I hate this fucking language.

server/stats.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from datetime import datetime, timedelta
+from datetime import date, datetime, timedelta
 from typing import Any
 from zoneinfo import ZoneInfo
 
@@ -9,6 +9,15 @@ import aiosqlite
 from server.config_loader import load_meds_config, today_str
 from server.db import new_id, utc_now_iso
 
+
+async def get_first_intake_day(db: aiosqlite.Connection, tz: ZoneInfo) -> str:
+    cur = await db.execute("SELECT MIN(day) FROM intake_log WHERE status = 'taken'")
+    row = await cur.fetchone()
+    await cur.close()
+    if row and row[0]:
+        return str(row[0])
+    return today_str(tz)
+
 MILESTONE_DEFS: dict[str, str] = {
     "log_50": "Pharma-Intern: 50 Logs. Dein Arzt wäre stolz. Vielleicht.",
     "log_100": "Century Club: 100 Logs. Du bist offiziell zuverlässiger als dein WLAN.",
@@ -100,12 +109,18 @@ async def compute_stats(db: aiosqlite.Connection) -> dict[str, Any]:
     slot_ids = [s.id for s in config.slots]
     streak = await compute_streak(db, tz)
 
-    days = 90
+    first_day = await get_first_intake_day(db, tz)
+    first_date = date.fromisoformat(first_day)
+    today = datetime.now(tz).date()
+    days_active = max(1, (today - first_date).days + 1)
+    compliance_window_days = min(90, days_active)
+
     taken = 0
     total = 0
-    today = datetime.now(tz).date()
-    for i in range(days):
+    for i in range(compliance_window_days):
         d = (today - timedelta(days=i)).isoformat()
+        if d < first_day:
+            break
         for sid in slot_ids:
             total += 1
             cur = await db.execute(
@@ -122,6 +137,9 @@ async def compute_stats(db: aiosqlite.Connection) -> dict[str, Any]:
     return {
         "streak": streak,
         "compliance_percent": compliance,
+        "compliance_window_days": compliance_window_days,
+        "days_active": days_active,
+        "first_day": first_day,
         "total_taken": await count_logs(db),
         "milestones": milestones,
     }