refactor(runtime): centralize lifecycle constants

src/main/constants.ts

@@ -0,0 +1,18 @@
+/**
+ * Task and workspace locks are considered stale after 15 minutes. The window
+ * covers heartbeat cadence, worst-case model/tool round trips, and shutdown
+ * recovery margin while still releasing abandoned work within one operator
+ * session.
+ */
+export const STALE_LOCK_TIMEOUT_MS = 15 * 60 * 1000;
+
+export const DOCUMENT_LIFECYCLE_PROCESSOR_DEFAULTS = {
+  /** Five attempts cover transient filesystem/indexing failures without hiding a broken hook. */
+  maxAttempts: 5,
+  /** Document hooks are local metadata side effects; 60s separates a dead handler from a slow one. */
+  staleRunningMs: 60_000,
+  /** Keeps a burst of document hooks efficient while bounding one sweep's synchronous work. */
+  batchSize: 32,
+  /** Recovers crash leftovers quickly without turning idle profiles into polling loops. */
+  sweepIntervalMs: 15_000,
+} as const;