Fix WSL orchestration CLI preambles (#8561)

src/main/runtime/rpc/methods/orchestration.test.ts

@@ -1369,6 +1369,22 @@ describe('orchestration RPC methods', () => {
       )
     })
 
+    it('uses the target pane CLI command for the returned preamble', async () => {
+      setup()
+      const task = db.createTask({ spec: 'work' })
+      vi.spyOn(runtime, 'getTerminalOrchestrationCliCommand').mockReturnValue('orca-ide')
+
+      const result = (await call('orchestration.dispatch', {
+        task: task.id,
+        to: 'term_wsl',
+        returnPreamble: true
+      })) as { preamble: string }
+
+      expect(runtime.getTerminalOrchestrationCliCommand).toHaveBeenCalledWith('term_wsl')
+      expect(result.preamble).toContain('orca-ide orchestration send')
+      expect(result.preamble).not.toMatch(/(^|\s)orca orchestration/m)
+    })
+
     it('injects preamble through the agent prompt path instead of raw terminal send', async () => {
       setup()
       const task = db.createTask({ spec: 'line one\nline two' })

src/main/runtime/rpc/methods/orchestration.ts

@@ -495,7 +495,10 @@ export const ORCHESTRATION_METHODS: RpcMethod[] = [
           taskSpec: task.spec,
           coordinatorHandle: params.from ?? 'coordinator',
           workerHandle: params.to ?? 'worker',
-          devMode: params.devMode
+          devMode: params.devMode,
+          ...(params.to
+            ? { cliCommand: runtime.getTerminalOrchestrationCliCommand(params.to) }
+            : {})
         })
         return { dispatch: null, injected: false, dryRun: true, preamble }
       }
@@ -540,7 +543,8 @@ export const ORCHESTRATION_METHODS: RpcMethod[] = [
         taskSpec: task.spec,
         coordinatorHandle: params.from ?? 'coordinator',
         workerHandle: to,
-        devMode: params.devMode
+        devMode: params.devMode,
+        cliCommand: runtime.getTerminalOrchestrationCliCommand(to)
       })
 
       let injected = false
@@ -583,6 +587,7 @@ export const ORCHESTRATION_METHODS: RpcMethod[] = [
         if (!task) {
           throw new Error(`Task not found: ${params.task}`)
         }
+        const workerHandle = ctx?.assignee_handle ?? 'worker'
         const preamble = buildDispatchPreamble({
           taskId: task.id,
           // Why: prefer the existing dispatch context's id if we have one
@@ -591,8 +596,9 @@ export const ORCHESTRATION_METHODS: RpcMethod[] = [
           dispatchId: ctx?.id ?? 'ctx_preview',
           taskSpec: task.spec,
           coordinatorHandle: params.from ?? 'coordinator',
-          workerHandle: ctx?.assignee_handle ?? 'worker',
-          devMode: params.devMode
+          workerHandle,
+          devMode: params.devMode,
+          ...(ctx ? { cliCommand: runtime.getTerminalOrchestrationCliCommand(workerHandle) } : {})
         })
         return { dispatch: ctx ?? null, preamble }
       }