feat: deploy Codeg multi-agent workspace, Gitea hot/cold storage hub, and grill-me skill

.agents/skills/grill-me/SKILL.md

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+---
+name: grill-me
+description: >-
+  Relentlessly interview the user to stress-test a plan, requirement, or architectural
+  choice before writing code or selecting a solution. Activate this skill when the user
+  asks to "grill me", clarify requirements, align on a design, or choose between technical
+  approaches.
+---
+
+# Grill Me — Decision-Tree Architecture & Requirement Interview
+
+Instead of guessing requirements or dumping a massive, superficial plan, walk the decision tree of the user's idea **depth-first** through structured, high-leverage questions until every critical branch is resolved.
+
+## Core Protocol
+
+1. **Codebase-First Rule**:
+   - Never ask the user a question that the existing codebase or system state (`GEMINI.md`, repository files, running services) can already answer. Check the codebase first.
+2. **Model the Decision Tree**:
+   - Break the problem into **Top-Level Branches** (core user workflow, primary goal, deployment boundary), **Sub-Branches** (trade-offs, UX expectations, integration points), and **Leaf Nodes** (implementation details).
+3. **Depth-First & Frontier Questioning**:
+   - Ask **1 to 3 sharp, high-leverage questions per round** using the `ask_question` tool (when available) or structured multiple-choice options.
+   - Do not ask about downstream implementation details before upstream workflow decisions are settled.
+4. **Always Provide a `(Recommended)` Option**:
+   - Every question MUST put a well-reasoned recommended answer first, prefixed with `(Recommended)`, explaining *why* it fits the user's architecture best.
+5. **Converge to a Concrete Decision Record**:
+   - Once the critical branches of the decision tree are resolved, synthesize the locked-in decisions into a concise execution plan and ask for final confirmation to build/deploy.