test(vitest): unify and type-check plugin tests

.github/actions/ci-build-typecheck/action.yaml

@@ -37,7 +37,7 @@ runs:
 
     - name: Typecheck plugin
       shell: bash
-      run: cd nemoclaw && npx tsc --noEmit --incremental
+      run: npm --prefix nemoclaw run typecheck
 
     - name: Typecheck JavaScript config
       shell: bash

.pre-commit-config.yaml

@@ -229,7 +229,7 @@ repos:
     hooks:
       - id: tsc-plugin
         name: TypeScript (plugin)
-        entry: bash -c 'cd nemoclaw && npx tsc --noEmit --incremental'
+        entry: npm --prefix nemoclaw run typecheck
         language: system
         pass_filenames: false
         files: ^nemoclaw/

AGENTS.md

@@ -58,6 +58,7 @@ Package-specific guides:
 | Run repo-wide pre-commit and coverage checks | `npm run check` |
 | Reproduce `pre-commit`, `commit-msg`, and `pre-push` checks for the current diff | `npm run check:diff` |
 | Type-check CLI | `npm run typecheck:cli` |
+| Type-check plugin and plugin tests | `npm --prefix nemoclaw run typecheck` |
 | Auto-format | `npm run format` |
 | Build docs | `npm run docs` |
 | Serve docs locally | `npm run docs:live` |
@@ -143,7 +144,8 @@ For shell scripts use `#` comments. For Markdown use HTML comments.
 
 - Plugin code in `nemoclaw/src/` is linted and formatted by the root Biome config
 - CLI type-checking via `tsconfig.cli.json`
-- Plugin type-checking via `nemoclaw/tsconfig.json`
+- Plugin production and test type-checking via `npm --prefix nemoclaw run typecheck`, using
+  `nemoclaw/tsconfig.json` and `nemoclaw/tsconfig.test.json`
 
 ### Shell Scripts
 

CONTRIBUTING.md

@@ -149,7 +149,7 @@ npm --prefix nemoclaw install --include=dev --ignore-scripts
 npm run build:cli
 npm --prefix nemoclaw run build
 npm run typecheck:cli
-./nemoclaw/node_modules/.bin/tsc --noEmit -p nemoclaw/tsconfig.json
+npm --prefix nemoclaw run typecheck
 ./node_modules/.bin/prek install
 ```
 
@@ -161,6 +161,7 @@ The TypeScript plugin lives in `nemoclaw/` and compiles with `tsc`:
 cd nemoclaw
 npm run build        # one-time compile
 npm run dev          # watch mode
+npm run typecheck    # type-check production and test sources without emitting
 ```
 
 The CLI (`bin/`, `scripts/`) is type-checked separately:
@@ -196,6 +197,7 @@ These are the primary npm scripts for day-to-day development:
 | `npm run check:diff` | Reproduce `pre-commit`, `commit-msg`, and `pre-push` checks for the diff from `origin/main` |
 | `npm run format` | Auto-format Biome-supported source files |
 | `npm run typecheck:cli` | Type-check the root TypeScript project using `tsconfig.cli.json` |
+| `npm --prefix nemoclaw run typecheck` | Type-check plugin production and test sources without emitting files |
 | `npm test` | Build package artifacts and run every non-live Vitest project for broad changes |
 | `npm run test:spec` | Run every non-live test with hierarchical behavior-oriented output |
 | `npm run test:fast` | Clean `dist/` and run source CLI, plugin, and E2E-support tests |

ci/test-file-size-budget.json

@@ -2,7 +2,7 @@
   "$comment": "SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.\nSPDX-License-Identifier: Apache-2.0",
   "defaultMaxLines": 1500,
   "legacyMaxLines": {
-    "nemoclaw/src/commands/migration-state.test.ts": 1566,
+    "nemoclaw/src/commands/migration-state.test.ts": 1565,
     "src/lib/inference/nim.test.ts": 2068,
     "src/lib/onboard/preflight.test.ts": 1904,
     "test/generate-openclaw-config.test.ts": 1941,