{
  "id": "agentVersion:claude:2-1-199",
  "_kind": "AgentVersion",
  "_file": "agent-stack/agent-versions/upstream-current-2026-07-03.yaml",
  "_cluster": "agent-stack",
  "attributes": {
    "agentId": "claude",
    "agentProductId": "agent:claude-code",
    "displayName": "Claude Code 2.1.199",
    "runtimeFamily": "cli-harness",
    "releaseChannel": "stable",
    "versionRange": "2.1.199",
    "currentVersion": "2.1.199",
    "releasedAt": "2026-07-02",
    "sourcePackage": "@anthropic-ai/claude-code",
    "upstreamReleaseTag": "v2.1.199",
    "releaseNotesUrl": "https://github.com/anthropics/claude-code/releases/tag/v2.1.199",
    "cliCommand": "claude",
    "summary": "Claude Code release improving stacked slash-skill loading, certificate and transient-error retry handling, partial-output preservation, subagent error propagation, background-agent stability, and hook stderr visibility.",
    "assimilationNotes": [
      "Latest npm moved from 2.1.198 to 2.1.199.",
      "Stacked slash-skill invocations now load up to five leading skills, affecting slash-skill parsing and prompt assembly.",
      "TLS/certificate errors now fail immediately with fix guidance instead of burning retries, affecting retry classification.",
      "Mid-stream overloaded/server errors now preserve partial output with an incomplete-response notice, affecting stream result handling.",
      "Subagents interrupted by rate limits or server errors return partial work or explicit errors to the parent instead of silently succeeding.",
      "Background-agent daemon, stop/respawn, SSH cold-start, progress indicator, and low-memory handling fixes affect lifecycle supervision.",
      "SessionStart, Setup, and SubagentStart hooks now show stderr when exiting with code 2, affecting hook diagnostics.",
      "Plan mode now prompts for state-changing browser tool calls while read-only browser_batch remains auto-allowed.",
      "No package-name or install-method migration was published."
    ],
    "releaseHighlights": [
      "Stacked slash-skill loading up to five leading skills.",
      "Immediate TLS/certificate failure guidance.",
      "Partial streaming output retained after mid-stream server errors.",
      "Subagent partial-work and API-error propagation.",
      "Background-agent stability fixes.",
      "Hook stderr visibility for exit code 2.",
      "Browser tool permission fix in plan mode."
    ],
    "installMethods": [
      "install:npm"
    ]
  },
  "outgoingEdges": [
    {
      "from": "agentVersion:claude:2-1-199",
      "to": "agent:claude-code",
      "kind": "version_of"
    },
    {
      "from": "agentVersion:claude:2-1-199",
      "to": "evidence:claude-code-2-1-199-2026-07-03",
      "kind": "sourced_from"
    },
    {
      "from": "agentVersion:claude:2-1-199",
      "to": "install:npm",
      "kind": "installed_via"
    }
  ],
  "incomingEdges": []
}