d1c1239e1e
- SUMMARY.md with execution results - STATE.md advanced to plan 2/2 - ROADMAP.md and REQUIREMENTS.md updated (DISC-01, DISC-02 complete) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
92 lines
3.1 KiB
Markdown
92 lines
3.1 KiB
Markdown
---
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phase: 01-session-discovery
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plan: 01
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subsystem: process-detection
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tags: [go, proc, linux, cli]
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requires: []
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provides:
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- "Go module scaffold (shell.nix, go.mod)"
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- "Shared types: Process, Session, SessionState"
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- "FindClaudeProcesses() scanning /proc for Claude PIDs"
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- "EncodePath() converting absolute paths to ~/.claude/projects/ folder names"
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affects: [01-02, 02-session-state]
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tech-stack:
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added: [go-1.25, go-stdlib-os]
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patterns: [injectable-procdir-for-testing, fake-proc-fixtures]
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key-files:
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created: [shell.nix, go.mod, types.go, proc.go, proc_test.go]
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modified: []
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key-decisions:
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- "filepath.Base matching for Claude binary detection (handles full paths)"
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- "procDir parameter injection for testability (no hardcoded /proc)"
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patterns-established:
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- "Fake /proc fixtures: createFakeProc() builds temp dirs with cmdline files and cwd symlinks"
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- "Silent error skipping: permission denied and vanished processes are skipped, not fatal"
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requirements-completed: [DISC-01, DISC-02]
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duration: 2min
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completed: 2026-03-23
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---
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# Phase 01 Plan 01: Scaffolding + Process Detection Summary
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**Go module with FindClaudeProcesses() scanning /proc for active Claude Code PIDs and EncodePath() for session folder mapping**
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## Performance
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- **Duration:** 2 min
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- **Started:** 2026-03-23T12:23:44Z
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- **Completed:** 2026-03-23T12:25:44Z
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- **Tasks:** 2
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- **Files created:** 5
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## Accomplishments
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- Go project scaffolded with NixOS shell.nix, go.mod, and shared types (Process, Session, SessionState)
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- FindClaudeProcesses() scans configurable /proc directory, filters by "claude" binary name, reads cwd via Readlink
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- EncodePath() converts paths to ~/.claude/projects/ folder format (replace / and . with -)
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- 5 tests covering normal detection, permission denied, empty proc, and path encoding edge cases
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Scaffolding projet + types partages** - `12e1ba7` (feat)
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2. **Task 2 RED: Failing tests for proc scanning** - `81ee7dc` (test)
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3. **Task 2 GREEN: Implement FindClaudeProcesses and EncodePath** - `166e441` (feat)
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## Files Created/Modified
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- `shell.nix` - NixOS dev environment with go and gopls
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- `go.mod` - Go module github.com/pieMusic/vmux
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- `types.go` - Shared types: Process, Session, SessionState (Working/NeedsInput/Idle/Unknown)
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- `proc.go` - FindClaudeProcesses() and EncodePath()
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- `proc_test.go` - 5 unit tests with fake /proc fixtures
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## Decisions Made
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- Used `filepath.Base(parts[0])` for binary detection to handle full paths like `/nix/store/.../claude`
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- Injected procDir as parameter for full testability without mocking os functions
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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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- shell.nix was in Pierre's global gitignore; force-added with `git add -f` since it is project-specific
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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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- Types and process detection ready for plan 01-02 (JSONL session matching, state heuristics, display)
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- EncodePath enables PID-to-session folder mapping
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---
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*Phase: 01-session-discovery*
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*Completed: 2026-03-23*
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