feat: Electrobun Svelte+WGPU prototype (Dawn GPU confirmed on Linux)

- Svelte 5 frontend with Catppuccin Mocha theme, 2 project cards
- Electrobun v1.16.0 with bundleWGPU: true (Dawn on Linux x64)
- WebKitGTK webview + WGPU surface coexistence confirmed
- CPU: 6.5% idle (CSS animation + WebKitGTK overhead)
- Port 9760 for dev server (project convention)
This commit is contained in:
Hibryda 2026-03-20 01:25:41 +01:00
parent 1f20fc460e
commit cfc135ffaf
29 changed files with 1106 additions and 1020 deletions

View file

@ -1,526 +1,37 @@
import { GpuWindow, Screen, WGPU, WGPUBridge } from "electrobun/bun";
import { CString, ptr, toArrayBuffer } from "bun:ffi";
import { BrowserWindow, Updater } from "electrobun/bun";
const WGPUNative = WGPU.native;
const WGPU_STRLEN = 0xffffffffffffffffn;
const WGPU_DEPTH_SLICE_UNDEFINED = 0xffffffff;
const WGPUTextureUsage_RenderAttachment = 0x0000000000000010n;
const WGPUBufferUsage_Vertex = 0x0000000000000020n;
const WGPUBufferUsage_CopyDst = 0x0000000000000008n;
const WGPUVertexFormat_Float32 = 0x0000001c;
const WGPUVertexFormat_Float32x2 = 0x0000001d;
const WGPUVertexFormat_Float32x4 = 0x0000001f;
const WGPUVertexStepMode_Vertex = 0x00000001;
const WGPUPrimitiveTopology_TriangleList = 0x00000004;
const WGPUFrontFace_CCW = 0x00000001;
const WGPUCullMode_None = 0x00000001;
const WGPUPresentMode_Fifo = 0x00000001;
const DEV_SERVER_PORT = 9760; // Project convention: 9700+ range
const DEV_SERVER_URL = `http://localhost:${DEV_SERVER_PORT}`;
const KEEPALIVE: any[] = [];
function writePtr(view: DataView, offset: number, value: number | bigint | null) {
view.setBigUint64(offset, BigInt(value ?? 0), true);
// Check if Vite dev server is running for HMR
async function getMainViewUrl(): Promise<string> {
const channel = await Updater.localInfo.channel();
if (channel === "dev") {
try {
await fetch(DEV_SERVER_URL, { method: "HEAD" });
console.log(`HMR enabled: Using Vite dev server at ${DEV_SERVER_URL}`);
return DEV_SERVER_URL;
} catch {
console.log(
"Vite dev server not running. Run 'bun run dev:hmr' for HMR support.",
);
}
}
return "views://mainview/index.html";
}
function writeU32(view: DataView, offset: number, value: number) {
view.setUint32(offset, value >>> 0, true);
}
// Create the main application window
const url = await getMainViewUrl();
function writeU64(view: DataView, offset: number, value: bigint) {
view.setBigUint64(offset, value, true);
}
function makeSurfaceConfiguration(
devicePtr: number,
width: number,
height: number,
format: number,
) {
const buffer = new ArrayBuffer(64);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, devicePtr);
writeU32(view, 16, format);
writeU32(view, 20, 0);
writeU64(view, 24, WGPUTextureUsage_RenderAttachment);
writeU32(view, 32, width);
writeU32(view, 36, height);
writeU64(view, 40, 0n);
writePtr(view, 48, 0);
writeU32(view, 56, 1);
writeU32(view, 60, WGPUPresentMode_Fifo);
return { buffer, ptr: ptr(buffer) };
}
function makeShaderSourceWGSL(codePtr: number) {
const buffer = new ArrayBuffer(32);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writeU32(view, 8, 0x00000002);
writeU32(view, 12, 0);
writePtr(view, 16, codePtr);
writeU64(view, 24, WGPU_STRLEN);
return { buffer, ptr: ptr(buffer) };
}
function makeShaderModuleDescriptor(nextInChainPtr: number) {
const buffer = new ArrayBuffer(24);
const view = new DataView(buffer);
writePtr(view, 0, nextInChainPtr);
writePtr(view, 8, 0);
writeU64(view, 16, 0n);
return { buffer, ptr: ptr(buffer) };
}
function makeVertexAttribute(offset: number, shaderLocation: number, format: number) {
const buffer = new ArrayBuffer(32);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writeU32(view, 8, format);
writeU32(view, 12, 0);
writeU64(view, 16, BigInt(offset));
writeU32(view, 24, shaderLocation);
writeU32(view, 28, 0);
return { buffer, ptr: ptr(buffer) };
}
function makeVertexBufferLayout(
attributePtr: number,
attributeCount: number,
stride: number,
) {
const buffer = new ArrayBuffer(40);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writeU32(view, 8, WGPUVertexStepMode_Vertex);
writeU32(view, 12, 0);
writeU64(view, 16, BigInt(stride));
