refactor: reorganize skill numbering, remove obsolete skills, rename shared libs

- Rename: 00→80 claude-settings-optimizer, 88→79 dintel-skill-update,
  92→81 mac-optimizer, 93→82 tui-design-template
- Rename: dintel-shared → _dintel-shared (consistent with _ourdigital-shared)
- Remove: 61-gtm-manager, 62-gtm-guardian (obsolete), 99_archive
- Update all dintel-* skill refs (114 occurrences across 31 files)
- Sync README.md, CLAUDE.md, AGENTS.md with new structure

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

custom-skills/_dintel-shared/src/dintel/document.py

@@ -0,0 +1,91 @@
+"""Document generation utilities for D.intelligence branded outputs."""
+
+from __future__ import annotations
+
+import datetime
+from pathlib import Path
+
+from docx import Document
+from docx.shared import Inches, Pt, RGBColor
+from docx.enum.text import WD_ALIGN_PARAGRAPH
+
+from dintel.brand import (
+    BRAND_NAME,
+    COLOR_PRIMARY,
+    COLOR_SECONDARY,
+    COLOR_TEXT,
+    FONT_FALLBACK_EN,
+    FONT_FALLBACK_KR,
+    TAGLINE,
+)
+
+
+def create_branded_doc(
+    title: str,
+    subtitle: str = "",
+    author: str = "D.intelligence",
+) -> Document:
+    """Create a new DOCX document with D.intelligence branding."""
+    doc = Document()
+
+    # Core properties
+    doc.core_properties.author = author
+    doc.core_properties.title = title
+    doc.core_properties.created = datetime.datetime.now()
+
+    # Default style
+    style = doc.styles["Normal"]
+    font = style.font
+    font.name = FONT_FALLBACK_EN
+    font.size = Pt(10)
+    font.color.rgb = RGBColor(*COLOR_TEXT)
+
+    # Title
+    heading = doc.add_heading(title, level=0)
+    for run in heading.runs:
+        run.font.color.rgb = RGBColor(*COLOR_PRIMARY)
+
+    if subtitle:
+        p = doc.add_paragraph(subtitle)
+        p.alignment = WD_ALIGN_PARAGRAPH.CENTER
+        for run in p.runs:
+            run.font.color.rgb = RGBColor(*COLOR_SECONDARY)
+            run.font.size = Pt(12)
+
+    # Tagline footer
+    p = doc.add_paragraph(f"{BRAND_NAME} — {TAGLINE}")
+    p.alignment = WD_ALIGN_PARAGRAPH.CENTER
+    for run in p.runs:
+        run.font.size = Pt(8)
+        run.font.color.rgb = RGBColor(*COLOR_SECONDARY)
+
+    doc.add_paragraph("")  # spacer
+    return doc
+
+
+def add_section_heading(doc: Document, text: str, level: int = 1) -> None:
+    """Add a branded section heading."""
+    heading = doc.add_heading(text, level=level)
+    for run in heading.runs:
+        run.font.color.rgb = RGBColor(*COLOR_PRIMARY)
+
+
+def add_bilingual_heading(
+    doc: Document, en_text: str, kr_text: str, level: int = 2
+) -> None:
+    """Add a bilingual heading (English + Korean subtitle)."""
+    heading = doc.add_heading(en_text, level=level)
+    for run in heading.runs:
+        run.font.color.rgb = RGBColor(*COLOR_PRIMARY)
+    p = doc.add_paragraph(kr_text)
+    for run in p.runs:
+        run.font.color.rgb = RGBColor(*COLOR_SECONDARY)
+        run.font.size = Pt(10)
+
+
+def save_doc(doc: Document, output_path: str | Path) -> Path:
+    """Save document and return the path."""
+    output_path = Path(output_path)
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    doc.save(str(output_path))
+    return output_path