Update content & design (#75)

Reviewed-on: https://home.schmelczer.dev/git/git/andras/schmelczer-dev/pulls/75

src/content/projects/_assets/vault-link.svg

@@ -0,0 +1,47 @@
+<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%">
+    <stop offset="0%" style="stop-color:#4A90E2;stop-opacity:1" />
+    <stop offset="100%" style="stop-color:#357ABD;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+
+  <!-- Background circle -->
+  <circle cx="100" cy="100" r="90" fill="url(#grad1)" opacity="0.15"/>
+
+  <!-- Main vault icon -->
+  <g transform="translate(100, 100)">
+    <!-- Vault body -->
+    <rect x="-45" y="-50" width="90" height="80" rx="8" fill="none" stroke="url(#grad1)" stroke-width="6"/>
+
+    <!-- Vault door circle -->
+    <circle cx="0" cy="-10" r="22" fill="none" stroke="url(#grad1)" stroke-width="5"/>
+    <circle cx="0" cy="-10" r="14" fill="none" stroke="url(#grad1)" stroke-width="3"/>
+    <circle cx="0" cy="-10" r="6" fill="url(#grad1)"/>
+
+    <!-- Vault handle -->
+    <line x1="0" y1="-4" x2="18" y2="-4" stroke="url(#grad1)" stroke-width="3" stroke-linecap="round"/>
+    <circle cx="18" cy="-4" r="4" fill="url(#grad1)"/>
+
+    <!-- Link chain -->
+    <g opacity="0.9">
+    <!-- Left link -->
+    <ellipse cx="-30" cy="40" rx="12" ry="8" fill="none" stroke="url(#grad1)" stroke-width="4"/>
+    <!-- Right link -->
+    <ellipse cx="30" cy="40" rx="12" ry="8" fill="none" stroke="url(#grad1)" stroke-width="4"/>
+    <!-- Center link connecting them -->
+    <ellipse cx="0" cy="40" rx="12" ry="8" fill="none" stroke="url(#grad1)" stroke-width="4"/>
+    </g>
+
+    <!-- Sync arrows (subtle) -->
+    <g opacity="0.5">
+    <!-- Clockwise arrow top-right -->
+    <path d="M 35 -35 Q 50 -35 50 -20 L 50 -15" fill="none" stroke="url(#grad1)" stroke-width="2.5" stroke-linecap="round"/>
+    <polygon points="50,-15 47,-22 53,-22" fill="url(#grad1)"/>
+
+    <!-- Counter-clockwise arrow bottom-left -->
+    <path d="M -35 25 Q -50 25 -50 10 L -50 5" fill="none" stroke="url(#grad1)" stroke-width="2.5" stroke-linecap="round"/>
+    <polygon points="-50,5 -47,12 -53,12" fill="url(#grad1)"/>
+    </g>
+  </g>
+</svg>

src/content/projects/ad-astra.md

@@ -1,6 +1,6 @@
 ---
 title: Ad Astra
-description: A tiny embedded game engine and custom PCB built around an ATtiny85V.
+description: 'A handheld game built from a custom PCB up: ATtiny85V, OLED, IR, EEPROM. 8-bit ALU at 8 MHz, 50 FPS floor.'
 thumbnail:
   src: ./_assets/ad-astra.jpg
   alt: The Ad Astra handheld game running on its OLED display.

src/content/projects/avoid.md

@@ -1,6 +1,6 @@
 ---
 title: Avoid
-description: A small early web game, kept as an archive of first experiments on the web.
+description: My first browser game, kept around so the timeline is honest.
 thumbnail:
   src: ./_assets/avoid.jpg
   alt: Screenshot of the Avoid canvas game.

