm
-
         # Categories
         if ns == "Category":
             m_title = re.search(r'"wgTitle"\s*:\s*"([^"]+)"', page_html)
@@ -133,7 +130,6 @@ for i, path in enumerate(files, 1):
                 wg_title = html.unescape(m_title.group(1))
                 cat_base = normalize_title(wg_title)
 
-                page_name = extract_wg_page_name(page_html)
                 page_norm = normalize_title(page_name) if page_name else None
 
                 if page_norm and page_norm != f"category:{cat_base}":
@@ -147,9 +143,15 @@ for i, path in enumerate(files, 1):
                 base_title = norm.replace("category:", "", 1)
                 is_category = True
 
+        # redirect interne
+        redir = extract_internal_redirect(page_html)
+        if redir:
+            redirects[full_title] = normalize_title(redir)
+
         all_variants[article_id].append({
             "path": path,
             "title": base_title,
+            "full_title": full_title,
             "article_id": article_id,
             "redirect": is_redirect,
             "is_category": is_category,
@@ -204,7 +206,7 @@ for article_id, variants in all_variants.items():
 
     # équivalences
     for v in variants:
-        equivalences[v["title"]] = chosen["title"]
+        equivalences[v["full_title"]] = chosen["title"]
 
 
 print(f"Nombre de cas avec toutes variantes sont des categories : {nb_all_cat}")
@@ -224,8 +226,31 @@ def resolve_redirect(key):
 for k, v in list(redirects.items()):
     equivalences[k] = resolve_redirect(v)
 
+for src, dst in list(redirects.items()):
+    final = equivalences.get(dst, dst)
+    equivalences[src] = final
+
+redirects.clear()
+    # --------------------------------------------------
+# PASS 4 — normalisation finale des equivalences
 # --------------------------------------------------
-# PASS 4 — copie des pages canoniques
+
+valid_titles = {
+    data["title"]
+    for data in canonical_pages.values()
+}
+
+for k, v in list(equivalences.items()):
+    if v not in valid_titles:
+        equivalences[k] = equivalences.get(v, v)
+
+# invariant registry
+for k, v in equivalences.items():
+    if v not in valid_titles:
+        problems.append(f"Non canonical mapping: {k} -> {v}")
+        
+# --------------------------------------------------
+# PASS 5 — copie des pages canoniques
 # --------------------------------------------------
 
 copied = 0