Release v1.3.2

Keeps the notebook tree focused on notebooks and leaves note browsing to the note list.

![image](/attachments/a1e50fba-26b7-4dcd-9d44-9938783c6bc5)

Reviewed-on: https://codeberg.org/ArkHost/HelixNotes/pulls/152

.gitignore

@@ -1,5 +1,10 @@
 node_modules
 
+# Foreign lockfiles - this project uses pnpm (pnpm-lock.yaml is the only lockfile)
+package-lock.json
+yarn.lock
+bun.lockb
+
 # Output
 .output
 .vercel
@@ -8,9 +13,20 @@ node_modules
 /.svelte-kit
 /build
 
+# Nix
+/result
+
 # Tauri
 /src-tauri/target
-/src-tauri/gen
+
+# Track Android source (MainActivity.kt, manifest, proguard, gradle); Tauri's nested
+# gen/android/.gitignore + app/.gitignore keep build/, .gradle/, .cxx/, generated/, *.so out.
+/src-tauri/gen/*
+!/src-tauri/gen/android/
+
+# Never commit signing secrets (nested ignore misses keystore.properties)
+/src-tauri/gen/android/keystore.properties
+/src-tauri/gen/android/key.properties
 
 # OS
 .DS_Store

README.md

@@ -1,45 +1,147 @@
 # HelixNotes
 
+[![License: AGPL-3.0](https://img.shields.io/badge/License-AGPL--3.0-blue.svg)](https://codeberg.org/ArkHost/HelixNotes/src/branch/main/LICENSE)
+[![Latest Release](https://img.shields.io/badge/release-v1.3.2-green)](https://codeberg.org/ArkHost/HelixNotes/releases)
+[![Website](https://img.shields.io/badge/web-helixnotes.com-purple)](https://helixnotes.com)
+[![Platform](https://img.shields.io/badge/platform-Linux%20%7C%20Windows%20%7C%20macOS%20%7C%20Android-lightgrey)]()
+
 A local markdown note-taking app built with Tauri, SvelteKit, and Rust.
 
-Your notes are stored as standard Markdown files on your local filesystem. No cloud, no lock-in.
+Your notes are stored as standard Markdown files on your local filesystem.
+No cloud, no lock-in.
 
-## Download
+## Download (v1.3.2)
 
-| Platform | Download | Notes |
-|----------|----------|-------|
-| Linux (Arch/rolling) | [HelixNotes_1.1.0_amd64.AppImage](https://download.helixnotes.com/releases/v1.1.0/HelixNotes_1.1.0_amd64.AppImage) | Best for Arch, Fedora, openSUSE |
-| Linux (Debian/Ubuntu/Mint) | [HelixNotes_1.1.0_amd64.deb](https://codeberg.org/ArkHost/HelixNotes/releases/download/v1.1.0/HelixNotes_1.1.0_amd64.deb) | Ubuntu 22.04+ |
-| Windows | [HelixNotes_1.1.0_x64-setup.exe](https://codeberg.org/ArkHost/HelixNotes/releases/download/v1.1.0/HelixNotes_1.1.0_x64-setup.exe) | Windows 10/11 |
-| macOS | [HelixNotes_1.1.0_x64.dmg](https://codeberg.org/ArkHost/HelixNotes/releases/download/v1.1.0/HelixNotes_1.1.0_x64.dmg) | macOS 12+ (Intel, runs on Apple Silicon via Rosetta) |
+### Linux
 
-See all releases: [codeberg.org/ArkHost/HelixNotes/releases](https://codeberg.org/ArkHost/HelixNotes/releases)
+#### Arch / Manjaro (AUR)
+
+```bash
+yay -S helixnotes-appimage-bin
+```
+
+#### Debian / Ubuntu / Mint (APT)
+
+```bash
+curl -fsSL https://repo.arkhost.com/gpg.key | sudo gpg --dearmor -o /usr/share/keyrings/arkhost.gpg && echo "deb [signed-by=/usr/share/keyrings/arkhost.gpg arch=amd64] https://repo.arkhost.com stable main" | sudo tee /etc/apt/sources.list.d/helixnotes.list && sudo apt update && sudo apt install helix-notes
+```
+
+#### Solus (EOPKG)
+
+```bash
+sudo eopkg it helixnotes
+```
+
+#### NixOS
+
+<details>
+<summary>flake.nix</summary>
+
+```nix
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    helix-notes = {
+      url = "git+https://codeberg.org/ArkHost/HelixNotes";
+      # inputs.nixpkgs.follows = "nixpkgs";
+    }
+  };
+
+  outputs = {
+    nixpkgs,
+    helix-notes,
+    ...
+  }: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+  in {
+    nixosConfigurations.default = nixpkgs.lib.nixosSystem {
+      system = system;
+      specialArgs = { inherit helix-notes; };
+
+      modules = [
+        /path/to/configuration.nix
+      ];
+    };
+  };
+}
+```
+</details>
+
+
+<details>
+<summary>configuration.nix</summary>
+
+```nix
+{
+  config,
+  lib,
+  pkgs,
+  helix-notes,
+  ...
+}:
+{
+  users.users.<USERNAME> = {
+    packages = with pkgs; [
+      (helix-notes.packages.${pkgs.stdenv.hostPlatform.system}.default)
+    ];
+  };
+}
+```
+</details>
+
+#### AppImage (Arch, Fedora 43+, openSUSE Tumbleweed)
+
+[Download AppImage](https://download.helixnotes.com/releases/v1.3.2/HelixNotes_1.3.2_amd64.AppImage)
+
+#### .deb (manual)
+
+[Download .deb](https://codeberg.org/ArkHost/HelixNotes/releases/download/v1.3.2/HelixNotes_1.3.2_amd64.deb) (Ubuntu 22.04+)
+
+### Windows
+
+[Download Installer](https://codeberg.org/ArkHost/HelixNotes/releases/download/v1.3.2/HelixNotes_1.3.2_x64-setup.exe) (Windows 10/11)
+
+### macOS
+
+[Download .dmg](https://codeberg.org/ArkHost/HelixNotes/releases/download/v1.3.2/HelixNotes_1.3.2_x64.dmg) (Intel, runs on Apple Silicon via Rosetta)
+
+### Android
+
+[Download APK](https://codeberg.org/ArkHost/HelixNotes/releases/download/v1.3.2/HelixNotes_1.3.2_android.apk)
+
+---
+
+All releases: [codeberg.org/ArkHost/HelixNotes/releases](https://codeberg.org/ArkHost/HelixNotes/releases)
 
 ## Features
 
-- **Markdown editor** with rich formatting toolbar, slash commands, and source mode
-- **Wiki-links** — link notes with `[[Note Title]]` syntax
-- **Graph view** — visualize connections between your notes
-- **Full-text search** powered by Tantivy
-- **Math support** — KaTeX rendering for inline and block equations
-- **Daily notes** — one-click button to create or open today's note
-- **AI writing tools** — improve, summarize, translate, and more (Anthropic / OpenAI)
-- **Version history** — per-note snapshots with diff view
-- **Backups** — automatic zip-based vault backups
-- **PDF preview** — inline rendering of embedded PDFs
-- **Tag management** — organize notes with tags, bulk edit from context menu
-- **Drag-and-drop** — move notes between notebooks, reorganize notebooks by dragging
-- **Obsidian import** — convert Obsidian wiki-links to standard markdown
-- **Themes** — light/dark mode with customizable accent colors and fonts
-- **Focus mode** — distraction-free writing
-- **View mode** — read-only toggle for distraction-free reading
-- **Local** — everything stays on your machine
+- Markdown editor with toolbar, slash commands, source mode, code highlighting
+- **Tasks view**: aggregate `- [ ]` checklists from across all notes, set priority and due dates, work in a list or a calendar (drag a task to reschedule)
+- `[[Wiki-links]]` and graph view
+- Full-text search (Tantivy), CJK-aware for Chinese, Japanese, and Korean
+- Outline panel, daily notes with calendar view, tags with autocomplete, drag-and-drop
+- Live KaTeX math editor (`/math`, `/imath`) with modal preview, double-click to edit
+- Mermaid diagrams (opt-in render, copy as PNG, save as PNG/SVG)
+- Encrypted secret blocks (`/secret`) stored as portable `helix-secret` markdown fences
+- Insert date/time (`/date`, `/time`, `/now`), color swatches (`/color`), configurable week start
+- Manual notebook sorting (drag to reorder above, into, or below)
+- External `.md` viewer mode with import-to-vault flow
+- PDF preview, Obsidian import, "Show in File Manager"
+- AI writing tools (Ollama / OpenAI-compatible / Anthropic / OpenAI)
+- **Optional WebDAV sync** to your own server (Nextcloud, ownCloud, a NAS): manual or automatic, with keep-both conflict copies
+- Version history with diffs, automatic backups
+- Multi-window, file associations, focus mode, view mode
+- Themes (light, dark, and 14 palettes), accent colors, fonts, 80-200% interface scale
+- Local plain-text files, no company cloud
+
+Full documentation: [helixnotes.com/docs](https://helixnotes.com/docs.html)
 
 ## Tech Stack
 
 - **Frontend**: SvelteKit (Svelte 5) + TailwindCSS v4 + TipTap v3
 - **Backend**: Rust (Tauri 2.0) + Tantivy (search) + Notify (file watcher)
-- **Platforms**: Linux (AppImage), Windows, macOS
+- **Platforms**: Linux (AppImage), Windows, macOS, Android
 
