test: remove Kimi tool-vocabulary hook tests

The Kimi payload normalization they exercised went away with the Kimi runtime.
The Claude-vocabulary force-add block test from the same suite is kept.

tests/read-guard.test.cjs

@@ -512,157 +512,3 @@ describe('bug #2520: read guard detects Claude Code without relying on CLAUDECOD
 });
   });
 }
-
-
-// ────────────────────────────────────────────────────────────────────────
-// #2304 — Kimi tool vocabulary engages the read guard
-// ────────────────────────────────────────────────────────────────────────
-
-describe('#2304: Kimi tool vocabulary is normalized by the read guard', () => {
-  // Payload shapes mirror kimi-cli's actual tool schemas
-  // (src/kimi_cli/tools/file/{write,replace}.py): WriteFile takes
-  // `path`/`content`, StrReplaceFile takes `path` + `edit: Edit | list[Edit]`.
-  //
-  // SCOPE (#2547 finding 3): these cases omit `session_id`, so what they prove
-  // is that normalizeKimiPayload maps the Kimi tool VOCABULARY through to the
-  // Write/Edit branch — not that the advisory fires on a live Kimi turn. Every
-  // real kimi-cli payload carries a non-empty `session_id` (hooks/events.py
-  // `_base()` sets it unconditionally; kimisoul.py calls `set_session_id()` at
-  // the top of every turn), and the guard treats any non-empty `session_id` as
-  // "this is Claude Code, skip". Do NOT read a green here as evidence of
-  // production behaviour — the '#2547' describe below pins what actually
-  // happens against the production shape.
-  let tmpDir;
-
-  beforeEach(() => { tmpDir = createTempDir('msd-read-guard-2304-'); });
-  afterEach(() => { cleanup(tmpDir); });
-
-  test('WriteFile on an existing file injects read-first guidance like Write', () => {
-    const filePath = path.join(tmpDir, 'existing.js');
-    fs.writeFileSync(filePath, 'console.log("hello");\n');
-
-    const result = runHook({
-      tool_name: 'WriteFile',
-      tool_input: { path: filePath, content: 'console.log("world");\n' },
-    });
-
-    assert.equal(result.exitCode, 0);
-    assert.ok(result.stdout.length > 0, 'Kimi WriteFile should produce the advisory');
-    const output = JSON.parse(result.stdout);
-    assert.equal(output.hookSpecificOutput?.code, 'READ_BEFORE_EDIT');
-  });
-
-  test('StrReplaceFile on an existing file injects guidance like Edit', () => {
-    const filePath = path.join(tmpDir, 'existing.js');
-    fs.writeFileSync(filePath, 'const x = 1;\n');
-
-    const result = runHook({
-      tool_name: 'StrReplaceFile',
-      tool_input: { path: filePath, edit: { old: 'const x = 1;', new: 'const x = 2;' } },
-    });
-
-    assert.equal(result.exitCode, 0);
-    assert.ok(result.stdout.length > 0, 'Kimi StrReplaceFile should produce the advisory');
-    const output = JSON.parse(result.stdout);
-    assert.equal(output.hookSpecificOutput?.code, 'READ_BEFORE_EDIT');
-  });
-
-  test('module-qualified kimi_cli.tools.file:WriteFile is recognized', () => {
-    const filePath = path.join(tmpDir, 'existing.js');
-    fs.writeFileSync(filePath, 'content\n');
-
-    const result = runHook({
-      tool_name: 'kimi_cli.tools.file:WriteFile',
-      tool_input: { path: filePath, content: 'replacement\n' },
-    });
-
-    assert.equal(result.exitCode, 0);
-    assert.ok(result.stdout.length > 0, 'module-qualified Kimi WriteFile should produce the advisory');
-  });
-
-  test('Kimi ReadFile stays out of scope (silent exit)', () => {
-    const filePath = path.join(tmpDir, 'existing.js');
-    fs.writeFileSync(filePath, 'content\n');
-
-    const result = runHook({
-      tool_name: 'kimi_cli.tools.file:ReadFile',
-      tool_input: { path: filePath },
-    });
-
-    assert.equal(result.exitCode, 0);
-    assert.equal(result.stdout, '', 'ReadFile is not a write tool — guard must stay silent');
