feat: SDK upgrade to 0.2.74 + model selection#14
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Upgrade @anthropic-ai/claude-agent-sdk from 0.2.34 to 0.2.74 (memory leak fix, HTTP MCP fix, session persistence fix, Sonnet 4.6 support). Add model selection: CLAUDE_MODEL/CLAUDE_FALLBACK_MODEL env vars for server-level config, per-request `model` param in POST /chat for override. Precedence: per-request > CLAUDE_MODEL > SDK/CLI default. Actual model used is reported in the response `model` field. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Omitting `model` lets the CLI track the latest default automatically, avoiding version lock-in. Remove `model` from Postman request templates. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
@anthropic-ai/claude-agent-sdkfrom 0.2.34 to 0.2.74 (memory leak fix, HTTP MCP transport fix, session persistence fix, Sonnet 4.6 support)CLAUDE_MODEL/CLAUDE_FALLBACK_MODELenv vars + per-requestmodelparam inPOST /chat. Precedence: per-request > env var > CLI default. Response includes actualmodelused.Test plan
npm run build— clean compilenpm test— 53 tests passnpm run format:check— cleanPOST /chatdefault model →claude-sonnet-4-6POST /chatwithmodel: haiku→claude-haiku-4-5-20251001session_id, context preserved)start→chunk→done,modelin payload)🤖 Generated with Claude Code