chore: bump version to 0.1.1

[jrob5756]

Summary

Version bump for v0.1.1 release.

Changes since v0.1.0

Features

• Configurable max_agent_iterations and max_session_seconds for both providers (feat(providers): make agent iteration limit and session timeout configurable #44)
• Jinja2 template expressions in agent model field (feat: support Jinja2 template expressions in agent model field #33)
• max_session_seconds exposed in workflow YAML (feat(config): expose max_session_seconds in workflow YAML #31)

Bug Fixes

• Claude: wire event_callback through provider for web dashboard (fix(claude): wire event_callback through provider for web dashboard #43)
• Claude: MCP tools silently excluded from API requests (fix(claude): MCP tools silently excluded from API requests #42)
• Web: update graph nodes correctly on loop-back iterations (fix(web): update graph nodes correctly on loop-back iterations #41)
• Copilot: pin SDK <0.1.31 and revert session serialization (fix(copilot): pin SDK <0.1.32 and revert session serialization #32)
• Copilot: serialize session creation to prevent permission-denied race (fix(copilot): serialize session creation to prevent permission-denied race condition #30)
• Copilot: Windows platform guard for _fix_pipe_blocking_mode() (fix(copilot): add Windows platform guard to _fix_pipe_blocking_mode() #26)
• Copilot: harden idle detection, add session timeout, fix startup race (fix(copilot): harden idle detection, add session timeout, and fix startup race #25)
• Copilot: clear O_NONBLOCK on subprocess pipes (fix(copilot): clear O_NONBLOCK on subprocess pipes to prevent BlockingIOError #23)
• Engine: from None on re-raised exceptions (fix(engine): add from None to re-raised exception (B904) #24)
• Engine: template dict key collision and workflow.input for-each source (fix(engine): template dict key collision and workflow.input for-each source #21)

Maintenance

• Upgrade copilot SDK to 0.1.30, exclude performance tests from CI
• Dependency bumps: pyjwt, simpleeval, cryptography

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