chore(integration): intégrer les PR Pronote critiques dans main

Revue Codex validée. Intégration dans main de la chaîne des PR #31, #32 et #33.

Co-authored-by: Codex <codex@antoineve.me>
Co-committed-by: Codex <codex@antoineve.me>

pronote_sync/sources/pronote/ical.py

@@ -35,6 +35,7 @@ from ...models.agenda import (
 from ...models.homework import Homework
 from ...utils.redaction import redact_exception, redact_url
 from ...utils.uid import generate_deterministic_uid, normalize_pronote_uid
+from .lessons import collapse_replaced_lessons
 
 _HEADER_LABEL_PATTERN = re.compile(
     r"(?P<label>Mati(?:ère|ere)|Professeur(?:s|\(s\))?|Salle(?:s|\(s\))?"
@@ -186,11 +187,12 @@ def parse_header(header: str) -> HeaderInfo:
         "group": None,
         "class_part": None,
     }
-    matches = list(_HEADER_LABEL_PATTERN.finditer(header))
+    header_text = _strip_html(header)
+    matches = list(_HEADER_LABEL_PATTERN.finditer(header_text))
     for index, match in enumerate(matches):
         value_start = match.end()
-        value_end = matches[index + 1].start() if index + 1 < len(matches) else len(header)
-        value = unescape(header[value_start:value_end].strip())
+        value_end = matches[index + 1].start() if index + 1 < len(matches) else len(header_text)
+        value = unescape(header_text[value_start:value_end].strip())
         label = _normalize_label(match.group("label")).replace("(s)", "s")
         if label == "matiere":
             info["subject"] = value
@@ -567,4 +569,4 @@ def parse_ical(raw_ical: str) -> tuple[list[Lesson], list[Homework], list[School
             )
         )
 
-    return lessons, homeworks, school_events
+    return collapse_replaced_lessons(lessons), homeworks, school_events