huskies: merge 565_story_gateway_web_ui_shell_with_project_switcher

This commit is contained in:
dave
2026-04-14 11:24:12 +00:00
parent df5ba8ebab
commit efe434ede3
+238 -1
View File
@@ -9,7 +9,7 @@
use poem::EndpointExt; use poem::EndpointExt;
use poem::handler; use poem::handler;
use poem::http::StatusCode; use poem::http::StatusCode;
use poem::web::Data; use poem::web::{Data, Json};
use poem::{Body, Request, Response}; use poem::{Body, Request, Response};
use reqwest::Client; use reqwest::Client;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
@@ -545,6 +545,240 @@ pub async fn gateway_health_handler(state: Data<&Arc<GatewayState>>) -> Response
.body(Body::from(serde_json::to_vec(&body).unwrap_or_default())) .body(Body::from(serde_json::to_vec(&body).unwrap_or_default()))
} }
// ── Gateway Web UI ───────────────────────────────────────────────────
/// Self-contained HTML page for the gateway web UI. Fetches project list from
/// `/api/gateway` and switches projects via `POST /api/gateway/switch`, which
/// internally calls the `switch_project` MCP tool logic.
const GATEWAY_UI_HTML: &str = r#"<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Huskies Gateway</title>
<style>
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #0f172a;
color: #e2e8f0;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
}
.card {
background: #1e293b;
border: 1px solid #334155;
border-radius: 12px;
padding: 2rem;
width: 100%;
max-width: 480px;
box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.header {
display: flex;
align-items: center;
gap: 0.75rem;
margin-bottom: 1.5rem;
}
.logo { font-size: 1.75rem; }
h1 { font-size: 1.25rem; font-weight: 600; color: #f8fafc; }
.subtitle { font-size: 0.8rem; color: #64748b; margin-top: 0.125rem; }
label {
display: block;
font-size: 0.75rem;
font-weight: 500;
color: #94a3b8;
text-transform: uppercase;
letter-spacing: 0.05em;
margin-bottom: 0.5rem;
}
select {
width: 100%;
padding: 0.625rem 0.875rem;
background: #0f172a;
border: 1px solid #334155;
border-radius: 8px;
color: #f1f5f9;
font-size: 0.9rem;
cursor: pointer;
appearance: none;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
background-repeat: no-repeat;
background-position: right 0.875rem center;
padding-right: 2.5rem;
}
select:focus { outline: none; border-color: #6366f1; box-shadow: 0 0 0 2px rgba(99,102,241,0.25); }
.active-badge {
display: inline-flex;
align-items: center;
gap: 0.375rem;
background: rgba(99,102,241,0.15);
border: 1px solid rgba(99,102,241,0.4);
border-radius: 999px;
padding: 0.25rem 0.75rem;
font-size: 0.75rem;
color: #a5b4fc;
margin-top: 0.875rem;
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: #6366f1; }
.status { margin-top: 1rem; font-size: 0.8rem; color: #64748b; min-height: 1.25rem; }
.status.ok { color: #4ade80; }
.status.err { color: #f87171; }
</style>
</head>
<body>
<div class="card">
<div class="header">
<span class="logo">🐺</span>
<div>
<h1>Huskies Gateway</h1>
<div class="subtitle">Multi-project orchestration</div>
</div>
</div>
<label for="project-select">Active Project</label>
<select id="project-select" onchange="switchProject(this.value)">
<option disabled>Loading…</option>
</select>
<div id="active-label" class="active-badge" style="display:none">
<span class="dot"></span>
<span id="active-name"></span>
</div>
<div id="status" class="status"></div>
</div>
<script>
async function loadState() {
try {
const r = await fetch('/api/gateway');
const data = await r.json();
const sel = document.getElementById('project-select');
sel.innerHTML = '';
for (const p of data.projects) {
const opt = document.createElement('option');
opt.value = p.name;
opt.textContent = p.name + ' — ' + p.url;
if (p.name === data.active) opt.selected = true;
sel.appendChild(opt);
}
document.getElementById('active-name').textContent = data.active;
document.getElementById('active-label').style.display = 'inline-flex';
} catch(e) {
document.getElementById('status').textContent = 'Failed to load state: ' + e;
document.getElementById('status').className = 'status err';
}
}
async function switchProject(name) {
const statusEl = document.getElementById('status');
statusEl.className = 'status';
statusEl.textContent = 'Switching…';
try {
const r = await fetch('/api/gateway/switch', {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({project: name})
});
const data = await r.json();
if (data.ok) {
document.getElementById('active-name').textContent = name;
statusEl.className = 'status ok';
statusEl.textContent = 'Switched to ' + name;
} else {
statusEl.className = 'status err';
statusEl.textContent = data.error || 'Switch failed';
loadState();
}
} catch(e) {
statusEl.className = 'status err';
statusEl.textContent = 'Error: ' + e;
loadState();
}
}
loadState();
</script>
</body>
</html>
"#;
/// Serve the gateway web UI HTML page at `GET /`.
