fix: clean up final 16 no-unused-vars warnings (#22751)

packages/opencode/test/acp/event-subscription.test.ts

@@ -463,9 +463,9 @@ describe("acp.agent event subscription", () => {
 
         // Make permission request for session A block until we release it
         const originalRequestPermission = connection.requestPermission.bind(connection)
-        let permissionCalls = 0
+        let _permissionCalls = 0
         connection.requestPermission = async (params: RequestPermissionParams) => {
-          permissionCalls++
+          _permissionCalls++
           if (params.sessionId.endsWith("1")) {
             await permissionABlocking
           }

packages/opencode/test/config/config.test.ts

@@ -858,7 +858,6 @@ it.live("dedupes concurrent config dependency installs for the same dir", () =>
     let calls = 0
     const online = spyOn(Network, "online").mockReturnValue(false)
     const ready = Deferred.makeUnsafe<void>()
-    const blocked = Deferred.makeUnsafe<void>()
     const hold = Deferred.makeUnsafe<void>()
     const target = path.normalize(dir)
     const run = spyOn(Npm, "install").mockImplementation(async (d: string) => {
@@ -921,7 +920,6 @@ it.live("serializes config dependency installs across dirs", () =>
     let open = 0
     let peak = 0
     const ready = Deferred.makeUnsafe<void>()
-    const blocked = Deferred.makeUnsafe<void>()
     const hold = Deferred.makeUnsafe<void>()
 
     const online = spyOn(Network, "online").mockReturnValue(false)

packages/opencode/test/effect/runner.test.ts

@@ -395,7 +395,6 @@ describe("Runner", () => {
     Effect.gen(function* () {
       const s = yield* Scope.Scope
       const runner = Runner.make<string>(s)
-      const gate = yield* Deferred.make<void>()
 
       const sh = yield* runner.startShell(Effect.never.pipe(Effect.as("aborted"))).pipe(Effect.forkChild)
       yield* Effect.sleep("10 millis")

packages/opencode/test/mcp/lifecycle.test.ts

@@ -652,9 +652,8 @@ test("McpOAuthCallback.cancelPending is keyed by mcpName but pendingAuths uses o
 
   // The callback should still be pending because cancelPending looked up
   // "my-mcp-server" in a map keyed by "abc123hexstate"
-  let resolved = false
   let rejected = false
-  callbackPromise.then(() => (resolved = true)).catch(() => (rejected = true))
+  callbackPromise.then(() => {}).catch(() => (rejected = true))
 
   // Give it a tick
   await new Promise((r) => setTimeout(r, 50))