context-engine: remove sessionKey from factory context

src/agents/pi-embedded-runner/compact.queued.ts

@@ -55,7 +55,6 @@ export async function compactEmbeddedPiSession(
   const contextEngine = await resolveContextEngine(params.config, {
     agentDir,
     workspaceDir: resolveUserPath(params.workspaceDir),
-    sessionKey: params.sessionKey,
   });
   let contextTokenBudget = params.contextTokenBudget;
   if (!contextTokenBudget || !Number.isFinite(contextTokenBudget) || contextTokenBudget <= 0) {

src/agents/pi-embedded-runner/run.ts

@@ -743,7 +743,6 @@ export async function runEmbeddedPiAgent(
       const contextEngine = await resolveContextEngine(params.config, {
         agentDir: params.agentDir,
         workspaceDir: params.workspaceDir,
-        sessionKey: params.sessionKey,
       });
       try {
         let activeSessionId = params.sessionId;

src/context-engine/context-engine.test.ts

@@ -727,14 +727,12 @@ describe("Factory context passing", () => {
     await resolveContextEngine(cfg, {
       agentDir: "/tmp/agent",
       workspaceDir: "/tmp/workspace",
-      sessionKey: "agent:main:test",
     });
 
     expect(receivedCtx).toBeDefined();
     expect(receivedCtx!.config).toBe(cfg);
     expect(receivedCtx!.agentDir).toBe("/tmp/agent");
     expect(receivedCtx!.workspaceDir).toBe("/tmp/workspace");
-    expect(receivedCtx!.sessionKey).toBe("agent:main:test");
   });
 
   it("no-arg factories still work when context is passed", async () => {
@@ -761,7 +759,6 @@ describe("Factory context passing", () => {
     const engine = await resolveContextEngine(configWithSlot(engineId), {
       agentDir: "/tmp/agent",
       workspaceDir: "/tmp/workspace",
-      sessionKey: "agent:main:test",
     });
 
     expect(called).toBe(true);
@@ -797,7 +794,6 @@ describe("Factory context passing", () => {
     expect(receivedCtx!.config).toBeDefined();
     expect(receivedCtx!.agentDir).toBeUndefined();
     expect(receivedCtx!.workspaceDir).toBeUndefined();
-    expect(receivedCtx!.sessionKey).toBeUndefined();
   });
 });
 

src/context-engine/registry.ts

@@ -13,7 +13,6 @@ export type ContextEngineFactoryContext = {
   config: OpenClawConfig;
   agentDir?: string;
   workspaceDir?: string;
-  sessionKey?: string;
 };
 
 /**
@@ -479,7 +478,6 @@ function describeResolvedContextEngineContractError(
 export type ResolveContextEngineOptions = {
   agentDir?: string;
   workspaceDir?: string;
-  sessionKey?: string;
 };
 
 /**
@@ -490,7 +488,7 @@ export type ResolveContextEngineOptions = {
  *   2. Default slot value ("legacy")
  *
  * When `config` is provided it is forwarded to the factory as part of a
- * {@link ContextEngineFactoryContext}. Additional runtime paths and keys
+ * {@link ContextEngineFactoryContext}. Additional runtime paths
  * can be supplied via `options`. No-arg factories still work — the context
  * parameter is silently ignored by factories that don't declare it.
  *
@@ -515,7 +513,6 @@ export async function resolveContextEngine(
     config: config ?? ({} as OpenClawConfig),
     agentDir: options?.agentDir,
     workspaceDir: options?.workspaceDir,
-    sessionKey: options?.sessionKey,
   };
 
   const entry = getContextEngineRegistryState().engines.get(engineId);