writeU64(view, 24, BigInt(attributeCount));
writePtr(view, 32, attributePtr);
return { buffer, ptr: ptr(buffer) };
}
function makeColorTargetState(format: number) {
const buffer = new ArrayBuffer(32);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writeU32(view, 8, format);
writeU32(view, 12, 0);
writePtr(view, 16, 0);
writeU64(view, 24, 0x0fn);
return { buffer, ptr: ptr(buffer) };
}
function makeVertexState(
modulePtr: number,
entryPointPtr: number,
bufferLayoutPtr: number,
) {
const buffer = new ArrayBuffer(64);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, modulePtr);
writePtr(view, 16, entryPointPtr);
writeU64(view, 24, WGPU_STRLEN);
writeU64(view, 32, 0n);
writePtr(view, 40, 0);
writeU64(view, 48, 1n);
writePtr(view, 56, bufferLayoutPtr);
return { buffer, ptr: ptr(buffer) };
}
function makeFragmentState(
modulePtr: number,
entryPointPtr: number,
targetPtr: number,
) {
const buffer = new ArrayBuffer(64);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, modulePtr);
writePtr(view, 16, entryPointPtr);
writeU64(view, 24, WGPU_STRLEN);
writeU64(view, 32, 0n);
writePtr(view, 40, 0);
writeU64(view, 48, 1n);
writePtr(view, 56, targetPtr);
return { buffer, ptr: ptr(buffer) };
}
function makePrimitiveState() {
const buffer = new ArrayBuffer(32);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writeU32(view, 8, WGPUPrimitiveTopology_TriangleList);
writeU32(view, 12, 0);
writeU32(view, 16, WGPUFrontFace_CCW);
writeU32(view, 20, WGPUCullMode_None);
writeU32(view, 24, 0);
writeU32(view, 28, 0);
return { buffer, ptr: ptr(buffer) };
}
function makeMultisampleState() {
const buffer = new ArrayBuffer(24);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writeU32(view, 8, 1);
writeU32(view, 12, 0xffffffff);
writeU32(view, 16, 0);
writeU32(view, 20, 0);
return { buffer, ptr: ptr(buffer) };
}
function makeRenderPipelineDescriptor(
vertexStatePtr: number,
primitiveStatePtr: number,
multisampleStatePtr: number,
fragmentStatePtr: number,
) {
const buffer = new ArrayBuffer(168);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, 0);
writeU64(view, 16, 0n);
writePtr(view, 24, 0);
new Uint8Array(buffer, 32, 64).set(new Uint8Array(vertexStatePtr.buffer));
new Uint8Array(buffer, 96, 32).set(new Uint8Array(primitiveStatePtr.buffer));
writePtr(view, 128, 0);
new Uint8Array(buffer, 136, 24).set(new Uint8Array(multisampleStatePtr.buffer));
writePtr(view, 160, fragmentStatePtr.ptr as unknown as number);
return { buffer, ptr: ptr(buffer) };
}
function makeBufferDescriptor(size: number) {
const buffer = new ArrayBuffer(48);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, 0);
writeU64(view, 16, 0n);
writeU64(view, 24, WGPUBufferUsage_Vertex | WGPUBufferUsage_CopyDst);
writeU64(view, 32, BigInt(size));
writeU32(view, 40, 0);
writeU32(view, 44, 0);
return { buffer, ptr: ptr(buffer) };
}
function makeCommandEncoderDescriptor() {
const buffer = new ArrayBuffer(24);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, 0);
writeU64(view, 16, 0n);
return { buffer, ptr: ptr(buffer) };
}
function makeSurfaceTexture() {
const buffer = new ArrayBuffer(24);
return { buffer, view: new DataView(buffer), ptr: ptr(buffer) };
}
function makeRenderPassColorAttachment(viewPtr: number, clear: { r: number; g: number; b: number; a: number }) {
const buffer = new ArrayBuffer(72);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, viewPtr);
writeU32(view, 16, WGPU_DEPTH_SLICE_UNDEFINED);
writeU32(view, 20, 0);
writePtr(view, 24, 0);
writeU32(view, 32, 2);
writeU32(view, 36, 1);
view.setFloat64(40, clear.r, true);
view.setFloat64(48, clear.g, true);
view.setFloat64(56, clear.b, true);
view.setFloat64(64, clear.a, true);
return { buffer, ptr: ptr(buffer) };
}
function makeRenderPassDescriptor(colorAttachmentPtr: number) {
const buffer = new ArrayBuffer(64);
const view = new DataView(buffer);
writePtr(view, 0, 0);
writePtr(view, 8, 0);
writeU64(view, 16, 0n);
writeU64(view, 24, 1n);
writePtr(view, 32, colorAttachmentPtr);
writePtr(view, 40, 0);
writePtr(view, 48, 0);
writePtr(view, 56, 0);
return { buffer, ptr: ptr(buffer) };
}
function makeCommandBufferArray(cmdPtr: number) {
