chore: enforce strict security and remove confidential data

docs/vibe-coding/opencode-ide.md

@@ -1,10 +0,0 @@
-# OpenCode
-
-OpenCode reads a root-level `AGENTS.md` natively, the same convention Claude Code
-uses for `CLAUDE.md` — this kit's `AGENTS.md` is picked up as-is with no pointer file
-needed.
-
-- Confirm it's loaded via OpenCode's session/context inspector before relying on it.
-- If OpenCode is used alongside Claude Code on the same repo, keep `CLAUDE.md` as the
-  thin `@AGENTS.md` import (already set up in this kit) so both tools read one source
-  of truth.