 ## Building from Source
 
@@ -63,6 +165,14 @@ pnpm tauri dev
 pnpm tauri build
 ```
 
+## Screenshots
+
+![Editor](https://cdn.helixnotes.com/assets/screenshots/screenshot-1.png)
+![Tasks calendar](https://cdn.helixnotes.com/assets/screenshots/screenshot-2.png)
+![Graph view](https://cdn.helixnotes.com/assets/screenshots/screenshot-7.png)
+![Daily notes](https://cdn.helixnotes.com/assets/screenshots/screenshot-4.png)
+![Themes](https://cdn.helixnotes.com/assets/screenshots/screenshot-6.png)
+
 ## License
 
-[AGPL-3.0](LICENSE)
+[AGPL-3.0](https://codeberg.org/ArkHost/HelixNotes/src/branch/main/LICENSE)

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1777268161,
+        "narHash": "sha256-bxrdOn8SCOv8tN4JbTF/TXq7kjo9ag4M+C8yzzIRYbE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1c3fe55ad329cbcb28471bb30f05c9827f724c76",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,76 @@
+{
+  description = "HelixNotes (local Markdown notes app) with Nix flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {inherit system;};
+
+      cargoToml = builtins.fromTOML (builtins.readFile ./src-tauri/Cargo.toml);
+      pname = cargoToml.package.name;
+      version = cargoToml.package.version;
+    in {
+      packages.default = pkgs.rustPlatform.buildRustPackage {
+        inherit pname version;
+        src = ./.;
+
+        cargoHash = "sha256-3ihGgdU/1WFa3aOeEi5AcwTFIyGQgxT7Ad0uVuFYB+4=";
+
+        pnpmDeps = pkgs.fetchPnpmDeps {
+          inherit pname version;
+          src = ./.;
+          fetcherVersion = 3;
+          hash = "sha256-Odmd1gwioCvnnExvCOQwDPCgLyrBfTpeUKHy3BrNtiM=";
+        };
+
+        nativeBuildInputs = with pkgs; [
+          cargo-tauri.hook
+
+          pnpmConfigHook
+          pnpm
+          nodejs
+
+          pkg-config
+          jq
+          moreutils
+          wrapGAppsHook3
+        ];
+
+        buildInputs = with pkgs;
+          lib.optionals stdenv.hostPlatform.isLinux [
+            webkitgtk_4_1
+            libayatana-appindicator
+          ];
+
+        cargoRoot = "src-tauri";
+        buildAndTestSubdir = self.packages.${system}.default.cargoRoot;
+
+        # Deactivate the upstream update mechanism
+        postPatch = ''
+          jq '
+            .bundle.createUpdaterArtifacts = false |
+            .plugins.updater = {"active": false, "pubkey": "", "endpoints": []}
+          ' \
+          src-tauri/tauri.conf.json | sponge src-tauri/tauri.conf.json
+        '';
+
+        meta = with pkgs.lib; {
+          description = "HelixNotes desktop application";
+          homepage = "https://helixnotes.com/";
+          license = licenses.agpl3Plus;
+          platforms = platforms.linux ++ platforms.darwin;
+          mainProgram = "helixnotes";
+        };
+      };
+
+      formatter = pkgs.alejandra;
+    });
+}

package.json

@@ -2,7 +2,7 @@
   "name": "helixnotes",
   "private": true,
   "license": "AGPL-3.0-or-later",
-  "version": "1.1.1",
+  "version": "1.3.2",
   "type": "module",
   "scripts": {
     "dev": "vite dev",
@@ -59,12 +59,14 @@
     "@tiptap/starter-kit": "^3.19.0",
     "@types/katex": "^0.16.8",
     "@types/markdown-it": "^14.1.2",
+    "highlight.js": "^11.11.1",
     "katex": "^0.16.28",
     "lowlight": "^3.3.0",
     "markdown-it": "^14.1.0",
     "markdown-it-mark": "^4.0.0",
     "markdown-it-sub": "^2.0.0",
     "markdown-it-sup": "^2.0.0",
-    "markdown-it-task-lists": "^2.1.1"
+    "markdown-it-task-lists": "^2.1.1",
+    "mermaid": "^11.14.0"
   }
 }

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "helixnotes"
-version = "1.1.1"
+version = "1.3.2"
 description = "Local markdown note-taking app"
 authors = ["HelixNotes"]
 license = "AGPL-3.0-or-later"
@@ -20,14 +20,14 @@ tauri-plugin-log = "2"
 tauri-plugin-dialog = "2"
 tauri-plugin-fs = "2"
 tauri-plugin-opener = "2"
-tauri-plugin-updater = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 serde_yaml = "0.9"
 log = "0.4"
 notify = "8"
 walkdir = "2"
-chrono = { version = "0.4", features = ["serde"] }
+chrono = { version = "0.4", features = ["serde", "unstable-locales"] }
+sys-locale = "0.3"
 uuid = { version = "1", features = ["v4"] }
 tantivy = "0.22"
 gray_matter = "0.2"
@@ -35,7 +35,17 @@ tokio = { version = "1", features = ["full"] }
 dirs = "6"
 regex = "1"
 zip = { version = "2", default-features = false, features = ["deflate"] }
-reqwest = { version = "0.12", features = ["json", "stream"] }
+reqwest = { version = "0.12", default-features = false, features = ["json", "stream", "rustls-tls", "blocking"] }
 futures = "0.3"
 rayon = "1"
+quick-xml = "0.36"
+urlencoding = "2"
+sha2 = "0.10"
+rustls = { version = "0.23", default-features = false, features = ["ring", "logging", "std", "tls12"] }
+[target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
+tauri-plugin-updater = "2"
 tauri-plugin-single-instance = "2"
+tauri-plugin-window-state = "2"
+arboard = { version = "3", features = ["image-data", "wayland-data-control"] }
+png = "0.17"
+image = { version = "0.25", default-features = false, features = ["png", "jpeg", "webp", "gif"] }

src-tauri/capabilities/default.json

@@ -2,16 +2,21 @@
   "$schema": "../gen/schemas/desktop-schema.json",
   "identifier": "default",
   "description": "HelixNotes default capabilities",
-  "windows": ["main"],
+  "windows": ["main", "note-*"],
   "permissions": [
     "core:default",
     "core:window:default",
     "core:window:allow-start-dragging",
+    "core:window:allow-start-resize-dragging",
     "core:window:allow-minimize",
     "core:window:allow-toggle-maximize",
     "core:window:allow-close",
     "core:window:allow-is-maximized",
     "core:window:allow-set-decorations",
+    "core:window:allow-is-fullscreen",
+    "core:window:allow-set-fullscreen",
+    "core:window:allow-set-title",
+    "core:webview:allow-create-webview-window",
     "dialog:default",
     "dialog:allow-open",
     "dialog:allow-save",
@@ -44,7 +49,6 @@
         { "url": "mailto:*" }
       ]
     },
-    "opener:allow-reveal-item-in-dir",
-    "updater:default"
+    "opener:allow-reveal-item-in-dir"
   ]
 }

src-tauri/capabilities/desktop.json

@@ -0,0 +1,12 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "desktop",
+  "description": "Desktop-only capabilities",
+  "platforms": ["linux", "macOS", "windows"],
+  "windows": ["main"],
+  "permissions": [
+    "updater:default",
+    "window-state:default",
+    "core:webview:allow-set-webview-zoom"
+  ]
+}

src-tauri/gen/android/.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false

src-tauri/gen/android/.gitignore

@@ -0,0 +1,19 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+key.properties
+
+/.tauri
+/tauri.settings.gradle

src-tauri/gen/android/app/.gitignore

@@ -0,0 +1,6 @@
+/src/main/java/com/helixnotes/app/generated
+/src/main/jniLibs/**/*.so
+/src/main/assets/tauri.conf.json
+/tauri.build.gradle.kts
+/proguard-tauri.pro
+/tauri.properties

src-tauri/gen/android/app/build.gradle.kts

@@ -0,0 +1,92 @@
+import java.util.Properties
+
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("rust")
+}
+
+val tauriProperties = Properties().apply {
+    val propFile = file("tauri.properties")
+    if (propFile.exists()) {
+        propFile.inputStream().use { load(it) }
+    }
+}
+
+val keystoreProperties = Properties().apply {
+    val propFile = rootProject.file("keystore.properties")
+    if (propFile.exists()) {
+        propFile.inputStream().use { load(it) }
+    }
+}
+
+android {
+    compileSdk = 36
+    namespace = "com.helixnotes.app"
+
+    if (keystoreProperties.containsKey("storeFile")) {
+        signingConfigs {
+            create("release") {
+                storeFile = file(keystoreProperties["storeFile"] as String)
+                storePassword = keystoreProperties["storePassword"] as String
+                keyAlias = keystoreProperties["keyAlias"] as String
+                keyPassword = keystoreProperties["keyPassword"] as String
+            }
+        }
+    }
+
+    defaultConfig {
+        manifestPlaceholders["usesCleartextTraffic"] = "false"
+        applicationId = "com.helixnotes.app"
+        minSdk = 24
+        targetSdk = 36
+        versionCode = tauriProperties.getProperty("tauri.android.versionCode", "1").toInt()
+        versionName = tauriProperties.getProperty("tauri.android.versionName", "1.0")
+    }
+    buildTypes {
+        getByName("debug") {
+            manifestPlaceholders["usesCleartextTraffic"] = "true"
+            isDebuggable = true
+            isJniDebuggable = true
+            isMinifyEnabled = false
+            packaging {                jniLibs.keepDebugSymbols.add("*/arm64-v8a/*.so")
+                jniLibs.keepDebugSymbols.add("*/armeabi-v7a/*.so")
+                jniLibs.keepDebugSymbols.add("*/x86/*.so")
+                jniLibs.keepDebugSymbols.add("*/x86_64/*.so")
+            }
+        }
+        getByName("release") {
+            isMinifyEnabled = true
+            proguardFiles(
+                *fileTree(".") { include("**/*.pro") }
+                    .plus(getDefaultProguardFile("proguard-android-optimize.txt"))
+                    .toList().toTypedArray()
+            )
+            if (signingConfigs.names.contains("release")) {
+                signingConfig = signingConfigs.getByName("release")
+            }
+        }
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        buildConfig = true
+    }
+}
+
+rust {
+    rootDirRel = "../../../"
+}
+
+dependencies {
+    implementation("androidx.webkit:webkit:1.14.0")
+    implementation("androidx.appcompat:appcompat:1.7.1")
+    implementation("androidx.activity:activity-ktx:1.10.1")
+    implementation("com.google.android.material:material:1.12.0")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.4")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.0")
+}
+
+apply(from = "tauri.build.gradle.kts")

src-tauri/gen/android/app/proguard-rules.pro

@@ -0,0 +1,22 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Preserve JS interface annotations
+-keepattributes JavascriptInterface
+
+# Keep our custom WebView JS bridge and all its public methods
+-keep class com.helixnotes.app.StorageBridge {
+   public *;
+}
+
+# Keep MainActivity public methods (called from StorageBridge)
+-keep class com.helixnotes.app.MainActivity {
+   public *;
+}
+
+# Ignore missing java.beans classes (referenced by Jackson but not available on Android)
+-dontwarn java.beans.**

src-tauri/gen/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
+
+    <!-- AndroidTV support -->
+    <uses-feature android:name="android.software.leanback" android:required="false" />
+
+    <application
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:requestLegacyExternalStorage="true"
+        android:theme="@style/Theme.helixnotes"
+        android:usesCleartextTraffic="${usesCleartextTraffic}">
+        <activity
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|smallestScreenSize|screenLayout|uiMode"
+            android:launchMode="singleTask"
+            android:label="@string/main_activity_title"
+            android:name=".MainActivity"
+            android:windowSoftInputMode="adjustResize"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+                <!-- AndroidTV support -->
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <provider
+          android:name="androidx.core.content.FileProvider"
+          android:authorities="${applicationId}.fileprovider"
+          android:exported="false"
+          android:grantUriPermissions="true">
+          <meta-data
+            android:name="android.support.FILE_PROVIDER_PATHS"
+            android:resource="@xml/file_paths" />
+        </provider>
+    </application>
+</manifest>

src-tauri/gen/android/app/src/main/java/com/helixnotes/app/MainActivity.kt

@@ -0,0 +1,157 @@
+package com.helixnotes.app
+
+import android.Manifest
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Build
+import android.os.Environment
+import android.provider.Settings
+import android.webkit.JavascriptInterface
+import android.webkit.WebView
+import android.webkit.MimeTypeMap
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.core.content.FileProvider
+import java.io.File
+
+class MainActivity : TauriActivity() {
+  private var webView: WebView? = null
+
+  companion object {
+    private const val STORAGE_PERMISSION_REQUEST_CODE = 1001
+  }
+
+  override fun onWebViewCreate(webView: WebView) {
+    super.onWebViewCreate(webView)
+    this.webView = webView
+    webView.addJavascriptInterface(StorageBridge(this), "Android")
+    // Render text at the size CSS specifies, ignoring the device's system font-size
+    // accessibility setting (textZoom is otherwise tied to the system font scale). (#100)
+    webView.settings.textZoom = 100
+    // The actual fix: disable WebView "text autosizing" / font-boosting, which recomputes
+    // paragraph font-size and line-height from viewport heuristics and ignores our CSS (only
+    // size + line-height were affected; font-family was fine). NORMAL turns it off. (#100)
+    webView.settings.layoutAlgorithm = android.webkit.WebSettings.LayoutAlgorithm.NORMAL
+  }
+
+  override fun onResume() {
+    super.onResume()
+    if (hasStoragePermission()) {
+      webView?.evaluateJavascript(
+        "window.__storagePermissionGranted && window.__storagePermissionGranted()",
+        null
+      )
+    }
+  }
+
+  fun hasStoragePermission(): Boolean {
+    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+      // Android 11+ (API 30+): "All files access" special permission.
+      Environment.isExternalStorageManager()
+    } else {
+      // Android 7-10 (API 24-29): legacy runtime storage permission.
+      ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) ==
+        PackageManager.PERMISSION_GRANTED
+    }
+  }
+
+  fun requestStoragePermission() {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+      if (Environment.isExternalStorageManager()) return
+      try {
+        val intent = Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION)
+        intent.data = Uri.parse("package:$packageName")
+        startActivity(intent)
+      } catch (e: Exception) {
+        try {
+          val fallback = Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION)
+          startActivity(fallback)
+        } catch (_: Exception) {
+          val details = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
+          details.data = Uri.parse("package:$packageName")
+          startActivity(details)
+        }
+      }
+    } else {
+      // Android 7-10: request the legacy runtime permission directly.
+      ActivityCompat.requestPermissions(
+        this,
+        arrayOf(
+          Manifest.permission.READ_EXTERNAL_STORAGE,
+          Manifest.permission.WRITE_EXTERNAL_STORAGE
+        ),
+        STORAGE_PERMISSION_REQUEST_CODE
+      )
+    }
+  }
+
+  override fun onRequestPermissionsResult(
+    requestCode: Int,
+    permissions: Array<out String>,
+    grantResults: IntArray
+  ) {
+    super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+    if (requestCode == STORAGE_PERMISSION_REQUEST_CODE && hasStoragePermission()) {
+      webView?.evaluateJavascript(
+        "window.__storagePermissionGranted && window.__storagePermissionGranted()",
+        null
+      )
+    }
+  }
+
+  fun prepareVaultDir(path: String): Boolean {
+    return try {
+      val dir = File(path)
+      dir.mkdirs()
+      File(dir, ".helixnotes/trash").mkdirs()
+      File(dir, ".helixnotes/attachments").mkdirs()
+      dir.exists() && dir.canWrite()
+    } catch (e: Exception) {
+      false
+    }
+  }
+
+  fun openFile(path: String) {
+    try {
+      val file = File(path)
+      if (!file.exists()) return
+      val uri = FileProvider.getUriForFile(this, "${packageName}.fileprovider", file)
+      val ext = MimeTypeMap.getFileExtensionFromUrl(path)
+      val mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(ext) ?: "*/*"
+      val intent = Intent(Intent.ACTION_VIEW).apply {
+        setDataAndType(uri, mime)
+        addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+      }
+      startActivity(intent)
+    } catch (e: Exception) {
+      android.util.Log.e("HelixNotes", "Failed to open file: $path", e)
+    }
+  }
+}
+
+class StorageBridge(private val activity: MainActivity) {
+  @JavascriptInterface
+  fun hasStoragePermission(): Boolean {
+    return activity.hasStoragePermission()
+  }
+
+  @JavascriptInterface
+  fun requestStoragePermission() {
+    activity.runOnUiThread {
+      activity.requestStoragePermission()
+    }
+  }
+
+  @JavascriptInterface
+  fun prepareVaultDir(path: String): Boolean {
+    return activity.prepareVaultDir(path)
+  }
+
+  @JavascriptInterface
+  fun openFile(path: String) {
+    activity.runOnUiThread {
+      activity.openFile(path)
+    }
+  }
+}

src-tauri/gen/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

src-tauri/gen/android/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#5B6ABF"
+        android:pathData="M0,0h108v108h-108z" />
+</vector>

src-tauri/gen/android/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

src-tauri/gen/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <background android:drawable="@color/ic_launcher_background"/>
+</adaptive-icon>

src-tauri/gen/android/app/src/main/res/values-night/themes.xml

@@ -0,0 +1,8 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme (dark mode). -->
+    <style name="Theme.helixnotes" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <item name="android:windowBackground">#1a1b26</item>
+        <item name="android:navigationBarColor">#1a1b26</item>
+        <item name="android:statusBarColor">#1a1b26</item>
+    </style>
+</resources>

src-tauri/gen/android/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

src-tauri/gen/android/app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <color name="ic_launcher_background">#fff</color>
+</resources>

src-tauri/gen/android/app/src/main/res/values/strings.xml

@@ -0,0 +1,4 @@
+<resources>
+    <string name="app_name">HelixNotes</string>
+    <string name="main_activity_title">HelixNotes</string>
+</resources>

src-tauri/gen/android/app/src/main/res/values/themes.xml

@@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme (light mode). -->
+    <style name="Theme.helixnotes" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <item name="android:windowBackground">#ffffff</item>
+        <item name="android:navigationBarColor">#ffffff</item>
