chore(deps): bump agentfield floor to 0.1.82

[AbirAbbas]

Summary

• Bumps the agentfield floor from >=0.1.81 to >=0.1.82.
• Picks up the polling-task pause-aware overdue-check fix shipped in agentfield#564.
• Floor bump (not just constraint widening) so Docker layer caching invalidates and the new wheel is actually pulled.

Why

v0.1.81 only got half the pause-propagation fix: wait_for_results own loop became pause-aware, but the manager's background polling task (_poll_active_executions) kept calling the wallclock-only is_overdue check on every cycle. After timeout seconds of wallclock — regardless of how much was spent in the awaited child's waiting state — it flipped the local execution to TIMEOUT and the wait loop surfaced it as ExecutionTimeoutError("Execution timed out after N seconds").

v0.1.82 attaches the parent PauseClock to the awaited ExecutionState so both the wait loop and the polling task read paused-time from the same source. Now the parent budget actually means "active wallclock," matching the contract expires_in_hours already implied for Agent.pause().

Test plan

• CI green (build + lint + unit/functional tests as applicable)
• After merge + redeploy: parent reasoner survives a full max_execution_timeout of active time across long human-approval pauses, instead of timing out at exactly the wallclock budget.

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