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fix: make MongoDB mandatory, fail loud instead of degrading

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Reverse the best-effort error swallowing. MongoDB is core to PodMan's
continual-learning story and must always be used, so a broken memory
layer must surface immediately rather than silently masquerade as
working (which is how observations stayed at 0 unnoticed).

- agent verifies Mongo via initMemory() at boot; bad creds / unreachable
  Atlas now fail loudly before joining the room, not mid-demo
- server exits on Mongo init failure instead of warning and limping on
- getGitStates and onScreenFrame no longer swallow Mongo errors
- memory persist() logs the failure and rethrows instead of warning

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AaCFWMkYQmTcuPsxaaACft
This commit is contained in:
Ramis
2026-06-27 20:34:27 -07:00
parent 6a6fbca9e0
commit 745f0032f7
5 changed files with 36 additions and 37 deletions
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backend/src/agent/podman.ts
+13 -19
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@@ -43,27 +43,21 @@ export class PodMan {
}
async onScreenFrame(engineerId: string, jpeg: Buffer): Promise<void> {
// Whole-frame guard: a Gemini/GitHub/Mongo failure on one frame must degrade
// gracefully, never crash the long-running live agent loop.
try {
const ctx = await analyzeFrame(engineerId, this.podId, jpeg);
this.contexts.set(engineerId, ctx);
await recordObservation(ctx);
const ctx = await analyzeFrame(engineerId, this.podId, jpeg);
this.contexts.set(engineerId, ctx);
await recordObservation(ctx);
// Fuse git ground truth: engineer_states written by scripts/podman-agent.mjs.
// Keyed by name (matches --name arg), same as LiveKit participant identity.
const gitStates = await getGitStates(this.podId);
for (const [id, c] of this.contexts) {
const git = gitStates.get(id);
if (git && git.changedFiles.length > 0) c.hasUnpushedChanges = true;
}
const github = await getGithubState(); // cached
const collisions = detectCollisions([...this.contexts.values()], github);
for (const collision of collisions) await this.handle(collision);
} catch (err) {
console.warn(`[agent] frame from ${engineerId} skipped: ${(err as Error).message}`);
// Fuse git ground truth: engineer_states written by scripts/podman-agent.mjs.
// Keyed by name (matches --name arg), same as LiveKit participant identity.
const gitStates = await getGitStates(this.podId);
for (const [id, c] of this.contexts) {
const git = gitStates.get(id);
if (git && git.changedFiles.length > 0) c.hasUnpushedChanges = true;
}
const github = await getGithubState(); // cached
const collisions = detectCollisions([...this.contexts.values()], github);
for (const collision of collisions) await this.handle(collision);
}
private async handle(collision: Collision): Promise<void> {