#[handler]
pub async fn gateway_index_handler() -> Response {
Response::builder()
.status(StatusCode::OK)
.header("Content-Type", "text/html; charset=utf-8")
.body(Body::from(GATEWAY_UI_HTML))
}
/// `GET /api/gateway` — returns the list of registered projects and the active project.
#[handler]
pub async fn gateway_api_handler(state: Data<&Arc<GatewayState>>) -> Response {
let active = state.active_project.read().await.clone();
let projects: Vec<Value> = state
.config
.projects
.iter()
.map(|(name, entry)| {
json!({
"name": name,
"url": entry.url,
})
})
.collect();
let body = json!({ "active": active, "projects": projects });
Response::builder()
.status(StatusCode::OK)
.header("Content-Type", "application/json")
.body(Body::from(serde_json::to_vec(&body).unwrap_or_default()))
}
/// Request body for `POST /api/gateway/switch`.
#[derive(Deserialize)]
struct SwitchRequest {
project: String,
}
/// `POST /api/gateway/switch` — switch the active project by calling the
/// `switch_project` MCP tool logic, then return `{"ok": true}` or `{"ok": false, "error": "..."}`.
#[handler]
pub async fn gateway_switch_handler(
state: Data<&Arc<GatewayState>>,
body: Json<SwitchRequest>,
) -> Response {
let params = json!({ "arguments": { "project": body.project } });
let resp = handle_switch_project(&params, &state).await;
let (ok, error) = if resp.result.is_some() {
(true, None)
} else {
let msg = resp
.error
.as_ref()
.map(|e| e.message.clone())
.unwrap_or_else(|| "unknown error".to_string());
(false, Some(msg))
};
let body_val = if ok {
json!({ "ok": true })
} else {
json!({ "ok": false, "error": error })
};
let status = if ok {
StatusCode::OK
} else {
StatusCode::BAD_REQUEST
};
Response::builder()
.status(status)
.header("Content-Type", "application/json")
.body(Body::from(
serde_json::to_vec(&body_val).unwrap_or_default(),
))
}
// ── Gateway server startup ─────────────────────────────────────────── // ── Gateway server startup ───────────────────────────────────────────
/// Start the gateway HTTP server. This is the entry point when `--gateway` is used. /// Start the gateway HTTP server. This is the entry point when `--gateway` is used.
@@ -588,6 +822,9 @@ pub async fn run(config_path: &Path, port: u16) -> Result<(), std::io::Error> {
); );
let route = poem::Route::new() let route = poem::Route::new()
.at("/", poem::get(gateway_index_handler))
.at("/api/gateway", poem::get(gateway_api_handler))
.at("/api/gateway/switch", poem::post(gateway_switch_handler))
.at( .at(
"/mcp", "/mcp",
poem::post(gateway_mcp_post_handler).get(gateway_mcp_get_handler), poem::post(gateway_mcp_post_handler).get(gateway_mcp_get_handler),