[Init] Initial commit - NetMesh terminal manager

infrastructure/ai/harness/streamTimeouts.ts

@@ -0,0 +1,54 @@
+import type { AIPermissionMode } from '../types';
+import { CATTY_APPROVAL_HARD_DEADLINE_MS } from '../shared/approvalConstants';
+
+const THIRTY_MINUTES_MS = 30 * 60 * 1000;
+const TEN_MINUTES_MS = 10 * 60 * 1000;
+const TWO_MINUTES_MS = 2 * 60 * 1000;
+const NINETY_SECONDS_MS = 90 * 1000;
+const COMPACTION_TIMEOUT_MS = 90 * 1000;
+const MAX_ABORT_TIMEOUT_MS = 2_147_483_647;
+
+export interface BuildCattyStreamTimeoutsInput {
+  permissionMode?: AIPermissionMode;
+  commandTimeoutMs?: number;
+  responseIdleTimeoutMs?: number;
+  maxIterations?: number;
+}
+
+/** v7 streamText timeout profile for Catty multi-step agent turns. */
+export function buildCattyStreamTimeouts(
+  input: BuildCattyStreamTimeoutsInput = {},
+) {
+  // Budget the hard approval deadline so a mid-review re-arm is not cut off by toolMs.
+  const approvalBudgetMs = input.permissionMode === 'confirm' ? CATTY_APPROVAL_HARD_DEADLINE_MS : 0;
+  const stepCount =
+    Number.isFinite(input.maxIterations) && input.maxIterations != null && input.maxIterations > 0
+      ? Math.max(1, Math.floor(input.maxIterations))
+      : 1;
+  const commandTimeoutBudgetMs =
+    Number.isFinite(input.commandTimeoutMs) && input.commandTimeoutMs > 0
+      ? input.commandTimeoutMs + approvalBudgetMs + NINETY_SECONDS_MS
+      : 0;
+  const responseIdleTimeoutMs =
+    Number.isFinite(input.responseIdleTimeoutMs) && input.responseIdleTimeoutMs > 0
+      ? input.responseIdleTimeoutMs
+      : TWO_MINUTES_MS;
+  const responseStepBudgetMs = responseIdleTimeoutMs + NINETY_SECONDS_MS;
+  const stepBudgetMs = Math.max(
+    TEN_MINUTES_MS,
+    responseStepBudgetMs + commandTimeoutBudgetMs,
+  );
+  const totalBudgetMs = Math.max(THIRTY_MINUTES_MS, stepBudgetMs * stepCount);
+  const totalMs = totalBudgetMs <= MAX_ABORT_TIMEOUT_MS ? totalBudgetMs : undefined;
+  return {
+    totalMs,
+    stepMs: stepBudgetMs,
+    chunkMs: Math.max(responseIdleTimeoutMs, commandTimeoutBudgetMs),
+    toolMs: Math.max(CATTY_APPROVAL_HARD_DEADLINE_MS + NINETY_SECONDS_MS, commandTimeoutBudgetMs),
+  };
+}
+
+/** Shorter timeout for LLM compaction summarize calls. */
+export function buildCattyCompactionTimeout() {
+  return COMPACTION_TIMEOUT_MS;
+}