feat(calendar): v5.8.0 calendrier & rappels + v5.7.0 database avancee (pt.2)

v5.8.0 (release 5.11.7) — Calendrier & Rappels :
- moteur de recurrence RRULE subset (daily/weekly/monthly, interval,
  count, until, byweekday, timezone) — app/services/recurrence.py
- vues calendar Jour / Semaine / Mois avec expansion des occurrences
  cote serveur (GET /db/{id}/calendar/api) et popover evenement
  (Time / Timezone / Repeat / Remind)
- rappels avant echeance (scan 60 s, table reminder_log, in-app +
  email, cible = personnes assignees) — app/services/reminders.py
- fuseaux horaires : users.timezone + reglages in-app, timezone par
  evenement, liste de zones (GET /db/timezones/api)
- notifications d'assignation sur PUT /db/pages/{id}/api et
  preferences etendues (reminders, assignments)
- template Meeting notes enrichi (Agenda, Notes — migration 12)
- migrations 11-12 ; 20 tests dedies ; suite complete 523 verte

v5.7.0 (release 5.11.6, termine avant cette session, reste dans
l'arbre sans commit) — Database Avancée Pt.2 :
- proprietes person + auto-proprietes (created/last-edited time & by)
- groupes de proprietes, vues sauvegardees par utilisateur
- swimlanes, WIP limits, cartes configurables, calendar drag & drop,
  gallery couvertures ; 12 tests dedies

app/migrations.py

@@ -419,3 +419,93 @@ def _migration_import_framework(conn: sqlite3.Connection) -> None:
     conn.execute(
         "CREATE INDEX IF NOT EXISTS idx_import_jobs_created ON import_jobs(created_at)"
     )
+
+
+@register(10, "v5.7.0: property groups, per-user views, row covers")
+def _migration_v57_db_advanced(conn: sqlite3.Connection) -> None:
+    """v5.7.0 — Database Avancée (Pt. 2).
+
+    ``collection_properties.group_name`` — groups properties into collapsible
+    sections in the table header (Notion property groups).
+    ``collection_views.created_by``      — owner of a saved view; ``NULL`` means
+    a shared/legacy view visible to everyone, otherwise it is personal to a user.
+    ``collection_pages.cover_url``       — per-row cover image (gallery/board
+    cards), independent from the block-page ``pages.cover_url``.
+    """
+    _pcols = {r[1] for r in conn.execute("PRAGMA table_info(collection_properties)").fetchall()}
+    if "group_name" not in _pcols:
+        conn.execute(
+            "ALTER TABLE collection_properties ADD COLUMN group_name TEXT NOT NULL DEFAULT ''"
+        )
+
+    _vcols = {r[1] for r in conn.execute("PRAGMA table_info(collection_views)").fetchall()}
+    if "created_by" not in _vcols:
+        conn.execute("ALTER TABLE collection_views ADD COLUMN created_by INTEGER")
+    if "updated_at" not in _vcols:
+        conn.execute("ALTER TABLE collection_views ADD COLUMN updated_at TIMESTAMP")
+
+    _cpcols = {r[1] for r in conn.execute("PRAGMA table_info(collection_pages)").fetchall()}
+    if "cover_url" not in _cpcols:
+        conn.execute("ALTER TABLE collection_pages ADD COLUMN cover_url TEXT DEFAULT ''")
+
+
+@register(11, "v5.8.0: reminder log + user timezones")
+def _migration_v58_calendar_reminders(conn: sqlite3.Connection) -> None:
+    """v5.8.0 — Calendrier & Rappels.
+
+    ``reminder_log``    — dedup ledger: one row per (page, occurrence date) so
+    a reminder fires exactly once even across restarts.
+    ``users.timezone``  — personal IANA timezone used for "today" in calendar
+    views and reminder firing (empty = UTC).
+    """
+    conn.execute(
+        """CREATE TABLE IF NOT EXISTS reminder_log (
+               id INTEGER PRIMARY KEY AUTOINCREMENT,
+               page_id INTEGER NOT NULL REFERENCES collection_pages(id) ON DELETE CASCADE,
+               occurrence_date TEXT NOT NULL,
+               fired_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+               UNIQUE(page_id, occurrence_date)
+           )"""
+    )
+    conn.execute(
+        "CREATE INDEX IF NOT EXISTS idx_remlog_page ON reminder_log(page_id)"
+    )
+
+    _ucols = {r[1] for r in conn.execute("PRAGMA table_info(users)").fetchall()}
+    if "timezone" not in _ucols:
+        conn.execute("ALTER TABLE users ADD COLUMN timezone TEXT NOT NULL DEFAULT ''")
+
+
+@register(12, "v5.8.0: enrich Meeting notes template")
+def _migration_v58_meeting_template(conn: sqlite3.Connection) -> None:
+    """v5.8.0 — the seeded 'Meeting notes' database template gains Agenda and
+    Notes text properties. Only refreshed when the row still matches the old
+    built-in schema (user edits are never clobbered)."""
+    import json as _json
+    row = conn.execute(
+        "SELECT schema_json FROM database_templates WHERE name='Meeting notes'"
+    ).fetchone()
+    if not row:
+        return
+    try:
+        schema = _json.loads(row[0] or "[]")
+    except (ValueError, TypeError):
+        return
+    names = [p.get("name") for p in schema]
+    if "Agenda" in names or "Notes" in names:
+        return
+    if names != ["Title", "Date", "Attendees", "Status", "Action items"]:
+        return  # customised — leave alone
+    idx = names.index("Action items")
+    schema[idx:idx] = [
+        {"name": "Agenda", "type": "text"},
+        {"name": "Notes", "type": "text"},
+    ]
+    conn.execute(
+        "UPDATE database_templates SET schema_json=? WHERE name='Meeting notes'",
+        (_json.dumps(schema),),
+    )
+    conn.execute(
+        "UPDATE database_templates SET description=? WHERE name='Meeting notes'",
+        ("Notes de réunion avec participants, agenda, notes et actions.",),
+    )