Add independent ID key configuration and recovery

src/modules/features/SettingDialogue/PaneRemoteConfig.ts

@@ -47,6 +47,12 @@ function getSettingsFromEditingSettings(editingSettings: AllSettings): ObsidianL
     }
     return workObj;
 }
+
+function syncIdDerivationSettings(target: Partial<ObsidianLiveSyncSettings>, source: ObsidianLiveSyncSettings): void {
+    target.idDerivationVersion = source.idDerivationVersion;
+    target.idDerivationKey = source.idDerivationKey;
+}
+
 function createRemoteConfigurationId(): string {
     return `remote-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 8)}`;
 }
@@ -116,6 +122,8 @@ export function paneRemoteConfig(
                         .onClick(async () => {
                             const setupManager = this.core.getModule(SetupManager);
                             const originalSettings = getSettingsFromEditingSettings(this.editingSettings);
+                            const originalIdDerivationVersion = this.core.settings.idDerivationVersion;
+                            const originalIdDerivationKey = this.core.settings.idDerivationKey;
                             const applied = await setupManager.onlyE2EEConfiguration(UserMode.Update, originalSettings);
                             if (applied) {
                                 this.editingSettings.encryptInternalMetadata =
@@ -126,6 +134,16 @@ export function paneRemoteConfig(
                                 }
                                 this.requestUpdate();
                             }
+                            if (
+                                this.core.settings.idDerivationVersion !== originalIdDerivationVersion ||
+                                this.core.settings.idDerivationKey !== originalIdDerivationKey
+                            ) {
+                                syncIdDerivationSettings(this.editingSettings, this.core.settings);
+                                if (this.initialSettings) {
+                                    syncIdDerivationSettings(this.initialSettings, this.core.settings);
+                                }
+                                this.requestUpdate();
+                            }
                             updateE2EESummary();
                         })
                         .setButtonText("Configure")
@@ -164,9 +182,11 @@ export function paneRemoteConfig(
                 const currentConfigs = cloneRemoteConfigurations(this.core.settings.remoteConfigurations);
                 this.editingSettings.remoteConfigurations = currentConfigs;
                 this.editingSettings.activeConfigurationId = this.core.settings.activeConfigurationId;
+                syncIdDerivationSettings(this.editingSettings, this.core.settings);
                 if (this.initialSettings) {
                     this.initialSettings.remoteConfigurations = cloneRemoteConfigurations(currentConfigs);
                     this.initialSettings.activeConfigurationId = this.core.settings.activeConfigurationId;
+                    syncIdDerivationSettings(this.initialSettings, this.core.settings);
                 }
             };
             const persistRemoteConfigurations = async (synchroniseActiveRemote: boolean = false) => {
@@ -254,6 +274,8 @@ export function paneRemoteConfig(
                 usePathObfuscation: this.editingSettings.usePathObfuscation,
                 encryptInternalMetadata: this.editingSettings.encryptInternalMetadata,
                 passphrase: this.editingSettings.passphrase,
+                idDerivationVersion: this.editingSettings.idDerivationVersion,
+                idDerivationKey: this.editingSettings.idDerivationKey,
                 configPassphraseStore: this.editingSettings.configPassphraseStore,
             });
             const addRemoteConfiguration = async () => {

src/modules/features/SettingDialogue/PaneRemoteConfig.unit.spec.ts

@@ -194,4 +194,51 @@ describe("paneRemoteConfig", () => {
         expect(host.initialSettings.encryptInternalMetadata).toBe(true);
         expect(host.requestUpdate).toHaveBeenCalledOnce();
     });
+
+    it("copies applied ID derivation settings into both dialogue buffers", async () => {
+        const nextIdKey = "ab".repeat(32);
+        const originalSettings = {
+            encrypt: true,
+            passphrase: "passphrase",
+            E2EEAlgorithm: "v2",
+            usePathObfuscation: true,
+            encryptInternalMetadata: false,
+            idDerivationVersion: 0,
+            idDerivationKey: "",
+            remoteConfigurations: {},
+        };
+        const setupManager = {
+            onlyE2EEConfiguration: vi.fn(() => {
+                host.core.settings.idDerivationVersion = 1;
+                host.core.settings.idDerivationKey = nextIdKey;
+                return Promise.resolve(false);
+            }),
+        };
+        const host = {
+            editingSettings: { ...originalSettings },
+            initialSettings: { ...originalSettings },
+            core: {
+                settings: { ...originalSettings },
+                getModule: vi.fn(() => setupManager),
+            },
+            lifetimeComponent: { register: vi.fn() },
+            requestUpdate: vi.fn(),
+        };
+        const addPanel = vi.fn((_parent: HTMLElement, heading: string) => ({
+            then(callback: (paneEl: HTMLElement) => void) {
+                if (heading === "E2EE Configuration") {
+                    callback(createPanelElement());
+                }
+            },
+        }));
+
+        paneRemoteConfig.call(host as never, {} as HTMLElement, { addPanel } as never);
+        await runtime.clickHandlers[0]();
+
+        expect(host.editingSettings.idDerivationVersion).toBe(1);
+        expect(host.editingSettings.idDerivationKey).toBe(nextIdKey);
+        expect(host.initialSettings.idDerivationVersion).toBe(1);
+        expect(host.initialSettings.idDerivationKey).toBe(nextIdKey);
+        expect(host.requestUpdate).toHaveBeenCalledOnce();
+    });
 });

src/modules/features/SettingDialogue/settingUtils.ts

@@ -68,6 +68,7 @@ export function getE2EEConfigSummary(setting: ObsidianLiveSyncSettings, showAdva
 export function getSummaryFromPartialSettings(setting: Partial<ObsidianLiveSyncSettings>, showAdvanced = false) {
     const outputSummary: Record<string, string> = {};
     for (const key of Object.keys(setting) as (keyof ObsidianLiveSyncSettings)[]) {
+        if (key === "idDerivationKey" || key === "encryptedIdDerivationKey") continue;
         const config = getConfig(key as AllSettingItemKey);
         if (!config) continue;
         if (config.isAdvanced && !showAdvanced) continue;