feat: add provisioning lifecycle actions

Rename Deployments to Provisioning with compatible redirects and APIs. Add durable Start, Restart, Stop, and Rebuild operations alongside Create and Destroy; rebuild wipes the instance and recreates it in the same slot and port.

Add lifecycle, migration, recovery, and Komodo command tests. Type checks and production build pass; the full suite retains a telemetry assertion failure reproduced on the unchanged branch.

Refs #39

src/routes/api/provisioning/+server.ts

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+import { json } from '@sveltejs/kit';
+import { listDeployments } from '$lib/server/fleet/deployments.js';
+import { requestLifecycle } from '$lib/server/fleet/lifecycle.js';
+import { runtimeActions, type RuntimeAction } from '$lib/provisioning.js';
+import { kick } from '$lib/server/pipeline/worker.js';
+
+export function GET() { return json({ deployments: listDeployments() }); }
+
+export async function POST({ request }: { request: Request }) {
+    const body = await request.json().catch(() => null);
+    if (!body || typeof body.server !== 'string' || !body.server || !runtimeActions.includes(body.action)) {
+        return json({ error: 'server and a valid lifecycle action are required.' }, { status: 400 });
+    }
+    try {
+        const result = requestLifecycle(body.server, body.action as RuntimeAction);
+        if (!result.ok) return json({ error: result.error }, { status: result.status });
+        void kick().catch(err => console.error('[provisioning] worker kick failed:', err));
+        return json(result, { status: 202 });
+    } catch (err) { return json({ error: (err as Error).message }, { status: 400 }); }
+}

src/routes/api/provisioning/[id]/+server.ts

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+export * from '../../deployments/[id]/+server.js';

src/routes/api/provisioning/[id]/cancel/+server.ts

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+export * from '../../../deployments/[id]/cancel/+server.js';

src/routes/api/provisioning/[id]/resume/+server.ts

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+export * from '../../../deployments/[id]/resume/+server.js';

src/routes/api/provisioning/house-party/+server.ts

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+export * from '../../deployments/house-party/+server.js';

src/routes/api/provisioning/preview/+server.ts

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+export * from '../../deployments/preview/+server.js';