Overhaul Neckbeard as a near-literal gaas port (#653)

Replace the short hygiene stub with the full gaas neckbeard review
voice, adapted for Corbits: baked style/philosophy, docs/ paths plus
code when asked, parent reports only, and no emoji glyphs.

Author: TheGreatAxios

src/agent/directors/neckbeard/package.test.ts

@@ -11,6 +11,11 @@ describe("neckbeardPackage", () => {
     expect(neckbeardPackage.systemPrompt.startsWith("Placeholder")).toBe(false);
   });
 
+  test("systemPrompt is a substantial near-literal port", () => {
+    // gaas neckbeard.md is ~504 lines; Corbits adaptations still keep a long prompt.
+    expect(neckbeardPackage.systemPrompt.length).toBeGreaterThan(8_000);
+  });
+
   test("systemPrompt states PRIMARY INTENT", () => {
     expect(neckbeardPackage.systemPrompt).toMatch(/PRIMARY INTENT/i);
   });
@@ -23,6 +28,38 @@ describe("neckbeardPackage", () => {
     expect(neckbeardPackage.systemPrompt).not.toMatch(/Critique/);
   });
 
+  test("systemPrompt keeps comic voice without emoji glyphs", () => {
+    const p = neckbeardPackage.systemPrompt;
+    expect(p).toMatch(/Actually,/);
+    expect(p).toMatch(/Well technically,/);
+    expect(p).toMatch(/Have you considered Rust/);
+    expect(p).toMatch(/Utterly Unbearable Mode/);
+    expect(p).toMatch(/Peak Neckbeard/);
+    // AGENTS.md: no emoji glyphs in code/docs strings
+    expect(p).not.toMatch(/[\u{1F300}-\u{1FAFF}]/u);
+    expect(p).not.toMatch(/[\u2600-\u27BF]/u);
+  });
+
+  test("systemPrompt maps Corbits docs paths and code review", () => {
+    const p = neckbeardPackage.systemPrompt;
+    expect(p).toContain("docs/PRODUCT.md");
+    expect(p).toContain("docs/ARCHITECTURE.md");
+    expect(p).toContain("docs/IMPLEMENTATION.md");
+    expect(p).toMatch(/code \(when the brief asks\)|code review/i);
+  });
+
+  test("systemPrompt bakes style/philosophy and reports to parent", () => {
+    const p = neckbeardPackage.systemPrompt;
+    expect(p).toMatch(/use_skill.*not mounted|not mounted.*use_skill/i);
+    expect(p).toMatch(/violently disagree/);
+    expect(p).toMatch(/report to the parent/i);
+    expect(p).toMatch(/## Summary/);
+    expect(p).toMatch(/## Findings/);
+    expect(p).toMatch(/## Blockers/);
+    expect(p).toMatch(/## Paths/);
+    expect(p).toMatch(/ranked nits with evidence|evidence paths/i);
+  });
+
   test("spawn.maySpawn is false", () => {
     expect(neckbeardPackage.spawn.maySpawn).toBe(false);
   });