src/content/projects/backup-container.md

@@ -0,0 +1,17 @@
+---
+title: Backup Container
+description: A Bash container around BorgBackup. BTRFS snapshot for atomic consistency, numeric env vars for multi-target 3-2-1, sleep-loop instead of cron.
+thumbnail:
+  src: ./_assets/backup.png
+  alt: Placeholder thumbnail for the backup container project.
+period: '2024-2026'
+sortDate: 2024-06-01
+technologies: ['Bash', 'BorgBackup', 'BTRFS', 'Alpine', 'Docker', 'SSH', 'zstd']
+selected: false
+essay: backup-container-btrfs-borg
+links:
+  - label: Source
+    url: https://github.com/schmelczer/backup-container
+  - label: Container image
+    url: https://github.com/schmelczer/backup-container/pkgs/container/backup-container
+---

src/content/projects/city-simulation.md

@@ -1,6 +1,6 @@
 ---
 title: City Simulation
-description: A Unity traffic simulation where REST-controlled traffic lights could produce visible consequences for a cybersecurity challenge.
+description: A Unity city where REST-controlled traffic lights made bad PLC code visible as car crashes.
 thumbnail:
   src: ./_assets/city-simulation.jpg
   alt: Screenshot of a Unity city traffic simulation.

src/content/projects/colors.md

@@ -1,6 +1,6 @@
 ---
 title: Photo Colour Grader
-description: A proof-of-concept colour grading UI based on selecting colours and transforming nearby colour ranges.
+description: Pick a colour, edit every nearby colour as a function of distance. A grader built around one interaction idea.
 thumbnail:
   src: ./_assets/photo-colour-grader.jpg
   alt: Screenshot of a colour grading interface applied to a photograph.

src/content/projects/declared.md

@@ -1,6 +1,6 @@
 ---
 title: decla.red
-description: A team-based mobile multiplayer browser game with shared client/server game logic.
+description: Browser multiplayer where the client and server linked the same TypeScript rules module. Concurrency bugs you can't have are bugs you don't have.
 thumbnail:
   src: ./_assets/declared.jpg
   alt: The decla.red browser game interface showing a space scene.

src/content/projects/fizika.md

@@ -0,0 +1,17 @@
+---
+title: Fizika
+description: 'I needed it for my own physics érettségi: 659 past-paper questions, jQuery, localStorage, no accounts. Eight years on, students still find it.'
+thumbnail:
+  src: ./_assets/fizika.jpg
+  alt: Screenshot of the Fizika practice app showing topic-selection buttons.
+period: '2017-2018'
+sortDate: 2018-05-01
+technologies: ['jQuery', 'HTML/CSS', 'Node/Express', 'JSON', 'localStorage']
+selected: false
+essay: fizika-erettsegi-practice-app
+links:
+  - label: Live
+    url: https://fizika.schmelczer.dev
+  - label: Source
+    url: https://home.schmelczer.dev/git/andras/fizika
+---

src/content/projects/fleeting-garden.md

@@ -1,12 +1,12 @@
 ---
 title: Fleeting Garden
-description: A WebGPU drawing toy where coloured strokes spawn agents that follow them, branch off, and slowly rewrite the patch you laid down.
+description: A single-file WebGPU drawing toy. Your strokes seed a swarm; nine numbers per vibe give each preset its personality.
 thumbnail:
   src: ./_assets/fleeting-garden.jpg
   alt: A kaleidoscopic Fleeting Garden snapshot of cyan, violet, and yellow agent trails radiating from a central knot.
 period: '2026'
 sortDate: 2026-05-01
-technologies: ['TypeScript', 'WebGPU', 'WGSL', 'Compute shaders', 'Vite', 'Physarum']
+technologies: ['TypeScript', 'WebGPU', 'WGSL', 'Compute shaders', 'Vite', 'Tweakpane']
 selected: true
 essay: fleeting-garden-webgpu-drawing
 links:

src/content/projects/forex.md

@@ -1,6 +1,6 @@
 ---
 title: Foreign Exchange Prediction Experiment
-description: A frequency-domain prediction experiment using smoothing, differentiation, STFT, extrapolation, and inverse transforms.
+description: A Hanning-windowed STFT experiment on EUR/USD. Passable backtest, sober conclusions, no real money risked.
 thumbnail:
   src: ./_assets/forex.jpg
   alt: Chart from a foreign exchange prediction experiment.

