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docs(config-audit): refresh knowledge/ from Topic 2 Claude Code changelog research

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Add 2026-04 deltas (v2.1.83-v2.1.111) verified against
research/03-claude-code-changes-config-surfaces.md (2026-04-19):
- Opus 4.7 + token-efficiency surfaces (env vars, attribution.commit/pr)
- Sandbox isolation (sandbox.* keys)
- Managed-only enterprise lockdown flags
- disableSkillShellExecution (v2.1.91)
- forceRemoteSettingsRefresh (v2.1.92)

No new hook events in this range — noted in hook-events-reference.md.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Kjell Tore Guttormsen 2026-04-19 22:52:11 +02:00
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6
plugins/config-audit/knowledge/feature-evolution.md
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# Claude Code Feature Evolution
> Timeline of major features, most recent first. Covers features with configuration impact.
> Source: Official Claude Code documentation, verified 2026-04-03.
> Source: Official Claude Code documentation, verified 2026-04-03; 2026-04 entries verified via research/03-claude-code-changes-config-surfaces.md (2026-04-19).
---
@ -9,6 +9,10 @@
| Approx. Date | Feature | Config Impact |
|-------------|---------|---------------|
| 2026-04 (v2.1.111) | **Opus 4.7 + token-efficiency surfaces** | New env vars `ENABLE_PROMPT_CACHING_1H`, `FORCE_PROMPT_CACHING_5M`, `CLAUDE_CODE_DISABLE_1M_CONTEXT`. New settings keys around `tui` / `autoScrollEnabled`. Granular commit attribution via `attribution.commit` / `attribution.pr` (replaces `includeCoAuthoredBy`). |
| 2026-04 (v2.1.83+) | **Sandbox + managed-only enterprise lockdown** | Added settings keys: `sandbox.enabled`, `sandbox.failIfUnavailable`, `sandbox.allowUnsandboxedCommands`, `sandbox.filesystem.allowRead/denyRead`, `sandbox.network.deniedDomains/allowedDomains`, `sandbox.enableWeakerNetworkIsolation`. Managed-only flags: `allowManagedHooksOnly`, `allowManagedMcpServersOnly`, `allowManagedPermissionRulesOnly`. |
| 2026-03 (v2.1.91) | **`disableSkillShellExecution`** | Blocks inline `!command` shell expansion in skills. Mitigates skill-side prompt-injection vector. |
| 2026-03 (v2.1.92) | **`forceRemoteSettingsRefresh`** | Fail-closed on managed-settings fetch failure (previously fail-open). |
| Q1 2026 | **Agent Teams (experimental)** | Enable via `CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1` or env in settings.json. Configure display mode via `~/.claude.json` `teammateMode`. Hooks: `TeammateIdle`, `TaskCreated`, `TaskCompleted`. |
| Q1 2026 | **Elicitation events** | `Elicitation` and `ElicitationResult` hook events added. MCP servers can request user input; hooks control and log these requests. |
| Q1 2026 | **`SubagentStart` / `SubagentStop` hooks** | Added hook events for subagent lifecycle. `SubagentStop` is blocking — exit code 2 acts as a quality gate. |