feat(okr): UserPromptSubmit emne-guard + test (SC6) [skip-docs]

tests/topic-guard.test.mjs

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+// topic-guard.test.mjs
+// Tester UserPromptSubmit emne-guard (SC6) i inject-okr-context: kun
+// OKR-relevante prompter injiserer kontekst; en eksplisitt ikke-matchende
+// prompt suppresses; tvil (tomt felt / ingen stdin) -> default-inject.
+// Spawner hooken som subprosess med kontrollert cwd + stdin. Zero npm deps.
+// Moenster: tests/inject-okr-context.test.mjs (begge-casen + input-opsjon).
+
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { execFileSync } from 'node:child_process';
+import { mkdtempSync, mkdirSync, writeFileSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join, dirname } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const HOOK = join(
+  dirname(fileURLToPath(import.meta.url)),
+  '..',
+  'hooks',
+  'scripts',
+  'inject-okr-context.mjs',
+);
+
+function makeProjectConfig(workDir, navn) {
+  const p = join(workDir, '.claude');
+  mkdirSync(p, { recursive: true });
+  writeFileSync(join(p, 'okr.local.md'), `---\nnavn: "${navn}"\n---\n`);
+}
+
+function runHook(cwd, input = '') {
+  // execFileSync returnerer stdout; hooken avslutter alltid med exit 0.
+  return execFileSync('node', [HOOK], {
+    cwd,
+    env: { ...process.env },
+    input: input,
+    encoding: 'utf8',
+  });
+}
+
+function withWork(fn) {
+  const work = mkdtempSync(join(tmpdir(), 'okrtopic-'));
+  try {
+    fn(work);
+  } finally {
+    rmSync(work, { recursive: true, force: true });
+  }
+}
+
+test('irrelevant prompt: suppresses injeksjon (tom stdout)', () => {
+  withWork((work) => {
+    makeProjectConfig(work, 'TopicOrg');
+    const out = runHook(work, JSON.stringify({ prompt: 'hva er vaeret i dag' }));
+    assert.equal(out.trim(), '', 'ikke-OKR-prompt skal suppresses selv med gyldig config');
+  });
+});
+
+test('relevant prompt: injiserer OKR-kontekst', () => {
+  withWork((work) => {
+    makeProjectConfig(work, 'TopicOrg');
+    const out = runHook(work, JSON.stringify({ prompt: 'hjelp meg skrive en OKR for neste tertial' }));
+    assert.match(out, /OKR-kontekst/, 'OKR-relevant prompt skal injisere kontekst');
+  });
+});
+
+test('tomt prompt-felt: bevarer inject-default (tvil -> injiser)', () => {
+  withWork((work) => {
+    makeProjectConfig(work, 'TopicOrg');
+    const out = runHook(work, JSON.stringify({ prompt: '' }));
+    assert.match(out, /OKR-kontekst/, 'tomt prompt-felt -> tvil -> injiser');
+  });
+});
+
+test('ingen stdin: bevarer inject-default (regresjonsvakt)', () => {
+  withWork((work) => {
+    makeProjectConfig(work, 'TopicOrg');
+    const out = runHook(work); // input utelatt -> tom stdin
+    assert.match(out, /OKR-kontekst/, 'ingen stdin -> tvil -> injiser');
+  });
+});