+        <item name="android:statusBarColor">#ffffff</item>
+        <item name="android:windowLightStatusBar">true</item>
+    </style>
+</resources>

src-tauri/gen/android/app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+  <external-path name="my_images" path="." />
+  <cache-path name="my_cache_images" path="." />
+</paths>

src-tauri/gen/android/build.gradle.kts

@@ -0,0 +1,22 @@
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:8.11.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.25")
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+tasks.register("clean").configure {
+    delete("build")
+}
+

src-tauri/gen/android/buildSrc/build.gradle.kts

@@ -0,0 +1,23 @@
+plugins {
+    `kotlin-dsl`
+}
+
+gradlePlugin {
+    plugins {
+        create("pluginsForCoolKids") {
+            id = "rust"
+            implementationClass = "RustPlugin"
+        }
+    }
+}
+
+repositories {
+    google()
+    mavenCentral()
+}
+
+dependencies {
+    compileOnly(gradleApi())
+    implementation("com.android.tools.build:gradle:8.11.0")
+}
+

src-tauri/gen/android/buildSrc/src/main/java/com/helixnotes/app/kotlin/BuildTask.kt

@@ -0,0 +1,68 @@
+import java.io.File
+import org.apache.tools.ant.taskdefs.condition.Os
+import org.gradle.api.DefaultTask
+import org.gradle.api.GradleException
+import org.gradle.api.logging.LogLevel
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.TaskAction
+
+open class BuildTask : DefaultTask() {
+    @Input
+    var rootDirRel: String? = null
+    @Input
+    var target: String? = null
+    @Input
+    var release: Boolean? = null
+
+    @TaskAction
+    fun assemble() {
+        val executable = """pnpm""";
+        try {
+            runTauriCli(executable)
+        } catch (e: Exception) {
+            if (Os.isFamily(Os.FAMILY_WINDOWS)) {
+                // Try different Windows-specific extensions
+                val fallbacks = listOf(
+                    "$executable.exe",
+                    "$executable.cmd",
+                    "$executable.bat",
+                )
+                
+                var lastException: Exception = e
+                for (fallback in fallbacks) {
+                    try {
+                        runTauriCli(fallback)
+                        return
+                    } catch (fallbackException: Exception) {
+                        lastException = fallbackException
+                    }
+                }
+                throw lastException
+            } else {
+                throw e;
+            }
+        }
+    }
+
+    fun runTauriCli(executable: String) {
+        val rootDirRel = rootDirRel ?: throw GradleException("rootDirRel cannot be null")
+        val target = target ?: throw GradleException("target cannot be null")
+        val release = release ?: throw GradleException("release cannot be null")
+        val args = listOf("tauri", "android", "android-studio-script");
+
+        project.exec {
+            workingDir(File(project.projectDir, rootDirRel))
+            executable(executable)
+            args(args)
+            if (project.logger.isEnabled(LogLevel.DEBUG)) {
+                args("-vv")
+            } else if (project.logger.isEnabled(LogLevel.INFO)) {
+                args("-v")
+            }
+            if (release) {
+                args("--release")
+            }
+            args(listOf("--target", target))
+        }.assertNormalExitValue()
+    }
+}

src-tauri/gen/android/buildSrc/src/main/java/com/helixnotes/app/kotlin/RustPlugin.kt

@@ -0,0 +1,85 @@
+import com.android.build.api.dsl.ApplicationExtension
+import org.gradle.api.DefaultTask
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.get
+
+const val TASK_GROUP = "rust"
+
+open class Config {
+    lateinit var rootDirRel: String
+}
+
+open class RustPlugin : Plugin<Project> {
+    private lateinit var config: Config
+
+    override fun apply(project: Project) = with(project) {
+        config = extensions.create("rust", Config::class.java)
+
+        val defaultAbiList = listOf("arm64-v8a", "armeabi-v7a", "x86", "x86_64");
+        val abiList = (findProperty("abiList") as? String)?.split(',') ?: defaultAbiList
+
+        val defaultArchList = listOf("arm64", "arm", "x86", "x86_64");
+        val archList = (findProperty("archList") as? String)?.split(',') ?: defaultArchList
+
+        val targetsList = (findProperty("targetList") as? String)?.split(',') ?: listOf("aarch64", "armv7", "i686", "x86_64")
+
+        extensions.configure<ApplicationExtension> {
+            @Suppress("UnstableApiUsage")
+            flavorDimensions.add("abi")
+            productFlavors {
+                create("universal") {
+                    dimension = "abi"
+                    ndk {
+                        abiFilters += abiList
+                    }
+                }
+                defaultArchList.forEachIndexed { index, arch ->
+                    create(arch) {
+                        dimension = "abi"
+                        ndk {
+                            abiFilters.add(defaultAbiList[index])
+                        }
+                    }
+                }
+            }
+        }
+
+        afterEvaluate {
+            for (profile in listOf("debug", "release")) {
+                val profileCapitalized = profile.replaceFirstChar { it.uppercase() }
+                val buildTask = tasks.maybeCreate(
+                    "rustBuildUniversal$profileCapitalized",
+                    DefaultTask::class.java
+                ).apply {
+                    group = TASK_GROUP
+                    description = "Build dynamic library in $profile mode for all targets"
+                }
+
+                tasks["mergeUniversal${profileCapitalized}JniLibFolders"].dependsOn(buildTask)
+
+                for (targetPair in targetsList.withIndex()) {
+                    val targetName = targetPair.value
+                    val targetArch = archList[targetPair.index]
+                    val targetArchCapitalized = targetArch.replaceFirstChar { it.uppercase() }
+                    val targetBuildTask = project.tasks.maybeCreate(
+                        "rustBuild$targetArchCapitalized$profileCapitalized",
+                        BuildTask::class.java
+                    ).apply {
+                        group = TASK_GROUP
+                        description = "Build dynamic library in $profile mode for $targetArch"
+                        rootDirRel = config.rootDirRel
+                        target = targetName
+                        release = profile == "release"
+                    }
+
+                    buildTask.dependsOn(targetBuildTask)
+                    tasks["merge$targetArchCapitalized${profileCapitalized}JniLibFolders"].dependsOn(
+                        targetBuildTask
+                    )
+                }
+            }
+        }
+    }
+}

src-tauri/gen/android/gradle.properties

@@ -0,0 +1,24 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
+android.nonFinalResIds=false

src-tauri/gen/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue May 10 19:22:52 CST 2022
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

src-tauri/gen/android/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

src-tauri/gen/android/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

src-tauri/gen/android/settings.gradle

@@ -0,0 +1,3 @@
+include ':app'
+
+apply from: 'tauri.settings.gradle'

src-tauri/icons/helixnotes-logo.svg

@@ -0,0 +1,9 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512">
+    <rect width="512" height="512" rx="112" ry="112" fill="#626ED4"/>
+    <line x1="128" y1="128" x2="384" y2="384" stroke="#ffffff" stroke-width="8" stroke-opacity="0.5" stroke-linecap="round"/>
+    <line x1="384" y1="128" x2="128" y2="384" stroke="#ffffff" stroke-width="8" stroke-opacity="0.5" stroke-linecap="round"/>
+    <circle cx="128" cy="128" r="36" fill="#ffffff"/>
+    <circle cx="384" cy="128" r="36" fill="#ffffff"/>
+    <circle cx="128" cy="384" r="36" fill="#ffffff"/>
+    <circle cx="384" cy="384" r="36" fill="#ffffff"/>
+</svg>

src-tauri/src/ai.rs

@@ -6,6 +6,7 @@ use crate::types::AiStreamEvent;
 
 const ANTHROPIC_API_URL: &str = "https://api.anthropic.com/v1/messages";
 const OPENAI_API_URL: &str = "https://api.openai.com/v1/chat/completions";
+const OLLAMA_DEFAULT_URL: &str = "http://localhost:11434";
 
 pub fn ai_request(
     app: AppHandle,
@@ -15,15 +16,19 @@ pub fn ai_request(
     system_prompt: String,
     user_message: String,
     request_id: String,
+    base_url: Option<String>,
 ) {
     std::thread::spawn(move || {
         let rt = tokio::runtime::Runtime::new().unwrap();
         rt.block_on(async {
+            // Handle all API keys as optional; ollama and v1 completions doesnt always require it.
+            let key_opt = if api_key.is_empty() { None } else { Some(api_key.as_str()) };
             let result = match provider.as_str() {
                 "openai" => {
                     stream_openai(
                         &app,
-                        &api_key,
+                        OPENAI_API_URL,
+                        Some(&api_key),
                         &model,
                         &system_prompt,
                         &user_message,
@@ -31,6 +36,38 @@ pub fn ai_request(
                     )
                     .await
                 }
+                "ollama" => {
+                    let url = base_url.as_deref().unwrap_or(OLLAMA_DEFAULT_URL);
+                    let url = format!("{}/v1/chat/completions", url.trim_end_matches('/'));
+                    stream_openai(
+                        &app,
+                        &url,
+                        key_opt,
+                        &model,
+                        &system_prompt,
+                        &user_message,
+                        &request_id,
+                    )
+                    .await
+                }
+                "openai_compatible" => {
+                    let url = base_url.as_deref().unwrap_or("");
+                    if url.is_empty() {
+                        Err("No base URL configured for OpenAI Compatible provider".to_string())
+                    } else {
+                        let url = format!("{}/v1/chat/completions", normalize_openai_base(url));
+                        stream_openai(
+                            &app,
+                            &url,
+                            key_opt,
+                            &model,
+                            &system_prompt,
+                            &user_message,
+                            &request_id,
+                        )
+                        .await
+                    }
+                }
                 _ => {
                     stream_anthropic(
                         &app,
@@ -57,6 +94,13 @@ pub fn ai_request(
     });
 }
 
+/// Normalize an OpenAI-compatible base URL: drop a trailing slash and a trailing `/v1`,
+/// so both `https://host` and `https://host/v1` work (we append `/v1/chat/completions`).
+fn normalize_openai_base(base: &str) -> String {
+    let b = base.trim().trim_end_matches('/');
+    b.strip_suffix("/v1").unwrap_or(b).trim_end_matches('/').to_string()
+}
+
 async fn stream_anthropic(
     app: &AppHandle,
     api_key: &str,
@@ -173,7 +217,6 @@ async fn stream_anthropic(
         }
     }
 
-    // Stream ended — send done
     let _ = app.emit(
         "ai-stream",
         AiStreamEvent {
@@ -188,7 +231,8 @@ async fn stream_anthropic(
 
 async fn stream_openai(
     app: &AppHandle,
-    api_key: &str,
+    url: &str,
+    api_key: Option<&str>,
     model: &str,
     system_prompt: &str,
     user_message: &str,
@@ -224,10 +268,15 @@ async fn stream_openai(
         body["temperature"] = json!(0.7);
     }
 
-    let response = client
-        .post(OPENAI_API_URL)
-        .header("Authorization", format!("Bearer {}", api_key))
-        .header("content-type", "application/json")
+    let mut req = client
+        .post(url)
+        .header("content-type", "application/json");
+
+    if let Some(key) = api_key {
+        req = req.header("Authorization", format!("Bearer {}", key));
+    }
+
+    let response = req
         .json(&body)
         .send()
         .await
@@ -325,9 +374,28 @@ async fn stream_openai(
     Ok(())
 }
 
-pub async fn test_connection(provider: &str, api_key: &str, model: &str) -> Result<String, String> {
+pub async fn test_connection(
+    provider: &str,
+    api_key: &str,
+    model: &str,
+    base_url: Option<&str>,
+) -> Result<String, String> {
+    let key_opt = if api_key.is_empty() { None } else { Some(api_key) };
     match provider {
-        "openai" => test_openai(api_key, model).await,
+        "openai" => test_openai(OPENAI_API_URL, Some(api_key), model).await,
+        "ollama" => {
+            let url = base_url.unwrap_or(OLLAMA_DEFAULT_URL);
+            let url = format!("{}/v1/chat/completions", url.trim_end_matches('/'));
+            test_openai(&url, key_opt, model).await
+        }
+        "openai_compatible" => {
+            let url = base_url.unwrap_or("");
+            if url.is_empty() {
+                return Err("No base URL configured for OpenAI Compatible provider".to_string());
+            }
+            let url = format!("{}/v1/chat/completions", normalize_openai_base(url));
+            test_openai(&url, key_opt, model).await
+        }
         _ => test_anthropic(api_key, model).await,
     }
 }
@@ -365,19 +433,12 @@ async fn test_anthropic(api_key: &str, model: &str) -> Result<String, String> {
     }
 }
 
-async fn test_openai(api_key: &str, model: &str) -> Result<String, String> {
+async fn test_openai(url: &str, api_key: Option<&str>, model: &str) -> Result<String, String> {
     let client = Client::new();
 
-    let is_gpt5 = model.starts_with("gpt-5");
-    let token_key = if is_gpt5 {
-        "max_completion_tokens"
-    } else {
-        "max_tokens"
-    };
-
     let body = json!({
         "model": model,
-        token_key: 10,
+        "max_tokens": 10,
         "messages": [
             {
                 "role": "user",
@@ -386,10 +447,15 @@ async fn test_openai(api_key: &str, model: &str) -> Result<String, String> {
         ]
     });
 
-    let response = client
-        .post(OPENAI_API_URL)
-        .header("Authorization", format!("Bearer {}", api_key))
-        .header("content-type", "application/json")
+    let mut req = client
+        .post(url)
+        .header("content-type", "application/json");
+
+    if let Some(key) = api_key {
+        req = req.header("Authorization", format!("Bearer {}", key));
+    }
+
+    let response = req
         .json(&body)
         .send()
         .await

src-tauri/src/backup.rs

@@ -207,7 +207,7 @@ pub fn restore_backup(vault_path: &str, backup_path: &str) -> Result<(), String>
             .to_string_lossy()
             .to_string();
 
-        // Keep hidden dirs (.helixnotes) — we'll handle attachments separately
+        // Keep hidden dirs (.helixnotes) - we'll handle attachments separately
         if name.starts_with('.') {
             continue;
         }

src-tauri/src/history.rs

@@ -157,7 +157,7 @@ fn prune_versions(dir: &Path, max: u32) -> Result<(), String> {
         .filter(|p| p.extension().map_or(false, |ext| ext == "md"))
         .collect();
 
-    // Sort by name (timestamps sort lexicographically) — newest last
+    // Sort by name (timestamps sort lexicographically) - newest last
     files.sort();
 
     if files.len() as u32 > max {

src-tauri/src/lib.rs

@@ -4,36 +4,44 @@ mod commands;
 mod history;
 mod search;
 mod state;
+mod sync;
 mod types;
 mod vault;
 
 use state::AppState;
+#[allow(unused_imports)]
+use tauri::{Emitter, Manager};
+
+#[cfg(desktop)]
 use tauri::{
     image::Image,
     menu::{MenuBuilder, MenuItemBuilder},
     tray::TrayIconBuilder,
-    Manager,
 };
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
+    // Work around blank window from WebKitGTK DMABUF/GBM allocation failures on some Linux GPUs.
+    #[cfg(target_os = "linux")]
+    if std::env::var_os("WEBKIT_DISABLE_DMABUF_RENDERER").is_none() {
+        std::env::set_var("WEBKIT_DISABLE_DMABUF_RENDERER", "1");
+    }
+
+    rustls::crypto::ring::default_provider()
+        .install_default()
+        .expect("Failed to install rustls crypto provider");
+
     let config = commands::load_app_config();
+    #[cfg(desktop)]
     let show_tray = config.show_tray_icon;
+    #[cfg(desktop)]
     let close_to_tray = config.close_to_tray && show_tray;
     let app_state = AppState::new(config);
 
     let mut builder = tauri::Builder::default()
-        .plugin(tauri_plugin_single_instance::init(|app, _args, _cwd| {
-            if let Some(window) = app.get_webview_window("main") {
-                let _ = window.show();
-                let _ = window.unminimize();
-                let _ = window.set_focus();
-            }
-        }))
         .plugin(tauri_plugin_dialog::init())
         .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_opener::init())
-        .plugin(tauri_plugin_updater::Builder::new().build())
         .setup(move |app| {
             if cfg!(debug_assertions) {
                 app.handle().plugin(
@@ -43,21 +51,64 @@ pub fn run() {
                 )?;
             }
 
+            // On mobile, set config dir from Tauri's path resolver, then reload config
+            #[cfg(mobile)]
+            {
+                if let Ok(config_dir) = app.path().config_dir() {
+                    commands::set_mobile_config_dir(config_dir);
+                } else if let Ok(data_dir) = app.path().data_dir() {
+                    commands::set_mobile_config_dir(data_dir);
+                }
+                // Reload config now that the mobile config dir is available
+                let reloaded = commands::load_app_config();
+                let _ = app.state::<AppState>().config.lock().map(|mut cfg| {
+                    *cfg = reloaded;
+                });
+            }
+
+            #[cfg(desktop)]
             if show_tray {
                 setup_tray(app)?;
             }
 
+            // Check CLI args for a .md file path on initial launch
+            #[cfg(desktop)]
+            {
+                let file_arg = std::env::args().skip(1).find(|a| {
+                    let a = a.trim();
+                    !a.starts_with('-') && a.ends_with(".md")
+                });