const buffer = new BigUint64Array([BigInt(cmdPtr)]);
return { buffer, ptr: ptr(buffer) };
}
const size = 640;
const display = Screen.getPrimaryDisplay();
const workArea = display.workArea;
const x = workArea.x + Math.floor((workArea.width - size) / 2);
const y = workArea.y + Math.floor((workArea.height - size) / 2);
const win = new GpuWindow({
title: "WGPU Shader",
frame: { width: size, height: size, x, y },
titleBarStyle: "default",
transparent: false,
const mainWindow = new BrowserWindow({
title: "Agent Orchestrator — Electrobun",
url,
frame: {
width: 1400,
height: 900,
x: 100,
y: 100,
},
});
if (!WGPUNative.available) {
throw new Error("WGPU not available for wgpu");
}
const instance = WGPUNative.symbols.wgpuCreateInstance(0);
const surface = WGPUBridge.createSurfaceForView(
instance as number,
win.wgpuView.ptr as number,
);
const adapterDevice = new BigUint64Array(2);
WGPUBridge.createAdapterDeviceMainThread(
instance as number,
surface as number,
ptr(adapterDevice),
);
const adapter = Number(adapterDevice[0]);
const device = Number(adapterDevice[1]);
if (!adapter || !device) {
throw new Error("Failed to get WGPU adapter/device");
}
const queue = WGPUNative.symbols.wgpuDeviceGetQueue(device);
// Query the surface capabilities to get a supported texture format
const capsBuffer = new ArrayBuffer(64);
const capsView = new DataView(capsBuffer);
WGPUNative.symbols.wgpuSurfaceGetCapabilities(
surface,
adapter,
ptr(capsBuffer),
);
const formatCount = Number(capsView.getBigUint64(16, true));
const formatPtr = Number(capsView.getBigUint64(24, true));
let surfaceFormat = 0x00000017; // BGRA8Unorm fallback
if (formatCount && formatPtr) {
const formats = new Uint32Array(toArrayBuffer(formatPtr, 0, formatCount * 4));
if (formats.length) surfaceFormat = formats[0]!;
}
const surfaceConfig = makeSurfaceConfiguration(
device,
size,
size,
surfaceFormat,
);
WGPUBridge.surfaceConfigure(surface as number, surfaceConfig.ptr as number);
const shaderText = `
struct VSOut {
@builtin(position) position : vec4<f32>,
@location(0) uv : vec2<f32>,
@location(1) time : f32,
@location(2) resolution : vec2<f32>,
@location(3) mouse : vec4<f32>,
};
@vertex
fn vs_main(
@location(0) position: vec2<f32>,
@location(1) time: f32,
@location(2) resolution: vec2<f32>,
@location(3) mouse: vec4<f32>
) -> VSOut {
var out: VSOut;
out.position = vec4<f32>(position, 0.0, 1.0);
out.uv = position;
out.time = time;
out.resolution = resolution;
out.mouse = mouse;
return out;
}
@fragment
fn fs_main(
@location(0) uv: vec2<f32>,
@location(1) time: f32,
@location(2) resolution: vec2<f32>,
@location(3) mouse: vec4<f32>
) -> @location(0) vec4<f32> {
let fragCoord = (uv * 0.5 + vec2<f32>(0.5)) * resolution;
let m = (mouse.xy / max(resolution, vec2<f32>(1.0))) * 2.0 - vec2<f32>(1.0);
let loopMax: i32 = select(32, 64, mouse.z > 0.5);
var o = vec4<f32>(0.0);
var i: f32 = 0.0;
var d: f32 = 0.0;
var c: f32 = 0.0;
var s: f32 = 0.0;
var q = vec3<f32>(0.0);
var p = vec3<f32>(0.0);
let r = vec3<f32>(resolution, 0.0);
var dir = normalize(vec3<f32>((fragCoord + fragCoord - r.xy) / r.y, 1.0));
dir.x = dir.x + m.x * 0.35;
dir.y = dir.y + -m.y * 0.35;
for (var iter: i32 = 0; iter < loopMax; iter = iter + 1) {
i = f32(iter + 1);
p = dir * d;
p.z = p.z + time * 4.0;
q = p;
s = 0.0;
c = 20.0;
loop {
if (c <= 0.2) { break; }
let m = mat2x2<f32>(
vec2<f32>(cos(c / 30.0 + 0.0), cos(c / 30.0 + 33.0)),
vec2<f32>(cos(c / 30.0 + 11.0), cos(c / 30.0 + 0.0))
);
let xz = m * vec2<f32>(p.x, p.z);
p.x = xz.x;
p.z = xz.y;
p = abs(fract(p / c) * c - vec3<f32>(c * 0.5)) - vec3<f32>(c * 0.2);
s = max(
9.0 + 3.0 * sin(q.z * 0.05) - abs(q.x),
max(s, min(p.x, min(p.y, p.z)))
);
p = q;
c = c * 0.5;
}
let sinp = sin(p * 12.0);
let dotv = dot(sinp, vec3<f32>(0.1, 0.1, 0.1));
s = min(s, p.y + 8.0 + dotv);
d = d + s;
let add = i / max(s, 0.001);
o = o + vec4<f32>(add, add, add, add);
}
let denom = max(d, 0.000001);
o = tanh(o / denom / 30000.0);
return vec4<f32>(o.xyz, 1.0);
}
`;
const shaderBytes = new TextEncoder().encode(shaderText + "\0");
const shaderBuf = new Uint8Array(shaderBytes);
KEEPALIVE.push(shaderBuf);
