chore: quantlab-agent 프로젝트 초기 설정

agent_guide 템플릿 기반으로 프로젝트 구조 설정.
Gitea(quantlab-agent), Vikunja(project #15) 연동 완료.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.agent/skills/gsd-new-project/SKILL.md

@@ -0,0 +1,36 @@
+---
+name: gsd-new-project
+description: Initialize a new project with deep context gathering and PROJECT.md
+---
+
+<context>
+**Flags:**
+- `--auto` — Automatic mode. After config questions, runs research → requirements → roadmap without further interaction. Expects idea document via @ reference.
+</context>
+
+<objective>
+Initialize a new project through unified flow: questioning → research (optional) → requirements → roadmap.
+
+**Creates:**
+- `.planning/PROJECT.md` — project context
+- `.planning/config.json` — workflow preferences
+- `.planning/research/` — domain research (optional)
+- `.planning/REQUIREMENTS.md` — scoped requirements
+- `.planning/ROADMAP.md` — phase structure
+- `.planning/STATE.md` — project memory
+
+**After this command:** Run `/gsd-plan-phase 1` to start execution.
+</objective>
+
+<execution_context>
+@.agent/get-shit-done/workflows/new-project.md
+@.agent/get-shit-done/references/questioning.md
+@.agent/get-shit-done/references/ui-brand.md
+@.agent/get-shit-done/templates/project.md
+@.agent/get-shit-done/templates/requirements.md
+</execution_context>
+
+<process>
+Execute the new-project workflow from @.agent/get-shit-done/workflows/new-project.md end-to-end.
+Preserve all workflow gates (validation, approvals, commits, routing).
+</process>