fix: upgrade claude-agent-sdk to fix Claude Code not found in ECS
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All agent workflows in production are failing with Claude Code not found error. The bundled CLI binary in claude-agent-sdk==0.1.19 (released Jan 8, 2026) has expired after ~3 months, causing every ClaudeAgentProvider invocation to fail.
claude-agent-sdk from 0.1.19 → 0.1.56 in uv.lockuv.lock diff)create-app for twilio) and verify agents no longer get "Claude Code not found"ls -la /app/.venv/lib/python3.11/site-packages/claude_agent_sdk/_bundled/claudeThe claude-agent-sdk package bundles the Claude Code CLI as a platform-specific binary inside the wheel. The old v0.1.19 binary expired (Claude Code enforces mandatory version updates after ~90 days). This is a lockfile-only change — the pyproject.toml constraint >=0.1.19 already allows this version.
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