const shaderPtr = ptr(shaderBuf);
const shaderSource = makeShaderSourceWGSL(shaderPtr);
const shaderDesc = makeShaderModuleDescriptor(shaderSource.ptr as number);
const shaderModule = WGPUNative.symbols.wgpuDeviceCreateShaderModule(device, shaderDesc.ptr as number);
const entryPoint = new CString("vs_main");
const fragEntryPoint = new CString("fs_main");
KEEPALIVE.push(entryPoint, fragEntryPoint);
const posAttr = makeVertexAttribute(0, 0, WGPUVertexFormat_Float32x2);
const timeAttr = makeVertexAttribute(8, 1, WGPUVertexFormat_Float32);
const resAttr = makeVertexAttribute(12, 2, WGPUVertexFormat_Float32x2);
const mouseAttr = makeVertexAttribute(20, 3, WGPUVertexFormat_Float32x4);
const attrBuf = new ArrayBuffer(32 * 4);
new Uint8Array(attrBuf, 0, 32).set(new Uint8Array(posAttr.buffer));
new Uint8Array(attrBuf, 32, 32).set(new Uint8Array(timeAttr.buffer));
new Uint8Array(attrBuf, 64, 32).set(new Uint8Array(resAttr.buffer));
new Uint8Array(attrBuf, 96, 32).set(new Uint8Array(mouseAttr.buffer));
const attrPtr = ptr(attrBuf);
KEEPALIVE.push(attrBuf);
const vertexLayout = makeVertexBufferLayout(attrPtr as number, 4, 36);
const vertexState = makeVertexState(shaderModule, entryPoint.ptr, vertexLayout.ptr as number);
const colorTarget = makeColorTargetState(surfaceFormat);
const fragmentState = makeFragmentState(shaderModule, fragEntryPoint.ptr, colorTarget.ptr as number);
const primitiveState = makePrimitiveState();
const multisampleState = makeMultisampleState();
const pipelineDesc = makeRenderPipelineDescriptor(
vertexState,
primitiveState,
multisampleState,
fragmentState,
);
const pipeline = WGPUNative.symbols.wgpuDeviceCreateRenderPipeline(device, pipelineDesc.ptr as number);
const vertexCount = 3;
const bufferDesc = makeBufferDescriptor(vertexCount * 9 * 4);
const vertexBuffer = WGPUNative.symbols.wgpuDeviceCreateBuffer(device, bufferDesc.ptr as number);
const encoderDesc = makeCommandEncoderDescriptor();
let lastLeftDown = false;
let qualityBoost = false;
let clickX = 0;
let clickY = 0;
function renderFrame() {
const sizeNow = win.getSize();
const t = performance.now() * 0.001;
const positions = [-1, -1, 3, -1, -1, 3];
const frame = win.getFrame();
const cursor = Screen.getCursorScreenPoint();
const rawX = cursor.x - frame.x;
const rawY = cursor.y - frame.y;
const mx = Math.max(0, Math.min(frame.width, rawX));
const my = Math.max(0, Math.min(frame.height, rawY));
const buttons = Screen.getMouseButtons();
const leftDown = (buttons & 1n) === 1n;
if (leftDown && !lastLeftDown) {
qualityBoost = !qualityBoost;
clickX = mx;
clickY = my;
}
lastLeftDown = leftDown;
const packed = new Float32Array(vertexCount * 9);
for (let i = 0; i < vertexCount; i += 1) {
const idx = i * 9;
packed[idx] = positions[i * 2]!;
packed[idx + 1] = positions[i * 2 + 1]!;
packed[idx + 2] = t;
packed[idx + 3] = sizeNow.width;
packed[idx + 4] = sizeNow.height;
packed[idx + 5] = mx;
packed[idx + 6] = my;
packed[idx + 7] = qualityBoost ? clickX : 0;
packed[idx + 8] = qualityBoost ? clickY : 0;
}
WGPUNative.symbols.wgpuQueueWriteBuffer(
queue,
vertexBuffer,
0,
ptr(packed),
packed.byteLength,
);
WGPUNative.symbols.wgpuInstanceProcessEvents(instance);
const surfaceTexture = makeSurfaceTexture();
WGPUBridge.surfaceGetCurrentTexture(surface as number, surfaceTexture.ptr as number);
const status = surfaceTexture.view.getUint32(16, true);
if (status !== 1 && status !== 2) return;
const texPtr = Number(surfaceTexture.view.getBigUint64(8, true));
if (!texPtr) return;
const textureView = WGPUNative.symbols.wgpuTextureCreateView(texPtr, 0);
if (!textureView) return;
const colorAttachment = makeRenderPassColorAttachment(textureView, {
r: 0.05,
g: 0.05,
b: 0.1,
a: 1.0,
});
const renderPassDesc = makeRenderPassDescriptor(colorAttachment.ptr as number);
const encoder = WGPUNative.symbols.wgpuDeviceCreateCommandEncoder(device, encoderDesc.ptr as number);
const pass = WGPUNative.symbols.wgpuCommandEncoderBeginRenderPass(encoder, renderPassDesc.ptr as number);
WGPUNative.symbols.wgpuRenderPassEncoderSetPipeline(pass, pipeline);
WGPUNative.symbols.wgpuRenderPassEncoderSetVertexBuffer(pass, 0, vertexBuffer, 0, packed.byteLength);
