fix: measure the doctor table columns and let the CLI paint them

"Antigravity CLI" is 15 characters and the hardcoded padEnd(14) pushed
that whole row one column right. Widths now come from the widest cell.

The header always said the CLI layer may colorize, but there was no way
to: renderTable now takes an optional ReportStyle whose hooks are
identity by default, so the module still decides nothing about color and
its output stays byte-stable. Padding is applied outside the paint, so a
row with no path detail ends at its status text instead of trailing
spaces inside a color run.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

test/dependency-report.test.ts

@@ -61,6 +61,48 @@ describe('renderTable', () => {
     expect(out).toContain('document preview');
     expect(out).toContain('sudo apt install tmux');
   });
+
+  it('stays color-free unless the caller passes a style', () => {
+    // eslint-disable-next-line no-control-regex
+    expect(renderTable(results, 'linux')).not.toMatch(/\x1b\[/);
+  });
+
+  it('aligns the status column past a label wider than the old padEnd(14)', () => {
+    const wide: ToolResult[] = [
+      ...results,
+      { id: 'agy', label: 'Antigravity CLI', category: 'core', required: false, usedBy: [], status: 'missing' },
+    ];
+    const lines = renderTable(wide, 'linux').split('\n');
+    const nodeLine = lines.find((l) => l.includes('Node.js'))!;
+    const agyLine = lines.find((l) => l.includes('Antigravity CLI'))!;
+    expect(nodeLine.indexOf('22.22.1')).toBe(agyLine.indexOf('not found'));
+  });
+
+  it('applies the caller-supplied paint hooks without shifting the columns', () => {
+    const plain = renderTable(results, 'linux').split('\n');
+    const styled = renderTable(results, 'linux', {
+      title: (t) => `T{${t}}`,
+      heading: (t) => `H{${t}}`,
+      glyph: (_r, g) => `G{${g}}`,
+      label: (t) => `L{${t}}`,
+      status: (_r, t) => `S{${t}}`,
+      path: (t) => `P{${t}}`,
+      meta: (t) => `M{${t}}`,
+      summary: (t) => `Z{${t}}`,
+    }).split('\n');
+    expect(styled[0]).toBe(`T{${plain[0]}}`);
+    expect(styled.find((l) => l.includes('CORE'))).toBe('H{CORE}');
+    const nodeLine = styled.find((l) => l.includes('Node.js'))!;
+    expect(nodeLine).toContain('G{✓}');
+    expect(nodeLine).toContain('L{Node.js}');
+    expect(nodeLine).toContain('S{22.22.1}');
+    expect(nodeLine).toContain('P{/n}');
+    expect(styled.some((l) => l.startsWith('M{        used by:'))).toBe(true);
+    expect(styled[styled.length - 1]).toBe(`Z{${plain[plain.length - 1]}}`);
+    // Padding lives outside the paint, so a row with no path detail ends at its
+    // status text rather than trailing invisible spaces inside a color run.
+    expect(styled.find((l) => l.includes('S{n/a}'))!.endsWith('S{n/a}')).toBe(true);
+  });
 });
 
 describe('renderJson', () => {