+                if let Some(path) = file_arg {
+                    let resolved = if std::path::Path::new(&path).is_absolute() {
+                        std::path::PathBuf::from(&path)
+                    } else {
+                        std::env::current_dir().unwrap_or_default().join(&path)
+                    };
+                    if let Some(resolved_str) = resolved.to_str() {
+                        let app_state = app.state::<AppState>();
+                        let _ = app_state.pending_open_file.lock().map(|mut p| {
+                            *p = Some(resolved_str.to_string());
+                        });
+                    }
+                }
+            }
+
             Ok(())
         })
         .manage(app_state)
         .invoke_handler(tauri::generate_handler![
             commands::open_vault,
+            commands::remove_vault,
             commands::get_app_config,
             commands::set_theme,
             commands::set_accent_color,
             commands::set_font_size,
             commands::set_font_family,
+            commands::set_line_height,
+            commands::set_ui_scale,
+            commands::set_content_width,
             commands::get_notebooks,
+            commands::count_root_notes,
             commands::create_notebook,
             commands::rename_notebook,
             commands::delete_notebook,
@@ -72,14 +123,22 @@ pub fn run() {
             commands::move_note,
             commands::get_all_tags,
             commands::get_all_note_titles,
+            commands::get_graph_data,
+            commands::get_tasks,
+            commands::set_task_done,
+            commands::set_task_priority,
+            commands::set_task_due,
             commands::search_notes,
             commands::reindex,
             commands::get_trash,
             commands::restore_note,
+            commands::restore_notebook,
             commands::permanent_delete,
             commands::empty_trash,
             commands::load_vault_state,
             commands::save_vault_state,
+            commands::read_clipboard_image,
+            commands::copy_image_to_clipboard,
             commands::save_image,
             commands::save_attachment,
             commands::get_notebook_icons,
@@ -90,9 +149,14 @@ pub fn run() {
             commands::remove_quick_access,
             commands::reorder_quick_access,
             commands::get_vault_stats,
+            commands::find_orphaned_attachments,
+            commands::trash_orphaned_attachments,
             commands::import_obsidian,
             commands::open_file,
+            commands::open_url,
             commands::copy_file_to,
+            commands::write_bytes_to,
+            commands::copy_png_to_clipboard,
             commands::create_backup,
             commands::list_backups,
             commands::restore_backup,
@@ -104,14 +168,139 @@ pub fn run() {
             commands::set_ai_settings,
             commands::test_ai_connection,
             commands::ai_ask,
+            commands::set_sync_settings,
+            commands::test_sync_connection,
+            commands::sync_now,
             commands::get_install_type,
-        ]);
+            commands::is_mobile_platform,
+            commands::get_pending_open_file,
+        ])
+        .register_asynchronous_uri_scheme_protocol("imgproxy", |_ctx, request, responder| {
+            let path = request.uri().path().to_string();
+            std::thread::spawn(move || {
+                let encoded = path.strip_prefix('/').unwrap_or(&path);
+                let external_url = percent_decode(encoded);
 
-    if close_to_tray {
-        builder = builder.on_window_event(|window, event| {
-            if let tauri::WindowEvent::CloseRequested { api, .. } = event {
-                api.prevent_close();
-                let _ = window.hide();
+                if !external_url.starts_with("http://") && !external_url.starts_with("https://") {
+                    let _ = responder.respond(
+                        tauri::http::Response::builder()
+                            .status(400)
+                            .body(Vec::new())
+                            .unwrap(),
+                    );
+                    return;
+                }
+
+                let client = match reqwest::blocking::Client::builder()
+                    .timeout(std::time::Duration::from_secs(30))
+                    .build()
+                {
+                    Ok(c) => c,
+                    Err(_) => {
+                        let _ = responder.respond(
+                            tauri::http::Response::builder()
+                                .status(502)
+                                .body(Vec::new())
+                                .unwrap(),
+                        );
+                        return;
+                    }
+                };
+
+                match client.get(&external_url).send() {
+                    Ok(resp) => {
+                        let content_type = resp
+                            .headers()
+                            .get("content-type")
+                            .and_then(|h| h.to_str().ok())
+                            .unwrap_or("application/octet-stream")
+                            .to_string();
+                        let status = resp.status().as_u16();
+                        match resp.bytes() {
+                            Ok(bytes) => {
+                                let _ = responder.respond(
+                                    tauri::http::Response::builder()
+                                        .status(status)
+                                        .header("Content-Type", &content_type)
+                                        .header("Access-Control-Allow-Origin", "*")
+                                        .body(bytes.to_vec())
+                                        .unwrap(),
+                                );
+                            }
+                            Err(_) => {
+                                let _ = responder.respond(
+                                    tauri::http::Response::builder()
+                                        .status(502)
+                                        .body(Vec::new())
+                                        .unwrap(),
+                                );
+                            }
+                        }
+                    }
+                    Err(_) => {
+                        let _ = responder.respond(
+                            tauri::http::Response::builder()
+                                .status(502)
+                                .body(Vec::new())
+                                .unwrap(),
+                        );
+                    }
+                }
+            });
+        });
+
+    #[cfg(desktop)]
+    {
+        builder = builder.plugin(tauri_plugin_single_instance::init(|app, args, cwd| {
+            // Always show/focus the main window
+            if let Some(window) = app.get_webview_window("main") {
+                let _ = window.show();
+                let _ = window.unminimize();
+                let _ = window.set_focus();
+            }
+
+            // Extract .md file path from args (args[0] is the binary)
+            let file_path = args.iter().skip(1).find(|arg| {
+                let a = arg.trim();
+                !a.starts_with('-') && a.ends_with(".md")
+            });
+
+            if let Some(path) = file_path {
+                let resolved = if std::path::Path::new(path.as_str()).is_absolute() {
+                    std::path::PathBuf::from(path)
+                } else {
+                    std::path::Path::new(&cwd).join(path)
+                };
+                if let Some(resolved_str) = resolved.to_str() {
+                    let _ = app.emit("open-file", resolved_str.to_string());
+                }
+            }
+        }));
+
+        builder = builder.plugin(tauri_plugin_updater::Builder::new().build());
+        builder = builder.plugin(tauri_plugin_window_state::Builder::default().build());
+
+        builder = builder.on_window_event(move |window, event| {
+            match event {
+                tauri::WindowEvent::CloseRequested { api, .. } => {
+                    // Only hide to tray for the main window
+                    if close_to_tray && window.label() == "main" {
+                        api.prevent_close();
+                        let _ = window.hide();
+                    }
+                }
+                tauri::WindowEvent::Destroyed => {
+                    // When main window is destroyed, close all note windows
+                    if window.label() == "main" {
+                        let app = window.app_handle();
+                        for (label, win) in app.webview_windows() {
+                            if label.starts_with("note-") {
+                                let _ = win.close();
+                            }
+                        }
+                    }
+                }
+                _ => {}
             }
         });
     }
@@ -121,6 +310,7 @@ pub fn run() {
         .expect("error while running tauri application");
 }
 
+#[cfg(desktop)]
 fn setup_tray(app: &mut tauri::App) -> Result<(), Box<dyn std::error::Error>> {
     let show = MenuItemBuilder::with_id("show", "Show HelixNotes").build(app)?;
     let quit = MenuItemBuilder::with_id("quit", "Quit").build(app)?;
@@ -159,3 +349,23 @@ fn setup_tray(app: &mut tauri::App) -> Result<(), Box<dyn std::error::Error>> {
 
     Ok(())
 }
+
+fn percent_decode(input: &str) -> String {
+    let mut output = Vec::with_capacity(input.len());
+    let bytes = input.as_bytes();
+    let mut i = 0;
+    while i < bytes.len() {
+        if bytes[i] == b'%' && i + 2 < bytes.len() {
+            if let Ok(decoded) =
+                u8::from_str_radix(std::str::from_utf8(&bytes[i + 1..i + 3]).unwrap_or(""), 16)
+            {
+                output.push(decoded);
+                i += 3;
+                continue;
+            }
+        }
+        output.push(bytes[i]);
+        i += 1;
+    }
+    String::from_utf8_lossy(&output).to_string()
+}

src-tauri/src/search/mod.rs

@@ -5,12 +5,163 @@ use std::fs;
 use std::path::Path;
 use std::sync::Mutex;
 use tantivy::collector::TopDocs;
+#[cfg(desktop)]
 use tantivy::directory::MmapDirectory;
-use tantivy::query::QueryParser;
+#[cfg(mobile)]
+use tantivy::directory::RamDirectory;
+use tantivy::query::{BooleanQuery, FuzzyTermQuery, Occur, PhrasePrefixQuery, Query, TermQuery};
 use tantivy::schema::*;
-use tantivy::{Index, IndexWriter, TantivyDocument};
+use tantivy::tokenizer::{LowerCaser, TextAnalyzer, Token, TokenStream, Tokenizer};
+use tantivy::{Index, IndexWriter, TantivyDocument, Term};
 use walkdir::WalkDir;
 
+/// Bumped whenever the index schema or tokenizer changes, so the on-disk index is
+/// wiped and rebuilt once on the next vault open (the index is derived from the
+/// notes, so this never loses data).
+const INDEX_SCHEMA_VERSION: &str = "2-cjk-bigram";
+
+/// Per-vault search index dir in local app-data, kept out of the (possibly synced) vault.
+#[cfg(desktop)]
+fn vault_index_base(vault_path: &str) -> Option<std::path::PathBuf> {
+    use sha2::{Digest, Sha256};
+    let mut hasher = Sha256::new();
+    hasher.update(vault_path.as_bytes());
+    let key: String = hasher.finalize()[..8].iter().map(|b| format!("{:02x}", b)).collect();
+    dirs::data_local_dir().map(|d| d.join("helixnotes").join("search").join(key))
+}
+
+/// True for characters in the CJK / Japanese / Korean blocks, which are written
+/// without spaces between words. These get uni/bi-gram tokenized so substring
+/// search works; everything else keeps the default word-splitting behaviour.
+fn is_cjk(c: char) -> bool {
+    matches!(c as u32,
+        0x3400..=0x4DBF   // CJK Unified Ideographs Extension A
+        | 0x4E00..=0x9FFF // CJK Unified Ideographs (Han)
+        | 0x3040..=0x309F // Hiragana
+        | 0x30A0..=0x30FF // Katakana
+        | 0xAC00..=0xD7AF // Hangul Syllables
+        | 0xF900..=0xFAFF // CJK Compatibility Ideographs
+        | 0xFF00..=0xFFEF // Halfwidth and Fullwidth Forms
+    )
+}
+
+/// Tokenize `text` so that CJK runs become overlapping unigrams + bigrams (recall
+/// over precision: a query for any substring of a CJK run will match), while runs
+/// of other alphanumeric characters become a single word token (same as tantivy's
+/// SimpleTokenizer, so Latin/English indexing is unchanged). Lowercasing is applied
+/// by a LowerCaser filter in the analyzer, not here.
+fn cjk_tokens(text: &str) -> Vec<Token> {
+    let mut tokens: Vec<Token> = Vec::new();
+    let mut position: usize = 0;
+    let mut cjk_run: Vec<(usize, char)> = Vec::new();
+    let mut word = String::new();
+    let mut word_start: usize = 0;
+
+    macro_rules! flush_word {
+        () => {{
+            if !word.is_empty() {
+                let len = word.len();
+                tokens.push(Token {
+                    offset_from: word_start,
+                    offset_to: word_start + len,
+                    position,
+                    text: std::mem::take(&mut word),
+                    position_length: 1,
+                });
+                position += 1;
+            }
+        }};
+    }
+    macro_rules! flush_cjk {
+        () => {{
+            let n = cjk_run.len();
+            for i in 0..n {
+                let (off, ch) = cjk_run[i];
+                tokens.push(Token {
+                    offset_from: off,
+                    offset_to: off + ch.len_utf8(),
+                    position,
+                    text: ch.to_string(),
+                    position_length: 1,
+                });
+                position += 1;
+            }
+            for i in 0..n.saturating_sub(1) {
+                let (off1, c1) = cjk_run[i];
+                let (off2, c2) = cjk_run[i + 1];
+                let mut s = String::with_capacity(c1.len_utf8() + c2.len_utf8());
+                s.push(c1);
+                s.push(c2);
+                tokens.push(Token {
+                    offset_from: off1,
+                    offset_to: off2 + c2.len_utf8(),
+                    position,
+                    text: s,
+                    position_length: 1,
+                });
+                position += 1;
+            }
+            cjk_run.clear();
+        }};
+    }
+
+    for (offset, c) in text.char_indices() {
+        if is_cjk(c) {
+            flush_word!();
+            cjk_run.push((offset, c));
+        } else if c.is_alphanumeric() {
+            flush_cjk!();
+            if word.is_empty() {
+                word_start = offset;
+            }
+            word.push(c);
+        } else {
+            flush_cjk!();
+            flush_word!();
+        }
+    }
+    flush_cjk!();
+    flush_word!();
+    let _ = position; // the final flush increments position but nothing reads it after
+    tokens
+}
+
+/// A pre-computed token stream (all tokens collected up front by `cjk_tokens`).
+struct PreTokenizedStream {
+    tokens: Vec<Token>,
+    idx: usize,
+}
+
+impl TokenStream for PreTokenizedStream {
+    fn advance(&mut self) -> bool {
+        if self.idx < self.tokens.len() {
+            self.idx += 1;
+            true
+        } else {
+            false
+        }
+    }
+    fn token(&self) -> &Token {
+        &self.tokens[self.idx - 1]
+    }
+    fn token_mut(&mut self) -> &mut Token {
+        &mut self.tokens[self.idx - 1]
+    }
+}
+
+#[derive(Clone)]
+struct CjkTokenizer;
+
+impl Tokenizer for CjkTokenizer {
+    type TokenStream<'a> = PreTokenizedStream;
+    fn token_stream<'a>(&'a mut self, text: &'a str) -> PreTokenizedStream {
+        PreTokenizedStream {
+            tokens: cjk_tokens(text),
+            idx: 0,
+        }
+    }
+}
+
 pub struct SearchIndex {
     index: Index,
     writer: Mutex<Option<IndexWriter>>,
@@ -24,22 +175,75 @@ pub struct SearchIndex {
 
 impl SearchIndex {
     pub fn new(vault_path: &str) -> Result<Self, String> {
-        let index_dir = helixnotes_dir(vault_path).join("search_index");
-        fs::create_dir_all(&index_dir).map_err(|e| e.to_string())?;
-
         let mut schema_builder = Schema::builder();
         let path_field = schema_builder.add_text_field("path", STRING | STORED);
-        let title_field = schema_builder.add_text_field("title", TEXT | STORED);
-        let body_field = schema_builder.add_text_field("body", TEXT);
-        let tags_field = schema_builder.add_text_field("tags", TEXT | STORED);
+        // CJK-aware tokenizer for the indexed text fields (keeps Latin/English
+        // behaviour identical; adds substring matching for Chinese/Japanese/Korean).
+        let cjk_indexing = TextFieldIndexing::default()
+            .set_tokenizer("cjk")
+            .set_index_option(IndexRecordOption::WithFreqsAndPositions);
+        let cjk_text = TextOptions::default().set_indexing_options(cjk_indexing.clone());
+        let cjk_text_stored = cjk_text.clone().set_stored();
+        let title_field = schema_builder.add_text_field("title", cjk_text_stored.clone());
+        let body_field = schema_builder.add_text_field("body", cjk_text);
+        let tags_field = schema_builder.add_text_field("tags", cjk_text_stored);
         let schema = schema_builder.build();
 
-        let dir = MmapDirectory::open(&index_dir).map_err(|e| e.to_string())?;
-        let index = Index::open_or_create(dir, schema.clone()).map_err(|e| e.to_string())?;
+        // Mobile: use in-memory index (flock is unreliable on the sandboxed/FUSE filesystem)
+        // Desktop: use mmap directory for persistent index on disk
+        #[cfg(mobile)]
+        let index = {
+            let dir = RamDirectory::create();
+            Index::open_or_create(dir, schema.clone()).map_err(|e| e.to_string())?
+        };
+        #[cfg(desktop)]
+        let index = {
+            let base = vault_index_base(vault_path)
+                .unwrap_or_else(|| helixnotes_dir(vault_path).join("search_index"));
+            let index_dir = base.join("index");
+            let version_path = base.join("version");
 
-        let writer = index
-            .writer(50_000_000)
-            .map_err(|e| e.to_string())?;
+            // Remove the old in-vault index so it stops syncing.
+            let hn = helixnotes_dir(vault_path);
+            let _ = fs::remove_dir_all(hn.join("search_index"));