WGPUNative.symbols.wgpuRenderPassEncoderDraw(pass, vertexCount, 1, 0, 0);
WGPUNative.symbols.wgpuRenderPassEncoderEnd(pass);
const commandBuffer = WGPUNative.symbols.wgpuCommandEncoderFinish(encoder, 0);
const commandArray = makeCommandBufferArray(commandBuffer);
WGPUNative.symbols.wgpuQueueSubmit(queue, 1, commandArray.ptr as number);
WGPUBridge.surfacePresent(surface as number);
WGPUNative.symbols.wgpuTextureViewRelease(textureView);
WGPUNative.symbols.wgpuTextureRelease(texPtr);
WGPUNative.symbols.wgpuCommandBufferRelease(commandBuffer);
WGPUNative.symbols.wgpuCommandEncoderRelease(encoder);
}
setInterval(renderFrame, 16);
console.log("Agent Orchestrator (Electrobun) started!");

View file

@ -0,0 +1,239 @@
<script lang="ts">
// ── Types ────────────────────────────────────────────────────
type AgentStatus = 'running' | 'idle' | 'stalled';
type MsgRole = 'user' | 'assistant' | 'tool-call' | 'tool-result';
type TabId = 'model' | 'docs' | 'files';
interface AgentMessage {
id: number;
role: MsgRole;
content: string;
}
interface Project {
id: string;
name: string;
cwd: string;
accent: string;
status: AgentStatus;
costUsd: number;
tokens: number;
messages: AgentMessage[];
}
// ── Demo data ────────────────────────────────────────────────
const PROJECTS: Project[] = [
{
id: 'p1',
name: 'agent-orchestrator',
cwd: '~/code/ai/agent-orchestrator',
accent: 'var(--ctp-mauve)',
status: 'running',
costUsd: 0.034,
tokens: 18420,
messages: [
{ id: 1, role: 'user', content: 'Add a wake scheduler for Manager agents that wakes them when review queue depth > 3.' },
{ id: 2, role: 'assistant', content: 'Reading existing wake-scheduler.svelte.ts to understand the 3-strategy pattern...' },
{ id: 3, role: 'tool-call', content: 'Read("src/lib/stores/wake-scheduler.svelte.ts")' },
{ id: 4, role: 'tool-result', content: '// 312 lines\nexport type WakeStrategy = "persistent" | "on-demand" | "smart";\n...' },
{ id: 5, role: 'assistant', content: 'Found the WakeSignal enum. I\'ll add ReviewBacklog(0.6) and hook into bttask polling. Writing wake-scorer.ts update now.' },
{ id: 6, role: 'tool-call', content: 'Edit("src/lib/utils/wake-scorer.ts", old="// signals", new="// signals\n ReviewBacklog = 0.6,")' },
{ id: 7, role: 'assistant', content: 'Done. ReviewBacklog signal added at priority 0.6 (between TaskQueuePressure 0.7 and PeriodicFloor 0.1). Run `npm test` to verify 24 scorer tests still pass.' },
],
},
{
id: 'p2',
name: 'quanta-discord-bot',
cwd: '~/code/quanta/discord-bot',
accent: 'var(--ctp-sapphire)',
status: 'idle',
costUsd: 0.011,
tokens: 6830,
messages: [
{ id: 1, role: 'user', content: 'Why is the QRAG MCP server returning 504s on large semantic search queries?' },
{ id: 2, role: 'assistant', content: 'Checking the MCP HTTP handler timeout config and Qdrant query path...' },
{ id: 3, role: 'tool-call', content: 'Read("src/mcp/server.ts", offset=120, limit=40)' },
{ id: 4, role: 'tool-result', content: 'const QUERY_TIMEOUT_MS = 5000; // default\n...' },
{ id: 5, role: 'assistant', content: 'Found it. The MCP handler has a hardcoded 5s timeout but Qdrant HNSW search on 500k vectors takes 69s at ef=256. Two options:\n1. Raise timeout to 15s (quick fix)\n2. Lower ef to 128 for faster approximate search (~3s, slight recall drop)\n\nRecommend option 2 for latency-sensitive bot responses.' },
{ id: 6, role: 'user', content: 'Go with option 2.' },
{ id: 7, role: 'assistant', content: 'Updated `ef_searching: 128` in qdrant-config.ts and raised timeout to 8s as safety margin. Restarted service on port 9320.' },
],
},
];
// ── Reactive state ───────────────────────────────────────────
let activeTab = $state<Record<string, TabId>>({ p1: 'model', p2: 'model' });
let settingsOpen = $state(false);
// ── Derived status bar aggregates ───────────────────────────
let runningCount = $derived(PROJECTS.filter(p => p.status === 'running').length);
let idleCount = $derived(PROJECTS.filter(p => p.status === 'idle').length);
let totalCost = $derived(PROJECTS.reduce((s, p) => s + p.costUsd, 0));
let totalTokens = $derived(PROJECTS.reduce((s, p) => s + p.tokens, 0));
