feat: add stock calculation mode to user settings with automatic and manual options

backend/src/db/migrations/0014_add_stock_calculation_mode.sql

@@ -0,0 +1,4 @@
+-- Add stock calculation mode setting
+-- "automatic" = stock decreases based on schedule from start date
+-- "manual" = stock only decreases when doses are marked as taken
+ALTER TABLE user_settings ADD COLUMN stock_calculation_mode TEXT NOT NULL DEFAULT 'automatic';

backend/src/db/migrations/meta/_journal.json

@@ -13,6 +13,7 @@
     { "idx": 10, "version": 1, "when": 1735600000, "tag": "0010_add_user_settings", "breakpoint": false },
     { "idx": 11, "version": 1, "when": 1735700000, "tag": "0011_add_dose_tracking", "breakpoint": false },
     { "idx": 12, "version": 1, "when": 1735800000, "tag": "0012_add_user_avatar", "breakpoint": false },
-    { "idx": 13, "version": 1, "when": 1735900000, "tag": "0013_add_oidc_subject", "breakpoint": false }
+    { "idx": 13, "version": 1, "when": 1735900000, "tag": "0013_add_oidc_subject", "breakpoint": false },
+    { "idx": 14, "version": 1, "when": 1735400000, "tag": "0014_add_stock_calculation_mode", "breakpoint": false }
   ]
 }

backend/src/db/schema.ts

@@ -69,6 +69,8 @@ export const userSettings = sqliteTable("user_settings", {
   highStockDays: integer("high_stock_days").notNull().default(180),
   // UI preferences
   language: text("language", { length: 10 }).notNull().default("en"),
+  // Stock calculation mode: "automatic" (schedule-based) or "manual" (only marked doses)
+  stockCalculationMode: text("stock_calculation_mode", { length: 20 }).notNull().default("automatic"),
   // Last notification tracking
   lastAutoEmailSent: text("last_auto_email_sent"),
   lastNotificationType: text("last_notification_type"),