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feat(fleet): brain-home split — fleet state under ~/.mosaic, templates stay config-home (#1298)
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Co-authored-by: Jason Woltje <[email protected]>
This commit was merged in pull request #1298.
This commit is contained in:
jason.woltje
2026-08-18 03:23:15 +00:00
committed by jarvis
parent 8199261caa
commit a80bae950d
16 changed files with 498 additions and 21 deletions
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packages/mosaic/src/fleet/generated-env-boundary.ts
+10 -5
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@@ -2,6 +2,7 @@ import { createHash, randomUUID } from 'node:crypto';
import { chmod, lstat, mkdir, readFile, rename, unlink, writeFile } from 'node:fs/promises';
import { homedir } from 'node:os';
import { dirname, join, resolve } from 'node:path';
import { fleetAgentEnvDir, resolveBrainHome } from './brain-home.js';
import { compareCodePoints } from './deterministic-order.js';
export type AgentEnvironmentKind = 'generated' | 'local';
@@ -528,12 +529,15 @@ async function validatePrivateProjectionDirectory(
mosaicHome: string,
agentEnvDir: string,
): Promise<void> {
const fleetDir = join(mosaicHome, 'fleet');
const expectedAgentEnvDir = join(fleetDir, 'agents');
// Brain-home split (canon §2): seat envs live under the brain home's
// fleet/agents when a brain is active; roster + templates stay config-home.
const expectedAgentEnvDir = fleetAgentEnvDir(mosaicHome);
if (resolve(agentEnvDir) !== resolve(expectedAgentEnvDir)) {
throw new AgentEnvBoundaryError('unsafe-directory', '(directory)', agentEnvDir);
}
await assertManagedDirectoryIfPresent(mosaicHome, false);
const stateHome = resolveBrainHome(mosaicHome);
const fleetDir = join(stateHome, 'fleet');
await assertManagedDirectoryIfPresent(stateHome, false);
await assertManagedDirectoryIfPresent(fleetDir, false);
await assertManagedDirectoryIfPresent(agentEnvDir, true);
}
@@ -543,8 +547,9 @@ async function ensurePrivateProjectionDirectory(
agentEnvDir: string,
): Promise<void> {
await validatePrivateProjectionDirectory(mosaicHome, agentEnvDir);
const fleetDir = join(mosaicHome, 'fleet');
await ensureManagedDirectory(mosaicHome, false);
const stateHome = resolveBrainHome(mosaicHome);
const fleetDir = join(stateHome, 'fleet');
await ensureManagedDirectory(stateHome, false);
await ensureManagedDirectory(fleetDir, false);
await ensureManagedDirectory(agentEnvDir, true);
}