fix(ext): !stop getActiveSessionId stale primitive — use step-probe getter #task-410

extension/package.json

@@ -2,7 +2,7 @@
     "name": "gravity-bridge",
     "displayName": "Gravity Bridge",
     "description": "Antigravity ↔ Discord 브리지 연동 확장",
-    "version": "0.4.5",
+    "version": "0.4.6",
     "publisher": "variet",
     "engines": {
         "vscode": "^1.100.0"

extension/src/extension.ts

@@ -16,7 +16,7 @@ import * as path from 'path';
 import * as os from 'os';
 import * as cp from 'child_process';
 import { WSBridgeClient, WSResponseData, WSCommandData } from './ws-client';
-import { initStepProbe, BridgeContext, writePendingApproval, tryApprovalStrategies, writeRegistration, getApprovalContext, resetPendingState, handleDiffReviewResponse } from './step-probe';
+import { initStepProbe, BridgeContext, writePendingApproval, tryApprovalStrategies, writeRegistration, getApprovalContext, resetPendingState, handleDiffReviewResponse, getActiveSessionId as getStepProbeSessionId } from './step-probe';
 import { startHttpBridge, getDeterministicPort, HttpBridgeContext } from './http-bridge';
 import { setupApprovalObserver } from './html-patcher';
 import { watchCommandsDir, handleWSCommand, disposeCommandsWatcher, CommandHandlerContext } from './command-handler';
@@ -430,7 +430,7 @@ export async function activate(context: vscode.ExtensionContext) {
                     bridgePath, projectName, sdk, ls: sdk?.ls, autoApproveEnabled, logToFile,
                     onAutoApproveChanged: (enabled: boolean) => { autoApproveEnabled = enabled; },
                     recentDiscordSentTexts,
-                    getActiveSessionId: () => activeSessionId,
+                    getActiveSessionId: () => getStepProbeSessionId(),
                 }, data);
             },
             onInstanceUpdate: (count, instances) => {
@@ -560,7 +560,7 @@ export async function activate(context: vscode.ExtensionContext) {
         bridgePath, projectName, sdk, ls: sdk?.ls, autoApproveEnabled, logToFile,
         onAutoApproveChanged: (enabled: boolean) => { autoApproveEnabled = enabled; },
         recentDiscordSentTexts,
-        getActiveSessionId: () => activeSessionId,
+        getActiveSessionId: () => getStepProbeSessionId(),
     });
 
     // Response watcher is now initialized by initStepProbe() above

extension/src/step-probe.ts

@@ -52,6 +52,18 @@ export function getApprovalContext(): { sessionId: string; stepIndex: number } {
     };
 }
 
+/**
+ * Get the active session ID tracked by step-probe polling.
+ * Used by command-handler (via extension.ts) for !stop → CancelCascadeInvocation.
+ *
+ * CRITICAL: extension.ts must use this getter instead of its own module-level
+ * `activeSessionId` variable, which is a stale primitive copy that never updates
+ * when step-probe discovers new sessions.
+ */
+export function getActiveSessionId(): string {
+    return ctx?.activeSessionId || '';
+}
+
 /**
  * Reset pending state after successful approval.
  * Called after WS response triggers approval in extension.ts.