function setTab(projectId: string, tab: TabId) {
activeTab = { ...activeTab, [projectId]: tab };
}
function fmtTokens(n: number): string {
return n >= 1000 ? `${(n / 1000).toFixed(1)}k` : String(n);
}
function fmtCost(n: number): string {
return `$${n.toFixed(3)}`;
}
</script>
<div class="app-shell">
<!-- ── Sidebar icon rail ──────────────────────────────────── -->
<aside class="sidebar" role="navigation" aria-label="Primary navigation">
<div class="sidebar-spacer"></div>
<button
class="sidebar-icon"
class:active={settingsOpen}
onclick={() => settingsOpen = !settingsOpen}
aria-label="Settings"
title="Settings"
>
<!-- gear icon -->
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
<circle cx="12" cy="12" r="3"/>
<path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z"/>
</svg>
</button>
</aside>
<!-- ── Main workspace ───────────────────────────────────────── -->
<main class="workspace">
<div class="project-grid">
{#each PROJECTS as project (project.id)}
<article
class="project-card"
style="--accent: {project.accent}"
aria-label="Project: {project.name}"
>
<!-- Project header -->
<header class="project-header">
<!-- Status dot — wgpu surface placeholder -->
<div class="status-dot-wrap" aria-label="Status: {project.status}">
<!--
Future: replace inner div with <electrobun-wgpu id="wgpu-surface-{project.id}">
for GPU-rendered animation. CSS pulse is the WebView fallback.
-->
<div class="status-dot {project.status}" role="img" aria-label="{project.status}"></div>
</div>
<span class="project-name">{project.name}</span>
<span class="project-cwd" title={project.cwd}>{project.cwd}</span>
</header>
<!-- Tab bar -->
<div class="tab-bar" role="tablist" aria-label="{project.name} tabs">
{#each (['model', 'docs', 'files'] as TabId[]) as tab}
<button
class="tab-btn"
class:active={activeTab[project.id] === tab}
role="tab"
aria-selected={activeTab[project.id] === tab}
aria-controls="tabpanel-{project.id}-{tab}"
onclick={() => setTab(project.id, tab)}
>
{tab.charAt(0).toUpperCase() + tab.slice(1)}
</button>
{/each}
</div>
<!-- Tab content -->
<div class="tab-content">
<!-- Model tab: agent messages -->
<div
id="tabpanel-{project.id}-model"
class="tab-pane"
class:active={activeTab[project.id] === 'model'}
role="tabpanel"
aria-label="Model"
>
{#each project.messages as msg (msg.id)}
<div class="msg">
<span class="msg-role {msg.role.split('-')[0]}">{msg.role}</span>
<div
class="msg-body"
class:tool-call={msg.role === 'tool-call'}
class:tool-result={msg.role === 'tool-result'}
>{msg.content}</div>
</div>
{/each}
</div>
<!-- Docs tab placeholder -->
<div
id="tabpanel-{project.id}-docs"
class="tab-pane"
class:active={activeTab[project.id] === 'docs'}
role="tabpanel"
aria-label="Docs"
>
<div class="placeholder-pane">No markdown files open</div>
</div>
<!-- Files tab placeholder -->
<div
id="tabpanel-{project.id}-files"
class="tab-pane"
class:active={activeTab[project.id] === 'files'}
role="tabpanel"
aria-label="Files"
>
<div class="placeholder-pane">File browser — coming soon</div>
</div>
</div>
</article>
{/each}
</div>
</main>
</div>
<!-- ── Status bar ─────────────────────────────────────────────── -->
<footer class="status-bar" role="status" aria-live="polite" aria-label="System status">
{#if runningCount > 0}
<span class="status-segment">
<span class="status-dot-sm green" aria-hidden="true"></span>
<span class="status-value">{runningCount}</span>
<span>running</span>
</span>
{/if}
{#if idleCount > 0}
<span class="status-segment">
<span class="status-dot-sm gray" aria-hidden="true"></span>
<span class="status-value">{idleCount}</span>
<span>idle</span>
</span>
{/if}
<span class="status-bar-spacer"></span>
<span class="status-segment" title="Total tokens used">
<span>tokens</span>
<span class="status-value">{fmtTokens(totalTokens)}</span>
</span>
<span class="status-segment" title="Total session cost">
<span>cost</span>
<span class="status-value">{fmtCost(totalCost)}</span>
</span>
</footer>
<style>
/* Component-scoped overrides only — base styles live in app.css */
:global(body) {
overflow: hidden;
}
:global(#app) {
display: flex;
flex-direction: column;
height: 100vh;
