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fix: stop agent crashing on Mongo errors during live loop

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A Mongo auth/connection failure in getGitStates escaped uncaught and
killed the agent process on the first screen frame, so collision
detection never ran. Make git-state fusion best-effort (degrade to
vision-only) and wrap the whole onScreenFrame loop so no per-frame
Gemini/GitHub/Mongo error can crash the long-running agent.

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 20:31:38 -07:00
parent fe37f35522
commit 6a6fbca9e0
2 changed files with 33 additions and 21 deletions
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backend/src/agent/podman.ts
+19 -13
View File
@@ -43,21 +43,27 @@ export class PodMan {
}
async onScreenFrame(engineerId: string, jpeg: Buffer): Promise<void> {
const ctx = await analyzeFrame(engineerId, this.podId, jpeg);
this.contexts.set(engineerId, ctx);
await recordObservation(ctx);
// 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);
// 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;
// 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}`);
}
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> {
backend/src/memory/db.ts
+14 -8
View File
@@ -69,15 +69,21 @@ export async function getGitStates(podId: string): Promise<Map<string, GitState>
recentCommit?: string | null;
gitUpdatedAt?: Date;
}>('engineer_states');
const docs = await col.find({ podId }).toArray();
const map = new Map<string, GitState>();
for (const doc of docs) {
map.set(doc.name, {
changedFiles: doc.changedFiles ?? [],
branch: doc.branch ?? null,
recentCommit: doc.recentCommit ?? null,
gitUpdatedAt: doc.gitUpdatedAt ?? null,
});
try {
const docs = await col.find({ podId }).toArray();
for (const doc of docs) {
map.set(doc.name, {
changedFiles: doc.changedFiles ?? [],
branch: doc.branch ?? null,
recentCommit: doc.recentCommit ?? null,
gitUpdatedAt: doc.gitUpdatedAt ?? null,
});
}
} catch (err) {
// Best-effort: a Mongo hiccup degrades git fusion, it must not crash the
// live agent loop. Detection falls back to vision-only signals.
console.warn(`[memory] getGitStates failed: ${(err as Error).message}`);
}
return map;
}