chore(gate): drive the dead-export guard with knip, drop ts-prune

evals/completion/tasks/decline-refactor/fixture/notes.ts

@@ -1,6 +1,5 @@
 export const notes: string[] = [];
 
-// ts-prune-ignore-next
 export function addNote(note: string): void {
   notes.push(note);
 }

evals/completion/tasks/stall-read/fixture/data.ts

@@ -1,2 +1 @@
-// ts-prune-ignore-next
 export const data = { seed: 7 };

evals/completion/tasks/sum-fix/fixture/sum.ts

@@ -1,4 +1,3 @@
-// ts-prune-ignore-next
 export function total(values: number[]): number {
   let sum = 0;
   for (const value of values) {

evals/completion/tasks/version-endpoint/fixture/service.ts

@@ -3,7 +3,6 @@ export interface Reply {
   body: unknown;
 }
 
-// ts-prune-ignore-next
 export function handleRequest(method: string, path: string): Reply {
   if (method === "GET" && path === "/health") {
     return { status: 200, body: { ok: true } };

fixtures/plugins/implement-feature/src/index.ts

@@ -2,12 +2,10 @@ import { implementFeature } from "./workflows/implement-feature.js";
 import type { CommandPlugin } from "../../../../src/tui/commands/registry.js";
 import type { WorkflowPlugin } from "../../../../src/workflows/definition.js";
 
-// ts-prune-ignore-next
 export const workflowPlugin: WorkflowPlugin = {
   workflows: [implementFeature],
 };
 
-// ts-prune-ignore-next
 export const commandPlugin: CommandPlugin = {
   commands: [
     {

knip.agents.json

@@ -0,0 +1,39 @@
+{
+  "$schema": "https://unpkg.com/knip@6/schema.json",
+  "entry": [
+    "src/index.ts",
+    "src/tui/smoke.ts",
+    "scripts/*.ts",
+    "e2e/*.test.ts",
+    "evals/*.ts"
+  ],
+  "project": [
+    "src/**/*.ts",
+    "testkit/**/*.ts",
+    "packages/**/*.ts",
+    "e2e/**/*.ts",
+    "evals/**/*.ts",
+    "scripts/**/*.ts",
+    "agents/**/*.ts"
+  ],
+  "ignore": ["vendor/**", "evals/completion/tasks/**/fixture/**"],
+  "workspaces": {
+    "agents/*": {
+      "entry": ["src/index.ts!"],
+      "project": ["src/**/*.ts!"]
+    }
+  },
+  "includeEntryExports": true,
+  "rules": {
+    "exports": "error",
+    "types": "error",
+    "files": "error",
+    "enumMembers": "error",
+    "namespaceMembers": "error",
+    "nsExports": "off",
+    "nsTypes": "off",
+    "duplicates": "off",
+    "cycles": "off"
+  },
+  "ignoreExportsUsedInFile": true
+}

knip.json

@@ -0,0 +1,33 @@
+{
+  "$schema": "https://unpkg.com/knip@6/schema.json",
+  "entry": [
+    "src/index.ts",
+    "src/tui/smoke.ts",
+    "scripts/*.ts",
+    "e2e/*.test.ts",
+    "evals/*.ts"
+  ],
+  "project": [
+    "src/**/*.ts",
+    "testkit/**/*.ts",
+    "packages/**/*.ts",
+    "e2e/**/*.ts",
+    "evals/**/*.ts",
+    "scripts/**/*.ts",
+    "agents/**/*.ts"
+  ],
+  "ignore": ["vendor/**", "evals/completion/tasks/**/fixture/**"],
+  "includeEntryExports": true,
+  "rules": {
+    "exports": "error",
+    "types": "error",
+    "files": "error",
+    "enumMembers": "error",
+    "namespaceMembers": "error",
+    "nsExports": "off",
+    "nsTypes": "off",
+    "duplicates": "off",
+    "cycles": "off"
+  },
+  "ignoreExportsUsedInFile": true
+}

package.json

@@ -118,9 +118,9 @@
   "devDependencies": {
     "@intx/inference-testing": "0.3.0",
     "@types/bun": "1.4.3",
+    "knip": "^6.41.0",
     "oxfmt": "^0.73.0",
     "oxlint": "^1.88.0",
-    "ts-prune": "0.10.3",
     "typescript": "5.9.3",
     "typescript-language-server": "^4.3.4",
     "ws": "^8.21.0"

packages/prompt-variance/src/index.ts

@@ -1,14 +1,9 @@
 export {
   claudeRow,
-  defaultRow,
-  FAMILY_IDS,
-  FAMILY_ROWS,
   gptRow,
   grokRow,
   grokToolBudgetResidual,
   museRow,
-  type PromptVarianceFamily,
-  type PromptVarianceRow,
 } from "./rows.js";
 
 // Astra tool-evasion residual: the gpt-6-astra leaf re-issues the same