* docs: centralize agent instructions in AGENTS.md; CLAUDE/GEMINI point to it
- AGENTS.md becomes the single source of truth: full CLAUDE.md content (main
data) merged with the AGENTS.md-only sections (documentation accuracy,
repository map, review focus, upstream contributions) and the GEMINI.md-only
file-placement/root-hygiene and local-access rules. Adds the base-green
check section (PRs must not be born red) and fixes the stale
_tasks/release-flow path in Hard Rule 21.
- CLAUDE.md: @AGENTS.md pointer + Claude-Code-only operational deltas
(EnterWorktree, subagent stash-ban replication, superpowers path overrides,
base-green/sweep-reds pointers).
- GEMINI.md: pointer + Gemini-only notes; the stale 10-item hard-rule mirror
is removed (source is the 22-rule list in AGENTS.md).
- ci(release-green): label the not-green tracking issue with base-red.
* docs: retarget docs-sync provider/MCP claims to AGENTS.md and fix test placeholder
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Co-authored-by: diegosouzapw <diegosouzapw@users.noreply.github.com>