first version

tracker/admin.py

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+from django.contrib import admin
+
+from tracker.models import DoseLog, Medication, PulseReading, ScheduledDose
+
+
+class ScheduledDoseInline(admin.TabularInline):
+    """Edit a medication's daily doses right on the medication page."""
+
+    model = ScheduledDose
+    extra = 1
+
+
+@admin.register(Medication)
+class MedicationAdmin(admin.ModelAdmin):
+    list_display = ["name", "is_active", "schedule_summary"]
+    list_filter = ["is_active"]
+    search_fields = ["name"]
+    inlines = [ScheduledDoseInline]
+
+    @admin.display(description="Schedule")
+    def schedule_summary(self, obj: Medication) -> str:
+        doses = obj.scheduled_doses.filter(is_active=True)
+        if not doses:
+            return "—"
+        return ", ".join(
+            f"{d.amount} {d.get_time_of_day_display().lower()}" for d in doses
+        )
+
+
+@admin.register(ScheduledDose)
+class ScheduledDoseAdmin(admin.ModelAdmin):
+    list_display = ["medication", "time_of_day", "amount", "is_active"]
+    list_filter = ["is_active", "time_of_day", "medication"]
+
+
+@admin.register(DoseLog)
+class DoseLogAdmin(admin.ModelAdmin):
+    """The history. Day-to-day ticking off happens on the Today page."""
+
+    list_display = ["date", "scheduled_dose", "taken", "taken_at"]
+    list_filter = ["taken", "date", "scheduled_dose__medication"]
+    date_hierarchy = "date"
+
+
+@admin.register(PulseReading)
+class PulseReadingAdmin(admin.ModelAdmin):
+    list_display = ["date", "bpm", "notes"]
+    date_hierarchy = "date"