}
.app-shell {
flex: 1;
min-height: 0;
}
</style>

View file

@ -0,0 +1,400 @@
/* Catppuccin Mocha palette — same --ctp-* vars as Tauri app */
:root {
--ctp-rosewater: #f5e0dc;
--ctp-flamingo: #f2cdcd;
--ctp-pink: #f5c2e7;
--ctp-mauve: #cba6f7;
--ctp-red: #f38ba8;
--ctp-maroon: #eba0ac;
--ctp-peach: #fab387;
--ctp-yellow: #f9e2af;
--ctp-green: #a6e3a1;
--ctp-teal: #94e2d5;
--ctp-sky: #89dceb;
--ctp-sapphire: #74c7ec;
--ctp-blue: #89b4fa;
--ctp-lavender: #b4befe;
--ctp-text: #cdd6f4;
--ctp-subtext1: #bac2de;
--ctp-subtext0: #a6adc8;
--ctp-overlay2: #9399b2;
--ctp-overlay1: #7f849c;
--ctp-overlay0: #6c7086;
--ctp-surface2: #585b70;
--ctp-surface1: #45475a;
--ctp-surface0: #313244;
--ctp-base: #1e1e2e;
--ctp-mantle: #181825;
--ctp-crust: #11111b;
/* Typography */
--ui-font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
--ui-font-size: 0.875rem;
--term-font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
--term-font-size: 0.8125rem;
/* Layout */
--sidebar-width: 2.75rem;
--status-bar-height: 1.75rem;
--tab-bar-height: 2rem;
--header-height: 2.5rem;
}
*, *::before, *::after {
box-sizing: border-box;
}
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
background: var(--ctp-base);
color: var(--ctp-text);
font-family: var(--ui-font-family);
font-size: var(--ui-font-size);
-webkit-font-smoothing: antialiased;
}
#app {
width: 100%;
height: 100vh;
display: flex;
flex-direction: column;
overflow: hidden;
}
/* ── App shell ─────────────────────────────────────────────── */
.app-shell {
display: flex;
flex: 1;
min-height: 0;
overflow: hidden;
}
/* ── Sidebar / icon rail ───────────────────────────────────── */
.sidebar {
width: var(--sidebar-width);
flex-shrink: 0;
background: var(--ctp-mantle);
border-right: 1px solid var(--ctp-surface0);
display: flex;
flex-direction: column;
align-items: center;
padding: 0.5rem 0;
gap: 0.25rem;
}
.sidebar-icon {
width: 2rem;
height: 2rem;
border-radius: 0.375rem;
border: none;
background: transparent;
color: var(--ctp-overlay1);
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: background 0.15s, color 0.15s;
padding: 0;
}
.sidebar-icon:hover {
background: var(--ctp-surface0);
color: var(--ctp-text);
}
.sidebar-icon.active {
background: var(--ctp-surface1);
color: var(--ctp-mauve);
}
.sidebar-icon svg {
width: 1rem;
height: 1rem;
}
.sidebar-spacer {
flex: 1;
}
/* ── Project grid (main workspace) ────────────────────────── */
.workspace {
flex: 1;
min-width: 0;
display: flex;
flex-direction: column;
overflow: hidden;
}
.project-grid {
flex: 1;
min-height: 0;
display: grid;
grid-template-columns: 1fr 1fr;
gap: 0.5rem;
padding: 0.5rem;
background: var(--ctp-crust);
}
/* ── Project card ──────────────────────────────────────────── */
.project-card {
background: var(--ctp-base);
border: 1px solid var(--ctp-surface0);
border-radius: 0.5rem;
display: flex;
flex-direction: column;
overflow: hidden;
min-height: 0;
}
/* Accent stripe on left edge */
.project-card::before {
content: '';
position: absolute;
left: 0;
top: 0;
bottom: 0;
width: 3px;
background: var(--accent, var(--ctp-mauve));
border-radius: 0.5rem 0 0 0.5rem;
}
.project-card {
position: relative;
}
/* ── Project header ────────────────────────────────────────── */
.project-header {
height: var(--header-height);
background: var(--ctp-mantle);
border-bottom: 1px solid var(--ctp-surface0);
display: flex;
align-items: center;
gap: 0.5rem;
padding: 0 0.625rem 0 0.875rem;
flex-shrink: 0;
}
.status-dot-wrap {
flex-shrink: 0;
width: 0.625rem;
height: 0.625rem;
position: relative;
}
/* wgpu placeholder — same dimensions as the dot, GPU surface goes here */
#wgpu-surface,
.wgpu-surface {
width: 100%;
height: 100%;
border-radius: 50%;
background: var(--dot-color, var(--ctp-overlay0));
}
/* CSS fallback pulsing dot (compositor-driven, ~0% CPU) */
.status-dot {
width: 100%;
height: 100%;
border-radius: 50%;
background: var(--dot-color, var(--ctp-overlay0));
}
.status-dot.running {
--dot-color: var(--ctp-green);
animation: pulse-dot 2s ease-in-out infinite;
}
.status-dot.idle {
--dot-color: var(--ctp-overlay1);
}
.status-dot.stalled {
--dot-color: var(--ctp-peach);