+            let _ = fs::remove_file(hn.join("search_index.version"));
+
+            // One-time wipe when the schema/tokenizer version changes; rebuild() repopulates.
+            let version_ok = fs::read_to_string(&version_path)
+                .map(|v| v.trim() == INDEX_SCHEMA_VERSION)
+                .unwrap_or(false);
+            if !version_ok {
+                let _ = fs::remove_dir_all(&index_dir);
+            }
+            fs::create_dir_all(&index_dir).map_err(|e| e.to_string())?;
+            let dir = MmapDirectory::open(&index_dir).map_err(|e| e.to_string())?;
+            let idx = match Index::open_or_create(dir, schema.clone()) {
+                Ok(idx) => idx,
+                Err(_) => {
+                    // Schema mismatch (older index) or corruption: wipe and recreate.
+                    let _ = fs::remove_dir_all(&index_dir);
+                    fs::create_dir_all(&index_dir).map_err(|e| e.to_string())?;
+                    let dir = MmapDirectory::open(&index_dir).map_err(|e| e.to_string())?;
+                    Index::open_or_create(dir, schema.clone()).map_err(|e| e.to_string())?
+                }
+            };
+            let _ = fs::write(&version_path, INDEX_SCHEMA_VERSION);
+            idx
+        };
+
+        // Register the CJK-aware tokenizer (in-memory; must be done on every open,
+        // before the writer is created, so both indexing and querying use it).
+        index.tokenizers().register(
+            "cjk",
+            TextAnalyzer::builder(CjkTokenizer).filter(LowerCaser).build(),
+        );
+
+        #[cfg(mobile)]
+        let heap_size = 15_000_000;
+        #[cfg(desktop)]
+        let heap_size = 50_000_000;
+
+        let writer = index.writer(heap_size).map_err(|e| e.to_string())?;
 
         Ok(Self {
             index,
@@ -62,18 +266,20 @@ impl SearchIndex {
 
         for entry in WalkDir::new(vault_path)
             .into_iter()
-            .filter_map(|e| e.ok())
-            .filter(|e| {
+            .filter_entry(|e| {
                 let p = e.path();
-                p.is_file()
-                    && p.extension().and_then(|x| x.to_str()) == Some("md")
-                    && !p.starts_with(&hn_dir)
+                !p.starts_with(&hn_dir)
                     && !p
                         .file_name()
                         .and_then(|n| n.to_str())
                         .map(|n| n.starts_with('.'))
                         .unwrap_or(false)
             })
+            .filter_map(|e| e.ok())
+            .filter(|e| {
+                e.file_type().is_file()
+                    && e.path().extension().and_then(|x| x.to_str()) == Some("md")
+            })
         {
             if let Ok(raw) = fs::read_to_string(entry.path()) {
                 let filename = entry.file_name().to_string_lossy().to_string();
@@ -135,12 +341,59 @@ impl SearchIndex {
         let reader = self.index.reader().map_err(|e| e.to_string())?;
         let searcher = reader.searcher();
 
-        let query_parser =
-            QueryParser::for_index(&self.index, vec![self.title_field, self.body_field, self.tags_field]);
+        let fields = vec![self.title_field, self.body_field, self.tags_field];
+        // Tokenize the query with the SAME CJK-aware analyzer used for indexing, so a
+        // Chinese/Japanese/Korean query becomes the same uni/bigram tokens as the docs.
+        // (For pure-ASCII queries this yields the same lowercased word tokens as before.)
+        let mut analyzer = self
+            .index
+            .tokenizers()
+            .get("cjk")
+            .ok_or("cjk tokenizer not registered")?;
+        let terms: Vec<String> = {
+            let mut out = Vec::new();
+            let mut stream = analyzer.token_stream(query_str);
+            while stream.advance() {
+                out.push(stream.token().text.clone());
+            }
+            out
+        };
 
-        let query = query_parser
-            .parse_query(query_str)
-            .map_err(|e| e.to_string())?;
+        // For each term, OR queries across all fields, then AND all terms together.
+        // CJK tokens (uni/bigrams) already encode segmentation -> exact term match.
+        // Latin tokens keep prefix + fuzzy matching (unchanged English behaviour).
+        let term_queries: Vec<(Occur, Box<dyn Query>)> = terms
+            .iter()
+            .map(|term| {
+                let is_cjk_term = term.chars().any(is_cjk);
+                let field_queries: Vec<(Occur, Box<dyn Query>)> = fields
+                    .iter()
+                    .flat_map(|&field| {
+                        if is_cjk_term {
+                            let exact: Box<dyn Query> = Box::new(TermQuery::new(
+                                Term::from_field_text(field, term),
+                                IndexRecordOption::WithFreqs,
+                            ));
+                            vec![(Occur::Should, exact)]
+                        } else {
+                            let prefix: Box<dyn Query> = Box::new(PhrasePrefixQuery::new(
+                                vec![Term::from_field_text(field, term)],
+                            ));
+                            let fuzzy: Box<dyn Query> = Box::new(FuzzyTermQuery::new(
+                                Term::from_field_text(field, term),
+                                1,
+                                true,
+                            ));
+                            vec![(Occur::Should, prefix), (Occur::Should, fuzzy)]
+                        }
+                    })
+                    .collect();
+                let combined: Box<dyn Query> = Box::new(BooleanQuery::new(field_queries));
+                (Occur::Must, combined)
+            })
+            .collect();
+
+        let query = BooleanQuery::new(term_queries);
 
         let top_docs = searcher
             .search(&query, &TopDocs::with_limit(limit))

src-tauri/src/state.rs

@@ -3,12 +3,15 @@ use crate::types::AppConfig;
 use notify::RecommendedWatcher;
 use std::sync::atomic::AtomicBool;
 use std::sync::Mutex;
+use std::sync::Arc;
 
 pub struct AppState {
     pub config: Mutex<AppConfig>,
-    pub search_index: Mutex<Option<SearchIndex>>,
+    pub search_index: Mutex<Option<Arc<SearchIndex>>>,
     pub watcher: Mutex<Option<RecommendedWatcher>>,
     pub importing: AtomicBool,
+    pub syncing: AtomicBool,
+    pub pending_open_file: Mutex<Option<String>>,
 }
 
 impl AppState {
@@ -18,6 +21,8 @@ impl AppState {
             search_index: Mutex::new(None),
             watcher: Mutex::new(None),
             importing: AtomicBool::new(false),
+            syncing: AtomicBool::new(false),
+            pending_open_file: Mutex::new(None),
         }
     }
 }

src-tauri/src/sync.rs

@@ -0,0 +1,725 @@
+// WebDAV sync provider.
+//
+// Model: the vault stays local; this mirrors it to/from a user-configured WebDAV
+// remote (Nextcloud/ownCloud/NAS). A local manifest (.helixnotes/sync_state.json)
+// records what was in sync last time, so we can do a three-way diff (local vs remote
+// vs manifest) and resolve each file as upload/download/delete, with keep-both
+// conflict copies so nothing is ever lost.
+//
+// Synced set: every `*.md` in the vault tree, plus `.helixnotes/attachments/`.
+// Everything else under `.helixnotes/` (search_index, trash, history, *.json, the
+// manifest itself) is local-only and never synced.
+
+use crate::state::AppState;
+use crate::vault::operations::helixnotes_dir;
+use serde::{Deserialize, Serialize};
+use sha2::{Digest, Sha256};
+use std::collections::{HashMap, HashSet};
+use std::fs;
+use std::path::{Path, PathBuf};
+use tauri::{Emitter, Manager};
+use walkdir::WalkDir;
+
+// ───────────────────────── config ─────────────────────────
+
+pub struct WebdavConfig {
+    pub url: String,
+    pub username: String,
+    pub password: String,
+}
+
+#[derive(Default, Clone, Serialize)]
+pub struct SyncSummary {
+    pub uploaded: u32,
+    pub downloaded: u32,
+    pub deleted_local: u32,
+    pub deleted_remote: u32,
+    pub conflicts: u32,
+}
+
+// ───────────────────────── manifest ─────────────────────────
+
+#[derive(Default, Serialize, Deserialize)]
+struct SyncManifest {
+    files: HashMap<String, ManifestEntry>, // relpath (forward-slash) -> entry
+}
+
+#[derive(Clone, Serialize, Deserialize)]
+struct ManifestEntry {
+    local_hash: String,  // sha256 of local content at last sync
+    remote_etag: String, // remote etag at last sync
+}
+
+fn manifest_path(vault: &str) -> PathBuf {
+    helixnotes_dir(vault).join("sync_state.json")
+}
+
+fn load_manifest(vault: &str) -> SyncManifest {
+    fs::read_to_string(manifest_path(vault))
+        .ok()
+        .and_then(|s| serde_json::from_str(&s).ok())
+        .unwrap_or_default()
+}
+
+fn save_manifest(vault: &str, m: &SyncManifest) {
+    if let Ok(s) = serde_json::to_string(m) {
+        let _ = fs::write(manifest_path(vault), s);
+    }
+}
+
+// ───────────────────────── helpers ─────────────────────────
+
+fn sha256_hex(bytes: &[u8]) -> String {
+    let mut h = Sha256::new();
+    h.update(bytes);
+    let digest = h.finalize();
+    let mut s = String::with_capacity(64);
+    for b in digest {
+        s.push_str(&format!("{:02x}", b));
+    }
+    s
+}
+
+fn normalize_etag(s: &str) -> String {
+    s.trim().trim_start_matches("W/").trim_matches('"').to_string()
+}
+
+/// Percent-encode each path segment, keeping the `/` separators.
+fn encode_path(relpath: &str) -> String {
+    relpath
+        .split('/')
+        .map(|seg| urlencoding::encode(seg).into_owned())
+        .collect::<Vec<_>>()
+        .join("/")
+}
+
+/// Build the conflict-copy relpath: `dir/Note (conflict <stamp>).md`.
+fn conflict_relpath(relpath: &str, stamp: &str) -> String {
+    let (dir, name) = match relpath.rfind('/') {
+        Some(i) => (&relpath[..=i], &relpath[i + 1..]),
+        None => ("", relpath),
+    };
+    let (stem, ext) = match name.rfind('.') {
+        Some(i) => (&name[..i], &name[i..]),
+        None => (name, ""),
+    };
+    format!("{}{} (conflict {}){}", dir, stem, stamp, ext)
+}
+
+fn write_local(vault: &Path, relpath: &str, bytes: &[u8]) -> Result<(), String> {
+    let target = vault.join(relpath);
+    if let Some(parent) = target.parent() {
+        fs::create_dir_all(parent).map_err(|e| e.to_string())?;
+    }
+    fs::write(&target, bytes).map_err(|e| e.to_string())
+}
+
+struct LocalFile {
+    hash: String,
+    path: PathBuf,
+}
+
+/// The synced set: `*.md` anywhere outside `.helixnotes/`, plus everything under
+/// `.helixnotes/attachments/`. Applied to BOTH local and remote so pointing at a
+/// folder with unrelated files never drags them into the vault.
+fn is_synced_relpath(rel: &str) -> bool {
+    if rel.starts_with(".helixnotes/") {
+        rel.starts_with(".helixnotes/attachments/")
+    } else {
+        rel.ends_with(".md")
+    }
+}
+
+fn scan_local(vault: &str) -> Result<HashMap<String, LocalFile>, String> {
+    let vault_path = Path::new(vault);
+    let mut map = HashMap::new();
+    for entry in WalkDir::new(vault_path).into_iter().filter_map(|e| e.ok()) {
+        let p = entry.path();
+        if !p.is_file() {
+            continue;
+        }
+        let rel = match p.strip_prefix(vault_path) {
+            Ok(r) => r.to_string_lossy().replace('\\', "/"),
+            Err(_) => continue,
+        };
+        if !is_synced_relpath(&rel) {
+            continue;
+        }
+        let bytes = match fs::read(p) {
+            Ok(b) => b,
+            Err(_) => continue,
+        };
+        map.insert(
+            rel,
+            LocalFile {
+                hash: sha256_hex(&bytes),
+                path: p.to_path_buf(),
+            },
+        );
+    }
+    Ok(map)
+}
+
+// ───────────────────────── WebDAV client ─────────────────────────
+
+struct RemoteEntry {
+    relpath: String,
+    etag: String,
+    is_dir: bool,
+}
+
+struct WebdavClient {
+    base: String,      // normalized, no trailing slash
+    base_path: String, // path component of base, no trailing slash (percent-encoded)
+    client: reqwest::blocking::Client,
+    user: String,
+    pass: String,
+}
+
+impl WebdavClient {
+    fn new(cfg: WebdavConfig) -> Result<Self, String> {
+        let base = cfg.url.trim().trim_end_matches('/').to_string();
+        if !base.starts_with("http://") && !base.starts_with("https://") {
+            return Err("WebDAV URL must start with http:// or https://".to_string());
+        }
+        let base_url = reqwest::Url::parse(&base).map_err(|e| format!("Invalid URL: {e}"))?;
+        let base_path = base_url.path().trim_end_matches('/').to_string();
+        let client = reqwest::blocking::Client::builder()
+            .timeout(std::time::Duration::from_secs(60))
+            .build()
+            .map_err(|e| e.to_string())?;
+        Ok(Self {
+            base,
+            base_path,
+            client,
+            user: cfg.username,
+            pass: cfg.password,
+        })
+    }
+
+    fn url_for(&self, relpath: &str) -> String {
+        if relpath.is_empty() {
+            self.base.clone()
+        } else {
+            format!("{}/{}", self.base, encode_path(relpath))
+        }
+    }
+
+    fn propfind(&self, relpath: &str, depth: &str) -> Result<Vec<RemoteEntry>, String> {
+        let method = reqwest::Method::from_bytes(b"PROPFIND").unwrap();
+        let body = r#"<?xml version="1.0" encoding="utf-8"?><d:propfind xmlns:d="DAV:"><d:prop><d:getetag/><d:resourcetype/></d:prop></d:propfind>"#;
+        let resp = self
+            .client
+            .request(method, self.url_for(relpath))
+            .basic_auth(&self.user, Some(&self.pass))
+            .header("Depth", depth)
+            .header("Content-Type", "application/xml; charset=utf-8")
+            .body(body)
+            .send()
+            .map_err(|e| e.to_string())?;
+        let status = resp.status();
+        if status.as_u16() == 401 {
+            return Err("Authentication failed (check username / app password)".to_string());
+        }
+        if status.as_u16() == 404 {
+            return Err("WebDAV path not found (check the URL)".to_string());
+        }
+        if !status.is_success() {
+            return Err(format!("WebDAV PROPFIND failed: HTTP {}", status.as_u16()));
+        }
+        let text = resp.text().map_err(|e| e.to_string())?;
+        parse_multistatus(&text, &self.base_path)
+    }
+
+    /// Recursively list all files (relpath -> etag) by walking collections at Depth 1
+    /// (Depth: infinity is disabled on some servers, so we walk instead).
+    fn list(&self) -> Result<HashMap<String, String>, String> {
+        let mut files = HashMap::new();
+        let mut visited: HashSet<String> = HashSet::new();
+        let mut queue: Vec<String> = vec![String::new()];
+        while let Some(dir) = queue.pop() {
+            if !visited.insert(dir.clone()) {
+                continue;
+            }
+            for e in self.propfind(&dir, "1")? {
+                if e.relpath == dir {
+                    continue; // the collection itself
+                }
+                if e.is_dir {
+                    if !visited.contains(&e.relpath) {
+                        queue.push(e.relpath);
+                    }
+                } else {
+                    files.insert(e.relpath, e.etag);
+                }
+            }
+        }
+        Ok(files)
+    }
+
+    fn get(&self, relpath: &str) -> Result<Vec<u8>, String> {
+        let resp = self
+            .client
+            .get(self.url_for(relpath))
+            .basic_auth(&self.user, Some(&self.pass))
+            .send()
+            .map_err(|e| e.to_string())?;
+        if !resp.status().is_success() {
+            return Err(format!("GET {} failed: HTTP {}", relpath, resp.status().as_u16()));
+        }
+        Ok(resp.bytes().map_err(|e| e.to_string())?.to_vec())
+    }
+
+    fn put(&self, relpath: &str, bytes: &[u8]) -> Result<Option<String>, String> {
+        let resp = self
+            .client
+            .put(self.url_for(relpath))
+            .basic_auth(&self.user, Some(&self.pass))
+            .body(bytes.to_vec())
+            .send()
+            .map_err(|e| e.to_string())?;
+        if !resp.status().is_success() {
+            return Err(format!("PUT {} failed: HTTP {}", relpath, resp.status().as_u16()));
+        }
+        Ok(resp
+            .headers()
+            .get("etag")
+            .and_then(|h| h.to_str().ok())
+            .map(normalize_etag))
+    }
+
+    fn delete(&self, relpath: &str) -> Result<(), String> {
+        let resp = self
+            .client
+            .delete(self.url_for(relpath))
+            .basic_auth(&self.user, Some(&self.pass))
+            .send()
+            .map_err(|e| e.to_string())?;
+        let s = resp.status();
+        if s.is_success() || s.as_u16() == 404 {
+            Ok(())
+        } else {
+            Err(format!("DELETE {} failed: HTTP {}", relpath, s.as_u16()))
+        }
+    }
+
+    fn mkcol(&self, relpath: &str) -> Result<(), String> {
+        let method = reqwest::Method::from_bytes(b"MKCOL").unwrap();
+        let resp = self
+            .client
+            .request(method, self.url_for(relpath))
+            .basic_auth(&self.user, Some(&self.pass))
+            .send()
+            .map_err(|e| e.to_string())?;
+        let s = resp.status().as_u16();
+        // 201 created; 405 already exists; 301 redirect-to-existing.
+        if resp.status().is_success() || s == 405 || s == 301 {
+            Ok(())
+        } else {
+            Err(format!("MKCOL {} failed: HTTP {}", relpath, s))
+        }
+    }
+
+    /// Ensure every ancestor collection of `relpath` exists on the remote.
+    fn ensure_dirs(&self, relpath: &str, created: &mut HashSet<String>) -> Result<(), String> {
+        let parts: Vec<&str> = relpath.split('/').collect();
+        if parts.len() <= 1 {
+            return Ok(());
+        }
+        let mut cur = String::new();
+        for part in &parts[..parts.len() - 1] {
+            if !cur.is_empty() {
+                cur.push('/');
+            }
+            cur.push_str(part);
+            if created.insert(cur.clone()) {
+                self.mkcol(&cur)?;
+            }
+        }
+        Ok(())
+    }
+
+    /// Read a file's authoritative remote etag via a Depth-0 PROPFIND. The PUT-response
