Add MTP feature

apps/desktop/coverage-allowlist.json

@@ -1,6 +1,7 @@
 {
     "$comment": "Files listed here are exempt from coverage thresholds. Each entry should include a reason. Remove entries as you add tests.",
     "files": {
+        "AlertDialog.svelte": { "reason": "Simple UI modal for informational messages" },
         "UpdateNotification.svelte": { "reason": "UI component, needs component testing" },
         "app-status-store.ts": { "reason": "Depends on Tauri APIs" },
         "benchmark.ts": { "reason": "Dev tooling, not critical path" },
@@ -26,6 +27,8 @@
         "icon-cache.ts": { "reason": "Depends on Tauri APIs" },
         "licensing-store.svelte.ts": { "reason": "Depends on Tauri store APIs" },
         "logger.ts": { "reason": "LogTape config, initialization code only" },
+        "mtp/PtpcameradDialog.svelte": { "reason": "UI modal for macOS MTP workaround" },
+        "mtp/mtp-store.svelte.ts": { "reason": "Depends on Tauri APIs, tests planned in Phase 6" },
         "licensing/AboutWindow.svelte": { "reason": "UI component" },
         "licensing/CommercialReminderModal.svelte": { "reason": "UI component" },
         "licensing/ExpirationModal.svelte": { "reason": "UI component" },
@@ -73,6 +76,7 @@
         "write-operations/DirectionIndicator.svelte": {
             "reason": "Simple UI component, logic tested in copy-dialog-utils.test.ts"
         },
-        "write-operations/CopyProgressDialog.svelte": { "reason": "UI dialog, depends on Tauri events" }
+        "write-operations/CopyProgressDialog.svelte": { "reason": "UI dialog, depends on Tauri events" },
+        "write-operations/CopyErrorDialog.svelte": { "reason": "UI modal, logic tested in copy-error-messages.test.ts" }
     }
 }

apps/desktop/knip.json

@@ -10,7 +10,8 @@
         "src/lib/settings/settings-store.ts",
         "src/lib/settings/settings-window.ts",
         "src/lib/settings/types.ts",
-        "src/lib/shortcuts/**"
+        "src/lib/shortcuts/**",
+        "src/lib/mtp/mtp-store.svelte.ts"
     ],
     "ignoreDependencies": [
         "@tauri-apps/cli",