v0.1.0 — First tagged release

First tagged release. Self-hosted platform for running multiple AI coding agents (Claude Code + Codex CLI, extensible) in parallel against the same repo, with side-by-side diff comparison and one-click PR. Each task runs in an isolated Docker container. Two storage modes (Supabase / local JSON). Adds bilingual keyword block, llms.txt, 6-question FAQ. Behavior matches main.