+    /// etag is unreliable across WebDAV servers (some omit it, some differ in format from
+    /// the getetag PROPFIND returns), so we always source the manifest etag from PROPFIND
+    /// to keep it consistent with future listings. (issue #147)
+    fn etag_for(&self, relpath: &str) -> String {
+        self.propfind(relpath, "0")
+            .ok()
+            .and_then(|es| es.into_iter().find(|e| !e.is_dir).map(|e| e.etag))
+            .unwrap_or_default()
+    }
+
+    /// PUT a file (creating parent collections first), then read back its authoritative
+    /// etag via PROPFIND. Returns the PROPFIND etag (empty if the server exposes no
+    /// getetag), NOT the PUT-response etag, which is unreliable across servers. (issue #147)
+    fn upload(
+        &self,
+        relpath: &str,
+        bytes: &[u8],
+        created: &mut HashSet<String>,
+    ) -> Result<String, String> {
+        self.ensure_dirs(relpath, created)?;
+        self.put(relpath, bytes)?; // PUT-response etag intentionally discarded
+        Ok(self.etag_for(relpath))
+    }
+}
+
+/// Map a WebDAV `href` to a vault-relative path (forward slash).
+/// `Ok(None)` is the base collection itself. `Err` means the href could not be mapped
+/// (e.g. it does not sit under the configured base path, as some providers like Infomaniak
+/// kDrive return). Callers MUST treat `Err` as a hard failure: silently dropping an
+/// unmappable href makes that file look deleted on the remote, and the reconciler then
+/// wipes the local copy. (issue #102)
+fn href_to_relpath(href: &str, base_path: &str) -> Result<Option<String>, String> {
+    // Pull out just the path component (some servers return absolute-URL hrefs).
+    let raw = if href.starts_with("http://") || href.starts_with("https://") {
+        reqwest::Url::parse(href)
+            .map_err(|e| format!("invalid remote href URL '{href}': {e}"))?
+            .path()
+            .to_string()
+    } else {
+        href.to_string()
+    };
+    // Compare DECODED paths, not the raw percent-encoded strings. Providers differ in how they
+    // encode hrefs: Infomaniak kDrive lowercases the hex (`%5b`/`%5d`) and encodes spaces, while
+    // reqwest emits uppercase hex (`%5B`/`%5D`) for base_path. A raw strip_prefix then spuriously
+    // fails, every remote file looks deleted, and the reconciler wipes the local copies. Decoding
+    // both sides first makes the prefix match encoding-agnostic. (issue #102)
+    let path = urlencoding::decode(raw.trim_end_matches('/'))
+        .map_err(|e| format!("bad percent-encoding in remote path '{raw}': {e}"))?
+        .into_owned();
+    let base = urlencoding::decode(base_path.trim_end_matches('/'))
+        .map_err(|e| format!("bad percent-encoding in WebDAV base path '{base_path}': {e}"))?
+        .into_owned();
+    let rest = match path.strip_prefix(&base) {
+        Some(r) => r.trim_start_matches('/'),
+        None => {
+            return Err(format!(
+                "remote path '{path}' is not under the configured WebDAV folder '{base}'. \
+                 Aborting before deleting anything locally - please report this URL."
+            ))
+        }
+    };
+    if rest.is_empty() {
+        return Ok(None); // the base collection itself
+    }
+    Ok(Some(rest.to_string()))
+}
+
+fn parse_multistatus(xml: &str, base_path: &str) -> Result<Vec<RemoteEntry>, String> {
+    use quick_xml::events::Event;
+    use quick_xml::reader::Reader;
+
+    #[derive(PartialEq)]
+    enum Cap {
+        None,
+        Href,
+        Etag,
+    }
+
+    let mut reader = Reader::from_str(xml);
+    let mut entries = Vec::new();
+    let mut href: Option<String> = None;
+    let mut etag: Option<String> = None;
+    let mut is_dir = false;
+    let mut cap = Cap::None;
+    let mut buf = String::new();
+
+    loop {
+        match reader.read_event() {
+            Ok(Event::Start(e)) => match e.local_name().as_ref() {
+                b"response" => {
+                    href = None;
+                    etag = None;
+                    is_dir = false;
+                }
+                b"href" => {
+                    cap = Cap::Href;
+                    buf.clear();
+                }
+                b"getetag" => {
+                    cap = Cap::Etag;
+                    buf.clear();
+                }
+                b"collection" => is_dir = true,
+                _ => {}
+            },
+            Ok(Event::Empty(e)) => {
+                if e.local_name().as_ref() == b"collection" {
+                    is_dir = true;
+                }
+            }
+            Ok(Event::Text(e)) => {
+                if cap != Cap::None {
+                    if let Ok(t) = e.unescape() {
+                        buf.push_str(&t);
+                    }
+                }
+            }
+            Ok(Event::End(e)) => match e.local_name().as_ref() {
+                b"href" => {
+                    href = Some(buf.clone());
+                    cap = Cap::None;
+                }
+                b"getetag" => {
+                    etag = Some(buf.clone());
+                    cap = Cap::None;
+                }
+                b"response" => {
+                    if let Some(h) = href.take() {
+                        if let Some(rel) = href_to_relpath(&h, base_path)? {
+                            entries.push(RemoteEntry {
+                                relpath: rel,
+                                etag: etag.take().map(|s| normalize_etag(&s)).unwrap_or_default(),
+                                is_dir,
+                            });
+                        }
+                    }
+                }
+                _ => {}
+            },
+            Ok(Event::Eof) => break,
+            Err(e) => return Err(format!("XML parse error: {e}")),
+            _ => {}
+        }
+    }
+    Ok(entries)
+}
+
+// ───────────────────────── sync engine ─────────────────────────
+
+fn apply_changes(
+    client: &WebdavClient,
+    vault: &str,
+    local: &HashMap<String, LocalFile>,
+    remote: &HashMap<String, String>,
+    manifest: &SyncManifest,
+) -> Result<(SyncManifest, SyncSummary), String> {
+    let vault_path = Path::new(vault);
+    let mut new_m = SyncManifest::default();
+    let mut sum = SyncSummary::default();
+    let mut created: HashSet<String> = HashSet::new();
+    let stamp = chrono::Local::now().format("%Y-%m-%d %H-%M-%S").to_string();
+
+    let mut keys: HashSet<&String> = HashSet::new();
+    keys.extend(local.keys());
+    keys.extend(remote.keys());
+    keys.extend(manifest.files.keys());
+
+    for key in keys {
+        let l = local.get(key);
+        let r = remote.get(key);
+        let m = manifest.files.get(key);
+
+        match (l, r) {
+            (Some(lf), Some(re)) => {
+                let local_changed = m.map_or(true, |me| me.local_hash != lf.hash);
+                let remote_changed = m.map_or(true, |me| &me.remote_etag != re);
+                if !local_changed && !remote_changed {
+                    new_m.files.insert(
+                        key.clone(),
+                        ManifestEntry {
+                            local_hash: lf.hash.clone(),
+                            remote_etag: re.clone(),
+                        },
+                    );
+                } else if local_changed && !remote_changed {
+                    let bytes = fs::read(&lf.path).map_err(|e| e.to_string())?;
+                    let etag = client.upload(key, &bytes, &mut created)?;
+                    new_m.files.insert(
+                        key.clone(),
+                        ManifestEntry {
+                            local_hash: lf.hash.clone(),
+                            remote_etag: etag,
+                        },
+                    );
+                    sum.uploaded += 1;
+                } else if !local_changed && remote_changed {
+                    let bytes = client.get(key)?;
+                    write_local(vault_path, key, &bytes)?;
+                    new_m.files.insert(
+                        key.clone(),
+                        ManifestEntry {
+                            local_hash: sha256_hex(&bytes),
+                            remote_etag: re.clone(),
+                        },
+                    );
+                    sum.downloaded += 1;
+                } else {
+                    // both changed: compare contents; identical => no real conflict.
+                    let rbytes = client.get(key)?;
+                    let rhash = sha256_hex(&rbytes);
+                    if rhash == lf.hash {
+                        new_m.files.insert(
+                            key.clone(),
+                            ManifestEntry {
+                                local_hash: lf.hash.clone(),
+                                remote_etag: re.clone(),
+                            },
+                        );
+                    } else {
+                        // keep-both: remote becomes canonical; local saved as a conflict copy.
+                        let lbytes = fs::read(&lf.path).map_err(|e| e.to_string())?;
+                        write_local(vault_path, key, &rbytes)?;
+                        new_m.files.insert(
+                            key.clone(),
+                            ManifestEntry {
+                                local_hash: rhash,
+                                remote_etag: re.clone(),
+                            },
+                        );
+                        let ckey = conflict_relpath(key, &stamp);
+                        write_local(vault_path, &ckey, &lbytes)?;
+                        let cetag = client.upload(&ckey, &lbytes, &mut created)?;
+                        new_m.files.insert(
+                            ckey,
+                            ManifestEntry {
+                                local_hash: sha256_hex(&lbytes),
+                                remote_etag: cetag,
+                            },
+                        );
+                        sum.conflicts += 1;
+                    }
+                }
+            }
+            (Some(lf), None) => match m {
+                None => {
+                    // new local -> upload
+                    let bytes = fs::read(&lf.path).map_err(|e| e.to_string())?;
+                    let etag = client.upload(key, &bytes, &mut created)?;
+                    new_m.files.insert(
+                        key.clone(),
+                        ManifestEntry {
+                            local_hash: lf.hash.clone(),
+                            remote_etag: etag,
+                        },
+                    );
+                    sum.uploaded += 1;
+                }
+                Some(me) => {
+                    if me.local_hash != lf.hash {
+                        // remote deleted but local edited -> resurrect (upload)
+                        let bytes = fs::read(&lf.path).map_err(|e| e.to_string())?;
+                        let etag = client.upload(key, &bytes, &mut created)?;
+                        new_m.files.insert(
+                            key.clone(),
+                            ManifestEntry {
+                                local_hash: lf.hash.clone(),
+                                remote_etag: etag,
+                            },
+                        );
+                        sum.uploaded += 1;
+                    } else {
+                        // remote deleted, local unchanged -> delete local
+                        let _ = fs::remove_file(&lf.path);
+                        sum.deleted_local += 1;
+                    }
+                }
+            },
+            (None, Some(re)) => match m {
+                None => {
+                    // new remote -> download
+                    let bytes = client.get(key)?;
+                    write_local(vault_path, key, &bytes)?;
+                    new_m.files.insert(
+                        key.clone(),
+                        ManifestEntry {
+                            local_hash: sha256_hex(&bytes),
+                            remote_etag: re.clone(),
+                        },
+                    );
+                    sum.downloaded += 1;
+                }
+                Some(me) => {
+                    if &me.remote_etag != re {
+                        // local deleted but remote changed -> resurrect (download)
+                        let bytes = client.get(key)?;
+                        write_local(vault_path, key, &bytes)?;
+                        new_m.files.insert(
+                            key.clone(),
+                            ManifestEntry {
+                                local_hash: sha256_hex(&bytes),
+                                remote_etag: re.clone(),
+                            },
+                        );
+                        sum.downloaded += 1;
+                    } else {
+                        // local deleted, remote unchanged -> delete remote
+                        client.delete(key)?;
+                        sum.deleted_remote += 1;
+                    }
+                }
+            },
+            (None, None) => {
+                // gone on both sides -> drop from manifest
+            }
+        }
+    }
+    Ok((new_m, sum))
+}
+
+/// Validate the connection (auth + URL) with a cheap PROPFIND.
+pub fn test_connection(cfg: WebdavConfig) -> Result<String, String> {
+    let client = WebdavClient::new(cfg)?;
+    client.propfind("", "0")?;
+    Ok("Connection successful".to_string())
+}
+
+/// Run a full sync. Mutes the file watcher while applying local writes, then
+/// rebuilds the search index. Returns a summary of what changed.
+pub fn run_sync(app: tauri::AppHandle, vault: String, cfg: WebdavConfig) -> Result<SyncSummary, String> {
+    use std::sync::atomic::Ordering;
+
+    let state = app.state::<AppState>();
+    let client = WebdavClient::new(cfg)?;
+
+    let _ = app.emit("sync-progress", serde_json::json!({ "status": "listing" }));
+    let remote: HashMap<String, String> = client
+        .list()?
+        .into_iter()
+        .filter(|(k, _)| is_synced_relpath(k))
+        .collect();
+    let local = scan_local(&vault)?;
+    let manifest = load_manifest(&vault);
+
+    // Safety guard (issue #102): never treat an empty remote listing as "everything was
+    // deleted remotely". If a prior sync exists (non-empty manifest) but the remote came back
+    // empty, it is almost certainly a listing failure (e.g. a provider whose paths we can't
+    // map), not a real mass-deletion - so abort instead of wiping local notes.
+    if remote.is_empty() && !manifest.files.is_empty() {
+        return Err(
+            "Sync aborted to protect your notes: the WebDAV server returned an empty file list \
+             even though files were synced before, so no local files were deleted. This usually \
+             means the server reports paths in a format the app can't read yet - please report \
+             your WebDAV provider and folder URL."
+                .to_string(),
+        );
+    }
+
+    let _ = app.emit("sync-progress", serde_json::json!({ "status": "syncing" }));
+    // Mute the watcher across local writes so a pull doesn't storm the reindex path.
+    state.importing.store(true, Ordering::Relaxed);
+    let applied = apply_changes(&client, &vault, &local, &remote, &manifest);
+    state.importing.store(false, Ordering::Relaxed);
+
+    let (new_manifest, summary) = applied?;
+    save_manifest(&vault, &new_manifest);
+
+    // Re-index after files changed (search is non-critical; ignore failures).
+    if let Ok(guard) = state.search_index.lock() {
+        if let Some(search) = guard.as_ref() {
+            let _ = search.rebuild(&vault);
+        }
+    }
+
+    // The watcher was muted during apply, so nudge the UI to refresh its lists.
+    let _ = app.emit(
+        "file-changed",
+        crate::types::FileEvent {
+            event_type: "modify".to_string(),
+            path: vault.clone(),
+        },
+    );
+    Ok(summary)
+}

src-tauri/src/types.rs

@@ -19,6 +19,20 @@ pub struct NoteEntry {
     pub preview: String,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TrashContents {
+    pub notes: Vec<NoteEntry>,
+    pub notebooks: Vec<TrashNotebookEntry>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TrashNotebookEntry {
+    pub name: String,
+    pub path: String,
+    pub note_count: usize,
+    pub modified: DateTime<Utc>,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct NotebookEntry {
     pub name: String,
@@ -54,9 +68,21 @@ pub struct AppConfig {
     #[serde(default)]
     pub font_family: Option<String>,
     #[serde(default)]
+    pub line_height: Option<f64>,
+    #[serde(default)]
+    pub ui_scale: Option<f64>,
+    #[serde(default)]
+    pub content_width: Option<u32>,
+    #[serde(default)]
     pub compact_notes: bool,
+    #[serde(default = "default_true")]
+    pub show_note_dates: bool,
     #[serde(default)]
     pub time_format: String,
+    #[serde(default = "default_week_start")]
+    pub week_start: String,
+    #[serde(default = "default_daily_title_format")]
+    pub daily_title_format: String,
     #[serde(default)]
     pub gpu_acceleration: bool,
     #[serde(default)]
@@ -70,6 +96,20 @@ pub struct AppConfig {
     #[serde(default)]
     pub hide_title_in_body: bool,
     #[serde(default)]
+    pub show_line_numbers: bool,
+    #[serde(default = "default_true")]
+    pub show_link_arrows: bool,
+    #[serde(default = "default_true")]
+    pub show_all_notes: bool,
+    #[serde(default = "default_true")]
+    pub show_quick_access: bool,
+    #[serde(default = "default_true")]
+    pub show_tasks: bool,
+    #[serde(default = "default_true")]
+    pub show_daily_notes: bool,
+    #[serde(default = "default_true")]
+    pub show_trash: bool,
+    #[serde(default)]
     pub backup_enabled: bool,
     #[serde(default = "default_backup_frequency")]
     pub backup_frequency: String,
@@ -89,6 +129,14 @@ pub struct AppConfig {
     pub ai_api_key: Option<String>,
     #[serde(default)]
     pub openai_api_key: Option<String>,
+    #[serde(default)]
+    pub ollama_base_url: Option<String>,
+    #[serde(default)]
+    pub ollama_api_key: Option<String>,
+    #[serde(default)]
+    pub openai_compatible_base_url: Option<String>,
+    #[serde(default)]
+    pub openai_compatible_api_key: Option<String>,
