Tracking: SchemaStore PR #5706 merge → batch unblock 11 keys + 5 env vars

[tigers1997]

Upstream gate for the configurator's next CC-compat batch.

Active gate

SchemaStore/schemastore PR #5706 — "feat(claude-code-settings): sync to Claude Code v2.1.143". Opened 2026-05-19 by miteshashar; mergeable_state: clean as of 2026-05-21; awaiting Anthropic CODEOWNER review (sarahdeaton / domdomegg / bogini / ant-kurt). Supersedes the closed PR #5665.

Unblocks on merge (eleven configurator-territory keys)

settings.json keys:

• skillOverrides (CC 2.1.129) — off / user-invocable-only / name-only. Candidate for token-efficiency-pro tier.
• worktree.baseRef (CC 2.1.133) — fresh / head. Candidate for multi-agent module.
• worktree.bgIsolation (CC 2.1.143) — worktree / none. Candidate for multi-agent module.
• autoMode.hard_deny (CC 2.1.136). Candidate for safety module.
• sandbox.failIfUnavailable. Candidate for safety module.
• subagentStatusLine top-level — {type, command}. Candidate for ui module.
• statusLine.hideVimModeIndicator. Candidate for ui module.

hookCommand keys:

• Hook args: string[] exec form (CC 2.1.139).
• Hook continueOnBlock: boolean for prompt hookCommand (CC 2.1.139).

Env vars (mostly doc-only mentions):

• ANTHROPIC_WORKSPACE_ID, CLAUDE_CODE_OPUS_4_6_FAST_MODE_OVERRIDE, CLAUDE_CODE_PLUGIN_PREFER_HTTPS, CLAUDE_CODE_POWERSHELL_RESPECT_EXECUTION_POLICY, CLAUDE_CODE_STOP_HOOK_BLOCK_CAP

Still held for a future sync PR (NOT in #5706)

• Hook output terminalSequence field (CC 2.1.141).
• Stop/SubagentStop hook input adds background_tasks + session_crons fields (CC 2.1.145).
• Skill context: fork frontmatter (CC 2.1.145) — needs verification whether this is a new frontmatter field or an internal mechanism.

Why we wait

Configurator policy: an unknown key in settings.json can make Claude Code silently drop adjacent sections, so we wait for claude-code-settings.json in schemastore to schema-validate the key before shipping it in any template. This is defensible-by-design and mirrors the unblock pattern from PRs #17 (prUrlTemplate), #18 (sandbox.network.deniedDomains), and #28.

Also: tested_up_to only bumps when a substantive PR ships with it ("no lone tracking-up bumps"). Once #5706 merges, the unblock work will land in one PR that opts users into the new keys + bumps tested_up_to 2.1.132 → 2.1.146 + refreshes the CLAUDE_CODE_COMPAT rationale comment.

Background on the schemastore lag

Anthropic doesn't publish their own settings schema. https://www.schemastore.org/claude-code-settings.json is community-maintained inside SchemaStore/schemastore but Anthropic has CODEOWNERS on the file. Anthropic ships ~3 CC releases/week; sync PRs land ~weekly, so the schema runs structurally 5–15 versions behind. Normal and expected, not neglect.

What was already done in this resurvey

• Verified PR #5706's head-branch schema contains all eleven listed keys (2026-05-21).
• Confirmed no live breakage: /simplify→/code-review rename in CC 2.1.146 doesn't collide with the configurator's /review slash command or code-reviewer agent.
• Updated maintainer memory + docs/07-backlog.md with the #5665→#5706 switch.
• Opened PR chore(compat): survey CC 2.1.133-2.1.146; track SchemaStore PR #5706 #52 with the resurvey CHANGELOG entry and CLAUDE_CODE_COMPAT rationale refresh.
• Installed local SessionStart watcher (.claude/hooks/check-schemastore-pr.sh, gitignored) that prints a one-line banner on PR state change.

Close criteria

This issue closes when PR #5706 merges and the post-merge unblock batch PR ships in this repo.