refactor(core): simplify session run coordination (#33388)

packages/core/src/session/execution.ts

@@ -5,12 +5,12 @@ import { SessionRunner } from "./runner/index"
 import { SessionSchema } from "./schema"
 
 export interface Interface {
-  /** Explicitly drain one Session, making at least one provider attempt. */
+  /** Starts execution while idle or joins the active execution. */
   readonly resume: (sessionID: SessionSchema.ID) => Effect.Effect<void, SessionRunner.RunError>
-  /** Schedule a drain after durable work is recorded. Repeated wakeups may coalesce. */
-  readonly wake: (sessionID: SessionSchema.ID, seq?: number) => Effect.Effect<void, SessionRunner.RunError>
+  /** Registers newly recorded work. Repeated wakeups may coalesce. */
+  readonly wake: (sessionID: SessionSchema.ID) => Effect.Effect<void>
   /** Interrupt active work owned by this process. Idle interruption is a no-op. */
-  readonly interrupt: (sessionID: SessionSchema.ID, seq?: number) => Effect.Effect<void>
+  readonly interrupt: (sessionID: SessionSchema.ID) => Effect.Effect<void>
 }
 
 /** Routes execution from a Session ID to the runner owned by that Session's Location. */