     #[serde(default = "default_ai_model")]
     pub ai_model: String,
     #[serde(default)]
@@ -101,6 +149,25 @@ pub struct AppConfig {
     pub close_to_tray: bool,
     #[serde(default = "default_true")]
     pub enable_wiki_links: bool,
+    #[serde(default)]
+    pub restore_last_session: bool,
+    // WebDAV sync (opt-in; all off by default). Endpoint is fully user-configured.
+    #[serde(default)]
+    pub sync_provider: Option<String>,
+    #[serde(default)]
+    pub webdav_url: Option<String>,
+    #[serde(default)]
+    pub webdav_username: Option<String>,
+    #[serde(default)]
+    pub webdav_password: Option<String>,
+    #[serde(default)]
+    pub sync_on_open: bool,
+    #[serde(default)]
+    pub sync_on_change: bool,
+    #[serde(default)]
+    pub sync_interval_minutes: u32,
+    #[serde(default)]
+    pub last_sync_time: Option<String>,
 }
 
 fn default_true() -> bool {
@@ -123,12 +190,20 @@ fn default_title_mode() -> String {
     "input".to_string()
 }
 
+fn default_week_start() -> String {
+    "monday".to_string()
+}
+
+fn default_daily_title_format() -> String {
+    "localized".to_string()
+}
+
 fn default_max_versions() -> u32 {
     20
 }
 
 fn default_ai_model() -> String {
-    "claude-sonnet-4-5-20250929".to_string()
+    "claude-sonnet-4-6".to_string()
 }
 
 impl Default for AppConfig {
@@ -140,14 +215,27 @@ impl Default for AppConfig {
             accent_color: None,
             font_size: None,
             font_family: None,
+            line_height: None,
+            ui_scale: None,
+            content_width: None,
             compact_notes: false,
+            show_note_dates: true,
             time_format: "relative".to_string(),
+            week_start: "monday".to_string(),
+            daily_title_format: "localized".to_string(),
             gpu_acceleration: true,
             autostart: false,
             pdf_preview: false,
             pdf_height: 600,
             title_mode: "input".to_string(),
             hide_title_in_body: false,
+            show_line_numbers: false,
+            show_link_arrows: true,
+            show_all_notes: true,
+            show_quick_access: true,
+            show_tasks: true,
+            show_daily_notes: true,
+            show_trash: true,
             backup_enabled: false,
             backup_frequency: "24h".to_string(),
             backup_max_count: 10,
@@ -158,12 +246,25 @@ impl Default for AppConfig {
             ai_provider: None,
             ai_api_key: None,
             openai_api_key: None,
-            ai_model: "claude-sonnet-4-5-20250929".to_string(),
+            ollama_base_url: None,
+            ollama_api_key: None,
+            openai_compatible_base_url: None,
+            openai_compatible_api_key: None,
+            ai_model: "claude-sonnet-4-6".to_string(),
             ai_writing_style: None,
             default_view_mode: false,
             show_tray_icon: false,
             close_to_tray: false,
             enable_wiki_links: true,
+            restore_last_session: false,
+            sync_provider: None,
+            webdav_url: None,
+            webdav_username: None,
+            webdav_password: None,
+            sync_on_open: false,
+            sync_on_change: false,
+            sync_interval_minutes: 0,
+            last_sync_time: None,
         }
     }
 }
@@ -175,7 +276,31 @@ pub struct VaultState {
     pub notelist_width: f64,
     pub sidebar_collapsed: bool,
     #[serde(default)]
+    pub notelist_collapsed: bool,
+    #[serde(default)]
     pub collapsed_notebooks: Vec<String>,
+    #[serde(default)]
+    pub notebook_sort_mode: String,
+    #[serde(default)]
+    pub notebook_order: std::collections::HashMap<String, i32>,
+    #[serde(default)]
+    pub note_order: std::collections::HashMap<String, i32>,
+    #[serde(default)]
+    pub sort_mode: String,
+    #[serde(default)]
+    pub last_view_mode: String,
+    #[serde(default)]
+    pub last_notebook: Option<String>,
+    #[serde(default)]
+    pub last_tag: Option<String>,
+    #[serde(default)]
+    pub tasks_layout: String,
+    #[serde(default = "default_true")]
+    pub tasks_hide_completed: bool,
+    #[serde(default)]
+    pub tasks_only_flagged: bool,
+    #[serde(default)]
+    pub tasks_sort: String,
 }
 
 impl Default for VaultState {
@@ -185,7 +310,19 @@ impl Default for VaultState {
             sidebar_width: 220.0,
             notelist_width: 280.0,
             sidebar_collapsed: false,
+            notelist_collapsed: false,
             collapsed_notebooks: Vec::new(),
+            notebook_sort_mode: String::new(),
+            notebook_order: std::collections::HashMap::new(),
+            note_order: std::collections::HashMap::new(),
+            sort_mode: String::new(),
+            last_view_mode: String::new(),
+            last_notebook: None,
+            last_tag: None,
+            tasks_layout: String::new(),
+            tasks_hide_completed: true,
+            tasks_only_flagged: false,
+            tasks_sort: String::new(),
         }
     }
 }
@@ -245,3 +382,34 @@ pub struct NoteTitleEntry {
     pub title: String,
     pub path: String,
 }
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GraphData {
+    pub nodes: Vec<GraphNode>,
+    pub edges: Vec<GraphEdge>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GraphNode {
+    pub title: String,
+    pub path: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GraphEdge {
+    pub source: usize,
+    pub target: usize,
+    pub bidirectional: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TaskItem {
+    pub note_path: String,
+    pub note_title: String,
+    pub line: usize,
+    pub raw_line: String,
+    pub text: String,
+    pub completed: bool,
+    pub due: Option<String>,
+    pub priority: Option<String>,
+}

src-tauri/src/vault/frontmatter.rs

@@ -61,7 +61,7 @@ pub fn parse_note(raw: &str, filename: &str) -> (NoteMeta, String) {
         .and_then(|s| parse_date_flexible(&s))
         .unwrap_or_else(Utc::now);
 
-    // Don't generate UUID on read — empty string signals "no ID yet"
+    // Don't generate UUID on read - empty string signals "no ID yet"
     let id = fm.id.unwrap_or_default();
 
     let meta = NoteMeta {
@@ -77,6 +77,29 @@ pub fn parse_note(raw: &str, filename: &str) -> (NoteMeta, String) {
     (meta, content)
 }
 
+/// Ensure the body starts with `# Title` heading for external app compatibility.
+/// If the body already starts with `# Title`, leave it as-is.
+fn ensure_title_heading(body: &str, title: &str) -> String {
+    let trimmed = body.trim_start();
+
+    // Check if body already starts with `# Title`
+    if let Some(rest) = trimmed.strip_prefix("# ") {
+        let first_line_end = rest.find('\n').unwrap_or(rest.len());
+        let heading_text = rest[..first_line_end].trim();
+        if heading_text.eq_ignore_ascii_case(title.trim()) {
+            return body.to_string();
+        }
+    }
+
+    // Don't add heading to empty notes (new/blank notes)
+    if trimmed.is_empty() {
+        return body.to_string();
+    }
+
+    // Prepend `# Title` heading
+    format!("# {}\n\n{}", title, body)
+}
+
 pub fn serialize_frontmatter(meta: &NoteMeta) -> String {
     let tags_str = if meta.tags.is_empty() {
         "[]".to_string()
@@ -104,7 +127,8 @@ pub fn serialize_frontmatter(meta: &NoteMeta) -> String {
 
 pub fn update_note_raw(meta: &NoteMeta, body: &str) -> String {
     let fm = serialize_frontmatter(meta);
-    format!("{}{}", fm, body)
+    let body_with_heading = ensure_title_heading(body, &meta.title);
+    format!("{}{}", fm, body_with_heading)
 }
 
 /// Merge NoteMeta fields into existing frontmatter, preserving unknown YAML keys.
@@ -163,7 +187,8 @@ pub fn merge_frontmatter(original_raw: &str, meta: &NoteMeta, body: &str) -> Str
         Err(_) => return update_note_raw(meta, body),
     };
 
-    format!("---\n{}---\n{}", yaml_str, body)
+    let body_with_heading = ensure_title_heading(body, &meta.title);
+    format!("---\n{}---\n{}", yaml_str, body_with_heading)
 }
 
 fn filename_to_title(filename: &str) -> String {
@@ -284,7 +309,7 @@ fn strip_html_and_markdown(input: &str) -> String {
             continue;
         }
 
-        // Markdown links: [text](url) — keep the text, skip the URL
+        // Markdown links: [text](url) - keep the text, skip the URL
         if ch == '[' {
             let mut link_text = String::new();
             let mut depth = 1;

src-tauri/src/vault/operations.rs

@@ -1,6 +1,6 @@
-use crate::types::{NoteContent, NoteEntry, NoteMeta, NotebookEntry, VaultState};
+use crate::types::{NoteContent, NoteEntry, NoteMeta, NotebookEntry, TrashContents, TrashNotebookEntry, VaultState};
 use crate::vault::frontmatter;
-use chrono::{Local, Utc};
+use chrono::{DateTime, Local, Locale, Utc};
 use rayon::prelude::*;
 use std::fs;
 use std::io::Read;
@@ -59,11 +59,13 @@ fn scan_dir_recursive(dir: &Path, vault_root: &str) -> Vec<NotebookEntry> {
         return entries;
     };
 
+    // Collect subdirs (root level only lists directories, note counts come from scan_dir_with_count)
     let mut dirs: Vec<_> = read_dir
         .filter_map(|e| e.ok())
         .filter(|e| {
-            let path = e.path();
-            path.is_dir() && !is_hidden(&path)
+            e.file_type().map(|ft| ft.is_dir()).unwrap_or(false)
+                && !is_hidden(&e.path())
+                && e.file_name().to_string_lossy() != "Daily"
         })
         .collect();
 
@@ -74,6 +76,8 @@ fn scan_dir_recursive(dir: &Path, vault_root: &str) -> Vec<NotebookEntry> {
             .cmp(&b.file_name().to_string_lossy().to_lowercase())
     });
 
+    // Store note_count for the parent directory (used when this is the top-level call)
+    // Each directory pushes its own entry with its own note_count
     for dir_entry in dirs {
         let path = dir_entry.path();
         let name = dir_entry.file_name().to_string_lossy().to_string();
@@ -83,77 +87,189 @@ fn scan_dir_recursive(dir: &Path, vault_root: &str) -> Vec<NotebookEntry> {
             .to_string_lossy()
             .to_string();
 
-        let children = scan_dir_recursive(&path, vault_root);
-        let note_count = count_notes_in_dir(&path);
+        let (children, child_note_count) = scan_dir_with_count(&path, vault_root);
 
         entries.push(NotebookEntry {
             name,
             path: path.to_string_lossy().to_string(),
             relative_path: relative,
             children,
-            note_count,
+            note_count: child_note_count,
         });
     }
 
     entries
 }
 
-fn count_notes_in_dir(dir: &Path) -> usize {
-    fs::read_dir(dir)
-        .map(|rd| {
-            rd.filter_map(|e| e.ok())
-                .filter(|e| {
-                    let path = e.path();
-                    path.is_file() && path.extension().and_then(|x| x.to_str()) == Some("md")
-                })
-                .count()
-        })
-        .unwrap_or(0)
+/// Combined scan: returns (children, note_count) in a single read_dir pass.
+fn scan_dir_with_count(dir: &Path, vault_root: &str) -> (Vec<NotebookEntry>, usize) {
+    let root = Path::new(vault_root);
+
+    let Ok(read_dir) = fs::read_dir(dir) else {
+        return (Vec::new(), 0);
+    };
+
+    let mut subdirs = Vec::new();
+    let mut note_count = 0usize;
+    for entry in read_dir.filter_map(|e| e.ok()) {
+        let ft = match entry.file_type() {
+            Ok(ft) => ft,
+            Err(_) => continue,
+        };
+        if ft.is_dir() && !is_hidden(&entry.path()) {
+            subdirs.push(entry);
+        } else if ft.is_file() && entry.path().extension().and_then(|x| x.to_str()) == Some("md") {
+            note_count += 1;
+        }
+    }
+
+    subdirs.sort_by(|a, b| {
+        a.file_name()
+            .to_string_lossy()
+            .to_lowercase()
+            .cmp(&b.file_name().to_string_lossy().to_lowercase())
+    });
+
+    let mut entries = Vec::new();
+    for dir_entry in subdirs {
+        let path = dir_entry.path();
+        let name = dir_entry.file_name().to_string_lossy().to_string();
+        let relative = path
+            .strip_prefix(root)
+            .unwrap_or(&path)
+            .to_string_lossy()
+            .to_string();
+
+        let (children, child_note_count) = scan_dir_with_count(&path, vault_root);
+
+        entries.push(NotebookEntry {
+            name,
+            path: path.to_string_lossy().to_string(),
+            relative_path: relative,
+            children,
+            note_count: child_note_count,
+        });
+    }
+
+    (entries, note_count)
 }
 
-fn is_hidden(path: &Path) -> bool {
+pub(crate) fn is_hidden(path: &Path) -> bool {
     path.file_name()
         .and_then(|n| n.to_str())
-        .map(|n| n.starts_with('.'))
+        .map(|n| {
+            n.starts_with('.')
+                || matches!(
+                    n,
+                    "_res" | "_resources" | "_attachments" | "_assets" | "assets" | "node_modules"
+                )
+        })
         .unwrap_or(false)
 }
 
+pub fn count_root_notes(vault_path: &str) -> Result<usize, String> {
+    let root = Path::new(vault_path);
+    if !root.exists() {
+        return Err("Vault path does not exist".to_string());
+    }
+    let count = fs::read_dir(root)
+        .map_err(|e| e.to_string())?
+        .filter_map(|e| e.ok())
+        .filter(|e| {
+            e.file_type().map(|ft| ft.is_file()).unwrap_or(false)
+                && e.path().extension().and_then(|x| x.to_str()) == Some("md")
+        })
+        .count();
+    Ok(count)
+}
+
 pub fn scan_notes(vault_path: &str, notebook_path: Option<&str>) -> Result<Vec<NoteEntry>, String> {
     let scan_path = notebook_path.unwrap_or(vault_path);
     let root = Path::new(scan_path);
     let vault_root = Path::new(vault_path);
 
+    log::info!("scan_notes: vault={}, scan={}, exists={}", vault_path, scan_path, root.exists());
+
     if !root.exists() {
         return Err("Path does not exist".to_string());
     }
 
-    let md_files: Vec<PathBuf> = if notebook_path.is_some() {
-        // Only direct children for a specific notebook
-        fs::read_dir(root)
-            .map_err(|e| e.to_string())?
-            .filter_map(|e| e.ok())
-            .map(|e| e.path())
-            .filter(|p| p.is_file() && p.extension().and_then(|x| x.to_str()) == Some("md"))
-            .collect()
-    } else {
-        // Recursive for "All Notes"
-        WalkDir::new(root)
-            .into_iter()
-            .filter_map(|e| e.ok())
-            .filter(|e| !is_hidden(e.path()) && !e.path().starts_with(&helixnotes_dir(vault_path)))
-            .map(|e| e.path().to_path_buf())
-            .filter(|p| p.is_file() && p.extension().and_then(|x| x.to_str()) == Some("md"))
-            .collect()
-    };
+    // On mobile, use metadata-only scan (no file reads) for fast listing on sandboxed FS
+    #[cfg(mobile)]
+    {
+        let mut notes = Vec::new();
+        // Log what read_dir sees
+        if let Ok(rd) = fs::read_dir(root) {
+            let items: Vec<_> = rd.filter_map(|e| e.ok()).collect();
+            log::info!("scan_notes: read_dir found {} entries in {:?}", items.len(), root);
+            for (i, entry) in items.iter().enumerate().take(5) {
+                let ft = entry.file_type().map(|ft| if ft.is_file() { "file" } else if ft.is_dir() { "dir" } else { "other" }).unwrap_or("err");
+                log::info!("  [{}] {:?} type={}", i, entry.file_name(), ft);
+            }
+        } else {
+            log::info!("scan_notes: read_dir FAILED for {:?}", root);
+        }
 
-    // Process files in parallel with partial reads
-    let mut notes: Vec<NoteEntry> = md_files
-        .par_iter()
-        .filter_map(|path| read_note_entry_fast(path, vault_root).ok())
-        .collect();
+        if notebook_path.is_some() {
+            if let Ok(rd) = fs::read_dir(root) {
+                for entry in rd.filter_map(|e| e.ok()) {
+                    let is_file = entry.file_type().map(|ft| ft.is_file()).unwrap_or(false);
+                    if is_file && entry.path().extension().and_then(|x| x.to_str()) == Some("md") {
+                        if let Ok(note) = read_note_entry_metadata_only(&entry.path(), vault_root) {
+                            notes.push(note);
+                        }
+                    }
+                }
+            }
+        } else {
+            let hn_dir = helixnotes_dir(vault_path);
+            for entry in WalkDir::new(root)
+                .into_iter()
+                // filter_entry skips descending into hidden dirs (unlike filter)
+                .filter_entry(|e| !is_hidden(e.path()) && !e.path().starts_with(&hn_dir))
+                .filter_map(|e| e.ok())
+                .filter(|e| {
+                    e.file_type().is_file()
+                        && e.path().extension().and_then(|x| x.to_str()) == Some("md")
+                })
+            {
+                if let Ok(note) = read_note_entry_metadata_only(entry.path(), vault_root) {
+                    notes.push(note);
+                }
+            }
+        }
+        log::info!("scan_notes: mobile scan found {} notes", notes.len());
+        notes.sort_by(|a, b| b.meta.modified.cmp(&a.meta.modified));
+        return Ok(notes);
+    }
 
-    notes.sort_by(|a, b| b.meta.modified.cmp(&a.meta.modified));
-    Ok(notes)
+    #[cfg(desktop)]
+    {
+        let md_files: Vec<PathBuf> = if notebook_path.is_some() {
+            fs::read_dir(root)
+                .map_err(|e| e.to_string())?
+                .filter_map(|e| e.ok())
+                .map(|e| e.path())
+                .filter(|p| p.is_file() && p.extension().and_then(|x| x.to_str()) == Some("md"))
+                .collect()
+        } else {
+            WalkDir::new(root)
+                .into_iter()
+                .filter_entry(|e| !is_hidden(e.path()) && !e.path().starts_with(&helixnotes_dir(vault_path)))
+                .filter_map(|e| e.ok())
+                .map(|e| e.path().to_path_buf())
+                .filter(|p| p.is_file() && p.extension().and_then(|x| x.to_str()) == Some("md"))
+                .collect()
+        };
+
+        let mut notes: Vec<NoteEntry> = md_files
+            .par_iter()
+            .filter_map(|path| read_note_entry_fast(path, vault_root).ok())
+            .collect();
+
+        notes.sort_by(|a, b| b.meta.modified.cmp(&a.meta.modified));
