Add Stripe donation flow

tests/donation_screen_test.gd

@@ -0,0 +1,21 @@
+extends SceneTree
+
+const DonationAmount := preload("res://scripts/ui/donation_amount.gd")
+
+var failures := 0
+
+
+func _initialize() -> void:
+	_assert(DonationAmount.parse_cents("5") == 500, "whole dollars should parse")
+	_assert(DonationAmount.parse_cents("$25.50") == 2550, "dollars and cents should parse")
+	_assert(DonationAmount.parse_cents("4.999") == -1, "more than two decimal places should fail")
+	_assert(DonationAmount.parse_cents("10000.01") == -1, "amounts above the cap should fail")
+	_assert(DonationAmount.parse_cents("abc") == -1, "non-numeric values should fail")
+	quit(1 if failures > 0 else 0)
+
+
+func _assert(condition: bool, message: String) -> void:
+	if condition:
+		return
+	failures += 1
+	push_error(message)

tests/donation_screen_test.gd.uid

@@ -0,0 +1 @@
+uid://d0ik8fhaa2u8w

tests/donation_ui_test.gd

@@ -0,0 +1,47 @@
+extends SceneTree
+
+var failures := 0
+
+
+func _initialize() -> void:
+	call_deferred("_run")
+
+
+func _run() -> void:
+	var theme_service = root.get_node("UIThemeService")
+	var prior_dark_mode: bool = theme_service.is_dark_mode()
+	var host := Control.new()
+	host.size = Vector2(1280, 800)
+	root.add_child(host)
+	var screen = load("res://scripts/ui/donation_screen.gd").new()
+	screen.size = host.size
+	host.add_child(screen)
+	await process_frame
+	_assert(screen.content_grid.columns == 2, "wide donation layouts should use two columns")
+	_assert(screen.selected_amount_cents == 2500, "the default preset should be $25")
+	_assert(screen.donate_button.text.contains("$25.00"), "the donation action should state the selected amount")
+	screen.size = Vector2(760, 800)
+	screen._update_layout()
+	_assert(screen.content_grid.columns == 1, "narrow donation layouts should stack")
+	screen.size = Vector2(360, 800)
+	screen._update_layout()
+	_assert(screen.preset_grid.columns == 2, "phone donation layouts should use a two-column amount grid")
+	screen.custom_amount.text = "4"
+	screen._on_custom_amount_changed("4")
+	await process_frame
+	_assert(screen.donate_button.disabled, "amounts below $5 should disable checkout")
+	theme_service.set_dark_mode(false)
+	await process_frame
+	var light_box := screen.mission_panel.get_theme_stylebox("panel") as StyleBoxFlat
+	_assert(light_box.bg_color.is_equal_approx(Color.WHITE), "donation cards should use light surfaces in light mode")
+	host.queue_free()
+	await process_frame
+	theme_service.set_dark_mode(prior_dark_mode)
+	quit(1 if failures > 0 else 0)
+
+
+func _assert(condition: bool, message: String) -> void:
+	if condition:
+		return
+	failures += 1
+	push_error(message)

tests/donation_ui_test.gd.uid

@@ -0,0 +1 @@
+uid://cfg0oxxrtumdj

tests/shell_navigation_test.gd

@@ -19,6 +19,7 @@ func _initialize() -> void:
 	_assert(NavigationRoutes.key_for_screen("settings") == "settings", "settings should activate Settings")
 	_assert(NavigationRoutes.key_for_screen("notes") == "notes", "notes should activate Notes")
 	_assert(NavigationRoutes.key_for_screen("bookmarks") == "bookmarks", "bookmarks should activate Bookmarks")
+	_assert(NavigationRoutes.key_for_screen("donations") == "donations", "donations should activate Support MedMind")
 	quit(1 if failures > 0 else 0)
 
 

tests/web_responsive_test.gd

@@ -74,6 +74,8 @@ func _run() -> void:
 	_assert(main_screen.sidebar.find_child("NavPractice", true, false) == null, "the sidebar should not retain a Practice navigation item")
 	var profile_nav := main_screen.sidebar.find_child("NavPerformance", true, false) as Button
 	var settings_nav := main_screen.sidebar.find_child("NavSettings", true, false) as Button
+	var donation_nav := main_screen.sidebar.find_child("NavDonations", true, false) as Button
+	_assert(donation_nav != null and donation_nav.text == "Support MedMind", "the shell should expose donation navigation")
 	_assert(profile_nav != null and settings_nav != null and profile_nav.get_index() + 1 == settings_nav.get_index(), "Profile should sit directly above Settings in the lower navigation group")
 	var theme_service = root.get_node("UIThemeService")
 	var prior_dark_mode: bool = theme_service.is_dark_mode()