src/content/projects/frame.md

@@ -0,0 +1,24 @@
+---
+title: Frame
+description: A LAN-only e-ink photo frame. Pulls from self-hosted Immich, gated on Home Assistant presence, Atkinson-dithered to 6 colours, no cloud.
+thumbnail:
+  src: ./_assets/frame.jpg
+  alt: The e-ink frame on the wall showing a dithered landscape photo with the capture age and EXIF location painted into the bottom corners.
+period: '2026'
+sortDate: 2026-05-01
+technologies:
+  [
+    'Python',
+    'Raspberry Pi Zero 2W',
+    'Waveshare PhotoPainter',
+    'Immich',
+    'Home Assistant',
+    'numba',
+    'Atkinson dither',
+  ]
+selected: true
+essay: frame-eink-photo-display
+links:
+  - label: Source
+    url: https://home.schmelczer.dev/git/andras/frame
+---

src/content/projects/great-ai.md

@@ -1,6 +1,6 @@
 ---
 title: GreatAI
-description: A Python framework and research project for making AI deployment best practices easier to adopt.
+description: One decorator on a Python function turned it into a deployed ML service. MSc thesis with a survey to back the API choices.
 thumbnail:
   src: ./_assets/great-ai.png
   alt: Example Python code using the GreatAI API.

src/content/projects/leds.md

@@ -1,12 +1,12 @@
 ---
 title: Lights Synchronized to Music
-description: A Raspberry Pi music player that drove RGB LED strips from audio analysis.
+description: Raspberry Pi music player, NumPy FFT, MOSFETs, RGB strips. The first thing I built that I actually finished.
 thumbnail:
   src: ./_assets/leds.jpg
   alt: RGB LED strips glowing from a music synchronization project.
 period: 'Spring 2016'
 sortDate: 2016-04-01
-technologies: ['Python', 'NumPy', 'FFT', 'Raspberry Pi', 'Vanilla web']
+technologies: ['Python', 'NumPy', 'FFT', 'Raspberry Pi', 'MOSFETs', 'vanilla web']
 selected: false
 essay: lights-synchronized-to-music
 links: []

src/content/projects/my-notes.md

@@ -1,12 +1,12 @@
 ---
 title: My Notes
-description: A minimalist Android markdown note organizer and editor powered by Markwon.
+description: A small Android Markdown note app. The point was a few weeks outside the web stack.
 thumbnail:
   src: ./_assets/my-notes.png
   alt: Screenshot of the My Notes Android markdown app.
 period: 'November 2019'
 sortDate: 2019-11-01
-technologies: ['Android', 'Kotlin/Java', 'Markdown', 'Markwon']
+technologies: ['Android', 'Markdown', 'Markwon']
 selected: false
 essay: my-notes-android-markdown-app
 links:

src/content/projects/nuclear-editor.md

@@ -1,6 +1,6 @@
 ---
 title: Graph Editor
-description: A JavaFX editor for creating and editing input graphs for the cooling system simulator.
+description: A drag-and-drop JavaFX editor that let event organisers reconfigure the cooling sim without me sitting next to them.
 thumbnail:
   src: ./_assets/process-simulator-input.jpg
   alt: JavaFX editor interface for the cooling system simulator input graph.

src/content/projects/nuclear-simulation.md

@@ -1,6 +1,6 @@
 ---
 title: Cooling System Simulation
-description: A graph-based process simulation with a monitoring client and JavaFX input editor.
+description: 'A live cooling-plant simulator for a PLC cybersecurity event. Flow as graph traversal and heat as a matrix solve: two passes instead of one PDE.'
 thumbnail:
   src: ./_assets/nuclear-simulation.jpg
   alt: Cooling system simulator interface with pipes, pumps, and temperature values.

src/content/projects/perfect-postcode.md

@@ -0,0 +1,28 @@
+---
+title: Perfect Postcode
+description: A UK property-intelligence map. ~25M historical transactions, ~150 features per row, all u16-quantised in RAM, served from a single Rust binary.
+thumbnail:
+  src: ./_assets/perfect-postcode.jpg
+  alt: The Perfect Postcode dashboard with active filters on property type, price, transit time, and crime, showing a Manchester map with matching properties as a heatmap.
+period: '2026'
+sortDate: 2026-05-01
+technologies:
+  [
+    'Rust',
+    'Axum',
+    'Polars',
+    'h3o',
+    'rayon',
+    'PocketBase',
+    'PMTiles',
+    'MapLibre',
+    'deck.gl',
+    'Conveyal R5',
+    'Gemini',
+  ]
+selected: true
+essay: perfect-postcode-rust-property-server
+links:
+  - label: Site
+    url: https://perfect-postcode.co.uk
+---

src/content/projects/photos.md

@@ -1,6 +1,6 @@
 ---
 title: Photo Site Generator
-description: A static photo site generated from a directory of images, with automatic resizing to multiple quality settings.
+description: Point a Webpack script at a folder of photos, get a static site with responsive image variants. An excuse to walk with a camera.
 thumbnail:
   src: ./_assets/photos.jpg
   alt: Screenshot of a generated photography site.