+        Ok(notes)
+    }
 }
 
 fn read_note_entry(path: &Path, vault_root: &Path) -> Result<NoteEntry, String> {
@@ -161,6 +277,51 @@ fn read_note_entry(path: &Path, vault_root: &Path) -> Result<NoteEntry, String>
     read_note_entry_from_str(&raw, path, vault_root)
 }
 
+/// Android-only: reads just the frontmatter (first 2KB) for tags/title/pinned,
+/// uses filesystem timestamps for dates. No preview text.
+#[cfg(mobile)]
+fn read_note_entry_metadata_only(path: &Path, vault_root: &Path) -> Result<NoteEntry, String> {
+    // Read first 2KB - enough for frontmatter with tags, title, pinned
+    let mut file = fs::File::open(path).map_err(|e| e.to_string())?;
+    let mut buf = vec![0u8; 2048];
+    let bytes_read = file.read(&mut buf).map_err(|e| e.to_string())?;
+    buf.truncate(bytes_read);
+    let raw = String::from_utf8_lossy(&buf);
+
+    let filename = path
+        .file_name()
+        .unwrap_or_default()
+        .to_string_lossy()
+        .to_string();
+
+    let (mut meta, content) = frontmatter::parse_note(&raw, &filename);
+
+    // Always use filesystem timestamps on Android (faster than parsing date strings)
+    if let Ok(fs_meta) = fs::metadata(path) {
+        if let Ok(m) = fs_meta.modified() {
+            meta.modified = m.into();
+        }
+        if let Ok(c) = fs_meta.created() {
+            meta.created = c.into();
+        }
+    }
+
+    let relative = path
+        .strip_prefix(vault_root)
+        .unwrap_or(path)
+        .to_string_lossy()
+        .to_string();
+
+    let preview = frontmatter::extract_preview(&content, 120);
+
+    Ok(NoteEntry {
+        path: path.to_string_lossy().to_string(),
+        relative_path: relative,
+        meta,
+        preview,
+    })
+}
+
 /// Fast version: reads only the first ~2KB of the file (enough for frontmatter + preview).
 fn read_note_entry_fast(path: &Path, vault_root: &Path) -> Result<NoteEntry, String> {
     let mut file = fs::File::open(path).map_err(|e| e.to_string())?;
@@ -225,7 +386,26 @@ pub fn read_note(path: &str) -> Result<NoteContent, String> {
         .to_string_lossy()
         .to_string();
 
-    let (meta, content) = frontmatter::parse_note(&raw, &filename);
+    let (mut meta, content) = frontmatter::parse_note(&raw, &filename);
+
+    // Fall back to filesystem times when the frontmatter has no created/modified, matching the
+    // note-list scan (read_note_entry_from_str). Without this, a missing `created:` defaults to
+    // Utc::now() here and then gets written to disk on the next save (e.g. a title change),
+    // resetting the create date of imported/frontmatter-less notes. (issue #139)
+    let has_created = raw.contains("\ncreated:") || raw.starts_with("created:");
+    let has_modified = raw.contains("\nmodified:") || raw.starts_with("modified:");
+    if let Ok(fs_meta) = fs::metadata(p) {
+        if !has_modified {
+            if let Ok(modified) = fs_meta.modified() {
+                meta.modified = modified.into();
+            }
+        }
+        if !has_created {
+            if let Ok(created) = fs_meta.created() {
+                meta.created = created.into();
+            }
+        }
+    }
 
     Ok(NoteContent {
         path: path.to_string(),
@@ -308,10 +488,78 @@ pub fn create_note(
     })
 }
 
-pub fn create_daily_note(vault_path: &str) -> Result<NoteEntry, String> {
-    let today = Local::now();
-    let date_str = today.format("%Y-%m-%d").to_string();
-    let title = today.format("%B %d, %Y").to_string();
+fn get_system_locale() -> Locale {
+    let sys = sys_locale::get_locale().unwrap_or_else(|| "en-US".to_string());
+    let lang = sys.split(&['-', '_', '.'][..]).next().unwrap_or("en");
+    match lang {
+        "af" => Locale::af_ZA,
+        "ar" => Locale::ar_SA,
+        "be" => Locale::be_BY,
+        "bg" => Locale::bg_BG,
+        "ca" => Locale::ca_ES,
+        "cs" => Locale::cs_CZ,
+        "da" => Locale::da_DK,
+        "de" => Locale::de_DE,
+        "el" => Locale::el_GR,
+        "es" => Locale::es_ES,
+        "et" => Locale::et_EE,
+        "fi" => Locale::fi_FI,
+        "fr" => Locale::fr_FR,
+        "he" => Locale::he_IL,
+        "hi" => Locale::hi_IN,
+        "hr" => Locale::hr_HR,
+        "hu" => Locale::hu_HU,
+        "id" => Locale::id_ID,
+        "is" => Locale::is_IS,
+        "it" => Locale::it_IT,
+        "ja" => Locale::ja_JP,
+        "ka" => Locale::ka_GE,
+        "ko" => Locale::ko_KR,
+        "lt" => Locale::lt_LT,
+        "lv" => Locale::lv_LV,
+        "mk" => Locale::mk_MK,
+        "nb" | "no" => Locale::nb_NO,
+        "nl" => Locale::nl_NL,
+        "nn" => Locale::nn_NO,
+        "pl" => Locale::pl_PL,
+        "pt" => Locale::pt_BR,
+        "ro" => Locale::ro_RO,
+        "ru" => Locale::ru_RU,
+        "sk" => Locale::sk_SK,
+        "sl" => Locale::sl_SI,
+        "sq" => Locale::sq_AL,
+        "sr" => Locale::sr_RS,
+        "sv" => Locale::sv_SE,
+        "th" => Locale::th_TH,
+        "tr" => Locale::tr_TR,
+        "uk" => Locale::uk_UA,
+        "vi" => Locale::vi_VN,
+        "zh" => Locale::zh_CN,
+        _ => Locale::en_US,
+    }
+}
+
+pub fn create_daily_note(
+    vault_path: &str,
+    date: Option<&str>,
+    format: &str,
+) -> Result<NoteEntry, String> {
+    let target_date = match date {
+        Some(d) => chrono::NaiveDate::parse_from_str(d, "%Y-%m-%d")
+            .map_err(|e| format!("Invalid date: {}", e))?,
+        None => Local::now().date_naive(),
+    };
+    let date_str = target_date.format("%Y-%m-%d").to_string();
+    let title = match format {
+        "iso" => target_date.format("%Y-%m-%d").to_string(),
+        "long" => target_date.format("%B %-d, %Y").to_string(),
+        "us" => target_date.format("%m/%d/%Y").to_string(),
+        "eu" => target_date.format("%d/%m/%Y").to_string(),
+        _ => {
+            let locale = get_system_locale();
+            target_date.format_localized("%B %d, %Y", locale).to_string()
+        }
+    };
 
     let dir = Path::new(vault_path).join("Daily");
     fs::create_dir_all(&dir).map_err(|e| e.to_string())?;
@@ -426,17 +674,26 @@ pub fn delete_notebook(vault_path: &str, notebook_path: &str) -> Result<(), Stri
     let trash_name = format!("{}_{}", timestamp, dirname);
     let dest = trash_dir.join(&trash_name);
 
+    // Save original relative path in a sidecar .meta file for restore
+    let relative = src
+        .strip_prefix(vault_path)
+        .unwrap_or(src)
+        .to_string_lossy()
+        .to_string();
+    let meta_path = trash_dir.join(format!("{}.meta", trash_name));
+    let _ = fs::write(&meta_path, &relative);
+
     fs::rename(src, dest).map_err(|e| e.to_string())?;
     Ok(())
 }
 
-pub fn rename_note(path: &str, new_title: &str) -> Result<String, String> {
+pub fn rename_note(path: &str, new_title: &str, vault_path: &str) -> Result<String, String> {
     let src = Path::new(path);
     if !src.exists() {
         return Err("Note does not exist".to_string());
     }
 
-    // Update frontmatter
+    // Read old title before renaming
     let raw = fs::read_to_string(src).map_err(|e| e.to_string())?;
     let filename = src
         .file_name()
@@ -444,6 +701,10 @@ pub fn rename_note(path: &str, new_title: &str) -> Result<String, String> {
         .to_string_lossy()
         .to_string();
     let (mut meta, content) = frontmatter::parse_note(&raw, &filename);
+    let old_title = meta.title.clone();
+    let old_path_str = src.to_string_lossy().to_string();
+
+    // Update frontmatter
     meta.title = new_title.to_string();
     meta.modified = Utc::now();
     if meta.id.is_empty() {
@@ -460,7 +721,134 @@ pub fn rename_note(path: &str, new_title: &str) -> Result<String, String> {
         fs::rename(src, &new_path).map_err(|e| e.to_string())?;
     }
 
-    Ok(new_path.to_string_lossy().to_string())
+    let new_path_str = new_path.to_string_lossy().to_string();
+
+    // Update wikilinks in other notes that reference this note
+    update_wikilinks_after_rename(vault_path, &old_path_str, &new_path_str, &old_title, new_title);
+
+    Ok(new_path_str)
+}
+
+/// Walk all .md files in the vault and update wikilink references after a note rename.
+/// Updates both HTML data-attributes (data-path, data-title) and raw [[old_title]] references.
+fn update_wikilinks_after_rename(
+    vault_path: &str,
+    old_path: &str,
+    new_path: &str,
+    old_title: &str,
+    new_title: &str,
+) {
+    let vault = Path::new(vault_path);
+    let hn_dir = helixnotes_dir(vault_path);
+
+    // Vault-relative path ref (without .md), normalized to forward slashes so it
+    // matches [[folder/note]] wikilinks on Windows (OS paths use backslashes there).
+    let rel_ref = |p: &str| -> String {
+        let rel = Path::new(p)
+            .strip_prefix(vault)
+            .map(|r| r.to_string_lossy().into_owned())
+            .unwrap_or_else(|_| p.to_string())
+            .replace('\\', "/");
+        rel.strip_suffix(".md").unwrap_or(&rel).to_string()
+    };
+    let old_rel_ref = rel_ref(old_path);
+    let new_rel_ref = rel_ref(new_path);
+
+    // Check if another note with the same old_title exists in the vault.
+    // If so, title-based replacements (rules 1-3) are ambiguous and must be skipped,
+    // because we can't tell which [[Old Title]] ref points to the renamed note
+    // vs. the other note with the same title.
+    let title_is_unique = !WalkDir::new(vault)
+        .into_iter()
+        .filter_entry(|e| !is_hidden(e.path()) && !e.path().starts_with(&hn_dir))
+        .filter_map(|e| e.ok())
+        .any(|e| {
+            let p = e.path();
+            if !p.is_file() || p.to_string_lossy().as_ref() == new_path {
+                return false;
+            }
+            if p.extension().and_then(|ext| ext.to_str()) != Some("md") {
+                return false;
+            }
+            // Check if this note's filename (without .md) matches the old title
+            p.file_stem()
+                .and_then(|s| s.to_str())
+                .map(|s| s.eq_ignore_ascii_case(old_title))
+                .unwrap_or(false)
+        });
+
+    for entry in WalkDir::new(vault)
+        .into_iter()
+        .filter_entry(|e| !is_hidden(e.path()) && !e.path().starts_with(&hn_dir))
+        .filter_map(|e| e.ok())
+    {
+        let path = entry.path();
+        if !path.is_file() { continue; }
+        let path_str = path.to_string_lossy();
+        if path.extension().and_then(|e| e.to_str()) != Some("md") { continue; }
+        // Skip the renamed note itself
+        if *path_str == *new_path { continue; }
+
+        let content = match fs::read_to_string(path) {
+            Ok(c) => c,
+            Err(_) => continue,
+        };
+
+        let mut result = content.clone();
+
+        // Notes are saved as markdown with [[ref]] or [[ref|display]] syntax.
+        // Update all wikilink forms that reference the renamed note:
+
+        // Title-based rules only apply when the old title is unique in the vault.
+        // If another note shares the same title, these would be ambiguous.
+        if old_title != new_title && title_is_unique {
+            // 1. Short title ref: [[Old Title]] → [[New Title]]
+            result = result.replace(
+                &format!("[[{}]]", old_title),
+                &format!("[[{}]]", new_title),
+            );
+
+            // 2. Short title with alias: [[Old Title|display]] → [[New Title|display]]
+            result = result.replace(
+                &format!("[[{}|", old_title),
+                &format!("[[{}|", new_title),
+            );
+
+            // 3. Short title as alias display: [[ref|Old Title]] → [[ref|New Title]]
+            result = result.replace(
+                &format!("|{}]]", old_title),
+                &format!("|{}]]", new_title),
+            );
+        }
+
+        // Path-based rules are always safe (paths are unique).
+        if old_rel_ref != new_rel_ref {
+            // 4. Path-based ref: [[folder/Old Name]] → [[folder/New Name]]
+            result = result.replace(
+                &format!("[[{}]]", old_rel_ref),
+                &format!("[[{}]]", new_rel_ref),
+            );
+
+            // 5. Path-based ref with alias: [[folder/Old Name|display]] → [[folder/New Name|display]]
+            //    Also update the alias if it matches the old title.
+            //    e.g. [[folder/Old Name|Old Title]] → [[folder/New Name|New Title]]
+            if old_title != new_title {
+                result = result.replace(
+                    &format!("[[{}|{}]]", old_rel_ref, old_title),
+                    &format!("[[{}|{}]]", new_rel_ref, new_title),
+                );
+            }
+            // For aliases that DON'T match the old title, just update the ref part
+            result = result.replace(
+                &format!("[[{}|", old_rel_ref),
+                &format!("[[{}|", new_rel_ref),
+            );
+        }
+
+        if result != content {
+            let _ = fs::write(path, &result);
+        }
+    }
 }
 
 pub fn rename_notebook(path: &str, new_name: &str) -> Result<String, String> {
@@ -528,14 +916,29 @@ pub fn move_notebook(notebook_path: &str, dest_parent: &str) -> Result<String, S
     Ok(dest.to_string_lossy().to_string())
 }
 
-pub fn get_trash_notes(vault_path: &str) -> Result<Vec<NoteEntry>, String> {
+/// Remove a directory inside trash if it's empty (after restoring/deleting its last note).
+fn cleanup_empty_trash_dir(vault_path: &str, dir: Option<&Path>) {
+    let trash_dir = helixnotes_dir(vault_path).join("trash");
+    if let Some(d) = dir {
+        if d != trash_dir && d.starts_with(&trash_dir) {
+            if let Ok(mut entries) = fs::read_dir(d) {
+                if entries.next().is_none() {
+                    let _ = fs::remove_dir(d);
+                }
+            }
+        }
+    }
+}
+
+pub fn get_trash_contents(vault_path: &str) -> Result<TrashContents, String> {
     let trash_dir = helixnotes_dir(vault_path).join("trash");
     if !trash_dir.exists() {
-        return Ok(Vec::new());
+        return Ok(TrashContents { notes: Vec::new(), notebooks: Vec::new() });
     }
 
     let vault_root = Path::new(vault_path);
     let mut notes = Vec::new();
+    let mut notebooks = Vec::new();
 
     for entry in fs::read_dir(&trash_dir).map_err(|e| e.to_string())? {
         let entry = entry.map_err(|e| e.to_string())?;
@@ -544,11 +947,38 @@ pub fn get_trash_notes(vault_path: &str) -> Result<Vec<NoteEntry>, String> {
             if let Ok(note) = read_note_entry(&path, vault_root) {
                 notes.push(note);
             }
+        } else if path.is_dir() {
+            let note_count = WalkDir::new(&path)
+                .min_depth(1)
+                .into_iter()
+                .filter_map(|e| e.ok())
+                .filter(|e| e.path().is_file() && e.path().extension().and_then(|x| x.to_str()) == Some("md"))
+                .count();
+            let dirname = path.file_name().unwrap_or_default().to_string_lossy();
+            // Strip timestamp prefix to get original notebook name
+            let name = if dirname.len() > 18 && dirname.chars().nth(17) == Some('_') {
+                dirname[18..].to_string()
+            } else if dirname.len() > 15 && dirname.chars().nth(14) == Some('_') {
+                dirname[15..].to_string()
+            } else {
+                dirname.to_string()
+            };
+            let modified = fs::metadata(&path)
+                .and_then(|m| m.modified())
+                .map(|t| DateTime::<Utc>::from(t))
+                .unwrap_or_else(|_| Utc::now());
+            notebooks.push(TrashNotebookEntry {
+                name,
+                path: path.to_string_lossy().to_string(),
+                note_count,
+                modified,
+            });
         }
     }
 
     notes.sort_by(|a, b| b.meta.modified.cmp(&a.meta.modified));
-    Ok(notes)
+    notebooks.sort_by(|a, b| b.modified.cmp(&a.modified));
+    Ok(TrashContents { notes, notebooks })
 }
 
 pub fn restore_note(
@@ -576,18 +1006,66 @@ pub fn restore_note(
         &filename
     };
 
+    let parent = src.parent().map(|p| p.to_path_buf());
     let dest = dest_dir.join(original_name);
     fs::rename(src, &dest).map_err(|e| e.to_string())?;
+
+    // Clean up empty parent directory (deleted notebook folder) in trash
+    cleanup_empty_trash_dir(vault_path, parent.as_deref());
+
     Ok(dest.to_string_lossy().to_string())
 }
 
-pub fn permanent_delete(path: &str) -> Result<(), String> {
+pub fn restore_notebook(vault_path: &str, trash_path: &str) -> Result<String, String> {
+    let src = Path::new(trash_path);
+    if !src.exists() || !src.is_dir() {
+        return Err("Trashed notebook does not exist".to_string());
+    }
+
+    let dirname = src.file_name().unwrap_or_default().to_string_lossy();
+
+    // Try to read original path from sidecar .meta file
+    let meta_path = src.with_extension("").with_file_name(format!("{}.meta", dirname));
+    let relative = if let Ok(original) = fs::read_to_string(&meta_path) {
+        original
+    } else {
+        // Fallback for notebooks trashed before .meta files existed:
+        // strip timestamp prefix to get notebook name, restore to root
+        let name = if dirname.len() > 18 && dirname.chars().nth(17) == Some('_') {
+            &dirname[18..]
+        } else if dirname.len() > 15 && dirname.chars().nth(14) == Some('_') {
+            &dirname[15..]
+        } else {
+            &dirname
+        };
+        name.to_string()
+    };
+
+    let dest = Path::new(vault_path).join(&relative);
+
+    // Recreate parent directories if needed
+    if let Some(parent) = dest.parent() {
+        fs::create_dir_all(parent).map_err(|e| e.to_string())?;
+    }
+
+    fs::rename(src, &dest).map_err(|e| e.to_string())?;
+    // Clean up .meta file
+    let _ = fs::remove_file(&meta_path);
+    Ok(dest.to_string_lossy().to_string())
+}
+
+pub fn permanent_delete(vault_path: &str, path: &str) -> Result<(), String> {
     let p = Path::new(path);
+    let parent = p.parent().map(|pp| pp.to_path_buf());
     if p.is_dir() {
         fs::remove_dir_all(p).map_err(|e| e.to_string())?;
     } else {
         fs::remove_file(p).map_err(|e| e.to_string())?;
     }
+
+    // Clean up empty parent directory (deleted notebook folder) in trash
+    cleanup_empty_trash_dir(vault_path, parent.as_deref());
+
     Ok(())
 }