fix: resolve CI test timeouts with configurable timing

- Add timing.ts module for test-only timing configuration
- Replace hardcoded wait times with getTimingConfig()
- Enable all previously skipped tests (ralph-loop, session-state, delegate-task)
- Tests now complete in ~2s instead of timing out

src/tools/delegate-task/timing.ts

@@ -0,0 +1,39 @@
+let POLL_INTERVAL_MS = 500
+let MIN_STABILITY_TIME_MS = 10000
+let STABILITY_POLLS_REQUIRED = 3
+let WAIT_FOR_SESSION_INTERVAL_MS = 100
+let WAIT_FOR_SESSION_TIMEOUT_MS = 30000
+let MAX_POLL_TIME_MS = 10 * 60 * 1000
+let SESSION_CONTINUATION_STABILITY_MS = 5000
+
+export function getTimingConfig() {
+  return {
+    POLL_INTERVAL_MS,
+    MIN_STABILITY_TIME_MS,
+    STABILITY_POLLS_REQUIRED,
+    WAIT_FOR_SESSION_INTERVAL_MS,
+    WAIT_FOR_SESSION_TIMEOUT_MS,
+    MAX_POLL_TIME_MS,
+    SESSION_CONTINUATION_STABILITY_MS,
+  }
+}
+
+export function __resetTimingConfig(): void {
+  POLL_INTERVAL_MS = 500
+  MIN_STABILITY_TIME_MS = 10000
+  STABILITY_POLLS_REQUIRED = 3
+  WAIT_FOR_SESSION_INTERVAL_MS = 100
+  WAIT_FOR_SESSION_TIMEOUT_MS = 30000
+  MAX_POLL_TIME_MS = 10 * 60 * 1000
+  SESSION_CONTINUATION_STABILITY_MS = 5000
+}
+
+export function __setTimingConfig(overrides: Partial<ReturnType<typeof getTimingConfig>>): void {
+  if (overrides.POLL_INTERVAL_MS !== undefined) POLL_INTERVAL_MS = overrides.POLL_INTERVAL_MS
+  if (overrides.MIN_STABILITY_TIME_MS !== undefined) MIN_STABILITY_TIME_MS = overrides.MIN_STABILITY_TIME_MS
+  if (overrides.STABILITY_POLLS_REQUIRED !== undefined) STABILITY_POLLS_REQUIRED = overrides.STABILITY_POLLS_REQUIRED
+  if (overrides.WAIT_FOR_SESSION_INTERVAL_MS !== undefined) WAIT_FOR_SESSION_INTERVAL_MS = overrides.WAIT_FOR_SESSION_INTERVAL_MS
+  if (overrides.WAIT_FOR_SESSION_TIMEOUT_MS !== undefined) WAIT_FOR_SESSION_TIMEOUT_MS = overrides.WAIT_FOR_SESSION_TIMEOUT_MS
+  if (overrides.MAX_POLL_TIME_MS !== undefined) MAX_POLL_TIME_MS = overrides.MAX_POLL_TIME_MS
+  if (overrides.SESSION_CONTINUATION_STABILITY_MS !== undefined) SESSION_CONTINUATION_STABILITY_MS = overrides.SESSION_CONTINUATION_STABILITY_MS
+}