-  });
-});
-
-// ────────────────────────────────────────────────────────────────────────
-// #2547 finding 3 — the production Kimi payload shape (session_id present)
-// ────────────────────────────────────────────────────────────────────────
-
-describe('#2547: read guard against the production Kimi payload shape', () => {
-  // The #2304 cases above omit `session_id`. A live Kimi turn never does:
-  //   - src/kimi_cli/hooks/events.py `_base()` returns
-  //     {"hook_event_name", "session_id", "cwd"} — the field is unconditional;
-  //   - src/kimi_cli/soul/kimisoul.py calls `set_session_id(session.id)` at the
-  //     top of every turn, before tool dispatch, so the ContextVar holds a real
-  //     UUID (its `default=""` only applies outside a turn).
-  //
-  // The guard's Claude Code check treats ANY non-empty `data.session_id` as
-  // "Claude Code already enforces read-before-edit, skip" (#2520), so on Kimi
-  // the advisory is DORMANT. These tests pin that real behaviour, which is what
-  // makes the #2304 cases above trustworthy as vocabulary-only coverage.
-  //
-  // This is a CHARACTERIZATION of a known gap, not an endorsement of it.
-  // Redesigning the runtime discrimination is explicitly OUT OF SCOPE for
-  // #2547. If a later change makes the advisory fire on Kimi, these tests are
-  // SUPPOSED to fail — update them then, rather than deleting the coverage.
-  let tmpDir;
-
-  beforeEach(() => { tmpDir = createTempDir('msd-read-guard-2547-'); });
-  afterEach(() => { cleanup(tmpDir); });
-
-  const LIVE_SESSION_ID = 'e7123e54-0977-45dd-848a-b9c8a45a5cd3';
-
-  for (const [label, toolInput, toolName] of [
-    ['StrReplaceFile', (p) => ({ path: p, edit: { old: 'const x = 1;', new: 'const x = 2;' } }), 'StrReplaceFile'],
-    ['WriteFile', (p) => ({ path: p, content: 'replacement\n' }), 'WriteFile'],
-    ['module-qualified WriteFile', (p) => ({ path: p, content: 'replacement\n' }), 'kimi_cli.tools.file:WriteFile'],
-  ]) {
-    test(`${label} with a populated session_id is dormant (known gap, #2547)`, () => {
-      const filePath = path.join(tmpDir, 'existing.js');
-      fs.writeFileSync(filePath, 'const x = 1;\n');
-
-      const result = runHook({
-        session_id: LIVE_SESSION_ID,
-        tool_name: toolName,
-        tool_input: toolInput(filePath),
-      });
-
-      assert.equal(result.exitCode, 0);
-      assert.equal(result.stdout, '',
-        'The advisory is currently skipped on Kimi because the guard reads any ' +
-        'non-empty session_id as Claude Code. If this now emits, the runtime ' +
-        'discrimination changed — update this test and the #2304 block above.');
-    });
-  }
-
-  test('the ONLY difference is session_id — dropping it makes the same payload fire', () => {
-    // The false-green proof, asserted rather than described: one field flips the
-    // #2304 cases from firing to silent, and the live shape is the silent one.
-    const filePath = path.join(tmpDir, 'existing.js');
-    fs.writeFileSync(filePath, 'const x = 1;\n');
-    const toolInput = { path: filePath, edit: { old: 'const x = 1;', new: 'const x = 2;' } };
-
-    const withoutSession = runHook({ tool_name: 'StrReplaceFile', tool_input: toolInput });
-    const withSession = runHook({
-      session_id: LIVE_SESSION_ID,
-      tool_name: 'StrReplaceFile',
-      tool_input: toolInput,
-    });
-
-    assert.ok(withoutSession.stdout.length > 0,
-      'test-shape payload (no session_id) fires — this is what #2304 asserts');
-    assert.equal(withSession.stdout, '',
-      'production-shape payload (session_id present) is silent — so a green in ' +
-      'the #2304 block is evidence about vocabulary, not about production');
-  });
-});