Mikkel Georgsen
a7d0f4515f
Tasks completed: 2/2 - Created SessionIdleTimer module with asyncio-based timeout detection - Extended session metadata with idle_timeout field and PID tracking SUMMARY: .planning/phases/03-lifecycle-management/03-01-SUMMARY.md
102 lines
3 KiB
Markdown
102 lines
3 KiB
Markdown
---
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phase: 03-lifecycle-management
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plan: 01
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subsystem: infra
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tags: [asyncio, python, session-management, lifecycle]
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# Dependency graph
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requires:
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- phase: 02-telegram-integration
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provides: Session management and persistent subprocess architecture
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provides:
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- SessionIdleTimer class for per-session timeout detection
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- Session metadata with idle_timeout field for lifecycle configuration
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- ClaudeSubprocess.pid property for process tracking
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affects: [03-lifecycle-management]
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# Tech tracking
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tech-stack:
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added: []
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patterns:
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- "Asyncio-based timer with reset() cancellation pattern"
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- "Session metadata defaults for configurable behavior"
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key-files:
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created:
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- telegram/idle_timer.py
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modified:
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- telegram/session_manager.py
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- telegram/claude_subprocess.py
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key-decisions:
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- "Default 600s (10 min) idle timeout per session"
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- "Timer reset via task cancellation + new task creation"
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- "PID property returns live process ID only (None if terminated)"
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patterns-established:
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- "Timer pattern: cancel existing task, create new background sleep task"
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- "Metadata defaults: provide sensible values in create_session()"
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# Metrics
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duration: 2min
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completed: 2026-02-04
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---
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# Phase 03 Plan 01: Idle Timer Foundation Summary
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**Asyncio-based per-session idle timer with configurable timeout metadata and subprocess PID tracking**
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## Performance
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- **Duration:** 2 min
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- **Started:** 2026-02-04T23:27:29Z
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- **Completed:** 2026-02-04T23:29:00Z
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- **Tasks:** 2
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- **Files modified:** 3
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## Accomplishments
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- Created SessionIdleTimer class with asyncio timer management
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- Extended session metadata to include idle_timeout field (default 600s)
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- Added PID property to ClaudeSubprocess for process tracking
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- Foundation ready for suspend/resume lifecycle implementation
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Create SessionIdleTimer module** - `488d94e` (feat)
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2. **Task 2: Extend session metadata and subprocess PID tracking** - `74f12a1` (feat)
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## Files Created/Modified
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- `telegram/idle_timer.py` - SessionIdleTimer class with reset(), cancel(), and activity tracking properties
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- `telegram/session_manager.py` - Added idle_timeout to metadata, get_session_timeout() helper method
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- `telegram/claude_subprocess.py` - Added pid property returning live process ID
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## Decisions Made
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- Default idle timeout: 600 seconds (10 minutes) - balances responsiveness with resource conservation
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- Timer reset pattern: Cancel existing asyncio task and create new one (clean slate approach)
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- PID property returns None for terminated processes - prevents stale PID references
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## Deviations from Plan
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None - plan executed exactly as written.
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## Issues Encountered
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None
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## User Setup Required
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None - no external service configuration required.
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## Next Phase Readiness
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Ready for next plan (03-02: Suspend/Resume Implementation):
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- Idle timer module complete and tested
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- Session metadata supports timeout configuration
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- Subprocess exposes PID for lifecycle tracking
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- All imports verified, no blockers
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---
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*Phase: 03-lifecycle-management*
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*Completed: 2026-02-04*
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