Implement ourdigital-presales-seo skill

SKILL.md orchestration (8 gated stages), references (rate_card.yaml,
findings_to_service rubric, competitor sets), findings.schema.json contract,
and scripts: kg_query.py (generalized KG examination), estimate.py
(findings→rate-card 견적 md/xlsx/json), build_deck.py (9-slide branded PPTX),
render_pdf.sh (Korean PDF via headless Chrome), plus client_brief.html template.

Validated on Sono Hotels & Resorts findings: estimate OD-2026-001
(23-47M KRW) and a 9-slide deck generated cleanly.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

custom-skills/95-ourdigital-presales-seo/references/rate_card.yaml

@@ -0,0 +1,51 @@
+# OurDigital service rate card — single source for estimate.py
+# Mirrors the ourdigital-backoffice quote ranges. Values are KRW, treated as
+# pre-sales estimate RANGES (finalize after a precise diagnostic with access).
+quote_prefix: OD          # quote number format: OD-YYYY-NNN
+currency: KRW
+
+services:
+  technical_audit:
+    label_ko: "Technical Audit / 기술 SEO 진단"
+    unit: one_time          # one_time | monthly | project
+    min: 3000000
+    max: 5000000
+  technical_remediation:
+    label_ko: "기술 개선 실행 (sitemap/CWV/SSR)"
+    unit: project
+    min: 3000000
+    max: 8000000
+  onpage_entity:
+    label_ko: "On-Page / Entity Optimization (월 운영)"
+    unit: monthly
+    min: 1500000
+    max: 3000000
+  schema_build:
+    label_ko: "구조화 데이터(Schema) 구축 (1회)"
+    unit: one_time
+    min: 2000000
+    max: 4000000
+  local_seo:
+    label_ko: "Local SEO (프로퍼티 로컬 최적화)"
+    unit: monthly
+    min: 1000000
+    max: 2000000
+  gtm_setup:
+    label_ko: "GTM Setup / 태그 관리 구축"
+    unit: project
+    min: 2000000
+    max: 4000000
+  ga4_impl:
+    label_ko: "GA4 Implementation / 분석 환경 구축"
+    unit: project
+    min: 1500000
+    max: 3000000
+  dashboard:
+    label_ko: "Dashboard Development / 대시보드 개발"
+    unit: project
+    min: 3000000
+    max: 6000000
+
+defaults:
+  retainer_months: 6        # default contract length for monthly line items
+  disclaimer_ko: "본 견적은 공개 데이터 기반 사전 추정 범위이며, Search Console/Analytics 권한 확보 후 정밀 진단을 통해 확정됩니다."