src/content/projects/platform-game.md

@@ -1,6 +1,6 @@
 ---
 title: Platform Game
-description: An early 3D game in C with SDL 1.2, random maps, destructible voxels, enemies, powerups, and time slowdown.
+description: My Basics of Programming project. 3D voxel game in C and SDL 1.2. Pointers, learned painfully.
 thumbnail:
   src: ./_assets/platform-game.jpg
   alt: Screenshot from an early 3D platform game.

src/content/projects/reconcile.md

@@ -1,12 +1,12 @@
 ---
 title: reconcile-text
-description: A Rust library that auto-resolves conflicting text edits without conflict markers, with WebAssembly and Python bindings.
+description: One Rust core, three packages. Merges Markdown notes from three editors I don't control, with no operation history. Never emits markers.
 thumbnail:
   src: ./_assets/reconcile.png
   alt: The reconcile-text logo and tagline "Conflict-free 3-way text merging".
 period: '2025'
 sortDate: 2025-05-01
-technologies: ['Rust', 'WebAssembly', 'Python', 'pyo3', 'Operational Transformation']
+technologies: ['Rust', 'WebAssembly', 'Python', 'pyo3', 'wasm-bindgen', 'Myers diff']
 selected: true
 essay: reconcile-text-3-way-merge
 links:

src/content/projects/sdf-2d.md

@@ -1,12 +1,12 @@
 ---
 title: SDF-2D
-description: A browser rendering library for optimized 2D ray tracing with signed distance fields.
+description: A browser 2D ray-tracer tuned for the phone in your pocket. Tile-based passes, deferred shading, shaders generated per scene and device.
 thumbnail:
   src: ./_assets/sdf2d.jpg
   alt: SDF-2D browser demo with soft lighting effects.
 period: 'Autumn-Winter 2020'
 sortDate: 2020-12-01
-technologies: ['TypeScript', 'WebGL', 'WebGL2', 'SDF rendering']
+technologies: ['TypeScript', 'WebGL', 'WebGL2', 'Signed distance fields']
 selected: true
 essay: sdf-2d-ray-tracing
 links:

src/content/projects/towers.md

@@ -1,12 +1,12 @@
 ---
 title: Life Towers
-description: A multi-device goal tracker where the lasting idea was syncing state with immutable tries.
+description: A multi-device goal tracker. The trie underneath made the sync diff free; the towers were just the UI.
 thumbnail:
   src: ./_assets/towers.jpg
   alt: Life Towers goal tracking interface with tower-like visual structures.
 period: 'August-September 2019'
 sortDate: 2019-09-01
-technologies: ['Python', 'Angular', 'State synchronization']
+technologies: ['Python', 'Angular', 'TypeScript', 'Immutable trie']
 selected: true
 essay: life-towers-immutable-tries
 links:

src/content/projects/vault-link.md

@@ -0,0 +1,29 @@
+---
+title: VaultLink
+description: 'I refuse to give up the editor: Obsidian, Vim, VS Code, sed. Self-hosted sync that survives all four, built on reconcile-text underneath.'
+thumbnail:
+  src: ./_assets/vault-link.svg
+  alt: 'The VaultLink logo: a chain-link mark in a soft gradient.'
+period: '2025-2026'
+sortDate: 2025-12-01
+technologies:
+  [
+    'Rust',
+    'axum',
+    'sqlx',
+    'SQLite',
+    'WebSockets',
+    'TypeScript',
+    'Obsidian plugin',
+    'ts-rs',
+    'wasm-bindgen',
+    'reconcile-text',
+  ]
+selected: true
+essay: vault-link-obsidian-sync
+links:
+  - label: Source
+    url: https://github.com/schmelczer/vault-link
+  - label: Docs
+    url: https://vault-link.schmelczer.dev
+---