animation: pulse-dot 1.4s ease-in-out infinite;
}
@keyframes pulse-dot {
0%, 100% { opacity: 1; transform: scale(1); }
50% { opacity: 0.55; transform: scale(0.85); }
}
.project-name {
font-weight: 600;
color: var(--ctp-text);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
flex: 1;
min-width: 0;
}
.project-cwd {
font-size: 0.75rem;
color: var(--ctp-subtext0);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
direction: rtl;
max-width: 10rem;
flex-shrink: 0;
}
/* ── Tab bar ───────────────────────────────────────────────── */
.tab-bar {
height: var(--tab-bar-height);
background: var(--ctp-mantle);
border-bottom: 1px solid var(--ctp-surface0);
display: flex;
align-items: stretch;
flex-shrink: 0;
padding: 0 0.25rem;
gap: 0.125rem;
}
.tab-btn {
padding: 0 0.75rem;
background: transparent;
border: none;
border-bottom: 2px solid transparent;
color: var(--ctp-subtext0);
font-family: var(--ui-font-family);
font-size: 0.8125rem;
cursor: pointer;
white-space: nowrap;
transition: color 0.12s, border-color 0.12s;
margin-bottom: -1px;
}
.tab-btn:hover {
color: var(--ctp-text);
}
.tab-btn.active {
color: var(--ctp-text);
border-bottom-color: var(--accent, var(--ctp-mauve));
}
/* ── Tab content area ──────────────────────────────────────── */
.tab-content {
flex: 1;
min-height: 0;
overflow: hidden;
display: flex;
flex-direction: column;
}
.tab-pane {
flex: 1;
min-height: 0;
overflow-y: auto;
padding: 0.5rem 0.625rem;
display: none;
}
.tab-pane.active {
display: flex;
flex-direction: column;
gap: 0.375rem;
}
/* scrollbar */
.tab-pane::-webkit-scrollbar { width: 0.375rem; }
.tab-pane::-webkit-scrollbar-track { background: transparent; }
.tab-pane::-webkit-scrollbar-thumb { background: var(--ctp-surface1); border-radius: 0.25rem; }
/* ── Agent messages ────────────────────────────────────────── */
.msg {
display: flex;
flex-direction: column;
gap: 0.125rem;
}
.msg-role {
font-size: 0.6875rem;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.04em;
color: var(--ctp-overlay1);
}
.msg-role.user { color: var(--ctp-blue); }
.msg-role.assistant { color: var(--ctp-mauve); }
.msg-role.tool { color: var(--ctp-peach); }
.msg-body {
background: var(--ctp-surface0);
border-radius: 0.3125rem;
padding: 0.375rem 0.5rem;
font-size: 0.8125rem;
line-height: 1.5;
color: var(--ctp-text);
white-space: pre-wrap;
word-break: break-word;
}
.msg-body.tool-call {
background: color-mix(in srgb, var(--ctp-peach) 8%, var(--ctp-surface0));
border-left: 2px solid var(--ctp-peach);
font-family: var(--term-font-family);
font-size: 0.75rem;
}
.msg-body.tool-result {
background: color-mix(in srgb, var(--ctp-teal) 6%, var(--ctp-surface0));
border-left: 2px solid var(--ctp-teal);
font-family: var(--term-font-family);
font-size: 0.75rem;
color: var(--ctp-subtext1);
}
/* ── Docs / Files placeholder ──────────────────────────────── */
.placeholder-pane {
flex: 1;
display: flex;
align-items: center;
justify-content: center;
color: var(--ctp-overlay0);
font-size: 0.8125rem;
font-style: italic;
}
/* ── Status bar ────────────────────────────────────────────── */
.status-bar {
height: var(--status-bar-height);
background: var(--ctp-crust);
border-top: 1px solid var(--ctp-surface0);
display: flex;
align-items: center;
gap: 1rem;
padding: 0 0.75rem;
flex-shrink: 0;
font-size: 0.75rem;
color: var(--ctp-subtext0);
}
.status-segment {
display: flex;
align-items: center;
gap: 0.3rem;
}
.status-dot-sm {
width: 0.4375rem;
height: 0.4375rem;
border-radius: 50%;
flex-shrink: 0;
}
.status-dot-sm.green { background: var(--ctp-green); }
.status-dot-sm.gray { background: var(--ctp-overlay0); }
.status-dot-sm.orange { background: var(--ctp-peach); }
.status-bar-spacer { flex: 1; }
.status-value {
color: var(--ctp-text);
font-weight: 500;
}

View file

@ -0,0 +1,12 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Svelte App</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/main.ts"></script>
</body>
</html>

View file

@ -0,0 +1,9 @@
import "./app.css";
import App from "./App.svelte";
import { mount } from "svelte";
const app = mount(App, {
target: document.getElementById("app")!,
});
export default app;