Document statusline.sh adapter; record next-session todos in Current state

AGENTS.md

@@ -24,6 +24,8 @@ file added under `adapters/` is live immediately — no per-file linking:
 - `~/.claude/CLAUDE.md` → `how-i-work.md` — my universal preferences, loaded every session.
   (Distinct from this repo's *root* `CLAUDE.md`, which → `AGENTS.md`: same filename, different
   scopes — global preferences vs. this repo's orientation.)
+- `~/.claude/statusline.sh` → `adapters/claude/statusline.sh` — the Claude Code CLI terminal
+  status-line script (invoked by `~/.claude/settings.json`).
 
 Because these are *global*, decisions here are never scoped to this repo alone. The test
 for anything proposed ("should we adopt linters / hooks / CI?", "is this skill worth
@@ -97,5 +99,6 @@ should carry this so any vendor's agent surfaces pending items at session start:
   repos.
 - Specced in `ROADMAP.md`, not built: the cross-repo git-hygiene audit (item 6, HIGH), the
   `new-project` bootstrap, the cross-repo quality-gate standard, and the SessionStart hook.
-- Next: run the cross-repo git-hygiene audit (ROADMAP item 6), then the quality-gate hook or
-  the `new-project` bootstrap.
+- Next session: (1) run the cross-repo git-hygiene audit (ROADMAP item 6, HIGH); (2) build
+  the `new-project` bootstrap (item 5); (3) add `/capture`, `/triage`, `/roundup` to README's
+  "The rhythm" section.

portability.md

@@ -15,6 +15,7 @@
     claude/
       commands/            ← ~/.claude/commands symlinks here (global commands, e.g. /handoff)
       agents/              ← ~/.claude/agents symlinks here (global subagents)
+      statusline.sh        ← ~/.claude/statusline.sh symlinks here (Claude Code terminal status line)
 ```
 
 Companions: `how-i-work.md` (the always-loaded user layer, ~50 lines), `retrofit-playbook.md` (the one-time conversion manual), and `subagents-handbook.md` (designing and running delegated agents). This document is reference material — never symlink it into anything always-loaded.